From d0048dcfb2119cc54b10b762904a824c9210f2af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Thu, 2 Nov 2017 15:42:11 +0100
Subject: [PATCH] uhhh

---
 .cproject                                     |  15 +-
 .idea/misc.xml                                |   4 -
 .idea/modules.xml                             |   8 -
 .idea/proj.iml                                |   2 -
 .idea/workspace.xml                           | 239 -------
 .project                                      |   7 +-
 CMakeLists.txt                                |  93 ++-
 Inc/Commissioning.h                           | 147 ++++
 Inc/debug.h                                   | 125 ++++
 Inc/hw.h                                      |  88 +++
 Inc/hw_conf.h                                 | 148 ++++
 Inc/hw_gpio.h                                 | 154 +++++
 Inc/hw_msp.h                                  | 221 ++++++
 Inc/hw_rtc.h                                  | 179 +++++
 Inc/hw_spi.h                                  | 126 ++++
 Inc/stm32l0xx_hal_conf.h                      | 171 ++---
 Inc/stm32l0xx_hw_conf.h                       | 176 +++++
 Inc/stm32l0xx_it.h                            |  95 ++-
 Inc/vcom.h                                    | 142 ++++
 Src/debug.c                                   | 119 ++++
 Src/hw_gpio.c                                 | 191 ++++++
 Src/hw_rtc.c                                  | 632 ++++++++++++++++++
 Src/hw_spi.c                                  | 223 ++++++
 Src/main.c                                    | 383 ++++++-----
 Src/stm32l0xx_hal_msp.c                       | 247 +++++--
 Src/stm32l0xx_hw.c                            | 335 ++++++++++
 Src/stm32l0xx_it.c                            | 276 ++++++--
 Src/system.tmp                                |  13 -
 Src/vcom.c                                    | 262 ++++++++
 {Src => junk}/gpio.c                          |   0
 {Inc => junk}/gpio.h                          |   0
 {Src => junk}/i2c.c                           |   0
 {Inc => junk}/i2c.h                           |   0
 junk/main.c                                   | 231 +++++++
 {Src => junk}/rtc.c                           |   0
 {Inc => junk}/rtc.h                           |   0
 {Src => junk}/spi.c                           |   0
 {Inc => junk}/spi.h                           |   0
 junk/stm32l0xx_hal_conf.h                     | 311 +++++++++
 .../stm32l0xx_hal_msp.c-mx                    |  53 ++
 junk/stm32l0xx_it.c-mx                        |  99 +++
 junk/stm32l0xx_it.h                           |  60 ++
 .../system_stm32l0xx.c-                       |   0
 {Src => junk}/usart.c                         |   0
 {Inc => junk}/usart.h                         |   0
 45 files changed, 4865 insertions(+), 710 deletions(-)
 delete mode 100644 .idea/misc.xml
 delete mode 100644 .idea/modules.xml
 delete mode 100644 .idea/proj.iml
 delete mode 100644 .idea/workspace.xml
 create mode 100755 Inc/Commissioning.h
 create mode 100755 Inc/debug.h
 create mode 100755 Inc/hw.h
 create mode 100755 Inc/hw_conf.h
 create mode 100755 Inc/hw_gpio.h
 create mode 100755 Inc/hw_msp.h
 create mode 100755 Inc/hw_rtc.h
 create mode 100755 Inc/hw_spi.h
 mode change 100644 => 100755 Inc/stm32l0xx_hal_conf.h
 create mode 100755 Inc/stm32l0xx_hw_conf.h
 mode change 100644 => 100755 Inc/stm32l0xx_it.h
 create mode 100755 Inc/vcom.h
 create mode 100755 Src/debug.c
 create mode 100755 Src/hw_gpio.c
 create mode 100755 Src/hw_rtc.c
 create mode 100755 Src/hw_spi.c
 mode change 100644 => 100755 Src/main.c
 mode change 100644 => 100755 Src/stm32l0xx_hal_msp.c
 create mode 100755 Src/stm32l0xx_hw.c
 mode change 100644 => 100755 Src/stm32l0xx_it.c
 delete mode 100644 Src/system.tmp
 create mode 100755 Src/vcom.c
 rename {Src => junk}/gpio.c (100%)
 rename {Inc => junk}/gpio.h (100%)
 rename {Src => junk}/i2c.c (100%)
 rename {Inc => junk}/i2c.h (100%)
 create mode 100644 junk/main.c
 rename {Src => junk}/rtc.c (100%)
 rename {Inc => junk}/rtc.h (100%)
 rename {Src => junk}/spi.c (100%)
 rename {Inc => junk}/spi.h (100%)
 create mode 100644 junk/stm32l0xx_hal_conf.h
 rename Src/license.tmp => junk/stm32l0xx_hal_msp.c-mx (58%)
 create mode 100644 junk/stm32l0xx_it.c-mx
 create mode 100644 junk/stm32l0xx_it.h
 rename Src/system_stm32l0xx.c => junk/system_stm32l0xx.c- (100%)
 rename {Src => junk}/usart.c (100%)
 rename {Inc => junk}/usart.h (100%)

diff --git a/.cproject b/.cproject
index 3704ccd..76bb2bb 100644
--- a/.cproject
+++ b/.cproject
@@ -126,7 +126,7 @@
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
 									<listOptionValue builtIn="false" value="STM32L073xx"/>
 								</option>
-								<option id="fr.ac6.managedbuild.gnu.c.compiler.option.misc.other.193137038" superClass="fr.ac6.managedbuild.gnu.c.compiler.option.misc.other" value="-fmessage-length=0" valueType="string"/>
+								<option id="fr.ac6.managedbuild.gnu.c.compiler.option.misc.other.193137038" superClass="fr.ac6.managedbuild.gnu.c.compiler.option.misc.other" useByScannerDiscovery="false" value="-fmessage-length=0" valueType="string"/>
 								<inputType id="fr.ac6.managedbuild.tool.gnu.cross.c.compiler.input.c.336960885" superClass="fr.ac6.managedbuild.tool.gnu.cross.c.compiler.input.c"/>
 								<inputType id="fr.ac6.managedbuild.tool.gnu.cross.c.compiler.input.s.2002120408" superClass="fr.ac6.managedbuild.tool.gnu.cross.c.compiler.input.s"/>
 							</tool>
@@ -138,7 +138,7 @@
 								<option id="fr.ac6.managedbuild.tool.gnu.cross.c.linker.script.2055575334" name="Linker Script (-T)" superClass="fr.ac6.managedbuild.tool.gnu.cross.c.linker.script" value="../STM32L073RZTx_FLASH.ld" valueType="string"/>
 								<option id="gnu.c.link.option.libs.1079540784" name="Libraries (-l)" superClass="gnu.c.link.option.libs"/>
 								<option id="gnu.c.link.option.paths.1304856102" name="Library search path (-L)" superClass="gnu.c.link.option.paths"/>
-								<option id="gnu.c.link.option.ldflags.1833804956" superClass="gnu.c.link.option.ldflags" value="-specs=nosys.specs -specs=nano.specs" valueType="string"/>
+								<option id="gnu.c.link.option.ldflags.1833804956" name="Linker flags" superClass="gnu.c.link.option.ldflags" value="-specs=nosys.specs -specs=nano.specs" valueType="string"/>
 								<inputType id="cdt.managedbuild.tool.gnu.c.linker.input.889784058" superClass="cdt.managedbuild.tool.gnu.c.linker.input">
 									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
 									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
@@ -147,18 +147,17 @@
 							<tool id="fr.ac6.managedbuild.tool.gnu.cross.cpp.linker.996257263" name="MCU G++ Linker" superClass="fr.ac6.managedbuild.tool.gnu.cross.cpp.linker"/>
 							<tool id="fr.ac6.managedbuild.tool.gnu.archiver.883778798" name="MCU GCC Archiver" superClass="fr.ac6.managedbuild.tool.gnu.archiver"/>
 							<tool id="fr.ac6.managedbuild.tool.gnu.cross.assembler.471130259" name="MCU GCC Assembler" superClass="fr.ac6.managedbuild.tool.gnu.cross.assembler">
-								<option id="gnu.both.asm.option.include.paths.928890491" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths" valueType="includePath">
-								</option>
+								<option id="gnu.both.asm.option.include.paths.928890491" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths"/>
 								<inputType id="cdt.managedbuild.tool.gnu.assembler.input.378505949" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
 								<inputType id="fr.ac6.managedbuild.tool.gnu.cross.assembler.input.575776541" superClass="fr.ac6.managedbuild.tool.gnu.cross.assembler.input"/>
 							</tool>
 						</toolChain>
 					</folderInfo>
 					<sourceEntries>
-						<entry excluding="" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="startup"/>
-						<entry excluding="" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
-						<entry excluding="" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Src"/>
-						<entry excluding="" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Inc"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="startup"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Drivers"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Src"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Inc"/>
 					</sourceEntries>
 				</configuration>
 			</storageModule>
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 79b3c94..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 85dd4e5..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/proj.iml" filepath="$PROJECT_DIR$/.idea/proj.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/proj.iml b/.idea/proj.iml
deleted file mode 100644
index f08604b..0000000
--- a/.idea/proj.iml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module classpath="CMake" type="CPP_MODULE" version="4" />
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
deleted file mode 100644
index 447824c..0000000
--- a/.idea/workspace.xml
+++ /dev/null
@@ -1,239 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CMakeRunConfigurationManager" shouldGenerate="true" shouldDeleteObsolete="true" buildAllGenerated="true">
-    <generated>
-      <config projectName="proj" targetName="proj" />
-    </generated>
-  </component>
-  <component name="CMakeSettings">
-    <configurations>
-      <configuration CONFIG_NAME="Debug" />
-    </configurations>
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="38654d8d-41ef-479b-814f-5f05e90ab5b0" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-    </list>
-    <ignored path="$PROJECT_DIR$/cmake-build-debug/" />
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="FileEditorManager">
-    <leaf>
-      <file leaf-file-name="CMakeLists.txt" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/CMakeLists.txt">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-1173">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="main.c" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/Src/main.c">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-1003">
-              <caret line="37" column="0" lean-forward="false" selection-start-line="37" selection-start-column="0" selection-end-line="37" selection-end-column="0" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/Drivers/STM32L0xx_HAL_Driver/Inc/stm32l0xx_hal_def.h" />
-        <option value="$PROJECT_DIR$/Src/main.c" />
-        <option value="$PROJECT_DIR$/Drivers/STM32L0xx_HAL_Driver/Inc/stm32l0xx_hal.h" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectFrameBounds" extendedState="6">
-    <option name="x" value="329" />
-    <option name="y" value="246" />
-    <option name="width" value="1280" />
-    <option name="height" value="798" />
-  </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
-  <component name="ProjectView">
-    <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="proj" type="dad4c3:CidrFilesViewHelper$MyProjectTreeStructure$1" />
-              <item name="proj" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="proj" type="dad4c3:CidrFilesViewHelper$MyProjectTreeStructure$1" />
-              <item name="proj" type="462c0819:PsiDirectoryNode" />
-              <item name="Drivers" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="proj" type="dad4c3:CidrFilesViewHelper$MyProjectTreeStructure$1" />
-              <item name="proj" type="462c0819:PsiDirectoryNode" />
-              <item name="Src" type="462c0819:PsiDirectoryNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-    </panes>
-  </component>
-  <component name="PropertiesComponent">
-    <property name="WebServerToolWindowFactoryState" value="false" />
-  </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
-  <component name="RunManager" selected="Application.proj">
-    <configuration name="Build All" type="CMakeRunConfiguration" factoryName="Application" PASS_PARENT_ENVS_2="true" CONFIG_NAME="Debug" EXPLICIT_BUILD_TARGET_NAME="all">
-      <envs />
-    </configuration>
-    <configuration name="proj" type="CMakeRunConfiguration" factoryName="Application" PASS_PARENT_ENVS_2="true" PROJECT_NAME="proj" TARGET_NAME="proj" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="proj" RUN_TARGET_NAME="proj">
-      <envs />
-    </configuration>
-    <list size="2">
-      <item index="0" class="java.lang.String" itemvalue="Application.Build All" />
-      <item index="1" class="java.lang.String" itemvalue="Application.proj" />
-    </list>
-  </component>
-  <component name="ShelveChangesManager" show_recycled="false">
-    <option name="remove_strategy" value="false" />
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="38654d8d-41ef-479b-814f-5f05e90ab5b0" name="Default" comment="" />
-      <created>1509630149534</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1509630149534</updated>
-      <workItem from="1509630151155" duration="770000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="770000" />
-  </component>
-  <component name="ToolWindowManager">
-    <frame x="329" y="246" width="1366" height="738" extended-state="6" />
-    <editor active="true" />
-    <layout>
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
-      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="CMake" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
-      <window_info id="Data View" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
-      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
-      <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
-      <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
-      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
-      <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-    </layout>
-  </component>
-  <component name="VcsContentAnnotationSettings">
-    <option name="myLimit" value="2678400000" />
-  </component>
-  <component name="XDebuggerManager">
-    <breakpoint-manager />
-    <watches-manager />
-  </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/Drivers/STM32L0xx_HAL_Driver/Inc/stm32l0xx_hal_def.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="425">
-          <caret line="49" column="20" lean-forward="true" selection-start-line="49" selection-start-column="20" selection-end-line="49" selection-end-column="20" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Drivers/STM32L0xx_HAL_Driver/Inc/stm32l0xx_hal_pwr.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="442">
-          <caret line="44" column="15" lean-forward="true" selection-start-line="44" selection-start-column="15" selection-end-line="44" selection-end-column="15" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Inc/stm32l0xx_hal_conf.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-2448">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l073xx.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-1836">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Drivers/STM32L0xx_HAL_Driver/Inc/stm32l0xx_hal.h">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="401">
-          <caret line="46" column="8" lean-forward="false" selection-start-line="46" selection-start-column="8" selection-end-line="46" selection-end-column="8" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/CMakeLists.txt">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-1173">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Src/main.c">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-1003">
-          <caret line="37" column="0" lean-forward="false" selection-start-line="37" selection-start-column="0" selection-end-line="37" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.project b/.project
index 1eacc45..058950a 100644
--- a/.project
+++ b/.project
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>proj</name>
-	<comment />
+	<name>Bees3</name>
+	<comment></comment>
 	<projects>
 	</projects>
 	<buildSpec>
@@ -24,7 +24,4 @@
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
 		<nature>fr.ac6.mcu.ide.core.MCUProjectNature</nature>
 	</natures>
-	<linkedResources>
-		
-	</linkedResources>
 </projectDescription>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 945ddcb..3fdc0c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,8 @@ project(proj)
 
 set(CMAKE_CXX_STANDARD 11)
 
+add_definitions(-DSTM32L073xx)
+
 set(SOURCE_FILES
         Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l073xx.h
         Drivers/CMSIS/Device/ST/STM32L0xx/Include/stm32l0xx.h
@@ -66,28 +68,93 @@ set(SOURCE_FILES
         Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_tim_ex.c
         Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_uart.c
         Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_uart_ex.c
-        Inc/gpio.h
-        Inc/i2c.h
         Inc/main.h
-        Inc/rtc.h
-        Inc/spi.h
         Inc/stm32l0xx_hal_conf.h
         Inc/stm32l0xx_it.h
-        Inc/usart.h
-        Src/gpio.c
-        Src/i2c.c
+        Inc/Commissioning.h
+        Inc/debug.h
+        Inc/hw.h
+        Inc/hw_conf.h
+        Inc/hw_gpio.h
+        Inc/hw_msp.h
+        Inc/hw_rtc.h
+        Inc/hw_spi.h
+        Inc/stm32l0xx_hw_conf.h
+        Inc/vcom.h
         Src/main.c
-        Src/rtc.c
-        Src/spi.c
+        Src/debug.c
+        Src/hw_gpio.c
+        Src/hw_rtc.c
+        Src/hw_spi.c
+        Src/stm32l0xx_hw.c
+        Src/vcom.c
         Src/stm32l0xx_hal_msp.c
         Src/stm32l0xx_it.c
-        Src/system_stm32l0xx.c
-        Src/usart.c)
+        Drivers/BSP/Components/sx1272/sx1272.c
+        Drivers/BSP/Components/sx1272/sx1272.h
+        Drivers/BSP/Components/sx1272/sx1272Regs-Fsk.h
+        Drivers/BSP/Components/sx1272/sx1272Regs-LoRa.h
+        Drivers/BSP/sx1272mb2das/sx1272mb2das.c
+        Drivers/BSP/sx1272mb2das/sx1272mb2das.h
+        Middlewares/Third_Party/Lora/Core/lora.c
+        Middlewares/Third_Party/Lora/Core/lora.h
+        Middlewares/Third_Party/Lora/Core/lora_mac_version.h
+        Middlewares/Third_Party/Lora/Crypto/aes.c
+        Middlewares/Third_Party/Lora/Crypto/aes.h
+        Middlewares/Third_Party/Lora/Crypto/cmac.c
+        Middlewares/Third_Party/Lora/Crypto/cmac.h
+        Middlewares/Third_Party/Lora/Mac/region/Region.c
+        Middlewares/Third_Party/Lora/Mac/region/Region.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionAS923.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionAS923.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionAU915.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionAU915.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionCN470.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionCN470.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionCN779.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionCN779.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionCommon.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionCommon.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionEU433.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionEU433.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionEU868.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionEU868.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionIN865.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionIN865.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionKR920.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionKR920.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionUS915.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionUS915.h
+        Middlewares/Third_Party/Lora/Mac/region/RegionUS915-Hybrid.c
+        Middlewares/Third_Party/Lora/Mac/region/RegionUS915-Hybrid.h
+        Middlewares/Third_Party/Lora/Mac/LoRaMac.c
+        Middlewares/Third_Party/Lora/Mac/LoRaMac.h
+        Middlewares/Third_Party/Lora/Mac/LoRaMacCrypto.c
+        Middlewares/Third_Party/Lora/Mac/LoRaMacCrypto.h
+        Middlewares/Third_Party/Lora/Mac/LoRaMacTest.h
+        Middlewares/Third_Party/Lora/Mac/timer.h
+        Middlewares/Third_Party/Lora/Utilities/timeServer.c
+        Middlewares/Third_Party/Lora/Utilities/utilities.h
+        Middlewares/Third_Party/Lora/Utilities/low_power.h
+        Middlewares/Third_Party/Lora/Utilities/delay.h
+        Middlewares/Third_Party/Lora/Phy/radio.h
+        Middlewares/Third_Party/Lora/Utilities/utilities.c
+        Middlewares/Third_Party/Lora/Utilities/timeServer.h
+        Middlewares/Third_Party/Lora/Utilities/low_power.c
+        Middlewares/Third_Party/Lora/Utilities/delay.c
+        )
 
 include_directories(Drivers/CMSIS/Device/ST/STM32L0xx/Include)
 include_directories(Drivers/CMSIS/Include)
 include_directories(Drivers/STM32L0xx_HAL_Driver/Inc)
 include_directories(Drivers/STM32L0xx_HAL_Driver/Inc/Legacy)
-include_directories(Inc)
+include_directories(Inc
+        Middlewares/Third_Party/Lora/Core
+        Middlewares/Third_Party/Lora/Crypto
+        Middlewares/Third_Party/Lora/Mac
+        Middlewares/Third_Party/Lora/Phy
+        Middlewares/Third_Party/Lora/Utilities
+        Middlewares/Third_Party/Lora/Mac/region
+        )
 
-add_executable(proj ${SOURCE_FILES})
\ No newline at end of file
+add_executable(proj ${SOURCE_FILES})
diff --git a/Inc/Commissioning.h b/Inc/Commissioning.h
new file mode 100755
index 0000000..c68a599
--- /dev/null
+++ b/Inc/Commissioning.h
@@ -0,0 +1,147 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2015 Semtech
+
+Description: End device commissioning parameters
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    commissioning.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   End device commissioning parameters
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __LORA_COMMISSIONING_H__
+#define __LORA_COMMISSIONING_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */ 
+/*!
+ * When set to 1 the application uses the Over-the-Air activation procedure
+ * When set to 0 the application uses the Personalization activation procedure
+ */
+#define OVER_THE_AIR_ACTIVATION                     1
+
+/*!
+ * Indicates if the end-device is to be connected to a private or public network
+ */
+#define LORAWAN_PUBLIC_NETWORK                      true
+
+/*!
+ * When set to 1 DevEui is LORAWAN_DEVICE_EUI
+ * When set to 0 DevEui is automatically generated by calling
+ *         BoardGetUniqueId function
+ */
+#define STATIC_DEVICE_EUI                     0
+
+/*!
+ * Mote device IEEE EUI (big endian)
+ *
+ * \remark see STATIC_DEVICE_EUI comments
+ */
+#define LORAWAN_DEVICE_EUI                          { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }
+
+
+/*!
+ * Application IEEE EUI (big endian)
+ */
+#define LORAWAN_APPLICATION_EUI                     { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }
+
+/*!
+ * AES encryption/decryption cipher application key
+ */
+#define LORAWAN_APPLICATION_KEY                     { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
+
+#if( OVER_THE_AIR_ACTIVATION == 0 )
+
+/*!
+ * Current network ID
+ */
+#define LORAWAN_NETWORK_ID                          ( uint32_t )0
+
+/*!
+ * When set to 1 DevAdd is LORAWAN_DEVICE_ADDRESS
+ * When set to 0 DevAdd is automatically generated using
+ *         a pseudo random generator seeded with a value derived from
+ *         BoardUniqueId value
+ */
+#define STATIC_DEVICE_ADDRESS                     0
+/*!
+ * Device address on the network (big endian)
+ *
+ * \remark see STATIC_DEVICE_ADDRESS comments
+ */
+#define LORAWAN_DEVICE_ADDRESS                      ( uint32_t )0x0100000a
+
+/*!
+ * AES encryption/decryption cipher network session key
+ */
+#define LORAWAN_NWKSKEY                             { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
+
+/*!
+ * AES encryption/decryption cipher application session key
+ */
+#define LORAWAN_APPSKEY                             { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
+
+#endif /* OVER_THE_AIR_ACTIVATION == 0 */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LORA_COMMISSIONING_H__ */
diff --git a/Inc/debug.h b/Inc/debug.h
new file mode 100755
index 0000000..5889438
--- /dev/null
+++ b/Inc/debug.h
@@ -0,0 +1,125 @@
+ /******************************************************************************
+  * @file    debug.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   Header for driver debug.c module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __DEBUG_H__
+#define __DEBUG_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+
+
+
+#include <string.h>
+#include <stdio.h>
+#include "hw_conf.h"
+#include "vcom.h"
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */ 
+
+void DBG_Init( void );
+
+void Error_Handler( void );
+
+#ifdef DEBUG
+
+#define DBG_GPIO_WRITE( gpio, n, x )  HAL_GPIO_WritePin( gpio, n, (GPIO_PinState)(x) )
+
+#define DBG_GPIO_SET( gpio, n )       gpio->BSRR = n
+
+#define DBG_GPIO_RST( gpio, n )       gpio->BRR = n 
+
+#define DBG_RTC_OUTPUT RTC_OUTPUT_DISABLE; /* RTC_OUTPUT_ALARMA on PC13 */
+
+#define DBG( x )  do{ x } while(0)
+
+#ifdef TRACE
+
+#define DBG_PRINTF(...)    vcom_Send(__VA_ARGS__)
+
+#define DBG_PRINTF_CRITICAL(...)   vcom_Send_Lp(__VA_ARGS__)
+
+#else /*TRACE*/
+
+#define DBG_PRINTF(...) 
+
+#define DBG_PRINTF_CRITICAL(...) 
+
+#endif /*TRACE*/
+
+
+#else /* DEBUG */
+
+#define DBG_GPIO_WRITE( gpio, n, x )
+
+#define DBG_GPIO_SET( gpio, n )
+
+#define DBG_GPIO_RST( gpio, n )
+
+#define DBG( x ) do{  } while(0)
+
+#define DBG_PRINTF(...)
+
+#define DBG_PRINTF_CRITICAL(...) 
+                      
+#define DBG_RTC_OUTPUT RTC_OUTPUT_DISABLE;
+
+#endif /* DEBUG */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DEBUG_H__*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Inc/hw.h b/Inc/hw.h
new file mode 100755
index 0000000..949923f
--- /dev/null
+++ b/Inc/hw.h
@@ -0,0 +1,88 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: contains all hardware driver
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   contains all hardware driver
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HW_H__
+#define __HW_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+/* Includes ------------------------------------------------------------------*/
+#include <math.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include "stm32l0xx.h"
+#include "stm32l0xx_hal.h"
+#include "stm32l0xx_hw_conf.h"
+#include "hw_conf.h"
+#include "hw_gpio.h"
+#include "hw_spi.h"
+#include "hw_rtc.h"
+#include "hw_msp.h"
+#include "debug.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HW_H__ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Inc/hw_conf.h b/Inc/hw_conf.h
new file mode 100755
index 0000000..2916631
--- /dev/null
+++ b/Inc/hw_conf.h
@@ -0,0 +1,148 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: contains hardaware configuration Macros and Constants
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw_conf.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   contains hardware configuration Macros and Constants
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HW_CONF_H__
+#define __HW_CONF_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+
+#ifdef USE_STM32F0XX_NUCLEO
+  #include "stm32f0xx_hal.h"
+  #include "stm32f0xx_nucleo.h"
+  #include "stm32f0xx_hal_conf.h"
+  #error "create stm32f0xx_hw_conf.h "
+#endif
+
+#ifdef USE_STM32F1XX_NUCLEO
+  #include "stm32f1xx_hal.h"
+  #include "stm32f1xx_nucleo.h"
+  #include "stm32f1xx_hal_conf.h"
+  #error "create stm32f1xx_hw_conf.h "
+#endif
+
+#ifdef USE_STM32F3XX_NUCLEO
+  #include "stm32f3xx_hal.h"
+  #include "stm32f3xx_nucleo.h"
+  #include "stm32f3xx_hal_conf.h"
+  #error "create stm32f3xx_hw_conf.h "
+#endif
+
+#ifdef USE_STM32F4XX_NUCLEO
+  #include "stm32f4xx_hal.h"
+  #include "stm32f4xx_nucleo.h"
+  #include "stm32f4xx_hal_conf.h"
+  #error "create stm32f4xx_hw_conf.h "
+#endif
+
+#ifdef USE_STM32L0XX_NUCLEO
+  #include "stm32l0xx_hal.h"
+  #include "stm32l0xx_nucleo.h"
+  #include "stm32l0xx_hal_conf.h"
+  #include "stm32l0xx_hw_conf.h"
+#endif
+
+#ifdef USE_STM32L1XX_NUCLEO
+  #include "stm32l1xx_hal.h"
+  #include "stm32l1xx_nucleo.h"
+  #include "stm32l1xx_hal_conf.h"
+  #include "stm32l1xx_hw_conf.h"
+#endif
+
+#ifdef USE_STM32L4XX_NUCLEO
+  #include "stm32l4xx_hal.h"
+  #include "stm32l4xx_nucleo.h"
+  #include "stm32l4xx_hal_conf.h"
+  #include "stm32l4xx_hw_conf.h"
+#endif
+
+#ifdef USE_B_L072Z_LRWAN1
+  #include "stm32l0xx_hal.h"
+  #include "b-l072z-lrwan1.h"
+  #include "stm32l0xx_hal_conf.h"
+  #include "mlm32l0xx_hw_conf.h"
+#endif
+
+/* --------Preprocessor compile swicth------------ */
+/* debug swicthes in debug.h */
+//#define DEBUG
+//#define TRACE
+   
+/* uncomment below line to never enter lowpower modes in main.c*/
+//#define LOW_POWER_DISABLE
+
+/* debug swicthes in bsp.c */
+//#define SENSOR_ENABLED
+   
+   
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HW_CONF_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Inc/hw_gpio.h b/Inc/hw_gpio.h
new file mode 100755
index 0000000..3b30503
--- /dev/null
+++ b/Inc/hw_gpio.h
@@ -0,0 +1,154 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Bleeper board GPIO driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw_gpio.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   Header for driver hw_rtc.c module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HW_GPIO_H__
+#define __HW_GPIO_H__
+
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+   
+/* Exported types ------------------------------------------------------------*/
+   
+typedef void( GpioIrqHandler )( void );
+   
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */ 
+
+   
+/*!
+ * GPIO IRQ handler function prototype
+ */
+
+
+IRQn_Type MSP_GetIRQn( uint16_t gpioPin);
+
+
+/*!
+ * @brief Initializes the given GPIO object
+ *
+ * @param  GPIOx: where x can be (A..E and H)
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @param [IN] initStruct  GPIO_InitTypeDef intit structure
+ * @retval none
+ */
+void HW_GPIO_Init( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_InitTypeDef* initStruct);
+
+/*!
+ * @brief Records the interrupt handler for the GPIO  object
+ *
+ * @param  GPIOx: where x can be (A..E and H) 
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @param [IN] prio       NVIC priority (0 is highest)
+ * @param [IN] irqHandler  points to the  function to execute
+ * @retval none
+ */
+void HW_GPIO_SetIrq( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint32_t prio,  GpioIrqHandler *irqHandler );
+
+/*!
+ * @brief Execute the interrupt from the object
+ *
+ * @param  GPIOx: where x can be (A..E and H) 
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @retval none
+ */
+void HW_GPIO_IrqHandler( uint16_t GPIO_Pin );
+
+/*!
+ * @brief Writes the given value to the GPIO output
+ *
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @param [IN] value New GPIO output value
+ * @retval none
+ */
+void HW_GPIO_Write( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin,  uint32_t value );
+
+/*!
+ * @brief Reads the current GPIO input value
+ *
+ * @param  GPIOx: where x can be (A..E and H) 
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @retval value   Current GPIO input value
+ */
+uint32_t HW_GPIO_Read( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HW_GPIO_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Inc/hw_msp.h b/Inc/hw_msp.h
new file mode 100755
index 0000000..b2cbc44
--- /dev/null
+++ b/Inc/hw_msp.h
@@ -0,0 +1,221 @@
+
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Header for driver hw msp module
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw_msp.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   Header for driver hw msp module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+
+#ifndef __HW_MSP_H__
+#define __HW_MSP_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+#define VDDA_VREFINT_CAL            ((uint32_t) 3000)        
+#define BAT_CR2032               ((uint32_t) 3000)        
+#define VDD_BAT                  BAT_CR2032     
+#define VDD_MIN                  1800
+
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+
+/*!
+ * \brief GPIOs Macro
+ */
+
+#define RCC_GPIO_CLK_ENABLE( __GPIO_PORT__ )              \
+do {                                                    \
+    switch( __GPIO_PORT__)                                \
+    {                                                     \
+      case GPIOA_BASE: __HAL_RCC_GPIOA_CLK_ENABLE(); break;    \
+      case GPIOB_BASE: __HAL_RCC_GPIOB_CLK_ENABLE(); break;    \
+      case GPIOC_BASE: __HAL_RCC_GPIOC_CLK_ENABLE(); break;    \
+      case GPIOD_BASE: __HAL_RCC_GPIOD_CLK_ENABLE(); break;    \
+      case GPIOH_BASE: default:  __HAL_RCC_GPIOH_CLK_ENABLE(); \
+    }                                                    \
+  } while(0)  
+
+#define RCC_GPIO_CLK_DISABLE( __GPIO_PORT__ )              \
+do {                                                    \
+    switch( __GPIO_PORT__)                                \
+    {                                                     \
+      case GPIOA_BASE: __HAL_RCC_GPIOA_CLK_DISABLE(); break;    \
+      case GPIOB_BASE: __HAL_RCC_GPIOB_CLK_DISABLE(); break;    \
+      case GPIOC_BASE: __HAL_RCC_GPIOC_CLK_DISABLE(); break;    \
+      case GPIOD_BASE: __HAL_RCC_GPIOD_CLK_DISABLE(); break;    \
+      case GPIOH_BASE: default:  __HAL_RCC_GPIOH_CLK_ENABLE(); \
+    }                                                    \
+  } while(0) 
+
+/* Exported functions ------------------------------------------------------- */ 
+
+/*!
+ * \brief Get the current temperature
+ *
+ * \retval value  temperature in degreeCelcius( q7.8 )
+ */
+uint16_t HW_GetTemperatureLevel( void );
+/*!
+ * \brief Get the current battery level
+ *
+ * \retval value  battery level ( 0: very low, 254: fully charged )
+ */
+uint8_t HW_GetBatteryLevel( void );
+/*!
+ * \brief Initializes the boards peripherals.
+ */
+void HW_Init( void );
+
+  /*!
+ * \brief De-initializes the target board peripherals to decrease power
+ *        consumption.
+ */
+  
+void HW_DeInit( void );
+/*!
+ * Returns a pseudo random seed generated using the MCU Unique ID
+ *
+ * \retval seed Generated pseudo random seed
+ */
+uint32_t HW_GetRandomSeed( void );
+
+/*!
+ * \brief Gets the board 64 bits unique ID 
+ *
+ * \param [IN] id Pointer to an array that will contain the Unique ID
+ */
+void HW_GetUniqueId( uint8_t *id );
+
+  /*!
+ * \brief Initializes the HW and enters stope mode
+ */
+void HW_EnterStopMode( void);
+
+/*!
+ * \brief Exits stop mode and Initializes the HW
+ */
+void HW_ExitStopMode( void);
+
+/**
+  * @brief Enters Low Power Sleep Mode
+  * @note ARM exists the function when waking up
+  * @param none
+  * @retval none
+  */
+void HW_EnterSleepMode( void);
+
+typedef enum
+  {
+    e_LOW_POWER_RTC = (1<<0),
+    e_LOW_POWER_GPS = (1<<1),
+    e_LOW_POWER_UART = (1<<2), /* can be used to forbid stop mode in case of uart Xfer*/
+  } e_LOW_POWER_State_Id_t;
+
+/* ADC */
+
+/*!
+ * \brief Initializes the ADC input
+ *
+ * \param [IN] scl  ADC input pin name to be used
+ */
+void HW_AdcInit(  void );
+
+/*!
+ * \brief DeInitializes the ADC 
+ *
+ * \param [IN] none
+ */
+void HW_AdcDeInit( void );
+
+/*!
+ * \brief Read the analogue voltage value
+ *
+ * \param [IN] Channel to read
+ * \retval value    Analogue pin value
+ */
+uint16_t HW_AdcReadChannel( uint32_t Channel);
+
+/*!
+ * \brief Configures the sytem Clock at start-up
+ *
+ * \param none
+ * \retval none
+ */
+void SystemClock_Config( void );
+
+/**
+  * @brief  Configure all GPIO's to Analog input to reduce the power consumption
+  * @param  None
+  * @retval None
+  */
+void HW_GpioInit(void);
+  
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HW_MSP_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Inc/hw_rtc.h b/Inc/hw_rtc.h
new file mode 100755
index 0000000..60fa37b
--- /dev/null
+++ b/Inc/hw_rtc.h
@@ -0,0 +1,179 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Bleeper board GPIO driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw_rtc.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   Header for driver hw_rtc.c module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+#ifndef __HW_RTC_H__
+#define __HW_RTC_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "utilities.h"
+   
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */ 
+
+/*!
+ * @brief Initializes the RTC timer
+ * @note The timer is based on the RTC
+ * @param none
+ * @retval none
+ */
+void HW_RTC_Init( void );
+
+/*!
+ * @brief Stop the Alarm
+ * @param none
+ * @retval none
+ */
+void HW_RTC_StopAlarm( void );
+
+/*!
+ * @brief Return the minimum timeout the RTC is able to handle
+ * @param none
+ * @retval minimum value for a timeout
+ */
+uint32_t HW_RTC_GetMinimumTimeout( void );
+
+/*!
+ * @brief Set the alarm
+ * @note The alarm is set at Reference + timeout
+ * @param timeout Duration of the Timer in ticks
+ */
+void HW_RTC_SetAlarm( uint32_t timeout );
+
+/*!
+ * @brief Get the RTC timer elapsed time since the last Reference was set
+ * @retval RTC Elapsed time in ticks
+ */
+uint32_t HW_RTC_GetTimerElapsedTime( void );
+
+/*!
+ * @brief Get the RTC timer value
+ * @retval none
+ */
+uint32_t HW_RTC_GetTimerValue( void );
+
+/*!
+ * @brief Set the RTC timer Reference
+ * @retval  Timer Reference Value in  Ticks
+ */
+uint32_t HW_RTC_SetTimerContext( void );
+  
+/*!
+ * @brief Get the RTC timer Reference
+ * @retval Timer Value in  Ticks
+ */
+uint32_t HW_RTC_GetTimerContext( void );
+/*!
+ * @brief RTC IRQ Handler on the RTC Alarm
+ * @param none
+ * @retval none
+ */
+void HW_RTC_IrqHandler ( void );
+
+/*!
+ * @brief a delay of delay ms by polling RTC
+ * @param delay in ms
+ * @param none
+ * @retval none
+ */
+void HW_RTC_DelayMs( uint32_t delay );
+
+/*!
+ * @brief calculates the wake up time between wake up and mcu start
+ * @note resolution in RTC_ALARM_TIME_BASE
+ * @param none
+ * @retval none
+ */
+void HW_RTC_setMcuWakeUpTime( void );
+
+/*!
+ * @brief returns the wake up time in us
+ * @param none
+ * @retval wake up time in ticks
+ */
+int16_t HW_RTC_getMcuWakeUpTime( void );
+
+/*!
+ * @brief converts time in ms to time in ticks
+ * @param [IN] time in milliseconds
+ * @retval returns time in timer ticks
+ */
+uint32_t HW_RTC_ms2Tick( TimerTime_t timeMicroSec );
+
+/*!
+ * @brief converts time in ticks to time in ms
+ * @param [IN] time in timer ticks
+ * @retval returns time in timer milliseconds
+ */
+TimerTime_t HW_RTC_Tick2ms( uint32_t tick );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HW_RTC_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Inc/hw_spi.h b/Inc/hw_spi.h
new file mode 100755
index 0000000..d34457d
--- /dev/null
+++ b/Inc/hw_spi.h
@@ -0,0 +1,126 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Header for driver hw spi module
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw_spi.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   Header for driver hw_spi.c module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HW_SPI_H__
+#define __HW_SPI_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+/* Exported macros -----------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */ 
+
+/*!
+ * @brief Initializes the SPI object and MCU peripheral
+ *
+ * @param [IN] none
+ */
+void HW_SPI_Init( void );
+
+/*!
+ * @brief De-initializes the SPI object and MCU peripheral
+ *
+ * @param [IN] none
+ */
+void HW_SPI_DeInit( void );
+
+/*!
+ * @brief Initializes the SPI IOs
+ *
+ * @param [IN] none
+ */
+void HW_SPI_IoInit( void );
+
+/*!
+ * @brief De-initializes the SPI IOs
+ *
+ * @param [IN] none
+ */
+void HW_SPI_IoDeInit( void );
+
+/*!
+ * @brief Sends outData and receives inData
+ *
+ * @param [IN] outData Byte to be sent
+ * @retval inData      Received byte.
+ */
+uint16_t HW_SPI_InOut( uint16_t outData );
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __HW_SPI_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
+
+
+
+
+
+
+
diff --git a/Inc/stm32l0xx_hal_conf.h b/Inc/stm32l0xx_hal_conf.h
old mode 100644
new mode 100755
index 50600da..e982c76
--- a/Inc/stm32l0xx_hal_conf.h
+++ b/Inc/stm32l0xx_hal_conf.h
@@ -1,46 +1,58 @@
 /**
   ******************************************************************************
   * @file    stm32l0xx_hal_conf.h
-  * @brief   HAL configuration file.             
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   HAL configuration file. 
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
   *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
   *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   ******************************************************************************
   */ 
 
 /* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __STM32L0xx_HAL_CONF_H
-#define __STM32L0xx_HAL_CONF_H
+#ifndef __STM32L0xx_HAL_CONF_H__
+#define __STM32L0xx_HAL_CONF_H__
 
 #ifdef __cplusplus
  extern "C" {
 #endif
 
-#include "main.h"
 /* Exported types ------------------------------------------------------------*/
 /* Exported constants --------------------------------------------------------*/
 
@@ -48,38 +60,36 @@
 /**
   * @brief This is the list of modules to be used in the HAL driver 
   */
-
 #define HAL_MODULE_ENABLED  
-/*#define HAL_ADC_MODULE_ENABLED   */
-/*#define HAL_CRYP_MODULE_ENABLED   */
-/*#define HAL_COMP_MODULE_ENABLED   */
-/*#define HAL_CRC_MODULE_ENABLED   */
-/*#define HAL_CRYP_MODULE_ENABLED   */
-/*#define HAL_DAC_MODULE_ENABLED   */
-/*#define HAL_FIREWALL_MODULE_ENABLED   */
-/*#define HAL_I2S_MODULE_ENABLED   */
-/*#define HAL_IWDG_MODULE_ENABLED   */
-/*#define HAL_LCD_MODULE_ENABLED   */
-/*#define HAL_LPTIM_MODULE_ENABLED   */
-/*#define HAL_RNG_MODULE_ENABLED   */
-#define HAL_RTC_MODULE_ENABLED
-#define HAL_SPI_MODULE_ENABLED
-/*#define HAL_TIM_MODULE_ENABLED   */
-/*#define HAL_TSC_MODULE_ENABLED   */
-#define HAL_UART_MODULE_ENABLED
-/*#define HAL_USART_MODULE_ENABLED   */
-/*#define HAL_IRDA_MODULE_ENABLED   */
-/*#define HAL_SMARTCARD_MODULE_ENABLED   */
-/*#define HAL_SMBUS_MODULE_ENABLED   */
-/*#define HAL_WWDG_MODULE_ENABLED   */
-/*#define HAL_PCD_MODULE_ENABLED   */
-#define HAL_GPIO_MODULE_ENABLED
+#define HAL_ADC_MODULE_ENABLED    
+/* #define HAL_COMP_MODULE_ENABLED  */
+/* #define HAL_CRC_MODULE_ENABLED   */
+/* #define HAL_CRYP_MODULE_ENABLED   */
+/* #define HAL_DAC_MODULE_ENABLED    */
 #define HAL_DMA_MODULE_ENABLED
-#define HAL_I2C_MODULE_ENABLED
-#define HAL_RCC_MODULE_ENABLED
 #define HAL_FLASH_MODULE_ENABLED
-#define HAL_PWR_MODULE_ENABLED
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_I2C_MODULE_ENABLED 
+/* #define HAL_I2S_MODULE_ENABLED    */
+#define HAL_IWDG_MODULE_ENABLED
+/* #define HAL_LCD_MODULE_ENABLED  */
+/* #define HAL_LPTIM_MODULE_ENABLED */
+#define HAL_PWR_MODULE_ENABLED  
+#define HAL_RCC_MODULE_ENABLED 
+/* #define HAL_RNG_MODULE_ENABLED    */
+ #define HAL_RTC_MODULE_ENABLED 
+ #define HAL_SPI_MODULE_ENABLED    
+#define HAL_TIM_MODULE_ENABLED
+/* #define HAL_TSC_MODULE_ENABLED    */
+ #define HAL_UART_MODULE_ENABLED  
+/* #define HAL_USART_MODULE_ENABLED  */
+/* #define HAL_IRDA_MODULE_ENABLED  */
+/* #define HAL_SMARTCARD_MODULE_ENABLED  */
+/* #define HAL_SMBUS_MODULE_ENABLED  */
+/* #define HAL_WWDG_MODULE_ENABLED   */
 #define HAL_CORTEX_MODULE_ENABLED
+/* #define HAL_PCD_MODULE_ENABLED  */
+
 
 /* ########################## Oscillator Values adaptation ####################*/
 /**
@@ -88,11 +98,11 @@
   *        (when HSE is used as system clock source, directly or through the PLL).  
   */
 #if !defined  (HSE_VALUE) 
-  #define HSE_VALUE    ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+  #define HSE_VALUE    ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */
 #endif /* HSE_VALUE */
 
 #if !defined  (HSE_STARTUP_TIMEOUT)
-  #define HSE_STARTUP_TIMEOUT    ((uint32_t)100U)   /*!< Time out for HSE start up, in ms */
+  #define HSE_STARTUP_TIMEOUT    ((uint32_t)5000)   /*!< Time out for HSE start up, in ms */
 #endif /* HSE_STARTUP_TIMEOUT */
 
 /**
@@ -100,23 +110,22 @@
   *        This value is the default MSI range value after Reset.
   */
 #if !defined  (MSI_VALUE)
-  #define MSI_VALUE    ((uint32_t)2097000U) /*!< Value of the Internal oscillator in Hz*/
+  #define MSI_VALUE    ((uint32_t)2000000) /*!< Value of the Internal oscillator in Hz*/
 #endif /* MSI_VALUE */
-   
 /**
   * @brief Internal High Speed oscillator (HSI) value.
   *        This value is used by the RCC HAL module to compute the system frequency
   *        (when HSI is used as system clock source, directly or through the PLL). 
   */
 #if !defined  (HSI_VALUE)
-  #define HSI_VALUE    ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+  #define HSI_VALUE    ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/
 #endif /* HSI_VALUE */
 
 /**
   * @brief Internal High Speed oscillator for USB (HSI48) value.
   */
 #if !defined  (HSI48_VALUE) 
-#define HSI48_VALUE ((uint32_t)48000000U) /*!< Value of the Internal High Speed oscillator for USB in Hz.
+#define HSI48_VALUE ((uint32_t)48000000) /*!< Value of the Internal High Speed oscillator for USB in Hz.
                                              The real value may vary depending on the variations
                                              in voltage and temperature.  */
 #endif /* HSI48_VALUE */
@@ -125,22 +134,24 @@
   * @brief Internal Low Speed oscillator (LSI) value.
   */
 #if !defined  (LSI_VALUE) 
- #define LSI_VALUE  ((uint32_t)37000U)       /*!< LSI Typical Value in Hz*/
+ #define LSI_VALUE  ((uint32_t)37000)       /*!< LSI Typical Value in Hz*/
 #endif /* LSI_VALUE */                      /*!< Value of the Internal Low Speed oscillator in Hz
                                              The real value may vary depending on the variations
-                                             in voltage and temperature.*/   
+                                             in voltage and temperature.*/
 /**
   * @brief External Low Speed oscillator (LSE) value.
   *        This value is used by the UART, RTC HAL module to compute the system frequency
   */
 #if !defined  (LSE_VALUE)
-  #define LSE_VALUE    ((uint32_t)32768U) /*!< Value of the External oscillator in Hz*/
+  #define LSE_VALUE    ((uint32_t)32768) /*!< Value of the External oscillator in Hz*/
 #endif /* LSE_VALUE */
 
+   
 #if !defined  (LSE_STARTUP_TIMEOUT)
-  #define LSE_STARTUP_TIMEOUT  ((uint32_t)5000U)   /*!< Time out for LSE start up, in ms */
-#endif /* LSE_STARTUP_TIMEOUT */
+  #define LSE_STARTUP_TIMEOUT    ((uint32_t)5000)   /*!< Time out for LSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
 
+   
 /* Tip: To avoid modifying this file each time you need to use different HSE,
    ===  you can define the HSE value in your toolchain compiler preprocessor. */
 
@@ -148,19 +159,19 @@
 /**
   * @brief This is the HAL system configuration section
   */     
-#define  VDD_VALUE                    ((uint32_t)3300U) /*!< Value of VDD in mv */           
-#define  TICK_INT_PRIORITY            ((uint32_t)0U)    /*!< tick interrupt priority */            
-#define  USE_RTOS                     0U     
-#define  PREFETCH_ENABLE              0U              
-#define  PREREAD_ENABLE               1U
-#define  BUFFER_CACHE_DISABLE         0U
+#define  VDD_VALUE                    ((uint32_t)3300) /*!< Value of VDD in mv */
+#define  TICK_INT_PRIORITY            (((uint32_t)1<<__NVIC_PRIO_BITS) - 1)    /*!< tick interrupt priority */            
+#define  USE_RTOS                     0     
+#define  PREFETCH_ENABLE              1              
+#define  PREREAD_ENABLE               0
+#define  BUFFER_CACHE_DISABLE         0
 
 /* ########################## Assert Selection ############################## */
 /**
   * @brief Uncomment the line below to expanse the "assert_param" macro in the 
   *        HAL drivers code
   */
-/* #define USE_FULL_ASSERT    1U */
+/* #define USE_FULL_ASSERT    1 */
 
 /* Includes ------------------------------------------------------------------*/
 /**
@@ -170,7 +181,7 @@
 #ifdef HAL_RCC_MODULE_ENABLED
   #include "stm32l0xx_hal_rcc.h"
 #endif /* HAL_RCC_MODULE_ENABLED */
-
+  
 #ifdef HAL_GPIO_MODULE_ENABLED
   #include "stm32l0xx_hal_gpio.h"
 #endif /* HAL_GPIO_MODULE_ENABLED */
@@ -178,7 +189,7 @@
 #ifdef HAL_DMA_MODULE_ENABLED
   #include "stm32l0xx_hal_dma.h"
 #endif /* HAL_DMA_MODULE_ENABLED */
-   
+
 #ifdef HAL_CORTEX_MODULE_ENABLED
   #include "stm32l0xx_hal_cortex.h"
 #endif /* HAL_CORTEX_MODULE_ENABLED */
@@ -190,7 +201,7 @@
 #ifdef HAL_COMP_MODULE_ENABLED
   #include "stm32l0xx_hal_comp.h"
 #endif /* HAL_COMP_MODULE_ENABLED */
-   
+
 #ifdef HAL_CRC_MODULE_ENABLED
   #include "stm32l0xx_hal_crc.h"
 #endif /* HAL_CRC_MODULE_ENABLED */
@@ -203,10 +214,6 @@
   #include "stm32l0xx_hal_dac.h"
 #endif /* HAL_DAC_MODULE_ENABLED */
 
-#ifdef HAL_FIREWALL_MODULE_ENABLED
-  #include "stm32l0xx_hal_firewall.h"
-#endif /* HAL_FIREWALL_MODULE_ENABLED */
-
 #ifdef HAL_FLASH_MODULE_ENABLED
   #include "stm32l0xx_hal_flash.h"
 #endif /* HAL_FLASH_MODULE_ENABLED */
@@ -241,7 +248,6 @@
 
 #ifdef HAL_RTC_MODULE_ENABLED
  #include "stm32l0xx_hal_rtc.h"
-
 #endif /* HAL_RTC_MODULE_ENABLED */
 
 #ifdef HAL_SPI_MODULE_ENABLED
@@ -294,18 +300,19 @@
   *         If expr is true, it returns no value.
   * @retval None
   */
-  #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+  #define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__))
 /* Exported functions ------------------------------------------------------- */
   void assert_failed(uint8_t* file, uint32_t line);
 #else
-  #define assert_param(expr) ((void)0U)
+  #define assert_param(expr) ((void)0)
 #endif /* USE_FULL_ASSERT */
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* __STM32L0xx_HAL_CONF_H */
+#endif /* __STM32L0xx_HAL_CONF_H__ */
  
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Inc/stm32l0xx_hw_conf.h b/Inc/stm32l0xx_hw_conf.h
new file mode 100755
index 0000000..e244dcd
--- /dev/null
+++ b/Inc/stm32l0xx_hw_conf.h
@@ -0,0 +1,176 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: contains hardaware configuration Macros and Constants
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    stm32l0xx_hw_conf.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   contains hardaware configuration Macros and Constants
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __HW_CONF_L0_H__
+#define __HW_CONF_L0_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "hw.h"
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+//#define RADIO_DIO_4
+//#define RADIO_DIO_5
+
+/* LORA I/O definition */
+
+
+#define RADIO_RESET_PORT                          GPIOA
+#define RADIO_RESET_PIN                           GPIO_PIN_0
+
+#define RADIO_MOSI_PORT                           GPIOA
+#define RADIO_MOSI_PIN                            GPIO_PIN_7
+
+#define RADIO_MISO_PORT                           GPIOA
+#define RADIO_MISO_PIN                            GPIO_PIN_6
+
+#define RADIO_SCLK_PORT                           GPIOA
+#define RADIO_SCLK_PIN                            GPIO_PIN_5
+
+#define RADIO_NSS_PORT                            GPIOB
+#define RADIO_NSS_PIN                             GPIO_PIN_6
+
+#define RADIO_DIO_0_PORT                          GPIOA
+#define RADIO_DIO_0_PIN                           GPIO_PIN_10
+
+#define RADIO_DIO_1_PORT                          GPIOB
+#define RADIO_DIO_1_PIN                           GPIO_PIN_3
+
+#define RADIO_DIO_2_PORT                          GPIOB
+#define RADIO_DIO_2_PIN                           GPIO_PIN_5
+
+#define RADIO_DIO_3_PORT                          GPIOB
+#define RADIO_DIO_3_PIN                           GPIO_PIN_4
+
+#ifdef RADIO_DIO_4 
+#define RADIO_DIO_4_PORT                          GPIOA
+#define RADIO_DIO_4_PIN                           GPIO_PIN_9
+#endif
+
+#ifdef RADIO_DIO_5 
+#define RADIO_DIO_5_PORT                          GPIOC
+#define RADIO_DIO_5_PIN                           GPIO_PIN_7
+#endif
+
+#define RADIO_ANT_SWITCH_PORT                     GPIOC
+#define RADIO_ANT_SWITCH_PIN                      GPIO_PIN_1
+
+#define BAT_LEVEL_PORT                            GPIOA
+#define BAT_LEVEL_PIN                             GPIO_PIN_4
+/*  SPI MACRO redefinition */
+
+#define SPI_CLK_ENABLE()                __HAL_RCC_SPI1_CLK_ENABLE()
+
+#define SPI1_AF                          GPIO_AF0_SPI1  
+
+/* ADC MACRO redefinition */
+
+#ifdef USE_STM32L0XX_NUCLEO
+#define ADC_READ_CHANNEL                 ADC_CHANNEL_4
+#define ADCCLK_ENABLE()                 __HAL_RCC_ADC1_CLK_ENABLE() ;
+#define ADCCLK_DISABLE()                __HAL_RCC_ADC1_CLK_DISABLE() ;
+#endif
+
+
+/* --------------------------- RTC HW definition -------------------------------- */
+
+#define RTC_OUTPUT       DBG_RTC_OUTPUT
+
+#define RTC_Alarm_IRQn              RTC_IRQn
+/* --------------------------- USART HW definition -------------------------------*/
+
+
+#define USARTX                           USART2
+#define USARTX_CLK_ENABLE()              __USART2_CLK_ENABLE();
+#define USARTX_RX_GPIO_CLK_ENABLE()      __GPIOA_CLK_ENABLE()
+#define USARTX_TX_GPIO_CLK_ENABLE()      __GPIOA_CLK_ENABLE() 
+
+#define USARTX_FORCE_RESET()             __USART2_FORCE_RESET()
+#define USARTX_RELEASE_RESET()           __USART2_RELEASE_RESET()
+
+
+#define USARTX_TX_PIN                  GPIO_PIN_2
+#define USARTX_TX_GPIO_PORT            GPIOA  
+#define USARTX_TX_AF                   GPIO_AF4_USART2
+#define USARTX_RX_PIN                  GPIO_PIN_3
+#define USARTX_RX_GPIO_PORT            GPIOA 
+#define USARTX_RX_AF                   GPIO_AF4_USART2
+
+/* Definition for USARTx's NVIC */
+#define USARTX_IRQn                      USART2_IRQn
+#define USARTX_IRQHandler                USART2_IRQHandler
+
+
+#define LED_Toggle( x )
+#define LED_On( x )
+#define LED_Off( x )
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __HW_CONF_L0_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Inc/stm32l0xx_it.h b/Inc/stm32l0xx_it.h
old mode 100644
new mode 100755
index c70422a..ca3b41a
--- a/Inc/stm32l0xx_it.h
+++ b/Inc/stm32l0xx_it.h
@@ -1,60 +1,93 @@
-/**
-  ******************************************************************************
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Bleeper board GPIO driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
   * @file    stm32l0xx_it.h
-  * @brief   This file contains the headers of the interrupt handlers.
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   manages interupt
   ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
   *
-  * COPYRIGHT(c) 2017 STMicroelectronics
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
   *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
   *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   ******************************************************************************
   */
 
 /* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __STM32L0xx_IT_H
-#define __STM32L0xx_IT_H
+#ifndef __STM32L0xx_IT_H__
+#define __STM32L0xx_IT_H__
 
 #ifdef __cplusplus
- extern "C" {
-#endif 
+extern "C" {
+#endif
 
 /* Includes ------------------------------------------------------------------*/
-#include "stm32l0xx_hal.h"
-#include "main.h"
 /* Exported types ------------------------------------------------------------*/
 /* Exported constants --------------------------------------------------------*/
 /* Exported macro ------------------------------------------------------------*/
 /* Exported functions ------------------------------------------------------- */
 
+void NMI_Handler(void);
+void HardFault_Handler(void);
+void MemManage_Handler(void);
+void BusFault_Handler(void);
+void UsageFault_Handler(void);
 void SVC_Handler(void);
+void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void EXTI4_15_IRQHandler(void);
+void TIM21_IRQHandler(void);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* __STM32L0xx_IT_H */
+#endif /* __STM32L0xx_IT_H__ */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Inc/vcom.h b/Inc/vcom.h
new file mode 100755
index 0000000..e7ecf5f
--- /dev/null
+++ b/Inc/vcom.h
@@ -0,0 +1,142 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: virtual com port driver
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    vcom.h
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   Header for vcom.c module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __VCOM_H__
+#define __VCOM_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+   
+/* Includes ------------------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* External variables --------------------------------------------------------*/
+
+/* Exported functions ------------------------------------------------------- */ 
+
+/** 
+* @brief  Init the VCOM.
+* @param  None
+* @return None
+*/
+void vcom_Init(void);
+
+   /** 
+* @brief  DeInit the VCOM.
+* @param  None
+* @return None
+*/
+void vcom_DeInit(void);
+
+   /** 
+* @brief  Init the VCOM IOs.
+* @param  None
+* @return None
+*/
+void vcom_IoInit(void);
+  
+   /** 
+* @brief  DeInit the VCOM IOs.
+* @param  None
+* @return None
+*/
+void vcom_IoDeInit(void);
+  
+/** 
+* @brief  Records string on circular Buffer and set SW interrupt
+* @note   Set NVIC to call vcom_Send
+* @param  string
+* @return None
+*/
+void vcom_Send( char *format, ... );
+
+/** 
+* @brief  Sends circular Buffer on com port in IT mode
+* @note   called from low Priority interrupt
+* @param  None
+* @return None
+*/
+void vcom_Print( void);
+
+/** 
+* @brief  Records string on circular Buffer
+* @note   To be called only from critical section from low power section
+*         Other wise use vcom_Send
+* @param  string
+* @return None
+*/
+void vcom_Send_Lp( char *format, ... );
+
+/* Exported macros -----------------------------------------------------------*/
+#if 1
+#define PRINTF(...)            vcom_Send(__VA_ARGS__)
+#else
+#define PRINTF(...)
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __VCOM_H__*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/debug.c b/Src/debug.c
new file mode 100755
index 0000000..e12ea95
--- /dev/null
+++ b/Src/debug.c
@@ -0,0 +1,119 @@
+
+/******************************************************************************
+  * @file    debug.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   debug API
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "hw.h"
+
+/**
+  * @brief Initializes the debug
+  * @param None
+  * @retval None
+  */
+void DBG_Init( void )
+{
+#ifdef DEBUG
+  GPIO_InitTypeDef  gpioinitstruct = {0};
+  
+  /* Enable the GPIO_B Clock */
+  __HAL_RCC_GPIOB_CLK_ENABLE();
+
+  /* Configure the GPIO pin */  
+  gpioinitstruct.Mode   = GPIO_MODE_OUTPUT_PP;
+  gpioinitstruct.Pull   = GPIO_PULLUP;
+  gpioinitstruct.Speed  = GPIO_SPEED_HIGH;
+  
+  gpioinitstruct.Pin    = (GPIO_PIN_12 | GPIO_PIN_13| GPIO_PIN_14 | GPIO_PIN_15);
+  HAL_GPIO_Init(GPIOB, &gpioinitstruct);
+
+  /* Reset debug Pins */
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_12, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_14, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_15, GPIO_PIN_RESET);
+#if 0
+  HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_SYSCLK, RCC_MCODIV_1);  
+#endif
+
+  __HAL_RCC_DBGMCU_CLK_ENABLE( );
+
+  HAL_DBGMCU_EnableDBGSleepMode( );
+  HAL_DBGMCU_EnableDBGStopMode( );
+  HAL_DBGMCU_EnableDBGStandbyMode( );
+  
+#else /* DEBUG */
+  /* sw interface off*/
+  GPIO_InitTypeDef GPIO_InitStructure ={0};
+  
+  GPIO_InitStructure.Mode   = GPIO_MODE_ANALOG;
+  GPIO_InitStructure.Pull   = GPIO_NOPULL;
+  GPIO_InitStructure.Pin    = (GPIO_PIN_13 | GPIO_PIN_14);
+  __GPIOA_CLK_ENABLE() ;  
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
+  __GPIOA_CLK_DISABLE() ;
+  
+  __HAL_RCC_DBGMCU_CLK_ENABLE( );
+  HAL_DBGMCU_DisableDBGSleepMode( );
+  HAL_DBGMCU_DisableDBGStopMode( );
+  HAL_DBGMCU_DisableDBGStandbyMode( );
+  __HAL_RCC_DBGMCU_CLK_DISABLE( );
+#endif
+}
+
+/**
+  * @brief Error_Handler
+  * @param None
+  * @retval None
+  */
+void Error_Handler(void)
+{
+  DBG_PRINTF("Error_Handler\n\r");
+  while(1);
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
+
diff --git a/Src/hw_gpio.c b/Src/hw_gpio.c
new file mode 100755
index 0000000..5f4c2e8
--- /dev/null
+++ b/Src/hw_gpio.c
@@ -0,0 +1,191 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Bleeper board GPIO driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
+  * @file    hw_gpio.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   driver for GPIO
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "hw.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+static GpioIrqHandler *GpioIrq[16] = { NULL };
+
+/* Private function prototypes -----------------------------------------------*/
+
+static uint8_t HW_GPIO_GetBitPos(uint16_t GPIO_Pin);
+
+/* Exported functions ---------------------------------------------------------*/
+/*!
+ * @brief Initializes the given GPIO object
+ *
+ * @param  GPIOx: where x can be (A..E and H)
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @param [IN] initStruct  GPIO_InitTypeDef intit structure
+ * @retval none
+ */
+void HW_GPIO_Init( GPIO_TypeDef* port, uint16_t GPIO_Pin, GPIO_InitTypeDef* initStruct)
+{
+
+  RCC_GPIO_CLK_ENABLE(  (uint32_t) port);
+
+  initStruct->Pin = GPIO_Pin ;
+
+  HAL_GPIO_Init( port, initStruct );
+}
+
+/*!
+ * @brief Records the interrupt handler for the GPIO  object
+ *
+ * @param  GPIOx: where x can be (A..E and H) 
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @param [IN] prio       NVIC priority (0 is highest)
+ * @param [IN] irqHandler  points to the  function to execute
+ * @retval none
+ */
+void HW_GPIO_SetIrq( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint32_t prio,  GpioIrqHandler *irqHandler )
+{
+  IRQn_Type IRQnb;
+  
+  uint32_t BitPos = HW_GPIO_GetBitPos( GPIO_Pin ) ;
+  
+  if ( irqHandler != NULL)
+  {
+    GpioIrq[ BitPos ] = irqHandler;
+
+    IRQnb = MSP_GetIRQn( GPIO_Pin );
+
+    HAL_NVIC_SetPriority( IRQnb , prio, 0);
+    
+    HAL_NVIC_EnableIRQ( IRQnb );
+  }
+}
+
+/*!
+ * @brief Execute the interrupt from the object
+ *
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @retval none
+ */
+void HW_GPIO_IrqHandler( uint16_t GPIO_Pin )
+{
+  uint32_t BitPos = HW_GPIO_GetBitPos( GPIO_Pin );
+  
+  if ( GpioIrq[ BitPos ]  != NULL)
+  {
+    GpioIrq[ BitPos ] ( );
+  }
+}
+
+/*!
+ * @brief Writes the given value to the GPIO output
+ *
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @param [IN] value New GPIO output value
+ * @retval none
+ */
+void HW_GPIO_Write( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin,  uint32_t value )
+{
+  HAL_GPIO_WritePin( GPIOx, GPIO_Pin , (GPIO_PinState) value );
+}
+
+/*!
+ * @brief Reads the current GPIO input value
+ *
+ * @param  GPIOx: where x can be (A..E and H) 
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @retval value   Current GPIO input value
+ */
+uint32_t HW_GPIO_Read( GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin )
+{
+  return HAL_GPIO_ReadPin( GPIOx, GPIO_Pin);
+}
+
+/* Private functions ---------------------------------------------------------*/
+
+/*!
+ * @brief Get the position of the bit set in the GPIO_Pin
+ * @param  GPIO_Pin: specifies the port bit to be written.
+ *                   This parameter can be one of GPIO_PIN_x where x can be (0..15).
+ *                   All port bits are not necessarily available on all GPIOs.
+ * @retval the position of the bit
+ */
+static uint8_t HW_GPIO_GetBitPos(uint16_t GPIO_Pin)
+{
+  uint8_t PinPos=0;
+  
+  if ( ( GPIO_Pin & 0xFF00 ) != 0) { PinPos |= 0x8; }
+  if ( ( GPIO_Pin & 0xF0F0 ) != 0) { PinPos |= 0x4; }
+  if ( ( GPIO_Pin & 0xCCCC ) != 0) { PinPos |= 0x2; }
+  if ( ( GPIO_Pin & 0xAAAA ) != 0) { PinPos |= 0x1; }
+  
+  return PinPos;
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/hw_rtc.c b/Src/hw_rtc.c
new file mode 100755
index 0000000..5056fc2
--- /dev/null
+++ b/Src/hw_rtc.c
@@ -0,0 +1,632 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: MCU RTC timer
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /*******************************************************************************
+  * @file    hw_rtc.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   driver for RTC
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "hw.h"
+#include "low_power.h"
+
+/* Private typedef -----------------------------------------------------------*/
+typedef struct
+{
+  TimerTime_t Rtc_Time; /* Reference time */
+  
+  RTC_TimeTypeDef RTC_Calndr_Time; /* Reference time in calendar format */
+
+  RTC_DateTypeDef RTC_Calndr_Date; /* Reference date in calendar format */
+  
+} RtcTimerContext_t;
+
+/* Private define ------------------------------------------------------------*/
+
+/* MCU Wake Up Time */
+#define MIN_ALARM_DELAY               3 /* in ticks */
+
+/* subsecond number of bits */
+#define N_PREDIV_S                 10
+
+/* Synchonuous prediv  */
+#define PREDIV_S                  ((1<<N_PREDIV_S)-1)
+
+/* Asynchonuous prediv   */
+#define PREDIV_A                  (1<<(15-N_PREDIV_S))-1
+
+/* Sub-second mask definition  */
+#if  (N_PREDIV_S == 10)
+#define HW_RTC_ALARMSUBSECONDMASK RTC_ALARMSUBSECONDMASK_SS14_10
+#else
+#error "Please define HW_RTC_ALARMSUBSECONDMASK"
+#endif
+
+/* RTC Time base in us */
+#define USEC_NUMBER               1000000
+#define MSEC_NUMBER               (USEC_NUMBER/1000)
+#define RTC_ALARM_TIME_BASE       (USEC_NUMBER>>N_PREDIV_S)
+
+#define COMMON_FACTOR        3
+#define CONV_NUMER                (MSEC_NUMBER>>COMMON_FACTOR)
+#define CONV_DENOM                (1<<(N_PREDIV_S-COMMON_FACTOR))
+
+#define  DAYS_IN_LEAP_YEAR (uint32_t) 366
+
+#define  DAYS_IN_YEAR      (uint32_t) 365
+
+#define  SECONDS_IN_1DAY   (uint32_t) 86400
+
+#define  SECONDS_IN_1HOUR   (uint32_t) 3600
+
+#define  SECONDS_IN_1MINUTE   (uint32_t) 60
+
+#define  MINUTES_IN_1HOUR    (uint32_t) 60
+
+#define  HOURS_IN_1DAY      (uint32_t) 24
+
+#define  DAYS_IN_MONTH_CORRECTION_NORM     ((uint32_t) 0x99AAA0 )
+#define  DAYS_IN_MONTH_CORRECTION_LEAP     ((uint32_t) 0x445550 )
+
+
+/* Calculates ceiling(X/N) */
+#define DIVC(X,N)   ( ( (X) + (N) -1 ) / (N) )
+
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/*!
+ * \brief Indicates if the RTC is already Initalized or not
+ */
+static bool HW_RTC_Initalized = false;
+
+/*!
+ * \brief compensates MCU wakeup time
+ */
+ 
+static bool McuWakeUpTimeInitialized = false;
+
+/*!
+ * \brief compensates MCU wakeup time
+ */
+ 
+static int16_t McuWakeUpTimeCal = 0;
+
+/*!
+ * Number of days in each month on a normal year
+ */
+static const uint8_t DaysInMonth[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+
+/*!
+ * Number of days in each month on a leap year
+ */
+static const uint8_t DaysInMonthLeapYear[] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+
+static RTC_HandleTypeDef RtcHandle={0};
+
+static RTC_AlarmTypeDef RTC_AlarmStructure;
+
+/*!
+ * Keep the value of the RTC timer when the RTC alarm is set
+ * Set with the HW_RTC_SetTimerContext function
+ * Value is kept as a Reference to calculate alarm
+ */
+static RtcTimerContext_t RtcTimerContext;
+
+/* Private function prototypes -----------------------------------------------*/
+
+static void HW_RTC_SetConfig( void );
+
+static void HW_RTC_SetAlarmConfig( void );
+
+static void HW_RTC_StartWakeUpAlarm( uint32_t timeoutValue );
+
+static TimerTime_t HW_RTC_GetCalendarValue(  RTC_DateTypeDef* RTC_DateStruct, RTC_TimeTypeDef* RTC_TimeStruct  );
+
+/* Exported functions ---------------------------------------------------------*/
+
+/*!
+ * @brief Initializes the RTC timer
+ * @note The timer is based on the RTC
+ * @param none
+ * @retval none
+ */
+void HW_RTC_Init( void )
+{
+  if( HW_RTC_Initalized == false )
+  {
+    HW_RTC_SetConfig( );
+    HW_RTC_SetAlarmConfig( );
+    HW_RTC_SetTimerContext( );
+    HW_RTC_Initalized = true;
+  }
+}
+
+/*!
+ * @brief Configures the RTC timer
+ * @note The timer is based on the RTC
+ * @param none
+ * @retval none
+ */
+static void HW_RTC_SetConfig( void )
+{
+  RTC_TimeTypeDef RTC_TimeStruct;
+  RTC_DateTypeDef RTC_DateStruct;
+
+  RtcHandle.Instance = RTC;
+
+  RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
+  RtcHandle.Init.AsynchPrediv = PREDIV_A; /* RTC_ASYNCH_PREDIV; */
+  RtcHandle.Init.SynchPrediv = PREDIV_S; /* RTC_SYNCH_PREDIV; */
+  RtcHandle.Init.OutPut = RTC_OUTPUT;
+  RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+  RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+
+  HAL_RTC_Init( &RtcHandle );
+  
+  /*Monday 1st January 2016*/
+  RTC_DateStruct.Year = 0;
+  RTC_DateStruct.Month = RTC_MONTH_JANUARY;
+  RTC_DateStruct.Date = 1;
+  RTC_DateStruct.WeekDay = RTC_WEEKDAY_MONDAY;
+  HAL_RTC_SetDate(&RtcHandle , &RTC_DateStruct, RTC_FORMAT_BIN);
+  
+  /*at 0:0:0*/
+  RTC_TimeStruct.Hours = 0;
+  RTC_TimeStruct.Minutes = 0;
+
+  RTC_TimeStruct.Seconds = 0;
+  RTC_TimeStruct.TimeFormat = 0;
+  RTC_TimeStruct.SubSeconds = 0;
+  RTC_TimeStruct.StoreOperation = RTC_DAYLIGHTSAVING_NONE;
+  RTC_TimeStruct.DayLightSaving = RTC_STOREOPERATION_RESET;
+  
+  HAL_RTC_SetTime(&RtcHandle , &RTC_TimeStruct, RTC_FORMAT_BIN);
+  
+ /*Enable Direct Read of the calendar registers (not through Shadow) */
+  HAL_RTCEx_EnableBypassShadow(&RtcHandle);
+}
+
+/*!
+ * @brief calculates the wake up time between wake up and mcu start
+ * @note resulotion in RTC_ALARM_TIME_BASE in timer ticks
+ * @param none
+ * @retval none
+ */
+void HW_RTC_setMcuWakeUpTime( void )
+{
+  RTC_TimeTypeDef RTC_TimeStruct;
+  RTC_DateTypeDef RTC_DateStruct;
+  
+  TimerTime_t now, hit;
+  int16_t McuWakeUpTime;
+  
+  if ((McuWakeUpTimeInitialized == false) &&
+      ( HAL_NVIC_GetPendingIRQ( RTC_Alarm_IRQn ) == 1))
+  { /* warning: works ok if now is below 30 days
+       it is ok since it's done once at first alarm wake-up*/
+    McuWakeUpTimeInitialized = true;
+    now = HW_RTC_GetCalendarValue( &RTC_DateStruct, &RTC_TimeStruct );
+
+    DBG_GPIO_SET(GPIOB, GPIO_PIN_13);
+    DBG_GPIO_RST(GPIOB, GPIO_PIN_13);
+    HAL_RTC_GetAlarm(&RtcHandle, &RTC_AlarmStructure, RTC_ALARM_A, RTC_FORMAT_BIN );
+    hit = RTC_AlarmStructure.AlarmTime.Seconds+
+          60*(RTC_AlarmStructure.AlarmTime.Minutes+
+          60*(RTC_AlarmStructure.AlarmTime.Hours+
+          24*(RTC_AlarmStructure.AlarmDateWeekDay)));
+    hit = ( hit << N_PREDIV_S ) + (PREDIV_S - RTC_AlarmStructure.AlarmTime.SubSeconds);
+      
+    McuWakeUpTime = (int16_t) ((now-hit));
+    McuWakeUpTimeCal += McuWakeUpTime;
+    DBG_PRINTF("Cal=%d, %d\n\r",McuWakeUpTimeCal, McuWakeUpTime);
+  }
+}
+
+int16_t HW_RTC_getMcuWakeUpTime( void )
+{
+  return McuWakeUpTimeCal;
+}
+
+/*!
+ * @brief returns the wake up time in ticks
+ * @param none
+ * @retval wake up time in ticks
+ */
+uint32_t HW_RTC_GetMinimumTimeout( void )
+{
+  return( MIN_ALARM_DELAY );
+}
+
+/*!
+ * @brief converts time in ms to time in ticks
+ * @param [IN] time in milliseconds
+ * @retval returns time in timer ticks
+ */
+uint32_t HW_RTC_ms2Tick( TimerTime_t timeMicroSec )
+{
+/*return( ( timeMicroSec / RTC_ALARM_TIME_BASE ) ); */
+  return ( uint32_t) ( ( ((uint64_t)timeMicroSec) * CONV_DENOM ) / CONV_NUMER );
+}
+
+/*!
+ * @brief converts time in ticks to time in ms
+ * @param [IN] time in timer ticks
+ * @retval returns time in milliseconds
+ */
+TimerTime_t HW_RTC_Tick2ms( uint32_t tick )
+{
+/*return( ( timeMicroSec * RTC_ALARM_TIME_BASE ) ); */
+  return  ( ( (uint64_t)( tick )* CONV_NUMER ) / CONV_DENOM );
+}
+
+/*!
+ * @brief Set the alarm
+ * @note The alarm is set at now (read in this funtion) + timeout
+ * @param timeout Duration of the Timer ticks
+ */
+void HW_RTC_SetAlarm( uint32_t timeout )
+{
+  /* we don't go in Low Power mode for timeout below MIN_ALARM_DELAY */
+  if ( (MIN_ALARM_DELAY + McuWakeUpTimeCal ) < ((timeout - HW_RTC_GetTimerElapsedTime( ) )) )
+  {
+    LowPower_Enable( e_LOW_POWER_RTC );
+  }
+  else
+  {
+    LowPower_Disable( e_LOW_POWER_RTC );
+  }
+
+  if( LowPower_GetState() == 0 )
+  {
+    LowPower_Enable( e_LOW_POWER_RTC );
+    timeout = timeout -  McuWakeUpTimeCal;
+  }
+
+  HW_RTC_StartWakeUpAlarm( timeout );
+}
+
+/*!
+ * @brief Get the RTC timer elapsed time since the last Alarm was set
+ * @param none
+ * @retval RTC Elapsed time in ticks
+ */
+uint32_t HW_RTC_GetTimerElapsedTime( void )
+{
+  RTC_TimeTypeDef RTC_TimeStruct;
+  RTC_DateTypeDef RTC_DateStruct;
+  
+  TimerTime_t CalendarValue = HW_RTC_GetCalendarValue(&RTC_DateStruct, &RTC_TimeStruct );
+
+  return( ( uint32_t )( CalendarValue - RtcTimerContext.Rtc_Time ));
+}
+
+/*!
+ * @brief Get the RTC timer value
+ * @param none
+ * @retval RTC Timer value in ticks
+ */
+uint32_t HW_RTC_GetTimerValue( void )
+{
+  RTC_TimeTypeDef RTC_TimeStruct;
+  RTC_DateTypeDef RTC_DateStruct;
+  
+  uint32_t CalendarValue = (uint32_t) HW_RTC_GetCalendarValue(&RTC_DateStruct, &RTC_TimeStruct );
+
+  return( CalendarValue );
+}
+
+/*!
+ * @brief Stop the Alarm
+ * @param none
+ * @retval none
+ */
+void HW_RTC_StopAlarm( void )
+{
+
+  /* Clear RTC Alarm Flag */
+  __HAL_RTC_ALARM_CLEAR_FLAG( &RtcHandle, RTC_FLAG_ALRAF);
+
+  /* Disable the Alarm A interrupt */
+
+  HAL_RTC_DeactivateAlarm(&RtcHandle, RTC_ALARM_A );
+}
+
+/*!
+ * @brief RTC IRQ Handler on the RTC Alarm
+ * @param none
+ * @retval none
+ */
+void HW_RTC_IrqHandler ( void )
+{
+  RTC_HandleTypeDef* hrtc=&RtcHandle;
+  /* enable low power at irq*/
+  LowPower_Enable( e_LOW_POWER_RTC );
+  
+    /* Get the AlarmA interrupt source enable status */
+  if(__HAL_RTC_ALARM_GET_IT_SOURCE(hrtc, RTC_IT_ALRA) != RESET)
+  {
+    /* Get the pending status of the AlarmA Interrupt */
+    if(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) != RESET)
+    {
+      /* Clear the AlarmA interrupt pending bit */
+      __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF); 
+      /* Clear the EXTI's line Flag for RTC Alarm */
+      __HAL_RTC_ALARM_EXTI_CLEAR_FLAG();
+      /* AlarmA callback */
+      HAL_RTC_AlarmAEventCallback(hrtc);
+    }
+  }
+}
+
+
+/*!
+ * @brief a delay of delay ms by polling RTC
+ * @param delay in ms
+ * @retval none
+ */
+void HW_RTC_DelayMs( uint32_t delay )
+{
+  TimerTime_t delayValue = 0;
+  TimerTime_t timeout = 0;
+
+  delayValue = HW_RTC_ms2Tick( delay );
+
+  /* Wait delay ms */
+  timeout = HW_RTC_GetTimerValue( );
+  while( ( ( HW_RTC_GetTimerValue( ) - timeout ) ) < delayValue )
+  {
+    __NOP( );
+  }
+}
+
+/*!
+ * @brief set Time Reference set also the RTC_DateStruct and RTC_TimeStruct
+ * @param none
+ * @retval Timer Value
+ */
+uint32_t HW_RTC_SetTimerContext( void )
+{
+  RtcTimerContext.Rtc_Time = HW_RTC_GetCalendarValue( &RtcTimerContext.RTC_Calndr_Date, &RtcTimerContext.RTC_Calndr_Time );
+  return ( uint32_t ) RtcTimerContext.Rtc_Time;
+}
+
+/*!
+ * @brief Get the RTC timer Reference
+ * @param none
+ * @retval Timer Value in  Ticks
+ */
+uint32_t HW_RTC_GetTimerContext( void )
+{
+  return (uint32_t) RtcTimerContext.Rtc_Time;
+}
+/* Private functions ---------------------------------------------------------*/
+
+/*!
+ * @brief configure alarm at init
+ * @param none
+ * @retval none
+ */
+static void HW_RTC_SetAlarmConfig( void )
+{
+  HAL_RTC_DeactivateAlarm(&RtcHandle, RTC_ALARM_A);
+}
+
+/*!
+ * @brief start wake up alarm
+ * @note  alarm in RtcTimerContext.Rtc_Time + timeoutValue
+ * @param timeoutValue in ticks
+ * @retval none
+ */
+static void HW_RTC_StartWakeUpAlarm( uint32_t timeoutValue )
+{
+  uint16_t rtcAlarmSubSeconds = 0;
+  uint16_t rtcAlarmSeconds = 0;
+  uint16_t rtcAlarmMinutes = 0;
+  uint16_t rtcAlarmHours = 0;
+  uint16_t rtcAlarmDays = 0;
+  RTC_TimeTypeDef RTC_TimeStruct = RtcTimerContext.RTC_Calndr_Time;
+  RTC_DateTypeDef RTC_DateStruct = RtcTimerContext.RTC_Calndr_Date;
+
+  HW_RTC_StopAlarm( );
+  DBG_GPIO_SET(GPIOB, GPIO_PIN_13);
+  
+  /*reverse counter */
+  rtcAlarmSubSeconds =  PREDIV_S - RTC_TimeStruct.SubSeconds;
+  rtcAlarmSubSeconds += ( timeoutValue & PREDIV_S);
+  /* convert timeout  to seconds */
+  timeoutValue >>= N_PREDIV_S;  /* convert timeout  in seconds */
+  
+  /*convert microsecs to RTC format and add to 'Now' */
+  rtcAlarmDays =  RTC_DateStruct.Date;
+  while (timeoutValue >= SECONDS_IN_1DAY)
+  {
+    timeoutValue -= SECONDS_IN_1DAY;
+    rtcAlarmDays++;
+  }
+  
+  /* calc hours */
+  rtcAlarmHours = RTC_TimeStruct.Hours;
+  while (timeoutValue >= SECONDS_IN_1HOUR)
+  {
+    timeoutValue -= SECONDS_IN_1HOUR;
+    rtcAlarmHours++;
+  }
+  
+  /* calc minutes */
+  rtcAlarmMinutes = RTC_TimeStruct.Minutes;
+  while (timeoutValue >= SECONDS_IN_1MINUTE)
+  {
+    timeoutValue -= SECONDS_IN_1MINUTE;
+    rtcAlarmMinutes++;
+  }
+   
+  /* calc seconds */
+  rtcAlarmSeconds =  RTC_TimeStruct.Seconds + timeoutValue;
+
+  /***** correct for modulo********/
+  while (rtcAlarmSubSeconds >= (PREDIV_S+1))
+  {
+    rtcAlarmSubSeconds -= (PREDIV_S+1);
+    rtcAlarmSeconds++;
+  }
+  
+  while (rtcAlarmSeconds >= SECONDS_IN_1MINUTE)
+  { 
+    rtcAlarmSeconds -= SECONDS_IN_1MINUTE;
+    rtcAlarmMinutes++;
+  }
+
+  while (rtcAlarmMinutes >= MINUTES_IN_1HOUR)
+  {
+    rtcAlarmMinutes -= MINUTES_IN_1HOUR;
+    rtcAlarmHours++;
+  }
+  
+  while (rtcAlarmHours >= HOURS_IN_1DAY)
+  {
+    rtcAlarmHours -= HOURS_IN_1DAY;
+    rtcAlarmDays++;
+  }
+
+  if( RTC_DateStruct.Year % 4 == 0 ) 
+  {
+    if( rtcAlarmDays > DaysInMonthLeapYear[ RTC_DateStruct.Month - 1 ] )    
+    {
+      rtcAlarmDays = rtcAlarmDays % DaysInMonthLeapYear[ RTC_DateStruct.Month - 1 ];
+    }
+  }
+  else
+  {
+    if( rtcAlarmDays > DaysInMonth[ RTC_DateStruct.Month - 1 ] )    
+    {   
+      rtcAlarmDays = rtcAlarmDays % DaysInMonth[ RTC_DateStruct.Month - 1 ];
+    }
+  }
+
+  /* Set RTC_AlarmStructure with calculated values*/
+  RTC_AlarmStructure.AlarmTime.SubSeconds = PREDIV_S-rtcAlarmSubSeconds;
+  RTC_AlarmStructure.AlarmSubSecondMask  = HW_RTC_ALARMSUBSECONDMASK; 
+  RTC_AlarmStructure.AlarmTime.Seconds = rtcAlarmSeconds;
+  RTC_AlarmStructure.AlarmTime.Minutes = rtcAlarmMinutes;
+  RTC_AlarmStructure.AlarmTime.Hours   = rtcAlarmHours;
+  RTC_AlarmStructure.AlarmDateWeekDay    = ( uint8_t )rtcAlarmDays;
+  RTC_AlarmStructure.AlarmTime.TimeFormat   = RTC_TimeStruct.TimeFormat;
+  RTC_AlarmStructure.AlarmDateWeekDaySel   = RTC_ALARMDATEWEEKDAYSEL_DATE; 
+  RTC_AlarmStructure.AlarmMask       = RTC_ALARMMASK_NONE;
+  RTC_AlarmStructure.Alarm = RTC_ALARM_A;
+  RTC_AlarmStructure.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+  RTC_AlarmStructure.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
+  
+  /* Set RTC_Alarm */
+  HAL_RTC_SetAlarm_IT( &RtcHandle, &RTC_AlarmStructure, RTC_FORMAT_BIN );
+  
+  /* Debug Printf*/
+  DBG( HW_RTC_GetCalendarValue( &RTC_DateStruct, &RTC_TimeStruct ); );
+  DBG_PRINTF("it's %d:%d:%d:%d ", RTC_TimeStruct.Hours, RTC_TimeStruct.Minutes, RTC_TimeStruct.Seconds, ((PREDIV_S - RTC_TimeStruct.SubSeconds)*1000)>>N_PREDIV_S);
+  DBG_PRINTF("WU@ %d:%d:%d:%d\n\r", rtcAlarmHours, rtcAlarmMinutes, rtcAlarmSeconds, (rtcAlarmSubSeconds*1000)>>N_PREDIV_S );
+  
+  DBG_GPIO_RST(GPIOB, GPIO_PIN_13);
+}
+
+
+/*!
+ * @brief get current time from calendar in ticks
+ * @param pointer to RTC_DateStruct
+ * @param pointer to RTC_TimeStruct
+ * @retval time in ticks
+ */
+static TimerTime_t HW_RTC_GetCalendarValue( RTC_DateTypeDef* RTC_DateStruct, RTC_TimeTypeDef* RTC_TimeStruct )
+{
+  TimerTime_t calendarValue = 0;
+  uint32_t first_read;
+  uint32_t correction;
+  
+  /* Get Time and Date*/
+  HAL_RTC_GetTime( &RtcHandle, RTC_TimeStruct, RTC_FORMAT_BIN );
+ 
+   /* make sure it is correct due to asynchronus nature of RTC*/
+  do {
+    first_read = RTC_TimeStruct->SubSeconds;
+    HAL_RTC_GetDate( &RtcHandle, RTC_DateStruct, RTC_FORMAT_BIN );
+    HAL_RTC_GetTime( &RtcHandle, RTC_TimeStruct, RTC_FORMAT_BIN );
+  } while (first_read != RTC_TimeStruct->SubSeconds);
+ 
+  /* calculte amount of elapsed days since 01/01/2000 */
+  calendarValue= DIVC( (DAYS_IN_YEAR*3 + DAYS_IN_LEAP_YEAR)* RTC_DateStruct->Year , 4);
+
+  correction = ( (RTC_DateStruct->Year % 4) == 0 ) ? DAYS_IN_MONTH_CORRECTION_LEAP : DAYS_IN_MONTH_CORRECTION_NORM ;
+ 
+  calendarValue +=( DIVC( (RTC_DateStruct->Month-1)*(30+31) ,2 ) - (((correction>> ((RTC_DateStruct->Month-1)*2) )&0x3)));
+
+  calendarValue += (RTC_DateStruct->Date -1);
+  
+  /* convert from days to seconds */
+  calendarValue *= SECONDS_IN_1DAY; 
+
+  calendarValue += ( ( uint32_t )RTC_TimeStruct->Seconds + 
+                     ( ( uint32_t )RTC_TimeStruct->Minutes * SECONDS_IN_1MINUTE ) +
+                     ( ( uint32_t )RTC_TimeStruct->Hours * SECONDS_IN_1HOUR ) ) ;
+
+
+  
+  calendarValue = (calendarValue<<N_PREDIV_S) + ( PREDIV_S - RTC_TimeStruct->SubSeconds);
+
+  return( calendarValue );
+}
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Src/hw_spi.c b/Src/hw_spi.c
new file mode 100755
index 0000000..3db5ddd
--- /dev/null
+++ b/Src/hw_spi.c
@@ -0,0 +1,223 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Bleeper board SPI driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /*******************************************************************************
+  * @file    hw_spi.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   manages the SPI interface
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "hw.h"
+#include "utilities.h"
+
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+static SPI_HandleTypeDef hspi;
+/* Private function prototypes -----------------------------------------------*/
+
+/*!
+ * @brief Calculates Spi Divisor based on Spi Frequency and Mcu Frequency
+ *
+ * @param [IN] Spi Frequency
+ * @retval Spi divisor
+ */
+static uint32_t SpiFrequency( uint32_t hz );
+
+/* Exported functions ---------------------------------------------------------*/
+
+/*!
+ * @brief Initializes the SPI object and MCU peripheral
+ *
+ * @param [IN] none
+ */
+void HW_SPI_Init( void )
+{
+  
+  /*##-1- Configure the SPI peripheral */
+  /* Set the SPI parameters */
+
+  hspi.Instance = SPI1;
+
+  hspi.Init.BaudRatePrescaler = SpiFrequency( 10000000 );
+  hspi.Init.Direction      = SPI_DIRECTION_2LINES;
+  hspi.Init.Mode           = SPI_MODE_MASTER;
+  hspi.Init.CLKPolarity    = SPI_POLARITY_LOW;
+  hspi.Init.CLKPhase       = SPI_PHASE_1EDGE;
+  hspi.Init.DataSize       = SPI_DATASIZE_8BIT;
+  hspi.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;  
+  hspi.Init.FirstBit       = SPI_FIRSTBIT_MSB;
+  hspi.Init.NSS            = SPI_NSS_SOFT;
+  hspi.Init.TIMode         = SPI_TIMODE_DISABLE;
+
+
+  SPI_CLK_ENABLE(); 
+
+
+  if(HAL_SPI_Init( &hspi) != HAL_OK)
+  {
+    /* Initialization Error */
+     Error_Handler();
+  }
+
+  /*##-2- Configure the SPI GPIOs */
+  HW_SPI_IoInit(  );
+}
+
+/*!
+ * @brief De-initializes the SPI object and MCU peripheral
+ *
+ * @param [IN] none
+ */
+void HW_SPI_DeInit( void )
+{
+
+  HAL_SPI_DeInit( &hspi);
+
+    /*##-1- Reset peripherals ####*/
+  __HAL_RCC_SPI1_FORCE_RESET();
+  __HAL_RCC_SPI1_RELEASE_RESET();
+  /*##-2- Configure the SPI GPIOs */
+  HW_SPI_IoDeInit( );
+}
+
+void HW_SPI_IoInit( void )
+{
+  GPIO_InitTypeDef initStruct={0};
+  
+
+  initStruct.Mode =GPIO_MODE_AF_PP;
+  initStruct.Pull = GPIO_PULLDOWN;
+  initStruct.Speed = GPIO_SPEED_HIGH;
+  initStruct.Alternate= SPI1_AF ;
+
+  HW_GPIO_Init( RADIO_SCLK_PORT, RADIO_SCLK_PIN, &initStruct);
+  HW_GPIO_Init( RADIO_MISO_PORT, RADIO_MISO_PIN, &initStruct);
+  HW_GPIO_Init( RADIO_MOSI_PORT, RADIO_MOSI_PIN, &initStruct);
+
+  initStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  initStruct.Pull = GPIO_PULLUP;
+
+  HW_GPIO_Init(  RADIO_NSS_PORT, RADIO_NSS_PIN, &initStruct );
+
+  HW_GPIO_Write ( RADIO_NSS_PORT, RADIO_NSS_PIN, 1 );
+}
+
+void HW_SPI_IoDeInit( void )
+{
+  GPIO_InitTypeDef initStruct={0};
+    
+  initStruct.Mode =GPIO_MODE_OUTPUT_PP;
+
+  initStruct.Pull =GPIO_PULLDOWN  ;
+  HW_GPIO_Init ( RADIO_MOSI_PORT, RADIO_MOSI_PIN, &initStruct ); 
+  HW_GPIO_Write( RADIO_MOSI_PORT, RADIO_MOSI_PIN, 0 );
+  
+  initStruct.Pull =GPIO_PULLDOWN; 
+  HW_GPIO_Init ( RADIO_MISO_PORT, RADIO_MISO_PIN, &initStruct ); 
+  HW_GPIO_Write( RADIO_MISO_PORT, RADIO_MISO_PIN, 0 );
+  
+  initStruct.Pull =GPIO_PULLDOWN  ; 
+  HW_GPIO_Init ( RADIO_SCLK_PORT, RADIO_SCLK_PIN, &initStruct ); 
+  HW_GPIO_Write(  RADIO_SCLK_PORT, RADIO_SCLK_PIN, 0 );
+
+  initStruct.Pull = GPIO_PULLUP;
+  HW_GPIO_Init ( RADIO_NSS_PORT, RADIO_NSS_PIN , &initStruct ); 
+  HW_GPIO_Write( RADIO_NSS_PORT, RADIO_NSS_PIN , 1 );
+}
+
+/*!
+ * @brief Sends outData and receives inData
+ *
+ * @param [IN] outData Byte to be sent
+ * @retval inData      Received byte.
+ */
+uint16_t HW_SPI_InOut( uint16_t txData )
+{
+  uint16_t rxData ;
+
+  HAL_SPI_TransmitReceive( &hspi, ( uint8_t * ) &txData, ( uint8_t* ) &rxData, 1, HAL_MAX_DELAY);	
+
+  return rxData;
+}
+
+/* Private functions ---------------------------------------------------------*/
+
+static uint32_t SpiFrequency( uint32_t hz )
+{
+  uint32_t divisor = 0;
+  uint32_t SysClkTmp = SystemCoreClock;
+  uint32_t baudRate;
+  
+  while( SysClkTmp > hz)
+  {
+    divisor++;
+    SysClkTmp= ( SysClkTmp >> 1);
+    
+    if (divisor >= 7)
+      break;
+  }
+  
+  baudRate =((( divisor & 0x4 ) == 0 )? 0x0 : SPI_CR1_BR_2  )| 
+            ((( divisor & 0x2 ) == 0 )? 0x0 : SPI_CR1_BR_1  )| 
+            ((( divisor & 0x1 ) == 0 )? 0x0 : SPI_CR1_BR_0  );
+  
+  return baudRate;
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Src/main.c b/Src/main.c
old mode 100644
new mode 100755
index 1e76d31..505f3fd
--- a/Src/main.c
+++ b/Src/main.c
@@ -1,231 +1,228 @@
-/**
-  ******************************************************************************
-  * File Name          : main.c
-  * Description        : Main program body
+/*
+/ _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+\____ \| ___ |    (_   _) ___ |/ ___)  _ \
+_____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+   (C)2013 Semtech
+
+Description: Generic lora driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis, Gregory Cristian and Wael Guibene
+*/
+/******************************************************************************
+  * @file    main.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   this is the main!
   ******************************************************************************
-  ** This notice applies to any and all portions of this file
-  * that are not between comment pairs USER CODE BEGIN and
-  * USER CODE END. Other portions of this file, whether 
-  * inserted by the user or by software development tools
-  * are owned by their respective copyright owners.
+  * @attention
   *
-  * COPYRIGHT(c) 2017 STMicroelectronics
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
   *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
   *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   ******************************************************************************
   */
 
 /* Includes ------------------------------------------------------------------*/
-#include "main.h"
-#include "stm32l0xx_hal.h"
-#include "i2c.h"
-#include "rtc.h"
-#include "spi.h"
-#include "usart.h"
-#include "gpio.h"
-
-/* USER CODE BEGIN Includes */
-
-/* USER CODE END Includes */
-
-/* Private variables ---------------------------------------------------------*/
-
-/* USER CODE BEGIN PV */
-/* Private variables ---------------------------------------------------------*/
-
-/* USER CODE END PV */
-
+#include "hw.h"
+#include "low_power.h"
+#include "lora.h"
+//#include "bsp.h"
+#include "timeServer.h"
+#include "vcom.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/*!
+ * CAYENNE_LPP is myDevices Application server.
+ */
+//#define CAYENNE_LPP
+#define LPP_DATATYPE_DIGITAL_INPUT  0x0
+#define LPP_DATATYPE_DIGITAL_OUTPUT 0x1
+#define LPP_DATATYPE_HUMIDITY       0x68
+#define LPP_DATATYPE_TEMPERATURE    0x67
+#define LPP_DATATYPE_BAROMETER      0x73
+
+#define LPP_APP_PORT 99
+
+/*!
+ * Defines the application data transmission duty cycle. 5s, value in [ms].
+ */
+#define APP_TX_DUTYCYCLE                            10000
+/*!
+ * LoRaWAN Adaptive Data Rate
+ * @note Please note that when ADR is enabled the end-device should be static
+ */
+#define LORAWAN_ADR_ON                              1
+/*!
+ * LoRaWAN confirmed messages
+ */
+#define LORAWAN_CONFIRMED_MSG                    DISABLE
+/*!
+ * LoRaWAN application port
+ * @note do not use 224. It is reserved for certification
+ */
+#define LORAWAN_APP_PORT                            2
+/*!
+ * Number of trials for the join request.
+ */
+#define JOINREQ_NBTRIALS                            3
+
+/* Private macro -------------------------------------------------------------*/
 /* Private function prototypes -----------------------------------------------*/
-void SystemClock_Config(void);
 
-/* USER CODE BEGIN PFP */
-/* Private function prototypes -----------------------------------------------*/
-
-/* USER CODE END PFP */
+/* call back when LoRa will transmit a frame*/
+static void LoraTxData(lora_AppData_t *AppData, FunctionalState *IsTxConfirmed);
 
-/* USER CODE BEGIN 0 */
+/* call back when LoRa has received a frame*/
+static void LoraRxData(lora_AppData_t *AppData);
 
-/* USER CODE END 0 */
+/* Private variables ---------------------------------------------------------*/
+/* load call backs*/
+static LoRaMainCallback_t LoRaMainCallbacks = {HW_GetBatteryLevel,
+                                               HW_GetUniqueId,
+                                               HW_GetRandomSeed,
+                                               LoraTxData,
+                                               LoraRxData};
+
+/*!
+ * Specifies the state of the application LED
+ */
+static uint8_t AppLedStateOn = RESET;
+
+
+#ifdef USE_B_L072Z_LRWAN1
+/*!
+ * Timer to handle the application Tx Led to toggle
+ */
+static TimerEvent_t TxLedTimer;
+static void OnTimerLedEvent( void );
+#endif
+/* !
+ *Initialises the Lora Parameters
+ */
+static LoRaParam_t LoRaParamInit = {TX_ON_TIMER,
+                                    APP_TX_DUTYCYCLE,
+                                    CLASS_A,
+                                    LORAWAN_ADR_ON,
+                                    DR_0,
+                                    LORAWAN_PUBLIC_NETWORK,
+                                    JOINREQ_NBTRIALS};
+
+/* Private functions ---------------------------------------------------------*/
 
+/**
+  * @brief  Main program
+  * @param  None
+  * @retval None
+  */
 int main(void)
 {
+	/* STM32 HAL library initialization*/
+	HAL_Init();
 
-  /* USER CODE BEGIN 1 */
-
-  /* USER CODE END 1 */
+	/* Configure the system clock*/
+	SystemClock_Config();
 
-  /* MCU Configuration----------------------------------------------------------*/
+	/* Configure the debug mode*/
+	DBG_Init();
 
-  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
-  HAL_Init();
+	/* Configure the hardware*/
+	HW_Init();
 
-  /* USER CODE BEGIN Init */
+	/* USER CODE BEGIN 1 */
+	/* USER CODE END 1 */
 
-  /* USER CODE END Init */
+	/* Configure the Lora Stack*/
+	lora_Init(&LoRaMainCallbacks, &LoRaParamInit);
 
-  /* Configure the system clock */
-  SystemClock_Config();
+	PRINTF("starting!!!\n\r");
 
-  /* USER CODE BEGIN SysInit */
+	/* main loop*/
+	while (1) {
+		/* run the LoRa class A state machine*/
+		lora_fsm();
 
-  /* USER CODE END SysInit */
-
-  /* Initialize all configured peripherals */
-  MX_GPIO_Init();
-  MX_I2C1_Init();
-  MX_SPI1_Init();
-  MX_USART1_UART_Init();
-  MX_USART2_UART_Init();
-  MX_RTC_Init();
-
-  /* USER CODE BEGIN 2 */
-
-  /* USER CODE END 2 */
-
-  /* Infinite loop */
-  /* USER CODE BEGIN WHILE */
-  while (1)
-  {
-  /* USER CODE END WHILE */
-
-  /* USER CODE BEGIN 3 */
-
-  }
-  /* USER CODE END 3 */
+		DISABLE_IRQ();
+		/* if an interrupt has occurred after DISABLE_IRQ, it is kept pending
+		 * and cortex will not enter low power anyway  */
+		if (lora_getDeviceState() == DEVICE_STATE_SLEEP) {
+#ifndef LOW_POWER_DISABLE
+			LowPower_Handler();
+#endif
+		}
+		ENABLE_IRQ();
 
+		/* USER CODE BEGIN 2 */
+		/* USER CODE END 2 */
+	}
 }
 
-/** System Clock Configuration
-*/
-void SystemClock_Config(void)
+static void LoraTxData(lora_AppData_t *AppData, FunctionalState *IsTxConfirmed)
 {
+	/* USER CODE BEGIN 3 */
 
-  RCC_OscInitTypeDef RCC_OscInitStruct;
-  RCC_ClkInitTypeDef RCC_ClkInitStruct;
-  RCC_PeriphCLKInitTypeDef PeriphClkInit;
-
-    /**Configure the main internal regulator output voltage 
-    */
-  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
-
-    /**Initializes the CPU, AHB and APB busses clocks 
-    */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
-  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
-  RCC_OscInitStruct.HSICalibrationValue = 16;
-  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
-  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
-  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_3;
-  RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
-  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
-  {
-    _Error_Handler(__FILE__, __LINE__);
-  }
-
-    /**Initializes the CPU, AHB and APB busses clocks 
-    */
-  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
-                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
-  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
-  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
-  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
-  {
-    _Error_Handler(__FILE__, __LINE__);
-  }
-
-  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USART2
-                              |RCC_PERIPHCLK_I2C1|RCC_PERIPHCLK_RTC;
-  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
-  PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
-  PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
-  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
-  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
-  {
-    _Error_Handler(__FILE__, __LINE__);
-  }
-
-    /**Configure the Systick interrupt time 
-    */
-  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
-
-    /**Configure the Systick 
-    */
-  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
-
-  /* SysTick_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
-}
+	AppData->Port = LORAWAN_APP_PORT;
 
-/* USER CODE BEGIN 4 */
+	//TODO
 
-/* USER CODE END 4 */
+	*IsTxConfirmed = LORAWAN_CONFIRMED_MSG;
 
-/**
-  * @brief  This function is executed in case of error occurrence.
-  * @param  None
-  * @retval None
-  */
-void _Error_Handler(char * file, int line)
-{
-  /* USER CODE BEGIN Error_Handler_Debug */
-  /* User can add his own implementation to report the HAL error return state */
-  while(1) 
-  {
-  }
-  /* USER CODE END Error_Handler_Debug */ 
-}
+	AppData->BuffSize = 0;
 
-#ifdef USE_FULL_ASSERT
+	/* USER CODE END 3 */
+}
 
-/**
-   * @brief Reports the name of the source file and the source line number
-   * where the assert_param error has occurred.
-   * @param file: pointer to the source file name
-   * @param line: assert_param error line source number
-   * @retval None
-   */
-void assert_failed(uint8_t* file, uint32_t line)
+static void LoraRxData(lora_AppData_t *AppData)
 {
-  /* USER CODE BEGIN 6 */
-  /* User can add his own implementation to report the file name and line number,
-    ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
-  /* USER CODE END 6 */
-
+	/* USER CODE BEGIN 4 */
+	switch (AppData->Port) {
+		case LORAWAN_APP_PORT:
+
+			break;
+		case LPP_APP_PORT: {
+
+			break;
+		}
+		default:
+			break;
+	}
+	/* USER CODE END 4 */
 }
 
-#endif
-
-/**
-  * @}
-  */ 
-
-/**
-  * @}
-*/ 
-
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/stm32l0xx_hal_msp.c b/Src/stm32l0xx_hal_msp.c
old mode 100644
new mode 100755
index 79aac7b..5e056b1
--- a/Src/stm32l0xx_hal_msp.c
+++ b/Src/stm32l0xx_hal_msp.c
@@ -1,83 +1,224 @@
-/**
-  ******************************************************************************
-  * File Name          : stm32l0xx_hal_msp.c
-  * Description        : This file provides code for the MSP Initialization 
-  *                      and de-Initialization codes.
+
+ /******************************************************************************
+  * @file    stm32l0xx_hal_msp.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   msp file for HAL
   ******************************************************************************
-  ** This notice applies to any and all portions of this file
-  * that are not between comment pairs USER CODE BEGIN and
-  * USER CODE END. Other portions of this file, whether 
-  * inserted by the user or by software development tools
-  * are owned by their respective copyright owners.
+  * @attention
   *
-  * COPYRIGHT(c) 2017 STMicroelectronics
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
   *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
   *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   ******************************************************************************
   */
+
 /* Includes ------------------------------------------------------------------*/
-#include "stm32l0xx_hal.h"
+#include "hw.h"
+#include "low_power.h"
+#include "delay.h"
+#include "timeServer.h"
+/* when fast wake up is enabled, the mcu wakes up in ~20us  * and 
+ * does not wait for the VREFINT to be settled. THis is ok for 
+ * most of the case except when adc must be used in this case before 
+ *starting the adc, you must make sure VREFINT is settled*/
+#define ENABLE_FAST_WAKEUP
 
-extern void _Error_Handler(char *, int);
-/* USER CODE BEGIN 0 */
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
 
-/* USER CODE END 0 */
 /**
-  * Initializes the Global MSP.
+  * @brief This function configures the source of the time base.
+  * @brief  don't enable systick
+  * @param TickPriority: Tick interrupt priority.
+  * @retval HAL status
   */
-void HAL_MspInit(void)
+HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
 {
-  /* USER CODE BEGIN MspInit 0 */
+   /* Return function status */
+  return HAL_OK;
+}
 
-  /* USER CODE END MspInit 0 */
+/**
+  * @brief This function provides delay (in ms)
+  * @param Delay: specifies the delay time length, in milliseconds.
+  * @retval None
+  */
+void HAL_Delay(__IO uint32_t Delay)
+{
+  DelayMs( Delay ); /* based on RTC */
+}
 
-  __HAL_RCC_SYSCFG_CLK_ENABLE();
+/**
+  * @brief  Initializes the MSP.
+  * @retval None
+  */
+void HAL_MspInit(void)
+{
   __HAL_RCC_PWR_CLK_ENABLE();
+  
+  /* Disable the Power Voltage Detector */
+  HAL_PWR_DisablePVD( ); 
+
+  /* Enables the Ultra Low Power mode */
+  HAL_PWREx_EnableUltraLowPower( );
+  
+  __HAL_FLASH_SLEEP_POWERDOWN_ENABLE();
+  
+  /*In debug mode, e.g. when DBGMCU is activated, Arm core has always clocks
+   * And will not wait that the FLACH is ready to be read. It can miss in this 
+   * case the first instruction. To overcome this issue, the flash remain clcoked during sleep mode
+   */
+  DBG( __HAL_FLASH_SLEEP_POWERDOWN_DISABLE(); );
+  
+#ifdef ENABLE_FAST_WAKEUP
+  /*Enable fast wakeUp*/  
+  HAL_PWREx_EnableFastWakeUp( );
+#else  
+  HAL_PWREx_DisableFastWakeUp( );
+#endif
+}
 
-  /* System interrupt init*/
-  /* SVC_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(SVC_IRQn, 0, 0);
-  /* PendSV_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(PendSV_IRQn, 0, 0);
-  /* SysTick_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+/**
+  * @brief RTC MSP Initialization
+  *        This function configures the hardware resources used in this example:
+  *           - Peripheral's clock enable
+  * @param hrtc: RTC handle pointer
+  * @note  Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select 
+  *        the RTC clock source; in this case the Backup domain will be reset in  
+  *        order to modify the RTC Clock source, as consequence RTC registers (including 
+  *        the backup registers) and RCC_CSR register are set to their reset values.  
+  * @retval None
+  */
+void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+  RCC_PeriphCLKInitTypeDef  PeriphClkInitStruct;
 
-  /* USER CODE BEGIN MspInit 1 */
+  /*##-1- Configue the RTC clock soucre ######################################*/
+  /* -a- Enable LSE Oscillator */
+  RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_LSE;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
+  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+  {
+    Error_Handler();
+  }
 
-  /* USER CODE END MspInit 1 */
+  /* -b- Select LSI as RTC clock source */
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
+  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
+  if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+  { 
+    Error_Handler();
+  }
+
+  /*##-2- Enable the RTC peripheral Clock ####################################*/
+  /* Enable RTC Clock */
+  __HAL_RCC_RTC_ENABLE();
+  
+  /*##-3- Configure the NVIC for RTC Alarm ###################################*/
+  HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0x0, 0);
+  HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
 }
 
-/* USER CODE BEGIN 1 */
+/**
+  * @brief RTC MSP De-Initialization 
+  *        This function freeze the hardware resources used in this example:
+  *          - Disable the Peripheral's clock
+  * @param hrtc: RTC handle pointer
+  * @retval None
+  */
+void HAL_RTC_MspDeInit(RTC_HandleTypeDef *hrtc)
+{
+  /* Reset peripherals */
+  __HAL_RCC_RTC_DISABLE();
+}
 
-/* USER CODE END 1 */
 
 /**
-  * @}
+  * @brief  Alarm A callback.
+  * @param  hrtc: RTC handle
+  * @retval None
   */
+void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)
+{
+  TimerIrqHandler( );
+}
+
+/**
+  * @brief  EXTI line detection callbacks.
+  * @param  GPIO_Pin: Specifies the pins connected to the EXTI line.
+  * @retval None
+  */
+void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
+{
+  HW_GPIO_IrqHandler( GPIO_Pin );
+}
 
 /**
-  * @}
+  * @brief  Gets IRQ number as a function of the GPIO_Pin.
+  * @param  GPIO_Pin: Specifies the pins connected to the EXTI line.
+  * @retval IRQ number
   */
+IRQn_Type MSP_GetIRQn( uint16_t GPIO_Pin)
+{
+  switch( GPIO_Pin )
+  {
+    case GPIO_PIN_0:  
+    case GPIO_PIN_1:  return EXTI0_1_IRQn;
+    case GPIO_PIN_2: 
+    case GPIO_PIN_3:  return EXTI2_3_IRQn;
+    case GPIO_PIN_4:  
+    case GPIO_PIN_5:  
+    case GPIO_PIN_6:
+    case GPIO_PIN_7:
+    case GPIO_PIN_8:
+    case GPIO_PIN_9:  
+    case GPIO_PIN_10:
+    case GPIO_PIN_11:
+    case GPIO_PIN_12:
+    case GPIO_PIN_13:
+    case GPIO_PIN_14:
+    case GPIO_PIN_15: 
+    default: return EXTI4_15_IRQn;
+  }
+}
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/stm32l0xx_hw.c b/Src/stm32l0xx_hw.c
new file mode 100755
index 0000000..7f6d5d9
--- /dev/null
+++ b/Src/stm32l0xx_hw.c
@@ -0,0 +1,335 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Target board general functions implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /*******************************************************************************
+  * @file    stm32l0xx_hw.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   system hardware driver
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+#include "hw.h"
+#include "radio.h"
+#include "debug.h"
+#include "vcom.h"
+
+/*!
+ *  \brief Unique Devices IDs register set ( STM32L0xxx )
+ */
+#define         ID1                                 ( 0x1FF80050 )
+#define         ID2                                 ( 0x1FF80054 )
+#define         ID3                                 ( 0x1FF80064 )
+
+/*!
+ * \brief ADC Vbat measurement constants
+ */
+
+ /* Internal voltage reference, parameter VREFINT_CAL*/
+#define VREFINT_CAL       ((uint16_t*) ((uint32_t) 0x1FF80078))
+#define LORAWAN_MAX_BAT   254
+
+
+/* Internal temperature sensor: constants data used for indicative values in  */
+/* this example. Refer to device datasheet for min/typ/max values.            */
+
+/* Internal temperature sensor, parameter TS_CAL1: TS ADC raw data acquired at 
+ *a temperature of 110 DegC (+-5 DegC), VDDA = 3.3 V (+-10 mV). */
+#define TEMP30_CAL_ADDR   ((uint16_t*) ((uint32_t) 0x1FF8007A))
+
+/* Internal temperature sensor, parameter TS_CAL2: TS ADC raw data acquired at 
+ *a temperature of  30 DegC (+-5 DegC), VDDA = 3.3 V (+-10 mV). */
+#define TEMP110_CAL_ADDR  ((uint16_t*) ((uint32_t) 0x1FF8007E))
+
+/* Vdda value with which temperature sensor has been calibrated in production 
+   (+-10 mV). */
+#define VDDA_TEMP_CAL                  ((uint32_t) 3000)
+
+/*!
+ * Flag to indicate if the MCU is Initialized
+ */
+static bool McuInitialized = false;
+
+/**
+  * @brief This function initializes the hardware
+  * @param None
+  * @retval None
+  */
+void HW_Init( void )
+{
+  if( McuInitialized == false )
+  {
+#if defined( USE_BOOTLOADER )
+    /* Set the Vector Table base location at 0x3000 */
+    NVIC_SetVectorTable( NVIC_VectTab_FLASH, 0x3000 );
+#endif
+
+    HW_AdcInit( );
+
+    Radio.IoInit( );
+    
+    HW_SPI_Init( );
+
+    HW_RTC_Init( );
+    
+    vcom_Init( );
+
+    McuInitialized = true;
+  }
+}
+
+/**
+  * @brief This function Deinitializes the hardware
+  * @param None
+  * @retval None
+  */
+void HW_DeInit( void )
+{
+  HW_SPI_DeInit( );
+  
+  Radio.IoDeInit( );
+  
+  vcom_DeInit( );
+   
+  McuInitialized = false;
+}
+
+/**
+  * @brief This function Initializes the hardware Ios
+  * @param None
+  * @retval None
+  */
+static void HW_IoInit( void )
+{
+  HW_SPI_IoInit( );
+  
+  Radio.IoInit( );
+  
+  vcom_IoInit( );
+}
+
+/**
+  * @brief This function Deinitializes the hardware Ios
+  * @param None
+  * @retval None
+  */
+static void HW_IoDeInit( void )
+{
+  HW_SPI_IoDeInit( );
+  
+  Radio.IoDeInit( );
+  
+  vcom_IoDeInit( );
+}
+
+
+void HW_GpioInit(void)
+{
+  /* STM32L0 Gpios are all already configured in analog input at nReset*/
+}
+
+/**
+  * @brief  System Clock Configuration
+  *         The system Clock is configured as follow :
+  *            System Clock source            = PLL (HSI)
+  *            SYSCLK(Hz)                     = 32000000
+  *            HCLK(Hz)                       = 32000000
+  *            AHB Prescaler                  = 1
+  *            APB1 Prescaler                 = 1
+  *            APB2 Prescaler                 = 1
+  *            HSI Frequency(Hz)              = 16000000
+  *            PLLMUL                         = 6
+  *            PLLDIV                         = 3
+  *            Flash Latency(WS)              = 1
+  * @retval None
+  */
+
+void SystemClock_Config( void )
+{
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+
+  /* Enable HSE Oscillator and Activate PLL with HSE as source */
+  RCC_OscInitStruct.OscillatorType      = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSEState            = RCC_HSE_OFF;
+  RCC_OscInitStruct.HSIState            = RCC_HSI_ON;
+  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.PLL.PLLState        = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource       = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLMUL          = RCC_PLLMUL_6;
+  RCC_OscInitStruct.PLL.PLLDIV          = RCC_PLLDIV_3;
+
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /* Set Voltage scale1 as MCU will run at 32MHz */
+  __HAL_RCC_PWR_CLK_ENABLE();
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+  
+  /* Poll VOSF bit of in PWR_CSR. Wait until it is reset to 0 */
+  while (__HAL_PWR_GET_FLAG(PWR_FLAG_VOS) != RESET) {};
+
+  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
+  clocks dividers */
+  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+}
+/**
+  * @brief This function return a random seed
+  * @note based on the device unique ID
+  * @param None
+  * @retval see
+  */
+uint32_t HW_GetRandomSeed( void )
+{
+  return ( ( *( uint32_t* )ID1 ) ^ ( *( uint32_t* )ID2 ) ^ ( *( uint32_t* )ID3 ) );
+}
+
+/**
+  * @brief This function return a unique ID
+  * @param unique ID
+  * @retval none
+  */
+void HW_GetUniqueId( uint8_t *id )
+{
+    id[7] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 24;
+    id[6] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 16;
+    id[5] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) ) >> 8;
+    id[4] = ( ( *( uint32_t* )ID1 )+ ( *( uint32_t* )ID3 ) );
+    id[3] = ( ( *( uint32_t* )ID2 ) ) >> 24;
+    id[2] = ( ( *( uint32_t* )ID2 ) ) >> 16;
+    id[1] = ( ( *( uint32_t* )ID2 ) ) >> 8;
+    id[0] = ( ( *( uint32_t* )ID2 ) );
+}
+
+
+/**
+  * @brief Enters Low Power Stop Mode
+  * @note ARM exists the function when waking up
+  * @param none
+  * @retval none
+  */
+void HW_EnterStopMode( void)
+{
+  BACKUP_PRIMASK();
+
+  DISABLE_IRQ( );
+
+  HW_IoDeInit( );
+  
+  /*clear wake up flag*/
+  SET_BIT(PWR->CR, PWR_CR_CWUF);
+  
+  RESTORE_PRIMASK( );
+
+  /* Enter Stop Mode */
+  HAL_PWR_EnterSTOPMode ( PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI );
+}
+/**
+  * @brief Exists Low Power Stop Mode
+  * @note Enable the pll at 32MHz
+  * @param none
+  * @retval none
+  */
+void HW_ExitStopMode( void)
+{
+  /* Disable IRQ while the MCU is not running on HSI */
+
+  BACKUP_PRIMASK();
+  
+  DISABLE_IRQ( );
+
+  /* After wake-up from STOP reconfigure the system clock */
+  /* Enable HSI */
+  __HAL_RCC_HSI_ENABLE();
+
+  /* Wait till HSI is ready */
+  while( __HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET ) {}
+  
+  /* Enable PLL */
+  __HAL_RCC_PLL_ENABLE();
+  /* Wait till PLL is ready */
+  while( __HAL_RCC_GET_FLAG( RCC_FLAG_PLLRDY ) == RESET ) {}
+  
+  /* Select PLL as system clock source */
+  __HAL_RCC_SYSCLK_CONFIG ( RCC_SYSCLKSOURCE_PLLCLK );
+  
+  /* Wait till PLL is used as system clock source */ 
+  while( __HAL_RCC_GET_SYSCLK_SOURCE( ) != RCC_SYSCLKSOURCE_STATUS_PLLCLK ) {}
+    
+  /*initilizes the peripherals*/
+  HW_IoInit( );
+
+  RESTORE_PRIMASK( );
+}
+
+/**
+  * @brief Enters Low Power Sleep Mode
+  * @note ARM exits the function when waking up
+  * @param none
+  * @retval none
+  */
+void HW_EnterSleepMode( void)
+{
+    HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/Src/stm32l0xx_it.c b/Src/stm32l0xx_it.c
old mode 100644
new mode 100755
index 63ff080..ff0e2d9
--- a/Src/stm32l0xx_it.c
+++ b/Src/stm32l0xx_it.c
@@ -1,99 +1,257 @@
-/**
-  ******************************************************************************
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: Bleeper board GPIO driver implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+ /******************************************************************************
   * @file    stm32l0xx_it.c
-  * @brief   Interrupt Service Routines.
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   manages interupt
   ******************************************************************************
+  * @attention
   *
-  * COPYRIGHT(c) 2017 STMicroelectronics
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
   *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
   *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   ******************************************************************************
   */
+
 /* Includes ------------------------------------------------------------------*/
-#include "stm32l0xx_hal.h"
-#include "stm32l0xx.h"
+#include "hw.h"
 #include "stm32l0xx_it.h"
+#include "low_power.h"
 
-/* USER CODE BEGIN 0 */
+/** @addtogroup STM32L1xx_HAL_Examples
+  * @{
+  */
 
-/* USER CODE END 0 */
+/** @addtogroup SPI_FullDuplex_ComPolling
+  * @{
+  */
 
-/* External variables --------------------------------------------------------*/
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
 
 /******************************************************************************/
-/*            Cortex-M0+ Processor Interruption and Exception Handlers         */ 
+/*            Cortex-M3 Processor Exceptions Handlers                         */
 /******************************************************************************/
 
 /**
-* @brief This function handles System service call via SWI instruction.
-*/
-void SVC_Handler(void)
+  * @brief   This function handles NMI exception.
+  * @param  None
+  * @retval None
+  */
+
+void NMI_Handler(void)
 {
-  /* USER CODE BEGIN SVC_IRQn 0 */
+}
+
 
-  /* USER CODE END SVC_IRQn 0 */
-  /* USER CODE BEGIN SVC_IRQn 1 */
+/**
+  * @brief  This function handles Hard Fault exception.
+  * @param  None
+  * @retval None
+  */
+
+
+void HardFault_Handler(void)
+{
+  while(1)
+  {
+    __NOP();
+  }
 
-  /* USER CODE END SVC_IRQn 1 */
 }
 
+
 /**
-* @brief This function handles Pendable request for system service.
-*/
-void PendSV_Handler(void)
+  * @brief  This function handles Memory Manage exception.
+  * @param  None
+  * @retval None
+  */
+void MemManage_Handler(void)
 {
-  /* USER CODE BEGIN PendSV_IRQn 0 */
+  /* Go to infinite loop when Memory Manage exception occurs */
+  while (1)
+  {
+  }
+}
 
-  /* USER CODE END PendSV_IRQn 0 */
-  /* USER CODE BEGIN PendSV_IRQn 1 */
+/**
+  * @brief  This function handles Bus Fault exception.
+  * @param  None
+  * @retval None
+  */
+void BusFault_Handler(void)
+{
+  /* Go to infinite loop when Bus Fault exception occurs */
+  while (1)
+  {
+  }
+}
 
-  /* USER CODE END PendSV_IRQn 1 */
+/**
+  * @brief  This function handles Usage Fault exception.
+  * @param  None
+  * @retval None
+  */
+void UsageFault_Handler(void)
+{
+  /* Go to infinite loop when Usage Fault exception occurs */
+  while (1)
+  {
+  }
 }
 
 /**
-* @brief This function handles System tick timer.
-*/
-void SysTick_Handler(void)
+  * @brief  This function handles SVCall exception.
+  * @param  None
+  * @retval None
+  */
+void SVC_Handler(void)
 {
-  /* USER CODE BEGIN SysTick_IRQn 0 */
+}
 
-  /* USER CODE END SysTick_IRQn 0 */
-  HAL_IncTick();
-  HAL_SYSTICK_IRQHandler();
-  /* USER CODE BEGIN SysTick_IRQn 1 */
+/**
+  * @brief  This function handles Debug Monitor exception.
+  * @param  None
+  * @retval None
+  */
+void DebugMon_Handler(void)
+{
+}
 
-  /* USER CODE END SysTick_IRQn 1 */
+/**
+  * @brief  This function handles PendSVC exception.
+  * @param  None
+  * @retval None
+  */
+void PendSV_Handler(void)
+{
+}
+
+/**
+  * @brief  This function handles SysTick Handler.
+  * @param  None
+  * @retval None
+  */
+void SysTick_Handler(void)
+{
+  HAL_IncTick();
 }
 
 /******************************************************************************/
-/* STM32L0xx Peripheral Interrupt Handlers                                    */
-/* Add here the Interrupt Handlers for the used peripherals.                  */
-/* For the available peripheral interrupt handler names,                      */
-/* please refer to the startup file (startup_stm32l0xx.s).                    */
+/*                 STM32L1xx Peripherals Interrupt Handlers                   */
+/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
+/*  available peripheral interrupt handler's name please refer to the startup */
+/*  file (startup_stm32l1xx.s).                                               */
 /******************************************************************************/
 
-/* USER CODE BEGIN 1 */
+/**
+  * @brief  This function handles PPP interrupt request.
+  * @param  None
+  * @retval None
+  */
+/*void PPP_IRQHandler(void)
+{
+}*/
+
+void USART2_IRQHandler( void )
+{
+   vcom_Print( );
+}
+
+void RTC_IRQHandler( void )
+{
+  HW_RTC_IrqHandler ( );
+}
+
+void EXTI0_1_IRQHandler( void )
+{
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_0 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_1 );
+}
+
+void EXTI2_3_IRQHandler( void )
+{
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_2 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_3 );
+}
+
+
+void EXTI4_15_IRQHandler( void )
+{
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_4 );
+  
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_5 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_6 );
+  
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_7 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_8 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_9 );
+  
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_10 );
+  
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_11 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_12 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_13 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_14 );
+
+  HAL_GPIO_EXTI_IRQHandler( GPIO_PIN_15 );
+}
 
-/* USER CODE END 1 */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/system.tmp b/Src/system.tmp
deleted file mode 100644
index 753c729..0000000
--- a/Src/system.tmp
+++ /dev/null
@@ -1,13 +0,0 @@
-#n
-#t__HAL_RCC_SYSCFG_CLK_ENABLE();
-#t__HAL_RCC_PWR_CLK_ENABLE();
-#n
-#t/* System interrupt init*/
-#t/* SVC_IRQn interrupt configuration */
-#tNVIC_SetPriority(SVC_IRQn, 0);
-#t/* PendSV_IRQn interrupt configuration */
-#tNVIC_SetPriority(PendSV_IRQn, 0);
-#t/* SysTick_IRQn interrupt configuration */
-#tNVIC_SetPriority(SysTick_IRQn, 0);
-#n
-#n
diff --git a/Src/vcom.c b/Src/vcom.c
new file mode 100755
index 0000000..a8f2cbc
--- /dev/null
+++ b/Src/vcom.c
@@ -0,0 +1,262 @@
+ /******************************************************************************
+  * @file    vcom.c
+  * @author  MCD Application Team
+  * @version V1.1.2
+  * @date    08-September-2017
+  * @brief   manages virtual com port
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
+  * All rights reserved.</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without 
+  * modification, are permitted, provided that the following conditions are met:
+  *
+  * 1. Redistribution of source code must retain the above copyright notice, 
+  *    this list of conditions and the following disclaimer.
+  * 2. Redistributions in binary form must reproduce the above copyright notice,
+  *    this list of conditions and the following disclaimer in the documentation
+  *    and/or other materials provided with the distribution.
+  * 3. Neither the name of STMicroelectronics nor the names of other 
+  *    contributors to this software may be used to endorse or promote products 
+  *    derived from this software without specific written permission.
+  * 4. This software, including modifications and/or derivative works of this 
+  *    software, must execute solely and exclusively on microcontroller or
+  *    microprocessor devices manufactured by or for STMicroelectronics.
+  * 5. Redistribution and use of this software other than as permitted under 
+  *    this license is void and will automatically terminate your rights under 
+  *    this license. 
+  *
+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" 
+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT 
+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT 
+  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
+  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
+  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+  
+#include "hw.h"
+#include "vcom.h"
+#include <stdarg.h>
+
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define BUFSIZE 256
+#define USARTX_IRQn USART2_IRQn
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+/* buffer */
+static char buff[BUFSIZE];
+/* buffer write index*/
+__IO uint16_t iw=0;
+/* buffer read index*/
+static uint16_t ir=0;
+/* Uart Handle */
+static UART_HandleTypeDef UartHandle;
+
+/* Private function prototypes -----------------------------------------------*/
+/* Functions Definition ------------------------------------------------------*/
+
+void vcom_Init(void)
+{
+  /*## Configure the UART peripheral ######################################*/
+  /* Put the USART peripheral in the Asynchronous mode (UART Mode) */
+  /* UART1 configured as follow:
+      - Word Length = 8 Bits
+      - Stop Bit = One Stop bit
+      - Parity = ODD parity
+      - BaudRate = 921600 baud
+      - Hardware flow control disabled (RTS and CTS signals) */
+  UartHandle.Instance        = USARTX;
+  
+  UartHandle.Init.BaudRate   = 115200;
+  UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
+  UartHandle.Init.StopBits   = UART_STOPBITS_1;
+  UartHandle.Init.Parity     = UART_PARITY_NONE;
+  UartHandle.Init.HwFlowCtl  = UART_HWCONTROL_NONE;
+  UartHandle.Init.Mode       = UART_MODE_TX_RX;
+  
+  if(HAL_UART_Init(&UartHandle) != HAL_OK)
+  {
+    /* Initialization Error */
+    Error_Handler(); 
+  }
+  
+  HAL_NVIC_SetPriority(USARTX_IRQn, 0x1, 0);
+  HAL_NVIC_EnableIRQ(USARTX_IRQn);
+}
+
+
+void vcom_DeInit(void)
+{
+#if 1
+  HAL_UART_DeInit(&UartHandle);
+#endif
+}
+
+void vcom_Send( char *format, ... )
+{
+  va_list args;
+  va_start(args, format);
+  uint8_t len;
+  uint8_t lenTop;
+  char tempBuff[128];
+  
+  BACKUP_PRIMASK();
+  DISABLE_IRQ();
+  
+  /*convert into string at buff[0] of length iw*/
+  len = vsprintf(&tempBuff[0], format, args);
+  
+  if (iw+len<BUFSIZE)
+  {
+    memcpy( &buff[iw], &tempBuff[0], len);
+    iw+=len;
+  }
+  else
+  {
+    lenTop=BUFSIZE-iw;
+    memcpy( &buff[iw], &tempBuff[0], lenTop);
+    len-=lenTop;
+    memcpy( &buff[0], &tempBuff[lenTop], len);
+    iw = len;
+  }
+  RESTORE_PRIMASK();
+  
+  HAL_NVIC_SetPendingIRQ(USARTX_IRQn);
+    
+  va_end(args);
+}
+
+/* modifes only ir*/
+void vcom_Print( void)
+{
+  char* CurChar;
+  while( ( (iw+BUFSIZE-ir)%BUFSIZE) >0 )
+  {
+    BACKUP_PRIMASK();
+    DISABLE_IRQ();
+    
+    CurChar = &buff[ir];
+    ir= (ir+1) %BUFSIZE;
+    
+    RESTORE_PRIMASK();
+    
+    HAL_UART_Transmit(&UartHandle,(uint8_t *) CurChar, 1, 300);    
+  }
+  HAL_NVIC_ClearPendingIRQ(USARTX_IRQn);
+}
+
+void vcom_Send_Lp( char *format, ... )
+{
+  va_list args;
+  va_start(args, format);
+  uint8_t len;
+  uint8_t lenTop;
+  char tempBuff[128];
+  
+  BACKUP_PRIMASK();
+  DISABLE_IRQ();
+  
+  /*convert into string at buff[0] of length iw*/
+  len = vsprintf(&tempBuff[0], format, args);
+  
+  if (iw+len<BUFSIZE)
+  {
+    memcpy( &buff[iw], &tempBuff[0], len);
+    iw+=len;
+  }
+  else
+  {
+    lenTop=BUFSIZE-iw;
+    memcpy( &buff[iw], &tempBuff[0], lenTop);
+    len-=lenTop;
+    memcpy( &buff[0], &tempBuff[lenTop], len);
+    iw = len;
+  }
+  RESTORE_PRIMASK();  
+  
+  va_end(args);
+}
+/**
+  * @brief UART MSP Initialization 
+  *        This function configures the hardware resources used in this example: 
+  *           - Peripheral's clock enable
+  *           - Peripheral's GPIO Configuration  
+  *           - NVIC configuration for UART interrupt request enable
+  * @param huart: UART handle pointer
+  * @retval None
+  */
+void HAL_UART_MspInit(UART_HandleTypeDef *huart)
+{
+  
+  /*##-1- Enable peripherals and GPIO Clocks #################################*/
+
+  /* Enable USART1 clock */
+  USARTX_CLK_ENABLE(); 
+  
+  /*##-2- Configure peripheral GPIO ##########################################*/  
+  vcom_IoInit( );
+}
+
+void vcom_IoInit(void)
+{
+  GPIO_InitTypeDef  GPIO_InitStruct={0};
+    /* Enable GPIO TX/RX clock */
+  USARTX_TX_GPIO_CLK_ENABLE();
+  USARTX_RX_GPIO_CLK_ENABLE();
+    /* UART TX GPIO pin configuration  */
+  GPIO_InitStruct.Pin       = USARTX_TX_PIN;
+  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull      = GPIO_PULLUP;
+  GPIO_InitStruct.Speed     = GPIO_SPEED_HIGH;
+  GPIO_InitStruct.Alternate = USARTX_TX_AF;
+
+  HAL_GPIO_Init(USARTX_TX_GPIO_PORT, &GPIO_InitStruct);
+
+  /* UART RX GPIO pin configuration  */
+  GPIO_InitStruct.Pin = USARTX_RX_PIN;
+  GPIO_InitStruct.Alternate = USARTX_RX_AF;
+
+  HAL_GPIO_Init(USARTX_RX_GPIO_PORT, &GPIO_InitStruct);
+}
+
+void vcom_IoDeInit(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure={0};
+  
+  USARTX_TX_GPIO_CLK_ENABLE();
+  USARTX_RX_GPIO_CLK_ENABLE();
+
+  GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
+  GPIO_InitStructure.Pull = GPIO_NOPULL;
+  
+  GPIO_InitStructure.Pin =  USARTX_TX_PIN ;
+  HAL_GPIO_Init(  USARTX_TX_GPIO_PORT, &GPIO_InitStructure );
+  
+  GPIO_InitStructure.Pin =  USARTX_RX_PIN ;
+  HAL_GPIO_Init(  USARTX_RX_GPIO_PORT, &GPIO_InitStructure ); 
+}
+
+/**
+  * @brief UART MSP DeInit
+  * @param huart: uart handle
+  * @retval None
+  */
+void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
+{
+  vcom_IoDeInit( );
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/gpio.c b/junk/gpio.c
similarity index 100%
rename from Src/gpio.c
rename to junk/gpio.c
diff --git a/Inc/gpio.h b/junk/gpio.h
similarity index 100%
rename from Inc/gpio.h
rename to junk/gpio.h
diff --git a/Src/i2c.c b/junk/i2c.c
similarity index 100%
rename from Src/i2c.c
rename to junk/i2c.c
diff --git a/Inc/i2c.h b/junk/i2c.h
similarity index 100%
rename from Inc/i2c.h
rename to junk/i2c.h
diff --git a/junk/main.c b/junk/main.c
new file mode 100644
index 0000000..1e76d31
--- /dev/null
+++ b/junk/main.c
@@ -0,0 +1,231 @@
+/**
+  ******************************************************************************
+  * File Name          : main.c
+  * Description        : Main program body
+  ******************************************************************************
+  ** This notice applies to any and all portions of this file
+  * that are not between comment pairs USER CODE BEGIN and
+  * USER CODE END. Other portions of this file, whether 
+  * inserted by the user or by software development tools
+  * are owned by their respective copyright owners.
+  *
+  * COPYRIGHT(c) 2017 STMicroelectronics
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+#include "stm32l0xx_hal.h"
+#include "i2c.h"
+#include "rtc.h"
+#include "spi.h"
+#include "usart.h"
+#include "gpio.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+
+/* USER CODE BEGIN PFP */
+/* Private function prototypes -----------------------------------------------*/
+
+/* USER CODE END PFP */
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+int main(void)
+{
+
+  /* USER CODE BEGIN 1 */
+
+  /* USER CODE END 1 */
+
+  /* MCU Configuration----------------------------------------------------------*/
+
+  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+  HAL_Init();
+
+  /* USER CODE BEGIN Init */
+
+  /* USER CODE END Init */
+
+  /* Configure the system clock */
+  SystemClock_Config();
+
+  /* USER CODE BEGIN SysInit */
+
+  /* USER CODE END SysInit */
+
+  /* Initialize all configured peripherals */
+  MX_GPIO_Init();
+  MX_I2C1_Init();
+  MX_SPI1_Init();
+  MX_USART1_UART_Init();
+  MX_USART2_UART_Init();
+  MX_RTC_Init();
+
+  /* USER CODE BEGIN 2 */
+
+  /* USER CODE END 2 */
+
+  /* Infinite loop */
+  /* USER CODE BEGIN WHILE */
+  while (1)
+  {
+  /* USER CODE END WHILE */
+
+  /* USER CODE BEGIN 3 */
+
+  }
+  /* USER CODE END 3 */
+
+}
+
+/** System Clock Configuration
+*/
+void SystemClock_Config(void)
+{
+
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+  RCC_ClkInitTypeDef RCC_ClkInitStruct;
+  RCC_PeriphCLKInitTypeDef PeriphClkInit;
+
+    /**Configure the main internal regulator output voltage 
+    */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+    /**Initializes the CPU, AHB and APB busses clocks 
+    */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+  RCC_OscInitStruct.HSICalibrationValue = 16;
+  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_3;
+  RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+  {
+    _Error_Handler(__FILE__, __LINE__);
+  }
+
+    /**Initializes the CPU, AHB and APB busses clocks 
+    */
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
+                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
+  {
+    _Error_Handler(__FILE__, __LINE__);
+  }
+
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_USART2
+                              |RCC_PERIPHCLK_I2C1|RCC_PERIPHCLK_RTC;
+  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
+  PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
+  PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
+  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+  {
+    _Error_Handler(__FILE__, __LINE__);
+  }
+
+    /**Configure the Systick interrupt time 
+    */
+  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
+
+    /**Configure the Systick 
+    */
+  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
+
+  /* SysTick_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+}
+
+/* USER CODE BEGIN 4 */
+
+/* USER CODE END 4 */
+
+/**
+  * @brief  This function is executed in case of error occurrence.
+  * @param  None
+  * @retval None
+  */
+void _Error_Handler(char * file, int line)
+{
+  /* USER CODE BEGIN Error_Handler_Debug */
+  /* User can add his own implementation to report the HAL error return state */
+  while(1) 
+  {
+  }
+  /* USER CODE END Error_Handler_Debug */ 
+}
+
+#ifdef USE_FULL_ASSERT
+
+/**
+   * @brief Reports the name of the source file and the source line number
+   * where the assert_param error has occurred.
+   * @param file: pointer to the source file name
+   * @param line: assert_param error line source number
+   * @retval None
+   */
+void assert_failed(uint8_t* file, uint32_t line)
+{
+  /* USER CODE BEGIN 6 */
+  /* User can add his own implementation to report the file name and line number,
+    ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+  /* USER CODE END 6 */
+
+}
+
+#endif
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+*/ 
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/rtc.c b/junk/rtc.c
similarity index 100%
rename from Src/rtc.c
rename to junk/rtc.c
diff --git a/Inc/rtc.h b/junk/rtc.h
similarity index 100%
rename from Inc/rtc.h
rename to junk/rtc.h
diff --git a/Src/spi.c b/junk/spi.c
similarity index 100%
rename from Src/spi.c
rename to junk/spi.c
diff --git a/Inc/spi.h b/junk/spi.h
similarity index 100%
rename from Inc/spi.h
rename to junk/spi.h
diff --git a/junk/stm32l0xx_hal_conf.h b/junk/stm32l0xx_hal_conf.h
new file mode 100644
index 0000000..50600da
--- /dev/null
+++ b/junk/stm32l0xx_hal_conf.h
@@ -0,0 +1,311 @@
+/**
+  ******************************************************************************
+  * @file    stm32l0xx_hal_conf.h
+  * @brief   HAL configuration file.             
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L0xx_HAL_CONF_H
+#define __STM32L0xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include "main.h"
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+  * @brief This is the list of modules to be used in the HAL driver 
+  */
+
+#define HAL_MODULE_ENABLED  
+/*#define HAL_ADC_MODULE_ENABLED   */
+/*#define HAL_CRYP_MODULE_ENABLED   */
+/*#define HAL_COMP_MODULE_ENABLED   */
+/*#define HAL_CRC_MODULE_ENABLED   */
+/*#define HAL_CRYP_MODULE_ENABLED   */
+/*#define HAL_DAC_MODULE_ENABLED   */
+/*#define HAL_FIREWALL_MODULE_ENABLED   */
+/*#define HAL_I2S_MODULE_ENABLED   */
+/*#define HAL_IWDG_MODULE_ENABLED   */
+/*#define HAL_LCD_MODULE_ENABLED   */
+/*#define HAL_LPTIM_MODULE_ENABLED   */
+/*#define HAL_RNG_MODULE_ENABLED   */
+#define HAL_RTC_MODULE_ENABLED
+#define HAL_SPI_MODULE_ENABLED
+/*#define HAL_TIM_MODULE_ENABLED   */
+/*#define HAL_TSC_MODULE_ENABLED   */
+#define HAL_UART_MODULE_ENABLED
+/*#define HAL_USART_MODULE_ENABLED   */
+/*#define HAL_IRDA_MODULE_ENABLED   */
+/*#define HAL_SMARTCARD_MODULE_ENABLED   */
+/*#define HAL_SMBUS_MODULE_ENABLED   */
+/*#define HAL_WWDG_MODULE_ENABLED   */
+/*#define HAL_PCD_MODULE_ENABLED   */
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_I2C_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+
+/* ########################## Oscillator Values adaptation ####################*/
+/**
+  * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSE is used as system clock source, directly or through the PLL).  
+  */
+#if !defined  (HSE_VALUE) 
+  #define HSE_VALUE    ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined  (HSE_STARTUP_TIMEOUT)
+  #define HSE_STARTUP_TIMEOUT    ((uint32_t)100U)   /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief Internal Multiple Speed oscillator (MSI) default value.
+  *        This value is the default MSI range value after Reset.
+  */
+#if !defined  (MSI_VALUE)
+  #define MSI_VALUE    ((uint32_t)2097000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* MSI_VALUE */
+   
+/**
+  * @brief Internal High Speed oscillator (HSI) value.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSI is used as system clock source, directly or through the PLL). 
+  */
+#if !defined  (HSI_VALUE)
+  #define HSI_VALUE    ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+  * @brief Internal High Speed oscillator for USB (HSI48) value.
+  */
+#if !defined  (HSI48_VALUE) 
+#define HSI48_VALUE ((uint32_t)48000000U) /*!< Value of the Internal High Speed oscillator for USB in Hz.
+                                             The real value may vary depending on the variations
+                                             in voltage and temperature.  */
+#endif /* HSI48_VALUE */
+
+/**
+  * @brief Internal Low Speed oscillator (LSI) value.
+  */
+#if !defined  (LSI_VALUE) 
+ #define LSI_VALUE  ((uint32_t)37000U)       /*!< LSI Typical Value in Hz*/
+#endif /* LSI_VALUE */                      /*!< Value of the Internal Low Speed oscillator in Hz
+                                             The real value may vary depending on the variations
+                                             in voltage and temperature.*/   
+/**
+  * @brief External Low Speed oscillator (LSE) value.
+  *        This value is used by the UART, RTC HAL module to compute the system frequency
+  */
+#if !defined  (LSE_VALUE)
+  #define LSE_VALUE    ((uint32_t)32768U) /*!< Value of the External oscillator in Hz*/
+#endif /* LSE_VALUE */
+
+#if !defined  (LSE_STARTUP_TIMEOUT)
+  #define LSE_STARTUP_TIMEOUT  ((uint32_t)5000U)   /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+   ===  you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+  * @brief This is the HAL system configuration section
+  */     
+#define  VDD_VALUE                    ((uint32_t)3300U) /*!< Value of VDD in mv */           
+#define  TICK_INT_PRIORITY            ((uint32_t)0U)    /*!< tick interrupt priority */            
+#define  USE_RTOS                     0U     
+#define  PREFETCH_ENABLE              0U              
+#define  PREREAD_ENABLE               1U
+#define  BUFFER_CACHE_DISABLE         0U
+
+/* ########################## Assert Selection ############################## */
+/**
+  * @brief Uncomment the line below to expanse the "assert_param" macro in the 
+  *        HAL drivers code
+  */
+/* #define USE_FULL_ASSERT    1U */
+
+/* Includes ------------------------------------------------------------------*/
+/**
+  * @brief Include module's header file 
+  */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+  #include "stm32l0xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+  #include "stm32l0xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+  #include "stm32l0xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+   
+#ifdef HAL_CORTEX_MODULE_ENABLED
+  #include "stm32l0xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+  #include "stm32l0xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_COMP_MODULE_ENABLED
+  #include "stm32l0xx_hal_comp.h"
+#endif /* HAL_COMP_MODULE_ENABLED */
+   
+#ifdef HAL_CRC_MODULE_ENABLED
+  #include "stm32l0xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+  #include "stm32l0xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+  #include "stm32l0xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_FIREWALL_MODULE_ENABLED
+  #include "stm32l0xx_hal_firewall.h"
+#endif /* HAL_FIREWALL_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+  #include "stm32l0xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+ 
+#ifdef HAL_I2C_MODULE_ENABLED
+ #include "stm32l0xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+ #include "stm32l0xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+ #include "stm32l0xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LCD_MODULE_ENABLED
+ #include "stm32l0xx_hal_lcd.h"
+#endif /* HAL_LCD_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+#include "stm32l0xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+   
+#ifdef HAL_PWR_MODULE_ENABLED
+ #include "stm32l0xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+ #include "stm32l0xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+ #include "stm32l0xx_hal_rtc.h"
+
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ #include "stm32l0xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+ #include "stm32l0xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_TSC_MODULE_ENABLED
+ #include "stm32l0xx_hal_tsc.h"
+#endif /* HAL_TSC_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+ #include "stm32l0xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+ #include "stm32l0xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+ #include "stm32l0xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+ #include "stm32l0xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+ #include "stm32l0xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+ #include "stm32l0xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+ #include "stm32l0xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef  USE_FULL_ASSERT
+/**
+  * @brief  The assert_param macro is used for function's parameters check.
+  * @param  expr: If expr is false, it calls assert_failed function
+  *         which reports the name of the source file and the source
+  *         line number of the call that failed. 
+  *         If expr is true, it returns no value.
+  * @retval None
+  */
+  #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+  void assert_failed(uint8_t* file, uint32_t line);
+#else
+  #define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L0xx_HAL_CONF_H */
+ 
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/license.tmp b/junk/stm32l0xx_hal_msp.c-mx
similarity index 58%
rename from Src/license.tmp
rename to junk/stm32l0xx_hal_msp.c-mx
index b1e2416..79aac7b 100644
--- a/Src/license.tmp
+++ b/junk/stm32l0xx_hal_msp.c-mx
@@ -1,3 +1,9 @@
+/**
+  ******************************************************************************
+  * File Name          : stm32l0xx_hal_msp.c
+  * Description        : This file provides code for the MSP Initialization 
+  *                      and de-Initialization codes.
+  ******************************************************************************
   ** This notice applies to any and all portions of this file
   * that are not between comment pairs USER CODE BEGIN and
   * USER CODE END. Other portions of this file, whether 
@@ -28,3 +34,50 @@
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
+  ******************************************************************************
+  */
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal.h"
+
+extern void _Error_Handler(char *, int);
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+/**
+  * Initializes the Global MSP.
+  */
+void HAL_MspInit(void)
+{
+  /* USER CODE BEGIN MspInit 0 */
+
+  /* USER CODE END MspInit 0 */
+
+  __HAL_RCC_SYSCFG_CLK_ENABLE();
+  __HAL_RCC_PWR_CLK_ENABLE();
+
+  /* System interrupt init*/
+  /* SVC_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(SVC_IRQn, 0, 0);
+  /* PendSV_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(PendSV_IRQn, 0, 0);
+  /* SysTick_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+
+  /* USER CODE BEGIN MspInit 1 */
+
+  /* USER CODE END MspInit 1 */
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/junk/stm32l0xx_it.c-mx b/junk/stm32l0xx_it.c-mx
new file mode 100644
index 0000000..63ff080
--- /dev/null
+++ b/junk/stm32l0xx_it.c-mx
@@ -0,0 +1,99 @@
+/**
+  ******************************************************************************
+  * @file    stm32l0xx_it.c
+  * @brief   Interrupt Service Routines.
+  ******************************************************************************
+  *
+  * COPYRIGHT(c) 2017 STMicroelectronics
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal.h"
+#include "stm32l0xx.h"
+#include "stm32l0xx_it.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/* External variables --------------------------------------------------------*/
+
+/******************************************************************************/
+/*            Cortex-M0+ Processor Interruption and Exception Handlers         */ 
+/******************************************************************************/
+
+/**
+* @brief This function handles System service call via SWI instruction.
+*/
+void SVC_Handler(void)
+{
+  /* USER CODE BEGIN SVC_IRQn 0 */
+
+  /* USER CODE END SVC_IRQn 0 */
+  /* USER CODE BEGIN SVC_IRQn 1 */
+
+  /* USER CODE END SVC_IRQn 1 */
+}
+
+/**
+* @brief This function handles Pendable request for system service.
+*/
+void PendSV_Handler(void)
+{
+  /* USER CODE BEGIN PendSV_IRQn 0 */
+
+  /* USER CODE END PendSV_IRQn 0 */
+  /* USER CODE BEGIN PendSV_IRQn 1 */
+
+  /* USER CODE END PendSV_IRQn 1 */
+}
+
+/**
+* @brief This function handles System tick timer.
+*/
+void SysTick_Handler(void)
+{
+  /* USER CODE BEGIN SysTick_IRQn 0 */
+
+  /* USER CODE END SysTick_IRQn 0 */
+  HAL_IncTick();
+  HAL_SYSTICK_IRQHandler();
+  /* USER CODE BEGIN SysTick_IRQn 1 */
+
+  /* USER CODE END SysTick_IRQn 1 */
+}
+
+/******************************************************************************/
+/* STM32L0xx Peripheral Interrupt Handlers                                    */
+/* Add here the Interrupt Handlers for the used peripherals.                  */
+/* For the available peripheral interrupt handler names,                      */
+/* please refer to the startup file (startup_stm32l0xx.s).                    */
+/******************************************************************************/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/junk/stm32l0xx_it.h b/junk/stm32l0xx_it.h
new file mode 100644
index 0000000..c70422a
--- /dev/null
+++ b/junk/stm32l0xx_it.h
@@ -0,0 +1,60 @@
+/**
+  ******************************************************************************
+  * @file    stm32l0xx_it.h
+  * @brief   This file contains the headers of the interrupt handlers.
+  ******************************************************************************
+  *
+  * COPYRIGHT(c) 2017 STMicroelectronics
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L0xx_IT_H
+#define __STM32L0xx_IT_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal.h"
+#include "main.h"
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+void SVC_Handler(void);
+void PendSV_Handler(void);
+void SysTick_Handler(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L0xx_IT_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Src/system_stm32l0xx.c b/junk/system_stm32l0xx.c-
similarity index 100%
rename from Src/system_stm32l0xx.c
rename to junk/system_stm32l0xx.c-
diff --git a/Src/usart.c b/junk/usart.c
similarity index 100%
rename from Src/usart.c
rename to junk/usart.c
diff --git a/Inc/usart.h b/junk/usart.h
similarity index 100%
rename from Inc/usart.h
rename to junk/usart.h