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224 lines
7.7 KiB
224 lines
7.7 KiB
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/******************************************************************************
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* @file stm32l0xx_hal_msp.c
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* @author MCD Application Team
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* @version V1.1.2
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* @date 08-September-2017
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* @brief msp file for HAL
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V.
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* All rights reserved.</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "hw.h"
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#include "low_power.h"
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#include "delay.h"
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#include "timeServer.h"
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/* when fast wake up is enabled, the mcu wakes up in ~20us * and
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* does not wait for the VREFINT to be settled. THis is ok for
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* most of the case except when adc must be used in this case before
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*starting the adc, you must make sure VREFINT is settled*/
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#define ENABLE_FAST_WAKEUP
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief This function configures the source of the time base.
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* @brief don't enable systick
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* @param TickPriority: Tick interrupt priority.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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{
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/* Return function status */
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return HAL_OK;
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}
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/**
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* @brief This function provides delay (in ms)
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* @param Delay: specifies the delay time length, in milliseconds.
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* @retval None
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*/
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void HAL_Delay(__IO uint32_t Delay)
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{
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DelayMs( Delay ); /* based on RTC */
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}
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/**
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* @brief Initializes the MSP.
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* @retval None
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*/
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void HAL_MspInit(void)
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{
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__HAL_RCC_PWR_CLK_ENABLE();
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/* Disable the Power Voltage Detector */
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HAL_PWR_DisablePVD( );
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/* Enables the Ultra Low Power mode */
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HAL_PWREx_EnableUltraLowPower( );
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__HAL_FLASH_SLEEP_POWERDOWN_ENABLE();
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/*In debug mode, e.g. when DBGMCU is activated, Arm core has always clocks
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* And will not wait that the FLACH is ready to be read. It can miss in this
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* case the first instruction. To overcome this issue, the flash remain clcoked during sleep mode
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*/
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DBG( __HAL_FLASH_SLEEP_POWERDOWN_DISABLE(); );
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#ifdef ENABLE_FAST_WAKEUP
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/*Enable fast wakeUp*/
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HAL_PWREx_EnableFastWakeUp( );
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#else
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HAL_PWREx_DisableFastWakeUp( );
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#endif
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}
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/**
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* @brief RTC MSP Initialization
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* This function configures the hardware resources used in this example:
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* - Peripheral's clock enable
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* @param hrtc: RTC handle pointer
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* @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
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* the RTC clock source; in this case the Backup domain will be reset in
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* order to modify the RTC Clock source, as consequence RTC registers (including
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* the backup registers) and RCC_CSR register are set to their reset values.
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* @retval None
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*/
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void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
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/*##-1- Configue the RTC clock soucre ######################################*/
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/* -a- Enable LSE Oscillator */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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RCC_OscInitStruct.LSEState = RCC_LSE_ON;
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if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/* -b- Select LSI as RTC clock source */
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
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PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
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if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/*##-2- Enable the RTC peripheral Clock ####################################*/
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/* Enable RTC Clock */
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__HAL_RCC_RTC_ENABLE();
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/*##-3- Configure the NVIC for RTC Alarm ###################################*/
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HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0x0, 0);
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HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
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}
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/**
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* @brief RTC MSP De-Initialization
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* This function freeze the hardware resources used in this example:
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* - Disable the Peripheral's clock
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* @param hrtc: RTC handle pointer
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* @retval None
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*/
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void HAL_RTC_MspDeInit(RTC_HandleTypeDef *hrtc)
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{
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/* Reset peripherals */
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__HAL_RCC_RTC_DISABLE();
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}
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/**
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* @brief Alarm A callback.
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* @param hrtc: RTC handle
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* @retval None
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*/
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void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)
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{
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TimerIrqHandler( );
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}
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/**
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* @brief EXTI line detection callbacks.
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* @param GPIO_Pin: Specifies the pins connected to the EXTI line.
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* @retval None
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*/
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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HW_GPIO_IrqHandler( GPIO_Pin );
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}
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/**
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* @brief Gets IRQ number as a function of the GPIO_Pin.
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* @param GPIO_Pin: Specifies the pins connected to the EXTI line.
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* @retval IRQ number
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*/
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IRQn_Type MSP_GetIRQn( uint16_t GPIO_Pin)
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{
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switch( GPIO_Pin )
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{
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case GPIO_PIN_0:
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case GPIO_PIN_1: return EXTI0_1_IRQn;
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case GPIO_PIN_2:
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case GPIO_PIN_3: return EXTI2_3_IRQn;
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case GPIO_PIN_4:
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case GPIO_PIN_5:
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case GPIO_PIN_6:
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case GPIO_PIN_7:
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case GPIO_PIN_8:
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case GPIO_PIN_9:
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case GPIO_PIN_10:
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case GPIO_PIN_11:
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case GPIO_PIN_12:
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case GPIO_PIN_13:
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case GPIO_PIN_14:
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case GPIO_PIN_15:
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default: return EXTI4_15_IRQn;
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}
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}
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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