Improved lib, color system, pin system.
This commit is contained in:
@@ -0,0 +1,158 @@
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MCU = atmega328p
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F_CPU = 16000000
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LFUSE = 0xFF
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HFUSE = 0xDE
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EFUSE = 0x05
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MAIN = main.c
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## If you've split your program into multiple files,
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## include the additional .c source (in same directory) here
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## (and include the .h files in your foo.c)
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LOCAL_SOURCE = lib/ws_driver.c
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## Here you can link to one more directory (and multiple .c files)
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# EXTRA_SOURCE_DIR = ../AVR-Programming-Library/
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EXTRA_SOURCE_DIR =
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EXTRA_SOURCE_FILES =
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##########------------------------------------------------------##########
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########## Programmer Defaults ##########
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########## Set up once, then forget about it ##########
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########## (Can override. See bottom of file.) ##########
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##########------------------------------------------------------##########
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#19200
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PROGRAMMER_TYPE = arduino
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PROGRAMMER_ARGS = -b 57600 -P /dev/ttyUSB0
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##########------------------------------------------------------##########
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########## Makefile Magic! ##########
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########## Summary: ##########
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########## We want a .hex file ##########
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########## Compile source files into .elf ##########
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########## Convert .elf file into .hex ##########
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########## You shouldn't need to edit below. ##########
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##########------------------------------------------------------##########
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## Defined programs / locations
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CC = avr-gcc
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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AVRSIZE = avr-size
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AVRDUDE = sudo avrdude
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## Compilation options, type man avr-gcc if you're curious.
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CFLAGS = -std=gnu99 -mmcu=$(MCU) -DF_CPU=$(F_CPU)UL -Os -I. -I$(EXTRA_SOURCE_DIR)
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CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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CFLAGS += -Wall -Wstrict-prototypes -Wno-main -Wno-strict-prototypes -Wno-comment
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CFLAGS += -g2 -ggdb
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CFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections -Wl,--relax
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CFLAGS += -std=gnu99
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# CFLAGS += -lm
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## CFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf
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## CFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf
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## Lump target and extra source files together
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TARGET = $(strip $(basename $(MAIN)))
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SRC = $(TARGET).c
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EXTRA_SOURCE = $(addprefix $(EXTRA_SOURCE_DIR), $(EXTRA_SOURCE_FILES))
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SRC += $(EXTRA_SOURCE)
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SRC += $(LOCAL_SOURCE)
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## List of all header files
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HEADERS = $(SRC:.c=.h)
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## For every .c file, compile an .o object file
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OBJ = $(SRC:.c=.o)
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## Generic Makefile targets. (Only .hex file is necessary)
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all: $(TARGET).hex size
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%.hex: %.elf
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$(OBJCOPY) -R .eeprom -O ihex $< $@
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%.elf: $(SRC)
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$(CC) $(CFLAGS) $(SRC) --output $@
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%.eeprom: %.elf
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
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debug:
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@echo
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@echo "Source files:" $(SRC)
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@echo "MCU, F_CPU, BAUD:" $(MCU), $(F_CPU), $(BAUD)
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@echo
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# Optionally create listing file from .elf
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# This creates approximate assembly-language equivalent of your code.
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# Useful for debugging time-sensitive bits,
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# or making sure the compiler does what you want.
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disassemble: $(TARGET).lst
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dis: disassemble
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eeprom: $(TARGET).eeprom
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%.lst: %.elf
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$(OBJDUMP) -S $< > $@
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# Optionally show how big the resulting program is
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size: $(TARGET).elf
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$(AVRSIZE) -C --mcu=$(MCU) $(TARGET).elf
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clean:
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rm -f $(TARGET).elf $(TARGET).hex $(TARGET).obj \
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$(TARGET).o $(TARGET).d $(TARGET).eep $(TARGET).lst \
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$(TARGET).lss $(TARGET).sym $(TARGET).map $(TARGET)~ \
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$(TARGET).eeprom
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squeaky_clean:
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rm -f *.elf *.hex *.obj *.o *.d *.eep *.lst *.lss *.sym *.map *~
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##########------------------------------------------------------##########
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########## Programmer-specific details ##########
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########## Flashing code to AVR using avrdude ##########
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##########------------------------------------------------------##########
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flash: $(TARGET).hex
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$<
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flash_eeprom: $(TARGET).eeprom
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$<
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terminal:
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
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flash_arduino: PROGRAMMER_TYPE = arduino
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flash_arduino: PROGRAMMER_ARGS =
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flash_arduino: flash
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flash_dragon_isp: PROGRAMMER_TYPE = dragon_isp
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flash_dragon_isp: PROGRAMMER_ARGS =
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flash_dragon_isp: flash
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##########------------------------------------------------------##########
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########## Fuse settings and suitable defaults ##########
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##########------------------------------------------------------##########
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## Generic
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FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
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fuses:
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) \
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$(PROGRAMMER_ARGS) $(FUSE_STRING)
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show_fuses:
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nv
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## Called with no extra definitions, sets to defaults
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set_default_fuses: FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
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set_default_fuses: fuses
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@@ -0,0 +1,13 @@
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WS2812B RGB LED strip driving code
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==================================
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This code is meant for 16MHz Arduino, but should work on any 16MHz AVR. It is in plain C, not the Arduino language.
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All you need is `ws_driver.c` and `ws_driver.h`, and `config.c` where you define the port / pin information.
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Connection
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----------
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Digital pin 8 on Arduino (PB0) is connected via a 200-500 R to WS2812B data input. In parallel to the LED strip is a 500-1000 uF capacitor that takes care of smoothening the power supply. Without the cap, the LEDs will flicker.
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It is recommended to use stronger power supply for the LED strip, a 30-led one takes around to 1A when fully powered.
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@@ -0,0 +1,16 @@
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#pragma once
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#include "lib/arduino_pins2.h"
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#define WSDATA_in D8_in
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#define WSDATA_out D8_out
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#define WSDATA_dir D8_dir
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#define WS_T_1H 700
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#define WS_T_1L 150
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#define WS_T_0H 150
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#define WS_T_0L 700
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#define WS_T_LATCH 6000
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# define DEBOUNCE_COUNT 63
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#define DEBOUNCE_SLOT_COUNT 4
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@@ -0,0 +1,22 @@
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#pragma once
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#include "lib/arduino_pins.h"
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#define PIN_LEFT PIN_D2
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#define DDR_LEFT DDR_D2
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#define PORT_LEFT PORT_D2
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#define LEFT D2
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#define PIN_RIGHT PIN_D3
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#define DDR_RIGHT DDR_D3
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#define PORT_RIGHT PORT_D3
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#define RIGHT D3
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#define PIN_UP PIN_D4
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#define DDR_UP DDR_D4
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#define PORT_UP PORT_D4
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#define UP D4
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#define PIN_DOWN PIN_D5
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#define DDR_DOWN DDR_D5
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#define PORT_DOWN PORT_D5
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#define DOWN D5
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+1
@@ -0,0 +1 @@
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/home/ondra/devel/avr/avr-projects/lib
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@@ -0,0 +1,89 @@
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <avr/pgmspace.h>
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#include <avr/cpufunc.h>
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#include <util/delay.h>
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#include <util/delay_basic.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <math.h>
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#include "lib/arduino_pins2.h"
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#include "lib/utils.h"
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#include "lib/ws_driver.h"
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#include "lib/debounce.h"
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#include "config.h"
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#include "gamepad_pins.h"
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void init_io() SECTION(".init8")
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{
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// WS2182B data pin as output
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set_bit(WS_dir, OUT);
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// enable pullups on input pins
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set_bit(LEFT_out);
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sbi(PORT_RIGHT, RIGHT);
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sbi(PORT_UP, UP);
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sbi(PORT_DOWN, DOWN);
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// init timer
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TCCR0A = _BV(WGM01); // CTC mode
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TCCR0B = _BV(CS02) | _BV(CS00); // prescaler 1024
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OCR0A = 250; // interrupt every 16 ms
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sbi(TIMSK0, OCIE0A); // enable interrupt from timer
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// set up debouncer
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debounce_register(0, &PIN)
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}
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/** timer 0 interrupt vector */
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ISR(TIM0_COMPA_vect)
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{
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debounce_tick();
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}
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typedef struct
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{
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uint8_t r,
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uint8_t g,
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uint8_t b,
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} color_t;
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#define RED {.r=0xFF, .g=0x00, .b=0x00}
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#define GREEN {.r=0xFF, .g=0x00, .b=0x00}
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#define BLUE {.r=0xFF, .g=0x00, .b=0x00}
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#define YELLOW {.r=0xFF, .g=0xFF, .b=0x00}
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#define MAGENTA {.r=0xFF, .g=0x00, .b=0xFF}
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#define CYAN {.r=0x00, .g=0xFF, .b=0xFF}
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#define BLACK {.r=0x00, .g=0x00, .b=0x00}
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#define WHITE {.r=0xFF, .g=0xFF, .b=0xFF}
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#define BULB_COUNT 4;
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color_t bulbs[BULB_COUNT];
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void show_lights()
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{
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for (uint8_t i = 0; i < BULB_COUNT; i++) {
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ws_send_rgb(bulbs[i].r, bulbs[i].g, bulbs[i].b);
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}
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ws_show();
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}
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void main()
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{
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while (1) {
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show_lights();
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}
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}
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