Added the projects
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@@ -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 =
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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 +1,91 @@
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#pragma once
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#include <avr/io.h>
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#define D0 0
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#define D1 1
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#define D2 2
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#define D3 3
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#define D4 4
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#define D5 5
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#define D6 6
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#define D7 7
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#define D8 0
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#define D9 1
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#define D10 2
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#define D11 3
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#define D12 4
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#define D13 5
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#define A0 0
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#define A1 1
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#define A2 2
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#define A3 3
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#define A4 4
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#define A5 5
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// port definitions
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#define PORT_D0 PORTD
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#define PORT_D1 PORTD
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#define PORT_D2 PORTD
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#define PORT_D3 PORTD
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#define PORT_D4 PORTD
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#define PORT_D5 PORTD
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#define PORT_D6 PORTD
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#define PORT_D7 PORTD
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#define PORT_D8 PORTB
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#define PORT_D9 PORTB
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#define PORT_D10 PORTB
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#define PORT_D11 PORTB
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#define PORT_D12 PORTB
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#define PORT_D13 PORTB
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#define PORT_A0 PORTC
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#define PORT_A1 PORTC
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#define PORT_A2 PORTC
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#define PORT_A3 PORTC
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#define PORT_A4 PORTC
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#define PORT_A5 PORTC
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#define PIN_D0 PIND
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#define PIN_D1 PIND
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#define PIN_D2 PIND
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#define PIN_D3 PIND
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#define PIN_D4 PIND
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#define PIN_D5 PIND
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#define PIN_D6 PIND
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#define PIN_D7 PIND
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#define PIN_D8 PINB
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#define PIN_D9 PINB
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#define PIN_D10 PINB
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#define PIN_D11 PINB
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#define PIN_D12 PINB
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#define PIN_D13 PINB
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#define PIN_A0 PINC
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#define PIN_A1 PINC
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#define PIN_A2 PINC
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#define PIN_A3 PINC
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#define PIN_A4 PINC
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#define PIN_A5 PINC
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#define DDR_D0 DDRD
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#define DDR_D1 DDRD
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#define DDR_D2 DDRD
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#define DDR_D3 DDRD
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#define DDR_D4 DDRD
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#define DDR_D5 DDRD
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#define DDR_D6 DDRD
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#define DDR_D7 DDRD
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#define DDR_D8 DDRB
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#define DDR_D9 DDRB
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#define DDR_D10 DDRB
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#define DDR_D11 DDRB
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#define DDR_D12 DDRB
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#define DDR_D13 DDRB
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#define DDR_A0 DDRC
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#define DDR_A1 DDRC
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#define DDR_A2 DDRC
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#define DDR_A3 DDRC
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#define DDR_A4 DDRC
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#define DDR_A5 DDRC
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#define OUT 1
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#define IN 0
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@@ -0,0 +1,114 @@
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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 "utils.h"
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#include "arduino_pins.h"
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#define WS_PORT PORT_D8
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#define WS_BIT D8
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#define WS_DDR DDR_D8
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#define ws_high() sbi(WS_PORT, WS_BIT)
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#define ws_low() cbi(WS_PORT, WS_BIT)
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#define T1H 800 // Width of a 1 bit in ns
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#define T1L 450 // Width of a 1 bit in ns
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#define T0H 200 // Width of a 0 bit in ns
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#define T0L 650 // Width of a 0 bit in ns
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#define RES 50000 // Width of the low gap between bits to cause a frame to latch
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#define NS_PER_SEC (1000000000L) // Note that this has to be SIGNED since we want to be able to check for negative values of derivatives
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#define CYCLES_PER_SEC (16000000L)
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#define NS_PER_CYCLE ( NS_PER_SEC / CYCLES_PER_SEC )
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#define NS_TO_CYCLES(n) ( (n) / NS_PER_CYCLE )
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#define DELAY_CYCLES(n) ( ((n)>0) ? __builtin_avr_delay_cycles( n ) : __builtin_avr_delay_cycles( 0 ) ) // Make sure we never have a delay less than zero
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void ws_show()
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{
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ws_low();
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DELAY_CYCLES( NS_TO_CYCLES(RES) );
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}
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void ws_send_byte(uint8_t bb)
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{
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for (int8_t i = 7; i >= 0; --i) {
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if (bb & (1 << i)) {
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ws_high();
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DELAY_CYCLES( NS_TO_CYCLES( T1H ) - 2 );
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ws_low();
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DELAY_CYCLES( NS_TO_CYCLES( T1L ) - 10 );
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} else {
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ws_high();
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DELAY_CYCLES( NS_TO_CYCLES( T0H ) - 2 );
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ws_low();
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DELAY_CYCLES( NS_TO_CYCLES( T0L ) - 10 );
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}
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}
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}
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void ws_send_rgb(uint8_t r, uint8_t g, uint8_t b)
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{
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ws_send_byte(g);
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ws_send_byte(r);
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ws_send_byte(b);
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}
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void init_io(void) SECTION(".init8");
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void init_io()
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{
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set_bit(WS_DDR, WS_BIT, OUT);
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}
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void main()
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{
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while (1) {
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uint8_t r = 250;
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uint8_t g = 0;
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uint8_t b = 0;
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uint8_t step = 0;
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for (uint8_t i = 0; i < 30; i++) {
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ws_send_rgb(r, g, b);
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switch (step) {
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case 0:
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r -= 50;
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g += 50;
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if (g == 250) step++;
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break;
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case 1:
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g -= 50;
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b += 50;
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if (b == 250) step++;
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break;
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case 2:
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b -= 50;
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r += 50;
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if (r == 250) step=0;
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break;
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}
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}
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// ws_send_rgb(0x00, 0xFF, 0);
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ws_show();
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}
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}
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@@ -0,0 +1,15 @@
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#pragma once
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#include <avr/io.h>
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// general macros
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#define SECTION(pos) __attribute__((naked, used, section(pos)))
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// pin manipulation
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#define sbi(port, bit) (port) |= _BV(bit)
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#define cbi(port, bit) (port) &= ~ _BV(bit)
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#define set_bit(port, bit, value) (port) = (((port) & ~_BV(bit)) | ((value) << (bit)))
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#define get_bit(port, bit) (((port) >> (bit)) & 1)
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#define bus_pulse(port, bit) { sbi(port, bit); cbi(port, bit); }
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