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4
.gitignore
vendored
Normal file
4
.gitignore
vendored
Normal file
@ -0,0 +1,4 @@
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*.elf
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*.hex
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*.o
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*.map
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196
led2/Makefile
Normal file
196
led2/Makefile
Normal file
@ -0,0 +1,196 @@
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||||
##########------------------------------------------------------##########
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||||
########## Project-specific Details ##########
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||||
########## Check these every time you start a new project ##########
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||||
##########------------------------------------------------------##########
|
||||
|
||||
MCU = atmega168p
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F_CPU = 1000000UL
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BAUD = 9600UL
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## Also try BAUD = 19200 or 38400 if you're feeling lucky.
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||||
|
||||
## A directory for common include files and the simple USART library.
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## If you move either the current folder or the Library folder, you'll
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## need to change this path to match.
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LIBDIR = ../../AVR-Programming-Library
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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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||||
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PROGRAMMER_TYPE = usbtiny
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# extra arguments to avrdude: baud rate, chip type, -F flag, etc.
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PROGRAMMER_ARGS =
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||||
##########------------------------------------------------------##########
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||||
########## Program Locations ##########
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||||
########## Won't need to change if they're in your PATH ##########
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||||
##########------------------------------------------------------##########
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||||
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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 = avrdude
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||||
##########------------------------------------------------------##########
|
||||
########## Makefile Magic! ##########
|
||||
########## Summary: ##########
|
||||
########## We want a .hex file ##########
|
||||
########## Compile source files into .elf ##########
|
||||
########## Convert .elf file into .hex ##########
|
||||
########## You shouldn't need to edit below. ##########
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||||
##########------------------------------------------------------##########
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||||
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||||
## The name of your project (without the .c)
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# TARGET = blinkLED
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||||
## Or name it automatically after the enclosing directory
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TARGET = $(lastword $(subst /, ,$(CURDIR)))
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# Object files: will find all .c/.h files in current directory
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# and in LIBDIR. If you have any other (sub-)directories with code,
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||||
# you can add them in to SOURCES below in the wildcard statement.
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SOURCES=$(wildcard *.c $(LIBDIR)/*.c)
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OBJECTS=$(SOURCES:.c=.o)
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HEADERS=$(SOURCES:.c=.h)
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## Compilation options, type man avr-gcc if you're curious.
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CPPFLAGS = -DF_CPU=$(F_CPU) -DBAUD=$(BAUD) -I. -I$(LIBDIR)
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CFLAGS = -Os -g -std=gnu99 -Wall
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## Use short (8-bit) data types
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CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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## Splits up object files per function
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CFLAGS += -ffunction-sections -fdata-sections
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LDFLAGS = -Wl,-Map,$(TARGET).map
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## Optional, but often ends up with smaller code
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LDFLAGS += -Wl,--gc-sections
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||||
## Relax shrinks code even more, but makes disassembly messy
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## LDFLAGS += -Wl,--relax
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## LDFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf
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## LDFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf
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TARGET_ARCH = -mmcu=$(MCU)
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## Explicit pattern rules:
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||||
## To make .o files from .c files
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%.o: %.c $(HEADERS) Makefile
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$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $<;
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$(TARGET).elf: $(OBJECTS)
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$(CC) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
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%.hex: %.elf
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$(OBJCOPY) -j .text -j .data -O ihex $< $@
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%.eeprom: %.elf
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
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%.lst: %.elf
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$(OBJDUMP) -S $< > $@
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|
||||
## These targets don't have files named after them
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.PHONY: all disassemble disasm eeprom size clean squeaky_clean flash fuses
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all: $(TARGET).hex
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debug:
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@echo
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@echo "Source files:" $(SOURCES)
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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.
|
||||
# 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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||||
|
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disasm: disassemble
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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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|
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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 *~ *.eeprom
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||||
|
||||
##########------------------------------------------------------##########
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||||
########## Programmer-specific details ##########
|
||||
########## 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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||||
|
||||
## An alias
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||||
program: flash
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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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||||
|
||||
avrdude_terminal:
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
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||||
|
||||
## If you've got multiple programmers that you use,
|
||||
## you can define them here so that it's easy to switch.
|
||||
## To invoke, use something like `make flash_arduinoISP`
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||||
flash_usbtiny: PROGRAMMER_TYPE = usbtiny
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||||
flash_usbtiny: PROGRAMMER_ARGS = # USBTiny works with no further arguments
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flash_usbtiny: flash
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||||
|
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flash_usbasp: PROGRAMMER_TYPE = usbasp
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||||
flash_usbasp: PROGRAMMER_ARGS = # USBasp works with no further arguments
|
||||
flash_usbasp: flash
|
||||
|
||||
flash_arduinoISP: PROGRAMMER_TYPE = avrisp
|
||||
flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P /dev/ttyACM0
|
||||
## (for windows) flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P com5
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||||
flash_arduinoISP: flash
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||||
|
||||
flash_109: PROGRAMMER_TYPE = avr109
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||||
flash_109: PROGRAMMER_ARGS = -b 9600 -P /dev/ttyUSB0
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||||
flash_109: flash
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||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Fuse settings and suitable defaults ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
## Mega 48, 88, 168, 328 default values
|
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LFUSE = 0x62
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HFUSE = 0xdf
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EFUSE = 0x00
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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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|
||||
## Set the fuse byte for full-speed mode
|
||||
## Note: can also be set in firmware for modern chips
|
||||
set_fast_fuse: LFUSE = 0xE2
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set_fast_fuse: FUSE_STRING = -U lfuse:w:$(LFUSE):m
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set_fast_fuse: fuses
|
||||
|
||||
## Set the EESAVE fuse byte to preserve EEPROM across flashes
|
||||
set_eeprom_save_fuse: HFUSE = 0xD7
|
||||
set_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
|
||||
set_eeprom_save_fuse: fuses
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||||
|
||||
## Clear the EESAVE fuse byte
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||||
clear_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
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clear_eeprom_save_fuse: fuses
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196
led3/Makefile
Normal file
196
led3/Makefile
Normal file
@ -0,0 +1,196 @@
|
||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Project-specific Details ##########
|
||||
########## Check these every time you start a new project ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
MCU = atmega168p
|
||||
F_CPU = 1000000UL
|
||||
BAUD = 9600UL
|
||||
## Also try BAUD = 19200 or 38400 if you're feeling lucky.
|
||||
|
||||
## A directory for common include files and the simple USART library.
|
||||
## If you move either the current folder or the Library folder, you'll
|
||||
## need to change this path to match.
|
||||
LIBDIR = ../../AVR-Programming-Library
|
||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Programmer Defaults ##########
|
||||
########## Set up once, then forget about it ##########
|
||||
########## (Can override. See bottom of file.) ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
PROGRAMMER_TYPE = usbtiny
|
||||
# extra arguments to avrdude: baud rate, chip type, -F flag, etc.
|
||||
PROGRAMMER_ARGS =
|
||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Program Locations ##########
|
||||
########## Won't need to change if they're in your PATH ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
CC = avr-gcc
|
||||
OBJCOPY = avr-objcopy
|
||||
OBJDUMP = avr-objdump
|
||||
AVRSIZE = avr-size
|
||||
AVRDUDE = avrdude
|
||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Makefile Magic! ##########
|
||||
########## Summary: ##########
|
||||
########## We want a .hex file ##########
|
||||
########## Compile source files into .elf ##########
|
||||
########## Convert .elf file into .hex ##########
|
||||
########## You shouldn't need to edit below. ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
## The name of your project (without the .c)
|
||||
# TARGET = blinkLED
|
||||
## Or name it automatically after the enclosing directory
|
||||
TARGET = $(lastword $(subst /, ,$(CURDIR)))
|
||||
|
||||
# Object files: will find all .c/.h files in current directory
|
||||
# and in LIBDIR. If you have any other (sub-)directories with code,
|
||||
# you can add them in to SOURCES below in the wildcard statement.
|
||||
SOURCES=$(wildcard *.c $(LIBDIR)/*.c)
|
||||
OBJECTS=$(SOURCES:.c=.o)
|
||||
HEADERS=$(SOURCES:.c=.h)
|
||||
|
||||
## Compilation options, type man avr-gcc if you're curious.
|
||||
CPPFLAGS = -DF_CPU=$(F_CPU) -DBAUD=$(BAUD) -I. -I$(LIBDIR)
|
||||
CFLAGS = -Os -g -std=gnu99 -Wall
|
||||
## Use short (8-bit) data types
|
||||
CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
|
||||
## Splits up object files per function
|
||||
CFLAGS += -ffunction-sections -fdata-sections
|
||||
LDFLAGS = -Wl,-Map,$(TARGET).map
|
||||
## Optional, but often ends up with smaller code
|
||||
LDFLAGS += -Wl,--gc-sections
|
||||
## Relax shrinks code even more, but makes disassembly messy
|
||||
## LDFLAGS += -Wl,--relax
|
||||
## LDFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf
|
||||
## LDFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf
|
||||
TARGET_ARCH = -mmcu=$(MCU)
|
||||
|
||||
## Explicit pattern rules:
|
||||
## To make .o files from .c files
|
||||
%.o: %.c $(HEADERS) Makefile
|
||||
$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $<;
|
||||
|
||||
$(TARGET).elf: $(OBJECTS)
|
||||
$(CC) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
|
||||
|
||||
%.hex: %.elf
|
||||
$(OBJCOPY) -j .text -j .data -O ihex $< $@
|
||||
|
||||
%.eeprom: %.elf
|
||||
$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
|
||||
|
||||
%.lst: %.elf
|
||||
$(OBJDUMP) -S $< > $@
|
||||
|
||||
## These targets don't have files named after them
|
||||
.PHONY: all disassemble disasm eeprom size clean squeaky_clean flash fuses
|
||||
|
||||
all: $(TARGET).hex
|
||||
|
||||
debug:
|
||||
@echo
|
||||
@echo "Source files:" $(SOURCES)
|
||||
@echo "MCU, F_CPU, BAUD:" $(MCU), $(F_CPU), $(BAUD)
|
||||
@echo
|
||||
|
||||
# Optionally create listing file from .elf
|
||||
# This creates approximate assembly-language equivalent of your code.
|
||||
# Useful for debugging time-sensitive bits,
|
||||
# or making sure the compiler does what you want.
|
||||
disassemble: $(TARGET).lst
|
||||
|
||||
disasm: disassemble
|
||||
|
||||
# Optionally show how big the resulting program is
|
||||
size: $(TARGET).elf
|
||||
$(AVRSIZE) -C --mcu=$(MCU) $(TARGET).elf
|
||||
|
||||
clean:
|
||||
rm -f $(TARGET).elf $(TARGET).hex $(TARGET).obj \
|
||||
$(TARGET).o $(TARGET).d $(TARGET).eep $(TARGET).lst \
|
||||
$(TARGET).lss $(TARGET).sym $(TARGET).map $(TARGET)~ \
|
||||
$(TARGET).eeprom
|
||||
|
||||
squeaky_clean:
|
||||
rm -f *.elf *.hex *.obj *.o *.d *.eep *.lst *.lss *.sym *.map *~ *.eeprom
|
||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Programmer-specific details ##########
|
||||
########## Flashing code to AVR using avrdude ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
flash: $(TARGET).hex
|
||||
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$<
|
||||
|
||||
## An alias
|
||||
program: flash
|
||||
|
||||
flash_eeprom: $(TARGET).eeprom
|
||||
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$<
|
||||
|
||||
avrdude_terminal:
|
||||
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
|
||||
|
||||
## If you've got multiple programmers that you use,
|
||||
## you can define them here so that it's easy to switch.
|
||||
## To invoke, use something like `make flash_arduinoISP`
|
||||
flash_usbtiny: PROGRAMMER_TYPE = usbtiny
|
||||
flash_usbtiny: PROGRAMMER_ARGS = # USBTiny works with no further arguments
|
||||
flash_usbtiny: flash
|
||||
|
||||
flash_usbasp: PROGRAMMER_TYPE = usbasp
|
||||
flash_usbasp: PROGRAMMER_ARGS = # USBasp works with no further arguments
|
||||
flash_usbasp: flash
|
||||
|
||||
flash_arduinoISP: PROGRAMMER_TYPE = avrisp
|
||||
flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P /dev/ttyACM0
|
||||
## (for windows) flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P com5
|
||||
flash_arduinoISP: flash
|
||||
|
||||
flash_109: PROGRAMMER_TYPE = avr109
|
||||
flash_109: PROGRAMMER_ARGS = -b 9600 -P /dev/ttyUSB0
|
||||
flash_109: flash
|
||||
|
||||
##########------------------------------------------------------##########
|
||||
########## Fuse settings and suitable defaults ##########
|
||||
##########------------------------------------------------------##########
|
||||
|
||||
## Mega 48, 88, 168, 328 default values
|
||||
LFUSE = 0x62
|
||||
HFUSE = 0xdf
|
||||
EFUSE = 0x00
|
||||
|
||||
## Generic
|
||||
FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
|
||||
|
||||
fuses:
|
||||
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) \
|
||||
$(PROGRAMMER_ARGS) $(FUSE_STRING)
|
||||
show_fuses:
|
||||
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nv
|
||||
|
||||
## Called with no extra definitions, sets to defaults
|
||||
set_default_fuses: FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
|
||||
set_default_fuses: fuses
|
||||
|
||||
## Set the fuse byte for full-speed mode
|
||||
## Note: can also be set in firmware for modern chips
|
||||
set_fast_fuse: LFUSE = 0xE2
|
||||
set_fast_fuse: FUSE_STRING = -U lfuse:w:$(LFUSE):m
|
||||
set_fast_fuse: fuses
|
||||
|
||||
## Set the EESAVE fuse byte to preserve EEPROM across flashes
|
||||
set_eeprom_save_fuse: HFUSE = 0xD7
|
||||
set_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
|
||||
set_eeprom_save_fuse: fuses
|
||||
|
||||
## Clear the EESAVE fuse byte
|
||||
clear_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
|
||||
clear_eeprom_save_fuse: fuses
|
||||
47
led3/led3.c
Normal file
47
led3/led3.c
Normal file
@ -0,0 +1,47 @@
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
#include <limits.h>
|
||||
|
||||
#define DELAY 75
|
||||
#define LEN sizeof(PORTB) * CHAR_BIT
|
||||
#define LED_DDR DDRB
|
||||
#define LED_PORT PORTB
|
||||
|
||||
void _delay_s(double __s)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < __s; i++)
|
||||
_delay_ms(1000);
|
||||
}
|
||||
|
||||
int main(void) {
|
||||
uint8_t i;
|
||||
|
||||
LED_DDR = 0xff;
|
||||
|
||||
for (;;) {
|
||||
for (i = 0; i < LEN; i++) {
|
||||
_delay_ms(DELAY);
|
||||
LED_PORT |= (1 << i);
|
||||
}
|
||||
for (i = 0; i < LEN; i++) {
|
||||
_delay_ms(DELAY);
|
||||
LED_PORT &= ~(1 << i);
|
||||
}
|
||||
|
||||
_delay_s(1);
|
||||
|
||||
for (i = LEN; i < 255; i--) {
|
||||
_delay_ms(DELAY);
|
||||
LED_PORT |= (1 << i);
|
||||
}
|
||||
for (i = LEN; i < 255; i--) {
|
||||
_delay_ms(DELAY);
|
||||
LED_PORT &= ~(1 << i);
|
||||
}
|
||||
|
||||
_delay_s(1);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user