comparison: firmware/Makefile
firmware/Makefile
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| 1 # Name: Makefile | |
| 2 # Project: hid-data example | |
| 3 # Author: Christian Starkjohann | |
| 4 # Creation Date: 2008-04-07 | |
| 5 # Tabsize: 4 | |
| 6 # Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH | |
| 7 # License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt) | |
| 8 | |
| 9 DEVICE = attiny2313 | |
| 10 F_CPU = 8000000 # in Hz | |
| 11 AVRDUDE = avrdude -c usbasp -p $(DEVICE) -B .5 -P USB -u | |
| 12 | |
| 13 CFLAGS = -I. -DDEBUG_LEVEL=0 | |
| 14 OBJECTS = main.o | |
| 15 | |
| 16 COMPILE = avr-gcc -Wall -Os -DF_CPU=$(F_CPU) $(CFLAGS) -mmcu=$(DEVICE) | |
| 17 | |
| 18 FUSE_H = 0x9f | |
| 19 FUSE_L = 0xe4 | |
| 20 | |
| 21 # symbolic targets: | |
| 22 help: | |
| 23 @echo "This Makefile has no default rule. Use one of the following:" | |
| 24 @echo "make hex ....... to build main.hex" | |
| 25 @echo "make program ... to flash fuses and firmware" | |
| 26 @echo "make fuse ...... to flash the fuses" | |
| 27 @echo "make flash ..... to flash the firmware (use this on metaboard)" | |
| 28 @echo "make clean ..... to delete objects and hex file" | |
| 29 | |
| 30 hex: main.hex | |
| 31 | |
| 32 program: flash fuse | |
| 33 | |
| 34 # rule for programming fuse bits: | |
| 35 fuse: | |
| 36 @[ "$(FUSE_H)" != "" -a "$(FUSE_L)" != "" ] || \ | |
| 37 { echo "*** Edit Makefile and choose values for FUSE_L and FUSE_H!"; exit 1; } | |
| 38 $(AVRDUDE) -U hfuse:w:$(FUSE_H):m -U lfuse:w:$(FUSE_L):m | |
| 39 | |
| 40 # rule for uploading firmware: | |
| 41 flash: main.hex | |
| 42 $(AVRDUDE) -U flash:w:main.hex:i | |
| 43 | |
| 44 # rule for deleting dependent files (those which can be built by Make): | |
| 45 clean: | |
| 46 rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.elf *.o main.s | |
| 47 | |
| 48 # Generic rule for compiling C files: | |
| 49 .c.o: | |
| 50 $(COMPILE) -c $< -o $@ | |
| 51 | |
| 52 # Generic rule for assembling Assembler source files: | |
| 53 .S.o: | |
| 54 $(COMPILE) -x assembler-with-cpp -c $< -o $@ | |
| 55 # "-x assembler-with-cpp" should not be necessary since this is the default | |
| 56 # file type for the .S (with capital S) extension. However, upper case | |
| 57 # characters are not always preserved on Windows. To ensure WinAVR | |
| 58 # compatibility define the file type manually. | |
| 59 | |
| 60 # Generic rule for compiling C to assembler, used for debugging only. | |
| 61 .c.s: | |
| 62 $(COMPILE) -S $< -o $@ | |
| 63 | |
| 64 # file targets: | |
| 65 | |
| 66 main.elf: $(OBJECTS) # usbdrv dependency only needed because we copy it | |
| 67 $(COMPILE) -o main.elf $(OBJECTS) | |
| 68 | |
| 69 main.hex: main.elf | |
| 70 rm -f main.hex main.eep.hex | |
| 71 avr-objcopy -j .text -j .data -O ihex main.elf main.hex | |
| 72 avr-size main.hex | |
| 73 | |
| 74 # debugging targets: | |
| 75 | |
| 76 disasm: main.elf | |
| 77 avr-objdump -d main.elf | |
| 78 | |
| 79 cpp: | |
| 80 $(COMPILE) -E main.c |
