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Diffstat (limited to 'firmware/Makefile')
| -rw-r--r-- | firmware/Makefile | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/firmware/Makefile b/firmware/Makefile new file mode 100644 index 0000000..793ffc0 --- /dev/null +++ b/firmware/Makefile @@ -0,0 +1,79 @@ +# Name: Makefile +# Project: PowerSwitch +# Author: Christian Starkjohann +# Creation Date: 2004-12-29 +# Tabsize: 4 +# Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH +# License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt) +# This Revision: $Id$ + +DEVICE = attiny2313 +AVRDUDE = avrdude -c usbasp -p $(DEVICE) +# Choose your favorite programmer and interface above. + +COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) -DF_CPU=16000000 #-DDEBUG_LEVEL=2 +# NEVER compile the final product with debugging! Any debug output will +# distort timing so that the specs can't be met. + +OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o + +# symbolic targets: +all: main.hex + +.c.o: + $(COMPILE) -c $< -o $@ + +.S.o: + $(COMPILE) -x assembler-with-cpp -c $< -o $@ +# "-x assembler-with-cpp" should not be necessary since this is the default +# file type for the .S (with capital S) extension. However, upper case +# characters are not always preserved on Windows. To ensure WinAVR +# compatibility define the file type manually. + +.c.s: + $(COMPILE) -S $< -o $@ + +flash: all + $(AVRDUDE) -U flash:w:main.hex:i + + +# Fuse low byte: +# 0xef = 1 1 1 0 1 1 1 1 +# ^ ^ \+/ \--+--/ +# | | | +------- CKSEL 3..0 (clock selection -> crystal @ 12 MHz) +# | | +--------------- SUT 1..0 (BOD enabled, fast rising power) +# | +------------------ CKOUT (clock output on CKOUT pin -> disabled) +# +-------------------- CKDIV8 (divide clock by 8 -> don't divide) +# +# Fuse high byte: +# 0xdb = 1 1 0 1 1 0 1 1 +# ^ ^ ^ ^ \-+-/ ^ +# | | | | | +---- RSTDISBL (disable external reset -> enabled) +# | | | | +-------- BODLEVEL 2..0 (brownout trigger level -> 2.7V) +# | | | +-------------- WDTON (watchdog timer always on -> disable) +# | | +---------------- SPIEN (enable serial programming -> enabled) +# | +------------------ EESAVE (preserve EEPROM on Chip Erase -> not preserved) +# +-------------------- DWEN (debug wire enable) +fuse_tiny2313: # only needed for attiny2313 + $(AVRDUDE) -U hfuse:w:0xdb:m -U lfuse:w:0xef:m + + +clean: + rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s + +# file targets: +main.bin: $(OBJECTS) + $(COMPILE) -o main.bin $(OBJECTS) + +main.hex: main.bin + rm -f main.hex main.eep.hex + avr-objcopy -j .text -j .data -O ihex main.bin main.hex + ./checksize main.bin +# do the checksize script as our last action to allow successful compilation +# on Windows with WinAVR where the Unix commands will fail. + +disasm: main.bin + avr-objdump -d main.bin + +cpp: + $(COMPILE) -E main.c |