firmware/Makefile

   1 SERIAL = `echo /dev/tty.USA19QI*`
   2 UISP = uisp -dprog=avr910 -dserial=$(SERIAL) -dpart=auto
   3 TARGET = atmega8
   4 #TARGET = at90s2313
   5 # The two lines above are for "uisp" and the AVR910 serial programmer connected
   6 # to a Keyspan USB to serial converter to a Mac running Mac OS X.
   7 # Choose your favorite programmer and interface.
   8
   9 COMPILE = avr-gcc -Wall -O2 -Iusbdrv -I. -mmcu=$(TARGET) # -DDEBUG_LEVEL=2
  10
  11 OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o isp.o clock.o main.o
  12
  13
  14 # symbolic targets:
  15 all:    main.hex
  16
  17 .c.o:
  18         $(COMPILE) -c $< -o $@
  19 #-Wa,-ahlms=$<.lst
  20
  21 .S.o:
  22         $(COMPILE) -x assembler-with-cpp -c $< -o $@
  23 # "-x assembler-with-cpp" should not be necessary since this is the default
  24 # file type for the .S (with capital S) extension. However, upper case
  25 # characters are not always preserved on Windows. To ensure WinAVR
  26 # compatibility define the file type manually.
  27
  28 .c.s:
  29         $(COMPILE) -S $< -o $@
  30
  31 clean:
  32         rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o main.s usbdrv/*.o
  33
  34 # file targets:
  35 main.bin:       $(OBJECTS)
  36         $(COMPILE) -o main.bin $(OBJECTS) -Wl,-Map,main.map
  37
  38 main.hex:       main.bin
  39         rm -f main.hex main.eep.hex
  40         avr-objcopy -j .text -j .data -O ihex main.bin main.hex
  41 #       ./checksize main.bin
  42 # do the checksize script as our last action to allow successful compilation
  43 # on Windows with WinAVR where the Unix commands will fail.
  44
  45 disasm: main.bin
  46         avr-objdump -d main.bin
  47
  48 cpp:
  49         $(COMPILE) -E main.c
  50
  51 avrdude:
  52         avrdude -c butterfly -p $(TARGET) -U flash:w:main.hex
  53
  54 fuses:
  55         avrdude -c avr910 -p m8 -u -U hfuse:w:0xc9:m -U lfuse:w:0x9f:m
  56
  57 # Fuse high byte:
  58 # 0xc9 = 1 1 0 0   1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
  59 #        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
  60 #        | | | |   | +-------- BOOTSZ1
  61 #        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
  62 #        | | | +-------------- CKOPT (full output swing)
  63 #        | | +---------------- SPIEN (allow serial programming)
  64 #        | +------------------ WDTON (WDT not always on)
  65 #        +-------------------- RSTDISBL (reset pin is enabled)
  66 # Fuse low byte:
  67 # 0x9f = 1 0 0 1   1 1 1 1
  68 #        ^ ^ \ /   \--+--/
  69 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  70 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  71 #        | +------------------ BODEN (BrownOut Detector enabled)
  72 #        +-------------------- BODLEVEL (2.7V)
  73
  74
  75 uisp:   all
  76         $(UISP) --erase
  77         $(UISP) --upload --verify if=main.hex