firmware/Makefile

   1 # Name: Makefile
   2 # Project: USBaspLoader
   3 # Author: Christian Starkjohann
   4 # Creation Date: 2007-12-10
   5 # Tabsize: 4
   6 # Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
   7 # License: GNU GPL v2 (see License.txt)
   8
   9 ###############################################################################
  10 # Configure the following variables according to your AVR.
  11 # Program the device with
  12 #     make fuse    # to set the clock generator, boot section size etc.
  13 #     make flash   # to load the boot loader into flash
  14 #     make lock    # to protect the boot loader from overwriting
  15
  16 F_CPU = 16000000
  17 DEVICE = atmega8
  18 # BOOTLOADER_ADDRESS is 1800 for 8k devices, 3800 for 16k and 7800 for 32k.
  19 BOOTLOADER_ADDRESS = 1800
  20 FUSEOPT = $(FUSEOPT_8)
  21 LOCKOPT = -U lock:w:0x2f:m
  22
  23 PROGRAMMER = -c pony-stk200
  24 # PROGRAMMER contains AVRDUDE options to address your programmer
  25
  26 FUSEOPT_8 = -U hfuse:w:0xc0:m -U lfuse:w:0x9f:m
  27 FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  28 FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  29 FUSEOPT_328 = -U lfuse:w:0xf7:m -U hfuse:w:0xda:m -U efuse:w:0x03:m
  30 # You may have to change the order of these -U commands.
  31
  32 #---------------------------------------------------------------------
  33 # ATMega8
  34 #---------------------------------------------------------------------
  35 # Fuse high byte:
  36 # 0xc0 = 1 1 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  37 #        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
  38 #        | | | |   | +-------- BOOTSZ1
  39 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  40 #        | | | +-------------- CKOPT (full output swing)
  41 #        | | +---------------- SPIEN (allow serial programming)
  42 #        | +------------------ WDTON (WDT not always on)
  43 #        +-------------------- RSTDISBL (reset pin is enabled)
  44 # Fuse low byte:
  45 # 0x9f = 1 0 0 1   1 1 1 1
  46 #        ^ ^ \ /   \--+--/
  47 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  48 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  49 #        | +------------------ BODEN (BrownOut Detector enabled)
  50 #        +-------------------- BODLEVEL (2.7V)
  51 #---------------------------------------------------------------------
  52 # ATMega88, ATMega168
  53 #---------------------------------------------------------------------
  54 # Fuse extended byte:
  55 # 0x00 = 0 0 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  56 #                    \+/
  57 #                     +------- BOOTSZ (00 = 2k bytes)
  58 # Fuse high byte:
  59 # 0xd6 = 1 1 0 1   0 1 1 0
  60 #        ^ ^ ^ ^   ^ \-+-/
  61 #        | | | |   |   +------ BODLEVEL 0..2 (110 = 1.8 V)
  62 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  63 #        | | | +-------------- WDTON (if 0: watchdog always on)
  64 #        | | +---------------- SPIEN (allow serial programming)
  65 #        | +------------------ DWEN (debug wire enable)
  66 #        +-------------------- RSTDISBL (reset pin is enabled)
  67 # Fuse low byte:
  68 # 0xdf = 1 1 0 1   1 1 1 1
  69 #        ^ ^ \ /   \--+--/
  70 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  71 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  72 #        | +------------------ CKOUT (if 0: Clock output enabled)
  73 #        +-------------------- CKDIV8 (if 0: divide by 8)
  74 #---------------------------------------------------------------------
  75 # ATMega328P
  76 #---------------------------------------------------------------------
  77 # Fuse extended byte:
  78 # 0x03 = - - - -   - 0 1 1
  79 #                    \-+-/
  80 #                      +------ BODLEVEL 0..2 (011 = 4.3V)
  81 # Fuse high byte:
  82 # 0xda = 1 1 0 1   1 0 1 0 <-- BOOTRST (0 = jump to bootloader at start)
  83 #        ^ ^ ^ ^   ^ \+/
  84 #        | | | |   |  +------- BOOTSZ 0..1 (01 = 2KB starting at 0x7800)
  85 #        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
  86 #        | | | +-------------- WDTON (1 = watchdog disabled at start)
  87 #        | | +---------------- SPIEN (0 = allow serial programming)
  88 #        | +------------------ DWEN (1 = debug wire disable)
  89 #        +-------------------- RSTDISBL (1 = reset pin is enabled)
  90 # Fuse low byte:
  91 # 0xf7 = 1 1 1 1   0 1 1 1
  92 #        ^ ^ \ /   \--+--/
  93 #        | |  |       +------- CKSEL 3..0 (0111 = external full-swing crystal)
  94 #        | |  +--------------- SUT 1..0 (11 = startup time 16K CK/14K + 65ms)
  95 #        | +------------------ CKOUT (1 = clock output disabled)
  96 #        +-------------------- CKDIV8 (1 = do not divide clock by 8)
  97
  98
  99 ###############################################################################
 100
 101 # Tools:
 102 AVRDUDE = @echo avrdude $(PROGRAMMER) -p $(DEVICE)
 103 CC = avr-gcc
 104
 105 # Options:
 106 DEFINES = #-DDEBUG_LEVEL=2
 107 # Remove the -fno-* options when you use gcc 3, it does not understand them
 108 CFLAGS = -Wall -Os -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DBOOTLOADER_ADDRESS=0x$(BOOTLOADER_ADDRESS) -DF_CPU=$(F_CPU) $(DEFINES)
 109 LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
 110
 111 OBJECTS =  usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
 112
 113 # symbolic targets:
 114 all: main.hex
 115
 116 .c.o:
 117         $(CC) $(CFLAGS) -c $< -o $@
 118
 119 .S.o:
 120         $(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
 121 # "-x assembler-with-cpp" should not be necessary since this is the default
 122 # file type for the .S (with capital S) extension. However, upper case
 123 # characters are not always preserved on Windows. To ensure WinAVR
 124 # compatibility define the file type manually.
 125
 126 .c.s:
 127         $(CC) $(CFLAGS) -S $< -o $@
 128
 129 flash:  all
 130         $(AVRDUDE) -U flash:w:main.hex:i
 131
 132 readflash:
 133         $(AVRDUDE) -U flash:r:read.hex:i
 134
 135 fuse:
 136         $(AVRDUDE) $(FUSEOPT)
 137
 138 lock:
 139         $(AVRDUDE) $(LOCKOPT)
 140
 141 read_fuses:
 142         $(UISP) --rd_fuses
 143
 144 deepclean: clean
 145         rm -f *~
 146
 147 clean:
 148         rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
 149
 150 # file targets:
 151 main.bin:       $(OBJECTS)
 152         $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
 153
 154 main.hex:       main.bin
 155         rm -f main.hex main.eep.hex
 156         avr-objcopy -j .text -j .data -O ihex main.bin main.hex
 157         avr-size main.bin
 158
 159 disasm: main.bin
 160         avr-objdump -d main.bin
 161
 162 cpp:
 163         $(CC) $(CFLAGS) -E main.c
 164
 165 # Special rules for generating hex files for various devices and clock speeds
 166 ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
 167         hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
 168         hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex\
 169         hexfiles/mega328p_12mhz.hex hexfiles/mega328p_15mhz.hex hexfiles/mega328p_16mhz.hex hexfiles/mega328p_20mhz.hex
 170
 171 allhexfiles: $(ALLHEXFILES)
 172         $(MAKE) clean
 173         avr-size hexfiles/*.hex
 174
 175 $(ALLHEXFILES):
 176         @[ -d hexfiles ] || mkdir hexfiles
 177         @device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
 178         clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
 179         addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
 180         echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
 181         $(MAKE) clean; \
 182         $(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
 183         mv main.hex $@