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 # This Revision: $Id: Makefile 798 2010-07-27 17:29:28Z cs $
   9
  10 ###############################################################################
  11 # Configure the following variables according to your AVR.
  12 # Program the device with
  13 #     make fuse    # to set the clock generator, boot section size etc.
  14 #     make flash   # to load the boot loader into flash
  15 #     make lock    # to protect the boot loader from overwriting
  16
  17 F_CPU = 16000000
  18 DEVICE = atmega8
  19 # BOOTLOADER_ADDRESS is 1800 for 8k devices, 3800 for 16k and 7800 for 32k.
  20 BOOTLOADER_ADDRESS = 1800
  21 FUSEOPT = $(FUSEOPT_8)
  22 LOCKOPT = -U lock:w:0x2f:m
  23
  24 PROGRAMMER = -c pony-stk200
  25 # PROGRAMMER contains AVRDUDE options to address your programmer
  26
  27 FUSEOPT_8 = -U hfuse:w:0xc0:m -U lfuse:w:0x9f:m
  28 FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  29 FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  30 FUSEOPT_328 = -U lfuse:w:0xf7:m -U hfuse:w:0xda:m -U efuse:w:0x03:m
  31 # You may have to change the order of these -U commands.
  32
  33 #---------------------------------------------------------------------
  34 # ATMega8
  35 #---------------------------------------------------------------------
  36 # Fuse high byte:
  37 # 0xc0 = 1 1 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  38 #        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
  39 #        | | | |   | +-------- BOOTSZ1
  40 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  41 #        | | | +-------------- CKOPT (full output swing)
  42 #        | | +---------------- SPIEN (allow serial programming)
  43 #        | +------------------ WDTON (WDT not always on)
  44 #        +-------------------- RSTDISBL (reset pin is enabled)
  45 # Fuse low byte:
  46 # 0x9f = 1 0 0 1   1 1 1 1
  47 #        ^ ^ \ /   \--+--/
  48 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  49 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  50 #        | +------------------ BODEN (BrownOut Detector enabled)
  51 #        +-------------------- BODLEVEL (2.7V)
  52 #---------------------------------------------------------------------
  53 # ATMega88, ATMega168
  54 #---------------------------------------------------------------------
  55 # Fuse extended byte:
  56 # 0x00 = 0 0 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  57 #                    \+/
  58 #                     +------- BOOTSZ (00 = 2k bytes)
  59 # Fuse high byte:
  60 # 0xd6 = 1 1 0 1   0 1 1 0
  61 #        ^ ^ ^ ^   ^ \-+-/
  62 #        | | | |   |   +------ BODLEVEL 0..2 (110 = 1.8 V)
  63 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  64 #        | | | +-------------- WDTON (if 0: watchdog always on)
  65 #        | | +---------------- SPIEN (allow serial programming)
  66 #        | +------------------ DWEN (debug wire enable)
  67 #        +-------------------- RSTDISBL (reset pin is enabled)
  68 # Fuse low byte:
  69 # 0xdf = 1 1 0 1   1 1 1 1
  70 #        ^ ^ \ /   \--+--/
  71 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  72 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  73 #        | +------------------ CKOUT (if 0: Clock output enabled)
  74 #        +-------------------- CKDIV8 (if 0: divide by 8)
  75 #---------------------------------------------------------------------
  76 # ATMega328P
  77 #---------------------------------------------------------------------
  78 # Fuse extended byte:
  79 # 0x03 = - - - -   - 0 1 1
  80 #                    \-+-/
  81 #                      +------ BODLEVEL 0..2 (011 = 4.3V)
  82 # Fuse high byte:
  83 # 0xda = 1 1 0 1   1 0 1 0 <-- BOOTRST (0 = jump to bootloader at start)
  84 #        ^ ^ ^ ^   ^ \+/
  85 #        | | | |   |  +------- BOOTSZ 0..1 (01 = 2KB starting at 0x7800)
  86 #        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
  87 #        | | | +-------------- WDTON (1 = watchdog disabled at start)
  88 #        | | +---------------- SPIEN (0 = allow serial programming)
  89 #        | +------------------ DWEN (1 = debug wire disable)
  90 #        +-------------------- RSTDISBL (1 = reset pin is enabled)
  91 # Fuse low byte:
  92 # 0xf7 = 1 1 1 1   0 1 1 1
  93 #        ^ ^ \ /   \--+--/
  94 #        | |  |       +------- CKSEL 3..0 (0111 = external full-swing crystal)
  95 #        | |  +--------------- SUT 1..0 (11 = startup time 16K CK/14K + 65ms)
  96 #        | +------------------ CKOUT (1 = clock output disabled)
  97 #        +-------------------- CKDIV8 (1 = do not divide clock by 8)
  98
  99
 100 ###############################################################################
 101
 102 # Tools:
 103 AVRDUDE = @echo avrdude $(PROGRAMMER) -p $(DEVICE)
 104 CC = avr-gcc
 105
 106 # Options:
 107 DEFINES = #-DDEBUG_LEVEL=2
 108 # Remove the -fno-* options when you use gcc 3, it does not understand them
 109 CFLAGS = -Wall -Os -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DBOOTLOADER_ADDRESS=0x$(BOOTLOADER_ADDRESS) -DF_CPU=$(F_CPU) $(DEFINES)
 110 LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
 111
 112 OBJECTS =  usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
 113
 114 # symbolic targets:
 115 all: main.hex
 116
 117 .c.o:
 118         $(CC) $(CFLAGS) -c $< -o $@
 119
 120 .S.o:
 121         $(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
 122 # "-x assembler-with-cpp" should not be necessary since this is the default
 123 # file type for the .S (with capital S) extension. However, upper case
 124 # characters are not always preserved on Windows. To ensure WinAVR
 125 # compatibility define the file type manually.
 126
 127 .c.s:
 128         $(CC) $(CFLAGS) -S $< -o $@
 129
 130 flash:  all
 131         $(AVRDUDE) -U flash:w:main.hex:i
 132
 133 readflash:
 134         $(AVRDUDE) -U flash:r:read.hex:i
 135
 136 fuse:
 137         $(AVRDUDE) $(FUSEOPT)
 138
 139 lock:
 140         $(AVRDUDE) $(LOCKOPT)
 141
 142 read_fuses:
 143         $(UISP) --rd_fuses
 144
 145 deepclean: clean
 146         rm -f *~
 147
 148 clean:
 149         rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
 150
 151 # file targets:
 152 main.bin:       $(OBJECTS)
 153         $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
 154
 155 main.hex:       main.bin
 156         rm -f main.hex main.eep.hex
 157         avr-objcopy -j .text -j .data -O ihex main.bin main.hex
 158         avr-size main.bin
 159
 160 disasm: main.bin
 161         avr-objdump -d main.bin
 162
 163 cpp:
 164         $(CC) $(CFLAGS) -E main.c
 165
 166 # Special rules for generating hex files for various devices and clock speeds
 167 ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
 168         hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
 169         hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex\
 170         hexfiles/mega328p_12mhz.hex hexfiles/mega328p_15mhz.hex hexfiles/mega328p_16mhz.hex hexfiles/mega328p_20mhz.hex
 171
 172 allhexfiles: $(ALLHEXFILES)
 173         $(MAKE) clean
 174         avr-size hexfiles/*.hex
 175
 176 $(ALLHEXFILES):
 177         @[ -d hexfiles ] || mkdir hexfiles
 178         @device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
 179         clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
 180         addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
 181         echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
 182         $(MAKE) clean; \
 183         $(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
 184         mv main.hex $@