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
  19 # BOOTLOADER_ADDRESS is 1800 for 8k devices, 3800 for 16k and 7800 for 32k.
  20 BOOTLOADER_ADDRESS = 1800
  21
  22 # PROGRAMMER contains AVRDUDE options to address your programmer
  23 # PROGRAMMER = -c pony-stk200
  24 PROGRAMMER = -c usbasp
  25
  26 #  since USBaspLoader supports HAVE_BLB11_SOFTW_LOCKBIT...
  27 LOCKOPT = -U lock:w:0x3f:m
  28 FUSEOPT = $(FUSEOPT_8)
  29
  30
  31 # standard atmega8 needs BODLEVEL to be programed, since it is a 5V device
  32 # you may also want to UNprogram  SUT1 to get a SLOWER bootup (lfuse then would be 0x3f)
  33 FUSEOPT_8 = -U hfuse:w:0xc0:m -U lfuse:w:0x1f:m
  34
  35 FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  36 FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  37 FUSEOPT_328 = -U lfuse:w:0xf7:m -U hfuse:w:0xda:m -U efuse:w:0x03:m
  38 # You may have to change the order of these -U commands.
  39
  40 #---------------------------------------------------------------------
  41 # ATMega8
  42 #---------------------------------------------------------------------
  43 # Fuse high byte:
  44 # 0xc0 = 1 1 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  45 #        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
  46 #        | | | |   | +-------- BOOTSZ1
  47 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  48 #        | | | +-------------- CKOPT (full output swing)
  49 #        | | +---------------- SPIEN (allow serial programming)
  50 #        | +------------------ WDTON (WDT not always on)
  51 #        +-------------------- RSTDISBL (reset pin is enabled)
  52 # Fuse low byte:
  53 # 0x9f = 1 0 0 1   1 1 1 1
  54 #        ^ ^ \ /   \--+--/
  55 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  56 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  57 #        | +------------------ BODEN (BrownOut Detector enabled)
  58 #        +-------------------- BODLEVEL (2.7V)
  59 #---------------------------------------------------------------------
  60 # ATMega88, ATMega168
  61 #---------------------------------------------------------------------
  62 # Fuse extended byte:
  63 # 0x00 = 0 0 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  64 #                    \+/
  65 #                     +------- BOOTSZ (00 = 2k bytes)
  66 # Fuse high byte:
  67 # 0xd6 = 1 1 0 1   0 1 1 0
  68 #        ^ ^ ^ ^   ^ \-+-/
  69 #        | | | |   |   +------ BODLEVEL 0..2 (110 = 1.8 V)
  70 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  71 #        | | | +-------------- WDTON (if 0: watchdog always on)
  72 #        | | +---------------- SPIEN (allow serial programming)
  73 #        | +------------------ DWEN (debug wire enable)
  74 #        +-------------------- RSTDISBL (reset pin is enabled)
  75 # Fuse low byte:
  76 # 0xdf = 1 1 0 1   1 1 1 1
  77 #        ^ ^ \ /   \--+--/
  78 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  79 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  80 #        | +------------------ CKOUT (if 0: Clock output enabled)
  81 #        +-------------------- CKDIV8 (if 0: divide by 8)
  82 #---------------------------------------------------------------------
  83 # ATMega328P
  84 #---------------------------------------------------------------------
  85 # Fuse extended byte:
  86 # 0x03 = - - - -   - 0 1 1
  87 #                    \-+-/
  88 #                      +------ BODLEVEL 0..2 (011 = 4.3V)
  89 # Fuse high byte:
  90 # 0xda = 1 1 0 1   1 0 1 0 <-- BOOTRST (0 = jump to bootloader at start)
  91 #        ^ ^ ^ ^   ^ \+/
  92 #        | | | |   |  +------- BOOTSZ 0..1 (01 = 2KB starting at 0x7800)
  93 #        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
  94 #        | | | +-------------- WDTON (1 = watchdog disabled at start)
  95 #        | | +---------------- SPIEN (0 = allow serial programming)
  96 #        | +------------------ DWEN (1 = debug wire disable)
  97 #        +-------------------- RSTDISBL (1 = reset pin is enabled)
  98 # Fuse low byte:
  99 # 0xf7 = 1 1 1 1   0 1 1 1
 100 #        ^ ^ \ /   \--+--/
 101 #        | |  |       +------- CKSEL 3..0 (0111 = external full-swing crystal)
 102 #        | |  +--------------- SUT 1..0 (11 = startup time 16K CK/14K + 65ms)
 103 #        | +------------------ CKOUT (1 = clock output disabled)
 104 #        +-------------------- CKDIV8 (1 = do not divide clock by 8)
 105
 106
 107 ###############################################################################
 108
 109 # Tools:
 110 AVRDUDE = @echo avrdude $(PROGRAMMER) -p $(DEVICE)
 111 CC = avr-gcc
 112
 113 # Options:
 114 DEFINES = #-DDEBUG_LEVEL=2
 115 # Remove the -fno-* options when you use gcc 3, it does not understand them
 116 CFLAGS = -Wall -Os -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DBOOTLOADER_ADDRESS=0x$(BOOTLOADER_ADDRESS) -DF_CPU=$(F_CPU) $(DEFINES)
 117 LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
 118
 119 OBJECTS =  usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
 120
 121 # symbolic targets:
 122 all: main.hex
 123
 124 .c.o:
 125         $(CC) $(CFLAGS) -c $< -o $@
 126
 127 .S.o:
 128         $(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
 129 # "-x assembler-with-cpp" should not be necessary since this is the default
 130 # file type for the .S (with capital S) extension. However, upper case
 131 # characters are not always preserved on Windows. To ensure WinAVR
 132 # compatibility define the file type manually.
 133
 134 .c.s:
 135         $(CC) $(CFLAGS) -S $< -o $@
 136
 137 flash:  all
 138         $(AVRDUDE) -U flash:w:main.hex:i
 139
 140 readflash:
 141         $(AVRDUDE) -U flash:r:read.hex:i
 142
 143 fuse:
 144         $(AVRDUDE) $(FUSEOPT)
 145
 146 lock:
 147         $(AVRDUDE) $(LOCKOPT)
 148
 149 read_fuses:
 150         $(UISP) --rd_fuses
 151
 152 deepclean: clean
 153         rm -f *~
 154
 155 clean:
 156         rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
 157
 158 # file targets:
 159 main.bin:       $(OBJECTS)
 160         $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
 161
 162 main.hex:       main.bin
 163         rm -f main.hex main.eep.hex
 164         avr-objcopy -j .text -j .data -O ihex main.bin main.hex
 165         avr-size main.bin
 166
 167 disasm: main.bin
 168         avr-objdump -d main.bin
 169
 170 cpp:
 171         $(CC) $(CFLAGS) -E main.c
 172
 173 # Special rules for generating hex files for various devices and clock speeds
 174 ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
 175         hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
 176         hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex\
 177         hexfiles/mega328p_12mhz.hex hexfiles/mega328p_15mhz.hex hexfiles/mega328p_16mhz.hex hexfiles/mega328p_20mhz.hex
 178
 179 allhexfiles: $(ALLHEXFILES)
 180         $(MAKE) clean
 181         avr-size hexfiles/*.hex
 182
 183 $(ALLHEXFILES):
 184         @[ -d hexfiles ] || mkdir hexfiles
 185         @device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
 186         clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
 187         addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
 188         echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
 189         $(MAKE) clean; \
 190         $(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
 191         mv main.hex $@