firmware/Makefile

   1 # Name: Makefile
   2 # Project: USBaspLoader
   3 # Author: Christian Starkjohann
   4 # Creation Date: 2007-12-10
   5 # Author: Stephan Bärwolf
   6 # Improvement Date: 2012-07-31
   7 # Tabsize: 4
   8 # Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
   9 # License: GNU GPL v2 (see License.txt)
  10
  11 ###############################################################################
  12 # Configure the following variables according to your AVR.
  13 # Program the device with
  14 #     make fuse    # to set the clock generator, boot section size etc.
  15 #     make flash   # to load the boot loader into flash
  16 #     make lock    # to protect the boot loader from overwriting
  17
  18 F_CPU = 16000000
  19 DEVICE = atmega8
  20
  21 # BOOTLOADER_ADDRESS is 1800 for 8k devices, 3800 for 16k and 7800 for 32k.
  22 BOOTLOADER_ADDRESS = 1800
  23
  24 # PROGRAMMER contains AVRDUDE options to address your programmer
  25 # PROGRAMMER = -c pony-stk200
  26 PROGRAMMER = -c usbasp
  27
  28 #  since USBaspLoader supports HAVE_BLB11_SOFTW_LOCKBIT...
  29 LOCKOPT = -U lock:w:0x3f:m
  30 FUSEOPT = $(FUSEOPT_8)
  31
  32
  33 # standard atmega8 needs BODLEVEL to be programed, since it is a 5V device
  34 # you may also want to UNprogram  SUT1 to get a SLOWER bootup (lfuse then would be 0x3f)
  35 FUSEOPT_8 = -U hfuse:w:0xc0:m -U lfuse:w:0x1f:m
  36
  37 FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  38 FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
  39 FUSEOPT_328 = -U lfuse:w:0xf7:m -U hfuse:w:0xda:m -U efuse:w:0x03:m
  40 # You may have to change the order of these -U commands.
  41
  42 #---------------------------------------------------------------------
  43 # ATMega8
  44 #---------------------------------------------------------------------
  45 # Fuse high byte:
  46 # 0xc0 = 1 1 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  47 #        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
  48 #        | | | |   | +-------- BOOTSZ1
  49 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  50 #        | | | +-------------- CKOPT (full output swing)
  51 #        | | +---------------- SPIEN (allow serial programming)
  52 #        | +------------------ WDTON (WDT not always on)
  53 #        +-------------------- RSTDISBL (reset pin is enabled)
  54 # Fuse low byte:
  55 # 0x9f = 1 0 0 1   1 1 1 1
  56 #        ^ ^ \ /   \--+--/
  57 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  58 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  59 #        | +------------------ BODEN (BrownOut Detector enabled)
  60 #        +-------------------- BODLEVEL (2.7V)
  61 #---------------------------------------------------------------------
  62 # ATMega88, ATMega168
  63 #---------------------------------------------------------------------
  64 # Fuse extended byte:
  65 # 0x00 = 0 0 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
  66 #                    \+/
  67 #                     +------- BOOTSZ (00 = 2k bytes)
  68 # Fuse high byte:
  69 # 0xd6 = 1 1 0 1   0 1 1 0
  70 #        ^ ^ ^ ^   ^ \-+-/
  71 #        | | | |   |   +------ BODLEVEL 0..2 (110 = 1.8 V)
  72 #        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)
  73 #        | | | +-------------- WDTON (if 0: watchdog always on)
  74 #        | | +---------------- SPIEN (allow serial programming)
  75 #        | +------------------ DWEN (debug wire enable)
  76 #        +-------------------- RSTDISBL (reset pin is enabled)
  77 # Fuse low byte:
  78 # 0xdf = 1 1 0 1   1 1 1 1
  79 #        ^ ^ \ /   \--+--/
  80 #        | |  |       +------- CKSEL 3..0 (external >8M crystal)
  81 #        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
  82 #        | +------------------ CKOUT (if 0: Clock output enabled)
  83 #        +-------------------- CKDIV8 (if 0: divide by 8)
  84 #---------------------------------------------------------------------
  85 # ATMega328P
  86 #---------------------------------------------------------------------
  87 # Fuse extended byte:
  88 # 0x03 = - - - -   - 0 1 1
  89 #                    \-+-/
  90 #                      +------ BODLEVEL 0..2 (011 = 4.3V)
  91 # Fuse high byte:
  92 # 0xda = 1 1 0 1   1 0 1 0 <-- BOOTRST (0 = jump to bootloader at start)
  93 #        ^ ^ ^ ^   ^ \+/
  94 #        | | | |   |  +------- BOOTSZ 0..1 (01 = 2KB starting at 0x7800)
  95 #        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
  96 #        | | | +-------------- WDTON (1 = watchdog disabled at start)
  97 #        | | +---------------- SPIEN (0 = allow serial programming)
  98 #        | +------------------ DWEN (1 = debug wire disable)
  99 #        +-------------------- RSTDISBL (1 = reset pin is enabled)
 100 # Fuse low byte:
 101 # 0xf7 = 1 1 1 1   0 1 1 1
 102 #        ^ ^ \ /   \--+--/
 103 #        | |  |       +------- CKSEL 3..0 (0111 = external full-swing crystal)
 104 #        | |  +--------------- SUT 1..0 (11 = startup time 16K CK/14K + 65ms)
 105 #        | +------------------ CKOUT (1 = clock output disabled)
 106 #        +-------------------- CKDIV8 (1 = do not divide clock by 8)
 107
 108
 109 ###############################################################################
 110
 111 # Tools:
 112 AVRDUDE = @echo avrdude $(PROGRAMMER) -p $(DEVICE)
 113 CC = avr-gcc
 114
 115 # Options:
 116 DEFINES = #-DDEBUG_LEVEL=2
 117 # Remove the -fno-* options when you use gcc 3, it does not understand them
 118 CFLAGS = -Wall -Os -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DBOOTLOADER_ADDRESS=0x$(BOOTLOADER_ADDRESS) -DF_CPU=$(F_CPU) $(DEFINES)
 119 LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
 120
 121 OBJECTS =  usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
 122
 123 # symbolic targets:
 124 all: main.hex
 125
 126 install: main.hex
 127         cp -Rvp main.hex ./hexfiles/usbasploader.hex
 128
 129 .c.o:
 130         $(CC) $(CFLAGS) -c $< -o $@
 131
 132 .S.o:
 133         $(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
 134 # "-x assembler-with-cpp" should not be necessary since this is the default
 135 # file type for the .S (with capital S) extension. However, upper case
 136 # characters are not always preserved on Windows. To ensure WinAVR
 137 # compatibility define the file type manually.
 138
 139 .c.s:
 140         $(CC) $(CFLAGS) -S $< -o $@
 141
 142 flash:  all
 143         $(AVRDUDE) -U flash:w:main.hex:i
 144
 145 readflash:
 146         $(AVRDUDE) -U flash:r:read.hex:i
 147
 148 fuse:
 149         $(AVRDUDE) $(FUSEOPT)
 150
 151 lock:
 152         $(AVRDUDE) $(LOCKOPT)
 153
 154 read_fuses:
 155         $(UISP) --rd_fuses
 156
 157 deepclean: clean
 158         rm -f *~
 159
 160 clean:
 161         rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
 162
 163 # file targets:
 164 main.bin:       $(OBJECTS)
 165         $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
 166
 167 main.hex:       main.bin
 168         rm -f main.hex main.eep.hex
 169         avr-objcopy -j .text -j .data -O ihex main.bin main.hex
 170         avr-size main.bin
 171
 172 disasm: main.bin
 173         avr-objdump -d main.bin
 174
 175 cpp:
 176         $(CC) $(CFLAGS) -E main.c
 177
 178 # Special rules for generating hex files for various devices and clock speeds
 179 ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
 180         hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
 181         hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex\
 182         hexfiles/mega328p_12mhz.hex hexfiles/mega328p_15mhz.hex hexfiles/mega328p_16mhz.hex hexfiles/mega328p_20mhz.hex
 183
 184 allhexfiles: $(ALLHEXFILES)
 185         $(MAKE) clean
 186         avr-size hexfiles/*.hex
 187
 188 $(ALLHEXFILES):
 189         @[ -d hexfiles ] || mkdir hexfiles
 190         @device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
 191         clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
 192         addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
 193         echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
 194         $(MAKE) clean; \
 195         $(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
 196         mv main.hex $@