git.defcon.no Git - avrfbosd/blob - Makefile

   1 # Hey Emacs, this is a -*- makefile -*-
   2
   3 # AVR-GCC Makefile template, derived from the WinAVR template (which
   4 # is public domain), believed to be neutral to any flavor of "make"
   5 # (GNU make, BSD make, SysV make)
   6 #
   7 # Adaptations by Jon Langseth <jon.langseth AT lilug.no>
   8 # This modified template is placed in the public domain like the original.
   9 #
  10
  11 #AVRDUDE_PROGRAMMER = usbasp
  12 AVRDUDE_PROGRAMMER = usbtiny
  13 AVRDUDE_PORT = usb
  14
  15 AVRDUDE_BL_PROGRAMMER = arduino
  16 AVRDUDE_BL_PORT = COM3
  17 AVRDUDE_BL_SPEED = 115200
  18
  19 # Target name and MCU setup -------------------------------------------------
  20
  21 TARGET = fbosd
  22
  23 MCU = atmega328p
  24
  25 # Processor frequency.
  26 #     This will define a symbol, F_CPU, in all source code files equal to the
  27 #     processor frequency. You can then use this symbol in your source code to
  28 #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
  29 #     automatically to create a 32-bit value in your source code.
  30 #     Typical values are:
  31 #         F_CPU =  1000000
  32 #         F_CPU =  1843200
  33 #         F_CPU =  2000000
  34 #         F_CPU =  3686400
  35 #         F_CPU =  4000000
  36 #         F_CPU =  7372800
  37 #         F_CPU =  8000000
  38 #         F_CPU = 11059200
  39 #         F_CPU = 14745600
  40 #         F_CPU = 16000000
  41 #         F_CPU = 18432000
  42 #         F_CPU = 20000000
  43
  44 # Default settings:
  45 #F_CPU =  1000000
  46 # Fuse-bits. Recommended tool: http://www.engbedded.com/fusecalc/
  47 #FUSE_LOW  = 0x62
  48 #FUSE_HIGH = 0xD9
  49 #FUSE_EXT  = 0x7
  50
  51 # Fancy 20MHz settings:
  52 F_CPU = 20000000
  53 ## Fuse-bits. Recommended tool: http://www.engbedded.com/fusecalc/
  54 FUSE_LOW  = 0xAF
  55 FUSE_HIGH = 0xD9
  56 FUSE_EXT  = 0x7
  57 FUSE_LOCK = 0x3F
  58
  59 BL_FUSE_LOW  = 0xBF
  60 BL_FUSE_HIGH = 0xDE
  61 BL_FUSE_EXT  = 0x7
  62 BL_FUSE_LOCK = 0x2F
  63
  64 # Source files to compile ---------------------------------------------------
  65
  66 # List C source files here. (C dependencies are automatically generated.)
  67 SRC = $(TARGET).c render.c draw.c
  68
  69 # List Assembler source files here.
  70 #     Make them always end in a capital .S.
  71 ASRC =
  72
  73 # Optimization level, can be [0, 1, 2, 3, s].
  74 #     0 = turn off optimization. s = optimize for size.
  75 #     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
  76 OPT = 1
  77
  78 # Output formats and debug format -------------------------------------------
  79
  80 # Output format. (can be srec, ihex, binary)
  81 FORMAT = ihex
  82
  83 # Debugging format.
  84 # Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
  85 # AVR (extended) COFF requires stabs, plus an avr-objcopy run.
  86 DEBUG = dwarf-2
  87
  88 # Command names (and paths/parameters to them...) ---------------------------
  89
  90 CC = avr-gcc
  91 OBJCOPY = avr-objcopy
  92 OBJDUMP = avr-objdump
  93 SIZE = avr-size
  94 NM = avr-nm
  95 AVRDUDE = avrdude
  96 REMOVE = rm -f
  97 MV = mv -f
  98
  99 # Compiler flag to set the C Standard level.
 100 # c89   - "ANSI" C
 101 # gnu89 - c89 plus GCC extensions
 102 # c99   - ISO C99 standard (not yet fully implemented)
 103 # gnu99 - c99 plus GCC extensions
 104 CSTANDARD = -std=gnu99
 105
 106 # Place -D or -U options here
 107 CDEFS = -DF_CPU=$(F_CPU)UL
 108
 109 # Place -I options here
 110 CINCS =
 111
 112 CFLAGS = -g$(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CSTANDARD)
 113 CFLAGS += -funsigned-char
 114 CFLAGS += -funsigned-bitfields
 115 CFLAGS += -fpack-struct
 116 CFLAGS += -fshort-enums
 117 CFLAGS += -Wall
 118 CFLAGS += -Wstrict-prototypes
 119 #CFLAGS += -mshort-calls
 120 #CFLAGS += -fno-unit-at-a-time
 121 #CFLAGS += -Wundef
 122 #CFLAGS += -Wunreachable-code
 123 #CFLAGS += -Wsign-compare
 124
 125 #ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
 126
 127
 128 #Additional libraries.
 129
 130 MATH_LIB = -lm
 131
 132 # Minimalistic printf version
 133 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
 134
 135 # Floating point printf version (requires MATH_LIB = -lm)
 136 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
 137
 138 # If this is left blank, then it will use the Standard printf version.
 139 PRINTF_LIB =
 140 #PRINTF_LIB = $(PRINTF_LIB_MIN)
 141 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
 142
 143
 144 # Minimalistic scanf version
 145 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
 146
 147 # Floating point + %[ scanf version (requires MATH_LIB = -lm)
 148 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
 149
 150 # If this is left blank, then it will use the Standard scanf version.
 151 SCANF_LIB =
 152 #SCANF_LIB = $(SCANF_LIB_MIN)
 153 #SCANF_LIB = $(SCANF_LIB_FLOAT)
 154
 155
 156 # External memory options
 157
 158 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
 159 # used for variables (.data/.bss) and heap (malloc()).
 160 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
 161
 162 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
 163 # only used for heap (malloc()).
 164 #EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
 165
 166 EXTMEMOPTS =
 167
 168
 169 #LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
 170 LDFLAGS = $(EXTMEMOPTS) $(LDMAP) $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 171
 172
 173 # Programming support using avrdude. Settings and variables.
 174
 175 AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
 176 #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
 177
 178
 179 # Uncomment the following if you want avrdude's erase cycle counter.
 180 # Note that this counter needs to be initialized first using -Yn,
 181 # see avrdude manual.
 182 #AVRDUDE_ERASE_COUNTER = -y
 183
 184 # Uncomment the following if you do /not/ wish a verification to be
 185 # performed after programming the device.
 186 #AVRDUDE_NO_VERIFY = -V
 187
 188 # Increase verbosity level.  Please use this when submitting bug
 189 # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
 190 # to submit bug reports.
 191 #AVRDUDE_VERBOSE = -v -v
 192
 193 AVRDUDE_PROG = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
 194 AVRDUDE_FLAGS   = $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
 195
 196
 197 # Define all object files.
 198 OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
 199
 200 # Define all listing files.
 201 LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
 202
 203 # Combine all necessary flags and optional flags.
 204 # Add target processor to flags.
 205 ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
 206 ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 207
 208
 209 # Default target.
 210 all: build
 211
 212 build: elf hex eep size
 213
 214 elf: $(TARGET).elf
 215 hex: $(TARGET).hex
 216 eep: $(TARGET).eep
 217 lss: $(TARGET).lss
 218 sym: $(TARGET).sym
 219
 220 # Display size of file.
 221 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
 222 ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 223
 224 size:
 225         @echo
 226         $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 227         $(SIZE) --target=$(FORMAT) $(TARGET).hex
 228
 229 # Program the device.
 230 program: $(TARGET).hex $(TARGET).eep
 231         $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
 232
 233 bl_program: $(TARGET).hex $(TARGET).eep
 234         $(AVRDUDE) -p $(MCU) -c $(AVRDUDE_BL_PROGRAMMER) -P $(AVRDUDE_BL_PORT) -b $(AVRDUDE_BL_SPEED) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER) $(AVRDUDE_WRITE_FLASH)
 235
 236 # make fuseread can be used to test programmer connectivity, and naturally to verify fuses..
 237 fuseread:
 238         $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -q -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h
 239
 240 FUSES =
 241 ifdef FUSE_EXT
 242 FUSES += -U efuse:w:$(FUSE_EXT):m
 243 endif
 244 FUSES += -U hfuse:w:$(FUSE_HIGH):m
 245 FUSES += -U lfuse:w:$(FUSE_LOW):m
 246
 247 fusebits: $(TARGET).hex
 248         $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) $(FUSES)
 249
 250 lockbits: $(TARGET).hex
 251         $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -e -u -U lock:w:$(FUSE_LOCK):m
 252
 253 bl_fusebits: $(TARGET).hex
 254         $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -U efuse:w:$(BL_FUSE_EXT):m -U hfuse:w:$(BL_FUSE_HIGH):m -U lfuse:w:$(BL_FUSE_LOW):m
 255
 256 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
 257 COFFCONVERT=$(OBJCOPY) --debugging \
 258 --change-section-address .data-0x800000 \
 259 --change-section-address .bss-0x800000 \
 260 --change-section-address .noinit-0x800000 \
 261 --change-section-address .eeprom-0x810000
 262
 263 coff: $(TARGET).elf
 264         $(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
 265
 266
 267 extcoff: $(TARGET).elf
 268         $(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
 269
 270
 271 .SUFFIXES: .elf .hex .eep .lss .sym
 272
 273 .elf.hex:
 274         $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
 275
 276 .elf.eep:
 277         -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
 278         --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
 279
 280 # Create extended listing file from ELF output file.
 281 .elf.lss:
 282         $(OBJDUMP) -h -S $< > $@
 283
 284 # Create a symbol table from ELF output file.
 285 .elf.sym:
 286         $(NM) -n $< > $@
 287
 288
 289
 290 # Link: create ELF output file from object files.
 291 $(TARGET).elf: $(OBJ)
 292         $(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
 293
 294
 295 # Compile: create object files from C source files.
 296 .c.o:
 297         $(CC) -c $(ALL_CFLAGS) $< -o $@
 298
 299
 300 # Compile: create assembler files from C source files.
 301 .c.s:
 302         $(CC) -S $(ALL_CFLAGS) $< -o $@
 303
 304
 305 # Assemble: create object files from assembler source files.
 306 .S.o:
 307         $(CC) -c $(ALL_ASFLAGS) $< -o $@
 308
 309
 310
 311 # Target: clean project.
 312 clean:
 313         $(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
 314         $(TARGET).map $(TARGET).sym $(TARGET).lss \
 315         $(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d)
 316
 317 # Name of this Makefile (used for "make depend").
 318 MAKEFILE = Makefile
 319
 320 depend:
 321         if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
 322         then \
 323                 sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
 324                         $(MAKEFILE).$$$$ && \
 325                 $(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
 326         fi
 327         echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
 328                 >> $(MAKEFILE); \
 329         $(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
 330
 331 .PHONY: all build elf hex eep lss sym program coff extcoff clean depend
 332