rules.mk

   1 # Hey Emacs, this is a -*- makefile -*-
   2 #----------------------------------------------------------------------------
   3 # WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
   4 #
   5 # Released to the Public Domain
   6 #
   7 # Additional material for this makefile was written by:
   8 # Peter Fleury
   9 # Tim Henigan
  10 # Colin O'Flynn
  11 # Reiner Patommel
  12 # Markus Pfaff
  13 # Sander Pool
  14 # Frederik Rouleau
  15 # Carlos Lamas
  16 #
  17 #----------------------------------------------------------------------------
  18 # On command line:
  19 #
  20 # make all = Make software.
  21 #
  22 # make clean = Clean out built project files.
  23 #
  24 # make coff = Convert ELF to AVR COFF.
  25 #
  26 # make extcoff = Convert ELF to AVR Extended COFF.
  27 #
  28 # make program = Download the hex file to the device, using avrdude.
  29 #                Please customize the avrdude settings below first!
  30 #
  31 # make debug = Start either simulavr or avarice as specified for debugging,
  32 #              with avr-gdb or avr-insight as the front end for debugging.
  33 #
  34 # make filename.s = Just compile filename.c into the assembler code only.
  35 #
  36 # make filename.i = Create a preprocessed source file for use in submitting
  37 #                   bug reports to the GCC project.
  38 #
  39 # To rebuild project do "make clean" then "make all".
  40 #----------------------------------------------------------------------------
  41
  42
  43 # Output format. (can be srec, ihex, binary)
  44 FORMAT = ihex
  45
  46
  47 # Object files directory
  48 #     To put object files in current directory, use a dot (.), do NOT make
  49 #     this an empty or blank macro!
  50 OBJDIR = obj_$(TARGET)
  51
  52
  53 # Optimization level, can be [0, 1, 2, 3, s].
  54 #     0 = turn off optimization. s = optimize for size.
  55 #     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
  56 OPT = s
  57
  58
  59 # Debugging format.
  60 #     Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
  61 #     AVR Studio 4.10 requires dwarf-2.
  62 #     AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
  63 DEBUG = dwarf-2
  64
  65
  66 # List any extra directories to look for include files here.
  67 #     Each directory must be seperated by a space.
  68 #     Use forward slashes for directory separators.
  69 #     For a directory that has spaces, enclose it in quotes.
  70 EXTRAINCDIRS = $(subst :, ,$(VPATH))
  71
  72
  73 # Compiler flag to set the C Standard level.
  74 #     c89   = "ANSI" C
  75 #     gnu89 = c89 plus GCC extensions
  76 #     c99   = ISO C99 standard (not yet fully implemented)
  77 #     gnu99 = c99 plus GCC extensions
  78 CSTANDARD = -std=gnu99
  79
  80
  81 # Place -D or -U options here for C sources
  82 CDEFS = -DF_CPU=$(F_CPU)UL
  83 CDEFS += $(OPT_DEFS)
  84
  85
  86 # Place -D or -U options here for ASM sources
  87 ADEFS = -DF_CPU=$(F_CPU)
  88 ADEFS += $(OPT_DEFS)
  89
  90
  91 # Place -D or -U options here for C++ sources
  92 CPPDEFS = -DF_CPU=$(F_CPU)UL
  93 #CPPDEFS += -D__STDC_LIMIT_MACROS
  94 #CPPDEFS += -D__STDC_CONSTANT_MACROS
  95 CPPDEFS += $(OPT_DEFS)
  96
  97
  98
  99 #---------------- Compiler Options C ----------------
 100 #  -g*:          generate debugging information
 101 #  -O*:          optimization level
 102 #  -f...:        tuning, see GCC manual and avr-libc documentation
 103 #  -Wall...:     warning level
 104 #  -Wa,...:      tell GCC to pass this to the assembler.
 105 #    -adhlns...: create assembler listing
 106 CFLAGS = -g$(DEBUG)
 107 CFLAGS += $(CDEFS)
 108 CFLAGS += -O$(OPT)
 109 CFLAGS += -funsigned-char
 110 CFLAGS += -funsigned-bitfields
 111 CFLAGS += -ffunction-sections
 112 CFLAGS += -fno-inline-small-functions
 113 CFLAGS += -fpack-struct
 114 CFLAGS += -fshort-enums
 115 CFLAGS += -fno-strict-aliasing
 116 CFLAGS += -Wall
 117 CFLAGS += -Wstrict-prototypes
 118 #CFLAGS += -mshort-calls
 119 #CFLAGS += -fno-unit-at-a-time
 120 #CFLAGS += -Wundef
 121 #CFLAGS += -Wunreachable-code
 122 #CFLAGS += -Wsign-compare
 123 CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
 124 CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
 125 CFLAGS += $(CSTANDARD)
 126 ifdef CONFIG_H
 127     CFLAGS += -include $(CONFIG_H)
 128 endif
 129
 130
 131 #---------------- Compiler Options C++ ----------------
 132 #  -g*:          generate debugging information
 133 #  -O*:          optimization level
 134 #  -f...:        tuning, see GCC manual and avr-libc documentation
 135 #  -Wall...:     warning level
 136 #  -Wa,...:      tell GCC to pass this to the assembler.
 137 #    -adhlns...: create assembler listing
 138 CPPFLAGS = -g$(DEBUG)
 139 CPPFLAGS += $(CPPDEFS)
 140 CPPFLAGS += -O$(OPT)
 141 CPPFLAGS += -funsigned-char
 142 CPPFLAGS += -funsigned-bitfields
 143 CPPFLAGS += -fpack-struct
 144 CPPFLAGS += -fshort-enums
 145 CPPFLAGS += -fno-exceptions
 146 CPPFLAGS += -Wall
 147 CPPFLAGS += -Wundef
 148 #CPPFLAGS += -mshort-calls
 149 #CPPFLAGS += -fno-unit-at-a-time
 150 #CPPFLAGS += -Wstrict-prototypes
 151 #CPPFLAGS += -Wunreachable-code
 152 #CPPFLAGS += -Wsign-compare
 153 CPPFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
 154 CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
 155 #CPPFLAGS += $(CSTANDARD)
 156 ifdef CONFIG_H
 157     CPPFLAGS += -include $(CONFIG_H)
 158 endif
 159
 160
 161 #---------------- Assembler Options ----------------
 162 #  -Wa,...:   tell GCC to pass this to the assembler.
 163 #  -adhlns:   create listing
 164 #  -gstabs:   have the assembler create line number information; note that
 165 #             for use in COFF files, additional information about filenames
 166 #             and function names needs to be present in the assembler source
 167 #             files -- see avr-libc docs [FIXME: not yet described there]
 168 #  -listing-cont-lines: Sets the maximum number of continuation lines of hex
 169 #       dump that will be displayed for a given single line of source input.
 170 ASFLAGS = $(ADEFS) -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
 171 ifdef CONFIG_H
 172     ASFLAGS += -include $(CONFIG_H)
 173 endif
 174
 175
 176 #---------------- Library Options ----------------
 177 # Minimalistic printf version
 178 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
 179
 180 # Floating point printf version (requires MATH_LIB = -lm below)
 181 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
 182
 183 # If this is left blank, then it will use the Standard printf version.
 184 PRINTF_LIB =
 185 #PRINTF_LIB = $(PRINTF_LIB_MIN)
 186 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
 187
 188
 189 # Minimalistic scanf version
 190 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
 191
 192 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
 193 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
 194
 195 # If this is left blank, then it will use the Standard scanf version.
 196 SCANF_LIB =
 197 #SCANF_LIB = $(SCANF_LIB_MIN)
 198 #SCANF_LIB = $(SCANF_LIB_FLOAT)
 199
 200
 201 MATH_LIB = -lm
 202
 203
 204 # List any extra directories to look for libraries here.
 205 #     Each directory must be seperated by a space.
 206 #     Use forward slashes for directory separators.
 207 #     For a directory that has spaces, enclose it in quotes.
 208 EXTRALIBDIRS =
 209
 210
 211
 212 #---------------- External Memory Options ----------------
 213
 214 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
 215 # used for variables (.data/.bss) and heap (malloc()).
 216 #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
 217
 218 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
 219 # only used for heap (malloc()).
 220 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
 221
 222 EXTMEMOPTS =
 223
 224
 225
 226 #---------------- Linker Options ----------------
 227 #  -Wl,...:     tell GCC to pass this to linker.
 228 #    -Map:      create map file
 229 #    --cref:    add cross reference to  map file
 230 #
 231 # Comennt out "--relax" option to avoid a error such:
 232 #       (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
 233 #
 234 LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
 235 LDFLAGS += -Wl,--relax
 236 LDFLAGS += -Wl,--gc-sections
 237 LDFLAGS += $(EXTMEMOPTS)
 238 LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
 239 LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 240 #LDFLAGS += -T linker_script.x
 241 # You can give EXTRALDFLAGS at 'make' command line.
 242 LDFLAGS += $(EXTRALDFLAGS)
 243
 244
 245
 246 #---------------- Debugging Options ----------------
 247
 248 # For simulavr only - target MCU frequency.
 249 DEBUG_MFREQ = $(F_CPU)
 250
 251 # Set the DEBUG_UI to either gdb or insight.
 252 # DEBUG_UI = gdb
 253 DEBUG_UI = insight
 254
 255 # Set the debugging back-end to either avarice, simulavr.
 256 DEBUG_BACKEND = avarice
 257 #DEBUG_BACKEND = simulavr
 258
 259 # GDB Init Filename.
 260 GDBINIT_FILE = __avr_gdbinit
 261
 262 # When using avarice settings for the JTAG
 263 JTAG_DEV = /dev/com1
 264
 265 # Debugging port used to communicate between GDB / avarice / simulavr.
 266 DEBUG_PORT = 4242
 267
 268 # Debugging host used to communicate between GDB / avarice / simulavr, normally
 269 #     just set to localhost unless doing some sort of crazy debugging when
 270 #     avarice is running on a different computer.
 271 DEBUG_HOST = localhost
 272
 273
 274
 275 #============================================================================
 276
 277
 278 # Define programs and commands.
 279 SHELL = sh
 280 CC = avr-gcc
 281 OBJCOPY = avr-objcopy
 282 OBJDUMP = avr-objdump
 283 SIZE = avr-size
 284 AR = avr-ar rcs
 285 NM = avr-nm
 286 REMOVE = rm -f
 287 REMOVEDIR = rmdir
 288 COPY = cp
 289 WINSHELL = cmd
 290
 291
 292 # Define Messages
 293 # English
 294 MSG_ERRORS_NONE = Errors: none
 295 MSG_BEGIN = -------- begin --------
 296 MSG_END = --------  end  --------
 297 MSG_SIZE_BEFORE = Size before:
 298 MSG_SIZE_AFTER = Size after:
 299 MSG_COFF = Converting to AVR COFF:
 300 MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
 301 MSG_FLASH = Creating load file for Flash:
 302 MSG_EEPROM = Creating load file for EEPROM:
 303 MSG_EXTENDED_LISTING = Creating Extended Listing:
 304 MSG_SYMBOL_TABLE = Creating Symbol Table:
 305 MSG_LINKING = Linking:
 306 MSG_COMPILING = Compiling C:
 307 MSG_COMPILING_CPP = Compiling C++:
 308 MSG_ASSEMBLING = Assembling:
 309 MSG_CLEANING = Cleaning project:
 310 MSG_CREATING_LIBRARY = Creating library:
 311
 312
 313
 314
 315 # Define all object files.
 316 OBJ = $(patsubst %.c,$(OBJDIR)/%.o,$(patsubst %.cpp,$(OBJDIR)/%.o,$(patsubst %.S,$(OBJDIR)/%.o,$(SRC))))
 317
 318 # Define all listing files.
 319 LST = $(patsubst %.c,$(OBJDIR)/%.lst,$(patsubst %.cpp,$(OBJDIR)/%.lst,$(patsubst %.S,$(OBJDIR)/%.lst,$(SRC))))
 320
 321
 322 # Compiler flags to generate dependency files.
 323 GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
 324
 325
 326 # Combine all necessary flags and optional flags.
 327 # Add target processor to flags.
 328 # You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
 329 ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
 330 ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS)
 331 ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
 332
 333
 334
 335
 336
 337 # Default target.
 338 all: begin gccversion sizebefore build sizeafter end
 339
 340 # Change the build target to build a HEX file or a library.
 341 build: elf hex eep lss sym
 342 #build: lib
 343
 344
 345 elf: $(TARGET).elf
 346 hex: $(TARGET).hex
 347 eep: $(TARGET).eep
 348 lss: $(TARGET).lss
 349 sym: $(TARGET).sym
 350 LIBNAME=lib$(TARGET).a
 351 lib: $(LIBNAME)
 352
 353
 354
 355 # Eye candy.
 356 # AVR Studio 3.x does not check make's exit code but relies on
 357 # the following magic strings to be generated by the compile job.
 358 begin:
 359         @echo
 360         @echo $(MSG_BEGIN)
 361
 362 end:
 363         @echo $(MSG_END)
 364         @echo
 365
 366
 367 # Display size of file.
 368 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
 369 #ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 370 ELFSIZE = $(SIZE) $(TARGET).elf
 371
 372 sizebefore:
 373         @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
 374         2>/dev/null; echo; fi
 375
 376 sizeafter:
 377         @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 378         2>/dev/null; echo; fi
 379
 380
 381
 382 # Display compiler version information.
 383 gccversion :
 384         @$(CC) --version
 385
 386
 387
 388 # Program the device.
 389 program: $(TARGET).hex $(TARGET).eep
 390         $(PROGRAM_CMD)
 391
 392 teensy: $(TARGET).hex
 393         teensy_loader_cli -mmcu=$(MCU) -w -v $(TARGET).hex
 394
 395 flip: $(TARGET).hex
 396         batchisp -hardware usb -device $(MCU) -operation erase f
 397         batchisp -hardware usb -device $(MCU) -operation loadbuffer $(TARGET).hex program
 398         batchisp -hardware usb -device $(MCU) -operation start reset 0
 399
 400 dfu: $(TARGET).hex
 401         dfu-programmer $(MCU) erase
 402         dfu-programmer $(MCU) flash $(TARGET).hex
 403         dfu-programmer $(MCU) reset
 404
 405 flip-ee: $(TARGET).hex $(TARGET).eep
 406         $(COPY) $(TARGET).eep $(TARGET)eep.hex
 407         batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase
 408         batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(TARGET)eep.hex program
 409         batchisp -hardware usb -device $(MCU) -operation start reset 0
 410         $(REMOVE) $(TARGET)eep.hex
 411
 412 dfu-ee: $(TARGET).hex $(TARGET).eep
 413         dfu-programmer $(MCU) eeprom-flash $(TARGET).eep
 414         dfu-programmer $(MCU) reset
 415
 416
 417 # Generate avr-gdb config/init file which does the following:
 418 #     define the reset signal, load the target file, connect to target, and set
 419 #     a breakpoint at main().
 420 gdb-config:
 421         @$(REMOVE) $(GDBINIT_FILE)
 422         @echo define reset >> $(GDBINIT_FILE)
 423         @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
 424         @echo end >> $(GDBINIT_FILE)
 425         @echo file $(TARGET).elf >> $(GDBINIT_FILE)
 426         @echo target remote $(DEBUG_HOST):$(DEBUG_PORT)  >> $(GDBINIT_FILE)
 427 ifeq ($(DEBUG_BACKEND),simulavr)
 428         @echo load  >> $(GDBINIT_FILE)
 429 endif
 430         @echo break main >> $(GDBINIT_FILE)
 431
 432 debug: gdb-config $(TARGET).elf
 433 ifeq ($(DEBUG_BACKEND), avarice)
 434         @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
 435         @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
 436         $(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
 437         @$(WINSHELL) /c pause
 438
 439 else
 440         @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
 441         $(DEBUG_MFREQ) --port $(DEBUG_PORT)
 442 endif
 443         @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
 444
 445
 446
 447
 448 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
 449 COFFCONVERT = $(OBJCOPY) --debugging
 450 COFFCONVERT += --change-section-address .data-0x800000
 451 COFFCONVERT += --change-section-address .bss-0x800000
 452 COFFCONVERT += --change-section-address .noinit-0x800000
 453 COFFCONVERT += --change-section-address .eeprom-0x810000
 454
 455
 456
 457 coff: $(TARGET).elf
 458         @echo
 459         @echo $(MSG_COFF) $(TARGET).cof
 460         $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
 461
 462
 463 extcoff: $(TARGET).elf
 464         @echo
 465         @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
 466         $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
 467
 468
 469
 470 # Create final output files (.hex, .eep) from ELF output file.
 471 %.hex: %.elf
 472         @echo
 473         @echo $(MSG_FLASH) $@
 474         $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature $< $@
 475
 476 %.eep: %.elf
 477         @echo
 478         @echo $(MSG_EEPROM) $@
 479         -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
 480         --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
 481
 482 # Create extended listing file from ELF output file.
 483 %.lss: %.elf
 484         @echo
 485         @echo $(MSG_EXTENDED_LISTING) $@
 486         $(OBJDUMP) -h -S -z $< > $@
 487
 488 # Create a symbol table from ELF output file.
 489 %.sym: %.elf
 490         @echo
 491         @echo $(MSG_SYMBOL_TABLE) $@
 492         $(NM) -n $< > $@
 493
 494
 495
 496 # Create library from object files.
 497 .SECONDARY : $(TARGET).a
 498 .PRECIOUS : $(OBJ)
 499 %.a: $(OBJ)
 500         @echo
 501         @echo $(MSG_CREATING_LIBRARY) $@
 502         $(AR) $@ $(OBJ)
 503
 504
 505 # Link: create ELF output file from object files.
 506 .SECONDARY : $(TARGET).elf
 507 .PRECIOUS : $(OBJ)
 508 %.elf: $(OBJ)
 509         @echo
 510         @echo $(MSG_LINKING) $@
 511         $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
 512
 513
 514 # Compile: create object files from C source files.
 515 $(OBJDIR)/%.o : %.c
 516         @echo
 517         mkdir -p $(@D)
 518         @echo $(MSG_COMPILING) $<
 519         $(CC) -c $(ALL_CFLAGS) $< -o $@
 520
 521
 522 # Compile: create object files from C++ source files.
 523 $(OBJDIR)/%.o : %.cpp
 524         @echo
 525         @echo $(MSG_COMPILING_CPP) $<
 526         $(CC) -c $(ALL_CPPFLAGS) $< -o $@
 527
 528
 529 # Compile: create assembler files from C source files.
 530 %.s : %.c
 531         $(CC) -S $(ALL_CFLAGS) $< -o $@
 532
 533
 534 # Compile: create assembler files from C++ source files.
 535 %.s : %.cpp
 536         $(CC) -S $(ALL_CPPFLAGS) $< -o $@
 537
 538
 539 # Assemble: create object files from assembler source files.
 540 $(OBJDIR)/%.o : %.S
 541         @echo
 542         @echo $(MSG_ASSEMBLING) $<
 543         $(CC) -c $(ALL_ASFLAGS) $< -o $@
 544
 545
 546 # Create preprocessed source for use in sending a bug report.
 547 %.i : %.c
 548         $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
 549
 550
 551 # Target: clean project.
 552 clean: begin clean_list end
 553
 554 clean_list :
 555         @echo
 556         $(REMOVE) $(TARGET).hex
 557         $(REMOVE) $(TARGET).eep
 558         $(REMOVE) $(TARGET).cof
 559         $(REMOVE) $(TARGET).elf
 560         $(REMOVE) $(TARGET).map
 561         $(REMOVE) $(TARGET).sym
 562         $(REMOVE) $(TARGET).lss
 563         $(REMOVE) $(OBJ)
 564         $(REMOVE) $(LST)
 565         $(REMOVE) $(OBJ:.o=.s)
 566         $(REMOVE) $(OBJ:.o=.i)
 567         $(REMOVE) -r .dep
 568         $(REMOVE) -r $(OBJDIR)
 569
 570
 571 # Create object files directory
 572 $(shell mkdir $(OBJDIR) 2>/dev/null)
 573
 574
 575 # Include the dependency files.
 576 -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
 577
 578
 579 # Listing of phony targets.
 580 .PHONY : all begin finish end sizebefore sizeafter gccversion \
 581 build elf hex eep lss sym coff extcoff \
 582 clean clean_list program debug gdb-config
 583