Simple single-color 8x8x8 LED Cube with AVRs
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  1. # Makefile
  2. #
  3. # On command line:
  4. #
  5. # make all = Make software.
  6. #
  7. # make clean = Clean out built project files.
  8. #
  9. # make coff = Convert ELF to AVR COFF (for use with AVR Studio 3.x or VMLAB).
  10. #
  11. # make extcoff = Convert ELF to AVR Extended COFF (for use with AVR Studio
  12. # 4.07 or greater).
  13. #
  14. # make program = Download the hex file to the device, using avrdude. Please
  15. # customize the avrdude settings below first!
  16. #
  17. # make filename.s = Just compile filename.c into the assembler code only
  18. #
  19. # To rebuild project do "make clean" then "make all".
  20. #
  21. #CDEFS = -D DEBUG
  22. # MCU name
  23. MCU = atmega32
  24. # Main Oscillator Frequency
  25. # This is only used to define F_OSC in all assembler and c-sources.
  26. F_CPU = 16000000
  27. # Output format. (can be srec, ihex, binary)
  28. FORMAT = ihex
  29. # Target file name (without extension).
  30. TARGET = main
  31. # List C source files here. (C dependencies are automatically generated.)
  32. SRC = $(TARGET).c
  33. SRC += serial.c # Additional Source-File
  34. SRC += cube.c
  35. SRC += twi.c
  36. SRC += mem.c
  37. SRC += audio.c
  38. SRC += time.c
  39. SRC += memLayer.c
  40. SRC += strings.c
  41. SRC += buffhelp.c
  42. SRC += visualizer.c
  43. SRC += animations.c
  44. SRC += transmit.c
  45. SRC += generator.c
  46. SRC += font.c
  47. # List Assembler source files here.
  48. # Make them always end in a capital .S. Files ending in a lowercase .s
  49. # will not be considered source files but generated files (assembler
  50. # output from the compiler), and will be deleted upon "make clean"!
  51. # Even though the DOS/Win* filesystem matches both .s and .S the same,
  52. # it will preserve the spelling of the filenames, and gcc itself does
  53. # care about how the name is spelled on its command-line.
  54. ASRC =
  55. # Optimization level, can be [0, 1, 2, 3, s].
  56. # 0 = turn off optimization. s = optimize for size.
  57. # (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
  58. OPT = s
  59. # Debugging format.
  60. # Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
  61. # AVR (extended) COFF requires stabs, plus an avr-objcopy run.
  62. #DEBUG = stabs
  63. # List any extra directories to look for include files here.
  64. # Each directory must be seperated by a space.
  65. EXTRAINCDIRS = header
  66. # Compiler flag to set the C Standard level.
  67. # c89 - "ANSI" C
  68. # gnu89 - c89 plus GCC extensions
  69. # c99 - ISO C99 standard (not yet fully implemented)
  70. # gnu99 - c99 plus GCC extensions
  71. CSTANDARD = -std=gnu99
  72. # Place -I options here
  73. CINCS =
  74. # Compiler flags.
  75. # -g*: generate debugging information
  76. # -O*: optimization level
  77. # -f...: tuning, see GCC manual and avr-libc documentation
  78. # -Wall...: warning level
  79. # -Wa,...: tell GCC to pass this to the assembler.
  80. # -adhlns...: create assembler listing
  81. #CFLAGS = -g$(DEBUG)
  82. CFLAGS += $(CDEFS) $(CINCS)
  83. CFLAGS += -O$(OPT)
  84. CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
  85. CFLAGS += -Wall -Wstrict-prototypes
  86. CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
  87. CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
  88. CFLAGS += $(CSTANDARD)
  89. CFLAGS += -DF_CPU=$(F_CPU)
  90. # Assembler flags.
  91. # -Wa,...: tell GCC to pass this to the assembler.
  92. # -ahlms: create listing
  93. # -gstabs: have the assembler create line number information; note that
  94. # for use in COFF files, additional information about filenames
  95. # and function names needs to be present in the assembler source
  96. # files -- see avr-libc docs [FIXME: not yet described there]
  97. ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
  98. ASFLAGS += -DF_CPU=$(F_CPU)
  99. #Additional libraries.
  100. # Minimalistic printf version
  101. PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
  102. # Floating point printf version (requires MATH_LIB = -lm below)
  103. PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
  104. PRINTF_LIB =
  105. # Minimalistic scanf version
  106. SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
  107. # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
  108. SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
  109. SCANF_LIB =
  110. MATH_LIB = -lm
  111. # External memory options
  112. # 64 KB of external RAM, starting after internal RAM (ATmega128!),
  113. # used for variables (.data/.bss) and heap (malloc()).
  114. #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
  115. # 64 KB of external RAM, starting after internal RAM (ATmega128!),
  116. # only used for heap (malloc()).
  117. #EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
  118. EXTMEMOPTS =
  119. # Linker flags.
  120. # -Wl,...: tell GCC to pass this to linker.
  121. # -Map: create map file
  122. # --cref: add cross reference to map file
  123. LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
  124. LDFLAGS += $(EXTMEMOPTS)
  125. LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
  126. # Programming support using avrdude. Settings and variables.
  127. # Programming hardware: alf avr910 avrisp bascom bsd
  128. # dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
  129. #
  130. # Type: avrdude -c ?
  131. # to get a full listing.
  132. #
  133. AVRDUDE_PROGRAMMER = stk500
  134. # com1 = serial port. Use lpt1 to connect to parallel port.
  135. AVRDUDE_PORT = com1 # programmer connected to serial device
  136. AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
  137. #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
  138. # Uncomment the following if you want avrdude's erase cycle counter.
  139. # Note that this counter needs to be initialized first using -Yn,
  140. # see avrdude manual.
  141. #AVRDUDE_ERASE_COUNTER = -y
  142. # Uncomment the following if you do /not/ wish a verification to be
  143. # performed after programming the device.
  144. #AVRDUDE_NO_VERIFY = -V
  145. # Increase verbosity level. Please use this when submitting bug
  146. # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
  147. # to submit bug reports.
  148. #AVRDUDE_VERBOSE = -v -v
  149. AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
  150. AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
  151. AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
  152. AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
  153. # ---------------------------------------------------------------------------
  154. # Define directories, if needed.
  155. DIRAVR = /usr/local/CrossPack-AVR
  156. DIRAVRBIN = $(DIRAVR)/bin
  157. DIRAVRUTILS = $(DIRAVR)/bin
  158. DIRINC = .
  159. DIRLIB = $(DIRAVR)/lib
  160. # Define programs and commands.
  161. SHELL = bash
  162. CC = avr-gcc
  163. OBJCOPY = avr-objcopy
  164. OBJDUMP = avr-objdump
  165. SIZE = avr-size
  166. NM = avr-nm
  167. AVRDUDE = avrdude
  168. REMOVE = rm -f
  169. COPY = cp
  170. # Define Messages
  171. # English
  172. MSG_ERRORS_NONE = Errors: none
  173. MSG_BEGIN = -------- begin --------
  174. MSG_END = -------- end --------
  175. MSG_SIZE_BEFORE = Size before:
  176. MSG_SIZE_AFTER = Size after:
  177. MSG_COFF = Converting to AVR COFF:
  178. MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
  179. MSG_FLASH = Creating load file for Flash:
  180. MSG_EEPROM = Creating load file for EEPROM:
  181. MSG_EXTENDED_LISTING = Creating Extended Listing:
  182. MSG_SYMBOL_TABLE = Creating Symbol Table:
  183. MSG_LINKING = Linking:
  184. MSG_COMPILING = Compiling:
  185. MSG_ASSEMBLING = Assembling:
  186. MSG_CLEANING = Cleaning project:
  187. # Define all object files.
  188. OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
  189. # Define all listing files.
  190. LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
  191. # Compiler flags to generate dependency files.
  192. ### GENDEPFLAGS = -Wp,-M,-MP,-MT,$(*F).o,-MF,.dep/$(@F).d
  193. GENDEPFLAGS = -MD -MP -MF .dep/$(@F).d
  194. # Combine all necessary flags and optional flags.
  195. # Add target processor to flags.
  196. ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
  197. ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
  198. # Default target.
  199. all: begin gccversion sizebefore build finished end clean
  200. build: elf hex eep lss sym
  201. elf: $(TARGET).elf
  202. hex: $(TARGET).hex
  203. eep: $(TARGET).eep
  204. lss: $(TARGET).lss
  205. sym: $(TARGET).sym
  206. # Eye candy.
  207. # AVR Studio 3.x does not check make's exit code but relies on
  208. # the following magic strings to be generated by the compile job.
  209. begin:
  210. @echo
  211. @echo $(MSG_BEGIN)
  212. finished:
  213. @echo $(MSG_ERRORS_NONE)
  214. end:
  215. @echo $(MSG_END)
  216. @echo
  217. # Display size of file.
  218. HEXSIZE = $(SIZE) --mcu=$(MCU) --target=$(FORMAT) $(TARGET).hex
  219. ELFSIZE = $(SIZE) --mcu=$(MCU) -C $(TARGET).elf
  220. sizebefore:
  221. @if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
  222. sizeafter:
  223. @if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
  224. # Display compiler version information.
  225. gccversion :
  226. @$(CC) --version
  227. # Program the device.
  228. program: $(TARGET).hex $(TARGET).eep
  229. $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
  230. # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
  231. COFFCONVERT=$(OBJCOPY) --debugging \
  232. --change-section-address .data-0x800000 \
  233. --change-section-address .bss-0x800000 \
  234. --change-section-address .noinit-0x800000 \
  235. --change-section-address .eeprom-0x810000
  236. coff: $(TARGET).elf
  237. @echo
  238. @echo $(MSG_COFF) $(TARGET).cof
  239. $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
  240. extcoff: $(TARGET).elf
  241. @echo
  242. @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
  243. $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
  244. # Create final output files (.hex, .eep) from ELF output file.
  245. %.hex: %.elf
  246. @echo
  247. @echo $(MSG_FLASH) $@
  248. $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
  249. %.eep: %.elf
  250. @echo
  251. @echo $(MSG_EEPROM) $@
  252. -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
  253. --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
  254. # Create extended listing file from ELF output file.
  255. %.lss: %.elf
  256. @echo
  257. @echo $(MSG_EXTENDED_LISTING) $@
  258. $(OBJDUMP) -h -S $< > $@
  259. # Create a symbol table from ELF output file.
  260. %.sym: %.elf
  261. @echo
  262. @echo $(MSG_SYMBOL_TABLE) $@
  263. $(NM) -n $< > $@
  264. # Link: create ELF output file from object files.
  265. .SECONDARY : $(TARGET).elf
  266. .PRECIOUS : $(OBJ)
  267. %.elf: $(OBJ)
  268. @echo
  269. @echo $(MSG_LINKING) $@
  270. $(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
  271. # Compile: create object files from C source files.
  272. %.o : %.c
  273. @echo
  274. @echo $(MSG_COMPILING) $<
  275. $(CC) -c $(ALL_CFLAGS) $< -o $@
  276. # Compile: create assembler files from C source files.
  277. %.s : %.c
  278. $(CC) -S $(ALL_CFLAGS) $< -o $@
  279. # Assemble: create object files from assembler source files.
  280. %.o : %.S
  281. @echo
  282. @echo $(MSG_ASSEMBLING) $<
  283. $(CC) -c $(ALL_ASFLAGS) $< -o $@
  284. # Target: clean project.
  285. clean: begin clean_list finished end
  286. clean_list:
  287. $(REMOVE) $(TARGET).eep
  288. $(REMOVE) $(TARGET).obj
  289. $(REMOVE) $(TARGET).cof
  290. $(REMOVE) $(TARGET).map
  291. $(REMOVE) $(TARGET).obj
  292. $(REMOVE) $(TARGET).a90
  293. $(REMOVE) $(TARGET).sym
  294. $(REMOVE) $(TARGET).lnk
  295. $(REMOVE) $(TARGET).lss
  296. $(REMOVE) $(OBJ)
  297. $(REMOVE) $(LST)
  298. $(REMOVE) $(SRC:.c=.s)
  299. $(REMOVE) $(SRC:.c=.d)
  300. $(REMOVE) .dep/*
  301. @if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); fi
  302. $(REMOVE) $(TARGET).elf
  303. # Include the dependency files.
  304. -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
  305. # Listing of phony targets.
  306. .PHONY : all begin finish end sizebefore sizeafter gccversion \
  307. build elf hex eep lss sym coff extcoff \
  308. clean clean_list program