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