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 = $(TARGET).c
  33. SRC += serial.c # Additional Source-File
  34. SRC += cube.c
  35. SRC += twi.c
  36. SRC += mem.c
  37. SRC += audio.c
  38. SRC += time.c
  39. SRC += memLayer.c
  40. SRC += strings.c
  41. SRC += buffhelp.c
  42. SRC += visualizer.c
  43. # List Assembler source files here.
  44. # Make them always end in a capital .S. Files ending in a lowercase .s
  45. # will not be considered source files but generated files (assembler
  46. # output from the compiler), and will be deleted upon "make clean"!
  47. # Even though the DOS/Win* filesystem matches both .s and .S the same,
  48. # it will preserve the spelling of the filenames, and gcc itself does
  49. # care about how the name is spelled on its command-line.
  50. ASRC =
  51. # Optimization level, can be [0, 1, 2, 3, s].
  52. # 0 = turn off optimization. s = optimize for size.
  53. # (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
  54. OPT = s
  55. # Debugging format.
  56. # Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
  57. # AVR (extended) COFF requires stabs, plus an avr-objcopy run.
  58. #DEBUG = stabs
  59. # List any extra directories to look for include files here.
  60. # Each directory must be seperated by a space.
  61. EXTRAINCDIRS = header
  62. # Compiler flag to set the C Standard level.
  63. # c89 - "ANSI" C
  64. # gnu89 - c89 plus GCC extensions
  65. # c99 - ISO C99 standard (not yet fully implemented)
  66. # gnu99 - c99 plus GCC extensions
  67. CSTANDARD = -std=gnu99
  68. # Place -I options here
  69. CINCS =
  70. # Compiler flags.
  71. # -g*: generate debugging information
  72. # -O*: optimization level
  73. # -f...: tuning, see GCC manual and avr-libc documentation
  74. # -Wall...: warning level
  75. # -Wa,...: tell GCC to pass this to the assembler.
  76. # -adhlns...: create assembler listing
  77. #CFLAGS = -g$(DEBUG)
  78. CFLAGS += $(CDEFS) $(CINCS)
  79. CFLAGS += -O$(OPT)
  80. CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
  81. CFLAGS += -Wall -Wstrict-prototypes
  82. CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
  83. CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
  84. CFLAGS += $(CSTANDARD)
  85. CFLAGS += -DF_CPU=$(F_CPU)
  86. # Assembler flags.
  87. # -Wa,...: tell GCC to pass this to the assembler.
  88. # -ahlms: create listing
  89. # -gstabs: have the assembler create line number information; note that
  90. # for use in COFF files, additional information about filenames
  91. # and function names needs to be present in the assembler source
  92. # files -- see avr-libc docs [FIXME: not yet described there]
  93. ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
  94. ASFLAGS += -DF_CPU=$(F_CPU)
  95. #Additional libraries.
  96. # Minimalistic printf version
  97. PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
  98. # Floating point printf version (requires MATH_LIB = -lm below)
  99. PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
  100. PRINTF_LIB =
  101. # Minimalistic scanf version
  102. SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
  103. # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
  104. SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
  105. SCANF_LIB =
  106. MATH_LIB = -lm
  107. # External memory options
  108. # 64 KB of external RAM, starting after internal RAM (ATmega128!),
  109. # used for variables (.data/.bss) and heap (malloc()).
  110. #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
  111. # 64 KB of external RAM, starting after internal RAM (ATmega128!),
  112. # only used for heap (malloc()).
  113. #EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
  114. EXTMEMOPTS =
  115. # Linker flags.
  116. # -Wl,...: tell GCC to pass this to linker.
  117. # -Map: create map file
  118. # --cref: add cross reference to map file
  119. LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
  120. LDFLAGS += $(EXTMEMOPTS)
  121. LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
  122. # Programming support using avrdude. Settings and variables.
  123. # Programming hardware: alf avr910 avrisp bascom bsd
  124. # dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
  125. #
  126. # Type: avrdude -c ?
  127. # to get a full listing.
  128. #
  129. AVRDUDE_PROGRAMMER = stk500
  130. # com1 = serial port. Use lpt1 to connect to parallel port.
  131. AVRDUDE_PORT = com1 # programmer connected to serial device
  132. AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
  133. #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
  134. # Uncomment the following if you want avrdude's erase cycle counter.
  135. # Note that this counter needs to be initialized first using -Yn,
  136. # see avrdude manual.
  137. #AVRDUDE_ERASE_COUNTER = -y
  138. # Uncomment the following if you do /not/ wish a verification to be
  139. # performed after programming the device.
  140. #AVRDUDE_NO_VERIFY = -V
  141. # Increase verbosity level. Please use this when submitting bug
  142. # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
  143. # to submit bug reports.
  144. #AVRDUDE_VERBOSE = -v -v
  145. AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
  146. AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
  147. AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
  148. AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
  149. # ---------------------------------------------------------------------------
  150. # Define directories, if needed.
  151. DIRAVR = /usr/local/CrossPack-AVR
  152. DIRAVRBIN = $(DIRAVR)/bin
  153. DIRAVRUTILS = $(DIRAVR)/bin
  154. DIRINC = .
  155. DIRLIB = $(DIRAVR)/lib
  156. # Define programs and commands.
  157. SHELL = bash
  158. CC = avr-gcc
  159. OBJCOPY = avr-objcopy
  160. OBJDUMP = avr-objdump
  161. SIZE = avr-size
  162. NM = avr-nm
  163. AVRDUDE = avrdude
  164. REMOVE = rm -f
  165. COPY = cp
  166. # Define Messages
  167. # English
  168. MSG_ERRORS_NONE = Errors: none
  169. MSG_BEGIN = -------- begin --------
  170. MSG_END = -------- end --------
  171. MSG_SIZE_BEFORE = Size before:
  172. MSG_SIZE_AFTER = Size after:
  173. MSG_COFF = Converting to AVR COFF:
  174. MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
  175. MSG_FLASH = Creating load file for Flash:
  176. MSG_EEPROM = Creating load file for EEPROM:
  177. MSG_EXTENDED_LISTING = Creating Extended Listing:
  178. MSG_SYMBOL_TABLE = Creating Symbol Table:
  179. MSG_LINKING = Linking:
  180. MSG_COMPILING = Compiling:
  181. MSG_ASSEMBLING = Assembling:
  182. MSG_CLEANING = Cleaning project:
  183. # Define all object files.
  184. OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
  185. # Define all listing files.
  186. LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
  187. # Compiler flags to generate dependency files.
  188. ### GENDEPFLAGS = -Wp,-M,-MP,-MT,$(*F).o,-MF,.dep/$(@F).d
  189. GENDEPFLAGS = -MD -MP -MF .dep/$(@F).d
  190. # Combine all necessary flags and optional flags.
  191. # Add target processor to flags.
  192. ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
  193. ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
  194. # Default target.
  195. all: begin gccversion sizebefore build sizeafter finished end
  196. build: elf hex eep lss sym
  197. elf: $(TARGET).elf
  198. hex: $(TARGET).hex
  199. eep: $(TARGET).eep
  200. lss: $(TARGET).lss
  201. sym: $(TARGET).sym
  202. # Eye candy.
  203. # AVR Studio 3.x does not check make's exit code but relies on
  204. # the following magic strings to be generated by the compile job.
  205. begin:
  206. @echo
  207. @echo $(MSG_BEGIN)
  208. finished:
  209. @echo $(MSG_ERRORS_NONE)
  210. end:
  211. @echo $(MSG_END)
  212. @echo
  213. # Display size of file.
  214. HEXSIZE = $(SIZE) --mcu=$(MCU) --target=$(FORMAT) $(TARGET).hex
  215. ELFSIZE = $(SIZE) --mcu=$(MCU) -C $(TARGET).elf
  216. sizebefore:
  217. @if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
  218. sizeafter:
  219. @if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
  220. # Display compiler version information.
  221. gccversion :
  222. @$(CC) --version
  223. # Program the device.
  224. program: $(TARGET).hex $(TARGET).eep
  225. $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
  226. # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
  227. COFFCONVERT=$(OBJCOPY) --debugging \
  228. --change-section-address .data-0x800000 \
  229. --change-section-address .bss-0x800000 \
  230. --change-section-address .noinit-0x800000 \
  231. --change-section-address .eeprom-0x810000
  232. coff: $(TARGET).elf
  233. @echo
  234. @echo $(MSG_COFF) $(TARGET).cof
  235. $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
  236. extcoff: $(TARGET).elf
  237. @echo
  238. @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
  239. $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
  240. # Create final output files (.hex, .eep) from ELF output file.
  241. %.hex: %.elf
  242. @echo
  243. @echo $(MSG_FLASH) $@
  244. $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
  245. %.eep: %.elf
  246. @echo
  247. @echo $(MSG_EEPROM) $@
  248. -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
  249. --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
  250. # Create extended listing file from ELF output file.
  251. %.lss: %.elf
  252. @echo
  253. @echo $(MSG_EXTENDED_LISTING) $@
  254. $(OBJDUMP) -h -S $< > $@
  255. # Create a symbol table from ELF output file.
  256. %.sym: %.elf
  257. @echo
  258. @echo $(MSG_SYMBOL_TABLE) $@
  259. $(NM) -n $< > $@
  260. # Link: create ELF output file from object files.
  261. .SECONDARY : $(TARGET).elf
  262. .PRECIOUS : $(OBJ)
  263. %.elf: $(OBJ)
  264. @echo
  265. @echo $(MSG_LINKING) $@
  266. $(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
  267. # Compile: create object files from C source files.
  268. %.o : %.c
  269. @echo
  270. @echo $(MSG_COMPILING) $<
  271. $(CC) -c $(ALL_CFLAGS) $< -o $@
  272. # Compile: create assembler files from C source files.
  273. %.s : %.c
  274. $(CC) -S $(ALL_CFLAGS) $< -o $@
  275. # Assemble: create object files from assembler source files.
  276. %.o : %.S
  277. @echo
  278. @echo $(MSG_ASSEMBLING) $<
  279. $(CC) -c $(ALL_ASFLAGS) $< -o $@
  280. # Target: clean project.
  281. clean: begin clean_list2 finished end
  282. clean_list2: clean_list
  283. $(REMOVE) $(TARGET).hex
  284. clean_list:
  285. @echo
  286. @echo $(MSG_CLEANING)
  287. $(REMOVE) $(TARGET).eep
  288. $(REMOVE) $(TARGET).obj
  289. $(REMOVE) $(TARGET).cof
  290. $(REMOVE) $(TARGET).elf
  291. $(REMOVE) $(TARGET).map
  292. $(REMOVE) $(TARGET).obj
  293. $(REMOVE) $(TARGET).a90
  294. $(REMOVE) $(TARGET).sym
  295. $(REMOVE) $(TARGET).lnk
  296. $(REMOVE) $(TARGET).lss
  297. $(REMOVE) $(OBJ)
  298. $(REMOVE) $(LST)
  299. $(REMOVE) $(SRC:.c=.s)
  300. $(REMOVE) $(SRC:.c=.d)
  301. $(REMOVE) .dep/*
  302. # Include the dependency files.
  303. -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
  304. # Listing of phony targets.
  305. .PHONY : all begin finish end sizebefore sizeafter gccversion \
  306. build elf hex eep lss sym coff extcoff \
  307. clean clean_list program