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