lline/Makefile

   1 # Hey Emacs, this is a -*- makefile -*-
   2
   3 # AVR-GCC Makefile template, derived from the WinAVR template (which
   4 # is public domain), believed to be neutral to any flavor of "make"
   5 # (GNU make, BSD make, SysV make)
   6
   7
   8 MCU = attiny861
   9 ADMCU = attiny861
  10 F_CPU = 8000000
  11 FORMAT = ihex
  12 TARGET = main
  13 SRC  = main.c
  14 SRC += spi_io.c ../common/queue.c
  15 SRC += adc.c
  16 SRC += motor.c
  17
  18 ASRC =
  19 OPT = s
  20
  21 # Name of this Makefile (used for "make depend").
  22 MAKEFILE = Makefile
  23
  24 # Debugging format.
  25 # Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
  26 # AVR (extended) COFF requires stabs, plus an avr-objcopy run.
  27 DEBUG = stabs
  28
  29 # Compiler flag to set the C Standard level.
  30 # c89   - "ANSI" C
  31 # gnu89 - c89 plus GCC extensions
  32 # c99   - ISO C99 standard (not yet fully implemented)
  33 # gnu99 - c99 plus GCC extensions
  34 CSTANDARD = -std=gnu99
  35
  36 # Place -D or -U options here
  37 CDEFS =
  38
  39 # Place -I options here
  40 CINCS = -I../common
  41 CLINK =
  42
  43 CDEBUG = -g$(DEBUG)
  44 CWARN = -Wall -Wstrict-prototypes -Wextra -Wno-main
  45 CWARN += -Wunknown-pragmas -Wfloat-equal -Wundef -Wbad-function-cast
  46 CWARN += -Wstrict-overflow -Wmissing-format-attribute
  47 CWARN += -Wunsafe-loop-optimizations -Wstrict-prototypes
  48 CWARN += -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion
  49 CWARN += -Wpacked
  50 CTUNING = -funsigned-char -funsigned-bitfields -fshort-enums
  51 CTUNING += -fmerge-all-constants -funsafe-loop-optimizations
  52 CTUNING += -fstrict-overflow
  53 #CTUNING += -fpack-struct
  54
  55 #CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
  56 CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA) $(CLINK) $(CTUNING)
  57
  58
  59 #ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
  60
  61
  62 #Additional libraries.
  63
  64 # Minimalistic printf version
  65 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
  66
  67 # Floating point printf version (requires MATH_LIB = -lm below)
  68 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
  69
  70 #PRINTF_LIB = $(PRINTF_LIB_MIN)
  71 PRINTF_LIB =
  72
  73
  74 # Minimalistic scanf version
  75 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
  76
  77 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
  78 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
  79
  80 SCANF_LIB =
  81 #SCANF_LIB = $(SCANF_LIB_MIN)
  82
  83 #MATH_LIB = -lm
  84 MATH_LIB =
  85
  86 # External memory options
  87
  88 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
  89 # used for variables (.data/.bss) and heap (malloc()).
  90 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
  91
  92 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
  93 # only used for heap (malloc()).
  94 #EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
  95
  96 EXTMEMOPTS =
  97
  98 #LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
  99 LDFLAGS = $(EXTMEMOPTS) $(LDMAP) $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 100
 101
 102 # Programming support using avrdude. Settings and variables.
 103
 104 AVRDUDE_PROGRAMMER = usbtiny
 105 #AVRDUDE_PORT = "-P /dev/ttyUSB0"
 106
 107 AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
 108 #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
 109
 110
 111 # Uncomment the following if you want avrdude's erase cycle counter.
 112 # Note that this counter needs to be initialized first using -Yn,
 113 # see avrdude manual.
 114 #AVRDUDE_ERASE_COUNTER = -y
 115
 116 # Uncomment the following if you do /not/ wish a verification to be
 117 # performed after programming the device.
 118 #AVRDUDE_NO_VERIFY = -V
 119
 120 # Increase verbosity level.  Please use this when submitting bug
 121 # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
 122 # to submit bug reports.
 123 #AVRDUDE_VERBOSE = -v -v
 124
 125 AVRDUDE_BASIC = -p $(ADMCU) $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
 126 AVRDUDE_FLAGS = $(AVRDUDE_BASIC) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
 127 AVRDUDE_POWER = -t -p $(ADMCU) -c $(AVRDUDE_PROGRAMMER)
 128
 129 CC = avr-gcc
 130 OBJCOPY = avr-objcopy
 131 OBJDUMP = avr-objdump
 132 SIZE = avr-size
 133 NM = avr-nm
 134 AVRDUDE = avrdude
 135 REMOVE = rm -f
 136 MV = mv -f
 137
 138 # Define all object files.
 139 OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
 140
 141 # Define all listing files.
 142 LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
 143
 144 # Combine all necessary flags and optional flags.
 145 # Add target processor to flags.
 146 ALL_CFLAGS  = -mmcu=$(MCU) -I. $(CFLAGS)
 147 ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 148 ALL_CFLAGS  += -DF_CPU=$(F_CPU)
 149 ALL_ASFLAGS += -DF_CPU=$(F_CPU)
 150
 151
 152 # Default target.
 153 all: build
 154
 155 size: elf
 156         $(SIZE) -C --mcu=$(MCU) $(TARGET).elf
 157
 158
 159 build: elf hex eep
 160
 161 elf: $(TARGET).elf
 162 hex: $(TARGET).hex
 163 eep: $(TARGET).eep
 164 lss: $(TARGET).lss
 165 sym: $(TARGET).sym
 166
 167
 168 # Program the device.
 169 program: $(TARGET).hex $(TARGET).eep
 170         $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
 171
 172
 173 power:
 174         $(AVRDUDE) $(AVRDUDE_POWER)
 175
 176 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
 177 COFFCONVERT=$(OBJCOPY) --debugging \
 178 --change-section-address .data-0x800000 \
 179 --change-section-address .bss-0x800000 \
 180 --change-section-address .noinit-0x800000 \
 181 --change-section-address .eeprom-0x810000
 182
 183
 184 coff: $(TARGET).elf
 185         $(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
 186
 187
 188 extcoff: $(TARGET).elf
 189         $(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
 190
 191
 192 .SUFFIXES: .elf .hex .eep .lss .sym
 193
 194 .elf.hex:
 195         $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
 196
 197 .elf.eep:
 198         -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
 199         --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
 200
 201 # Create extended listing file from ELF output file.
 202 .elf.lss:
 203         $(OBJDUMP) -h -S $< > $@
 204
 205 # Create a symbol table from ELF output file.
 206 .elf.sym:
 207         $(NM) -n $< > $@
 208
 209
 210
 211 # Link: create ELF output file from object files.
 212 $(TARGET).elf: $(OBJ)
 213         $(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
 214         #$(CC) $(ALL_CFLAGS) $(SRC) --combine -fwhole-program --output $@ $(LDFLAGS)
 215
 216 # Compile: create object files from C source files.
 217 .c.o:
 218         $(CC) -c $(ALL_CFLAGS) $< -o $@
 219
 220
 221 # Compile: create assembler files from C source files.
 222 .c.s:
 223         $(CC) -S $(ALL_CFLAGS) $< -o $@
 224
 225
 226 # Assemble: create object files from assembler source files.
 227 .S.o:
 228         $(CC) -c $(ALL_ASFLAGS) $< -o $@
 229
 230
 231
 232 # Target: clean project.
 233 clean:
 234         $(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
 235         $(TARGET).map $(TARGET).sym $(TARGET).lss \
 236         $(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d)
 237
 238 depend:
 239         if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
 240         then \
 241                 sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
 242                         $(MAKEFILE).$$$$ && \
 243                 $(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
 244         fi
 245         echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
 246                 >> $(MAKEFILE); \
 247         $(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
 248
 249 .PHONY: all build elf hex eep lss sym program coff extcoff clean depend
 250 # DO NOT DELETE THIS LINE -- make depend depends on it.