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1
# Paths: default pathnames if they are not
1
# Paths: default pathnames if they are not
2
# passed on from parent Makefile.
2
# passed on from parent Makefile.
3
ifndef TARGET
3
ifndef TARGET
4
TARGET = main
4
TARGET = main
5
endif
5
endif
6
ifndef LIBDIR
6
ifndef LIBDIR
7
LIBDIR = ../../../avr-lib
7
LIBDIR = ../../../avr-lib
8
endif
8
endif
9
ifndef SRCDIR
9
ifndef SRCDIR
10
SRCDIR = ../src
10
SRCDIR = ../src
11
endif
11
endif
12
ifndef BIOSDIR
12
ifndef BIOSDIR
13
BIOSDIR = ../bios
13
BIOSDIR = ../bios
14
endif
14
endif
15
ifndef CFGDIR
15
ifndef CFGDIR
16
CFGDIR = ..
16
CFGDIR = ..
17
endif
17
endif
18
 
18
 
19
include $(CFGDIR)/bios.inc
19
include $(CFGDIR)/bios.inc
20
 
20
 
21
# VPATH: setup search path for source files.
21
# VPATH: setup search path for source files.
22
vpath
22
vpath
23
vpath %.c $(LIBDIR):$(SRCDIR)
23
vpath %.c $(LIBDIR):$(SRCDIR)
24
 
24
 
25
# List source files here. (C dependencies are automatically generated.)
25
# List source files here. (C dependencies are automatically generated.)
26
SOURCES =	main.c\
26
SOURCES =	main.c\
27
			drivers/timer/timebase.c\
27
			drivers/timer/timebase.c\
28
			drivers/uart/serial.c\
28
			drivers/uart/serial.c\
29
			drivers/uart/uart.c\
29
			drivers/uart/uart.c\
30
			drivers/mcu/mcu.c\
30
			drivers/mcu/mcu.c\
31
			drivers/can/stdcan.c\
31
			drivers/can/stdcan.c\
32
			drivers/can/mcp2515/mcp2515.c\
32
			drivers/can/mcp2515/mcp2515.c\
33
 
33
 
34
# Optimization level, can be [0, 1, 2, 3, s]. 
34
# Optimization level, can be [0, 1, 2, 3, s]. 
35
# 0 = turn off optimization. s = optimize for size.
35
# 0 = turn off optimization. s = optimize for size.
36
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
36
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
37
OPT = s
37
OPT = s
38
#OPT = 3
38
#OPT = 3
39
 
39
 
40
# Debugging format.
40
# Debugging format.
41
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
41
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
42
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
42
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
43
DEBUG = stabs
43
DEBUG = stabs
44
#DEBUG = dwarf-2
44
#DEBUG = dwarf-2
45
 
45
 
46
# List any extra directories to look for include files here.
46
# List any extra directories to look for include files here.
47
# Each directory must be separated by a space.
47
# Each directory must be separated by a space.
48
EXTRAINCDIRS = $(LIBDIR) $(BIOSDIR)
48
EXTRAINCDIRS = $(LIBDIR) $(BIOSDIR)
49
 
49
 
50
# Compiler flag to set the C Standard level.
50
# Compiler flag to set the C Standard level.
51
# c89   - "ANSI" C
51
# c89   - "ANSI" C
52
# gnu89 - c89 plus GCC extensions
52
# gnu89 - c89 plus GCC extensions
53
# c99   - ISO C99 standard (not yet fully implemented)
53
# c99   - ISO C99 standard (not yet fully implemented)
54
# gnu99 - c99 plus GCC extensions
54
# gnu99 - c99 plus GCC extensions
55
CSTANDARD = -std=gnu99
55
CSTANDARD = -std=gnu99
56
 
56
 
57
# Place -D or -U options here
57
# Place -D or -U options here
58
CDEFS =
58
CDEFS =
59
 
59
 
60
# Place -I options here
60
# Place -I options here
61
CINCS =
61
CINCS =
62
 
62
 
63
 
63
 
64
# Compiler flags.
64
# Compiler flags.
65
#  -g*:          generate debugging information
65
#  -g*:          generate debugging information
66
#  -O*:          optimization level
66
#  -O*:          optimization level
67
#  -f...:        tuning, see GCC manual and avr-libc documentation
67
#  -f...:        tuning, see GCC manual and avr-libc documentation
68
#  -Wall...:     warning level
68
#  -Wall...:     warning level
69
#  -Wa,...:      tell GCC to pass this to the assembler.
69
#  -Wa,...:      tell GCC to pass this to the assembler.
70
#    -adhlns...: create assembler listing
70
#    -adhlns...: create assembler listing
71
CFLAGS = -mmcu=$(MCU) -I.
71
CFLAGS = -mmcu=$(MCU) -I.
72
CFLAGS += -g$(DEBUG)
72
CFLAGS += -g$(DEBUG)
73
CFLAGS += $(CDEFS) $(CINCS)
73
CFLAGS += $(CDEFS) $(CINCS)
74
CFLAGS += -O$(OPT)
74
CFLAGS += -O$(OPT)
75
CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
75
CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
76
CFLAGS += -Wall -Wstrict-prototypes
76
CFLAGS += -Wall -Wstrict-prototypes
77
CFLAGS += -Wa,-adhlns=$(@:.o=.lst)
77
CFLAGS += -Wa,-adhlns=$(@:.o=.lst)
78
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
78
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
79
CFLAGS += $(CSTANDARD)
79
CFLAGS += $(CSTANDARD)
80
CFLAGS += $(GENDEPFLAGS)
80
CFLAGS += $(GENDEPFLAGS)
81
 
81
 
82
 
82
 
83
 
83
 
84
# Assembler flags.
84
# Assembler flags.
85
#  -Wa,...:   tell GCC to pass this to the assembler.
85
#  -Wa,...:   tell GCC to pass this to the assembler.
86
#  -ahlms:    create listing
86
#  -ahlms:    create listing
87
#  -gstabs:   have the assembler create line number information; note that
87
#  -gstabs:   have the assembler create line number information; note that
88
#             for use in COFF files, additional information about filenames
88
#             for use in COFF files, additional information about filenames
89
#             and function names needs to be present in the assembler source
89
#             and function names needs to be present in the assembler source
90
#             files -- see avr-libc docs [FIXME: not yet described there]
90
#             files -- see avr-libc docs [FIXME: not yet described there]
91
##ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs 
91
##ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs 
92
ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp
92
ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp
93
ASFLAGS += -Wa,-adhlns=$(@:.o=.lst),-g$(DEBUG)
93
ASFLAGS += -Wa,-adhlns=$(@:.o=.lst),-g$(DEBUG)
94
 
94
 
95
 
95
 
96
#Additional libraries.
96
#Additional libraries.
97
 
97
 
98
# Minimalistic printf version
98
# Minimalistic printf version
99
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
99
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
100
 
100
 
101
# Floating point printf version (requires MATH_LIB = -lm below)
101
# Floating point printf version (requires MATH_LIB = -lm below)
102
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
102
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
103
 
103
 
104
PRINTF_LIB = 
104
PRINTF_LIB = 
105
 
105
 
106
# Minimalistic scanf version
106
# Minimalistic scanf version
107
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
107
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
108
 
108
 
109
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
109
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
110
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
110
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
111
 
111
 
112
SCANF_LIB = 
112
SCANF_LIB = 
113
 
113
 
114
MATH_LIB = -lm
114
MATH_LIB = -lm
115
 
115
 
116
# External memory options
116
# External memory options
117
 
117
 
118
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
118
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
119
# used for variables (.data/.bss) and heap (malloc()).
119
# used for variables (.data/.bss) and heap (malloc()).
120
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
120
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
121
 
121
 
122
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
122
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
123
# only used for heap (malloc()).
123
# only used for heap (malloc()).
124
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
124
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
125
 
125
 
126
EXTMEMOPTS =
126
EXTMEMOPTS =
127
 
127
 
128
BIOSOPTS = -Wl,-L$(BIOSDIR),-Tdata,$(BIOS_RAM_END) -lbios
128
BIOSOPTS = -Wl,-L$(BIOSDIR),-Tdata,$(BIOS_RAM_END) -lbios
129
 
129
 
130
# Linker flags.
130
# Linker flags.
131
#  -Wl,...:     tell GCC to pass this to linker.
131
#  -Wl,...:     tell GCC to pass this to linker.
132
#    -Map:      create map file
132
#    -Map:      create map file
133
#    --cref:    add cross reference to  map file
133
#    --cref:    add cross reference to  map file
134
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
134
LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
135
LDFLAGS += $(EXTMEMOPTS)
135
LDFLAGS += $(EXTMEMOPTS)
136
LDFLAGS += $(BIOSOPTS)
136
LDFLAGS += $(BIOSOPTS)
137
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
137
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
138
 
138
 
139
# ---------------------------------------------------------------------------
139
# ---------------------------------------------------------------------------
140
 
140
 
141
# Define programs and commands.
141
# Define programs and commands.
142
SHELL = sh
142
SHELL = sh
143
CC = avr-gcc
143
CC = avr-gcc
144
AWK = awk
144
AWK = awk
145
OBJCOPY = avr-objcopy
145
OBJCOPY = avr-objcopy
146
OBJDUMP = avr-objdump
146
OBJDUMP = avr-objdump
147
SIZE = avr-size
147
SIZE = avr-size
148
NM = avr-nm
148
NM = avr-nm
149
RM = rm -f
149
RM = rm -f
150
CP = cp
150
CP = cp
151
MKDIR = mkdir
151
MKDIR = mkdir
152
 
152
 
153
 
153
 
154
 
154
 
155
# Define Messages
155
# Define Messages
156
# English
156
# English
157
MSG_ERRORS_NONE = Errors: none
157
MSG_ERRORS_NONE = Errors: none
158
MSG_BEGIN = -------- begin --------
158
MSG_BEGIN = -------- begin --------
159
MSG_END = --------  end  --------
159
MSG_END = --------  end  --------
160
MSG_SIZE_BEFORE = Size before: 
160
MSG_SIZE_BEFORE = Size before: 
161
MSG_SIZE_AFTER = Size after:
161
MSG_SIZE_AFTER = Size after:
162
MSG_COFF = Converting to AVR COFF:
162
MSG_COFF = Converting to AVR COFF:
163
MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
163
MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
164
MSG_FLASH = Creating load file for Flash:
164
MSG_FLASH = Creating load file for Flash:
165
MSG_EEPROM = Creating load file for EEPROM:
165
MSG_EEPROM = Creating load file for EEPROM:
166
MSG_EXTENDED_LISTING = Creating Extended Listing:
166
MSG_EXTENDED_LISTING = Creating Extended Listing:
167
MSG_SYMBOL_TABLE = Creating Symbol Table:
167
MSG_SYMBOL_TABLE = Creating Symbol Table:
168
MSG_LINKING = Linking:
168
MSG_LINKING = Linking:
169
MSG_COMPILING = Compiling:
169
MSG_COMPILING = Compiling:
170
MSG_ASSEMBLING = Assembling:
170
MSG_ASSEMBLING = Assembling:
171
MSG_DEPEND = Generating dependencies:
171
MSG_DEPEND = Generating dependencies:
172
MSG_CLEANING = Cleaning project:
172
MSG_CLEANING = Cleaning project:
173
MSG_CREATE = Creating:
173
MSG_CREATE = Creating:
174
 
174
 
175
# Define all object files.
175
# Define all object files.
176
OBJ = $(filter %.o,$(SOURCES:.c=.o) $(SOURCES:.S=.o))
176
OBJ = $(filter %.o,$(SOURCES:.c=.o) $(SOURCES:.S=.o))
177
 
177
 
178
# Define all listing files.
178
# Define all listing files.
179
LST = $(OBJ:.o=.lst)
179
LST = $(OBJ:.o=.lst)
180
 
180
 
181
# Define all dependency files.
181
# Define all dependency files.
182
DEP = $(OBJ:.o=.d)
182
DEP = $(OBJ:.o=.d)
183
 
183
 
184
BUILDDIRS = $(sort $(filter-out ./,$(dir $(OBJ))))
184
BUILDDIRS = $(sort $(filter-out ./,$(dir $(OBJ))))
185
 
185
 
186
BIOS_RAM_END := $(shell $(AWK) '/0x[0-9a-f]+.*__bios_ram_end/ { print $$1 }' $(BIOSDIR)/bios.map)
186
BIOS_RAM_END := $(shell $(AWK) '/0x[0-9a-f]+.*__bios_ram_end/ { print $$1 }' $(BIOSDIR)/bios.map)
187
 
187
 
188
# Compiler flags to generate dependency files.
188
# Compiler flags to generate dependency files.
189
GENDEPFLAGS = -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)"
189
GENDEPFLAGS = -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)"
190
 
190
 
191
# Default target.
191
# Default target.
192
all: sizebefore buildtree config.h build sizeafter
192
all: sizebefore buildtree config.h build sizeafter
193
 
193
 
194
build: elf hex eep lss sym
194
build: elf hex eep lss sym
195
 
195
 
196
elf: $(TARGET).elf
196
elf: $(TARGET).elf
197
hex: $(TARGET).hex
197
hex: $(TARGET).hex
198
eep: $(TARGET).eep
198
eep: $(TARGET).eep
199
lss: $(TARGET).lss 
199
lss: $(TARGET).lss 
200
sym: $(TARGET).sym
200
sym: $(TARGET).sym
201
 
201
 
202
buildtree: $(BUILDDIRS)
202
buildtree: $(BUILDDIRS)
203
 
203
 
204
# Display size of file.
204
# Display size of file.
205
HEXSIZE = $(SIZE) --target=ihex $(TARGET).hex
205
HEXSIZE = $(SIZE) --target=ihex $(TARGET).hex
206
ELFSIZE = $(SIZE) $(TARGET).elf
206
ELFSIZE = $(SIZE) $(TARGET).elf
207
sizebefore:
207
sizebefore:
208
	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
208
	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
209
 
209
 
210
sizeafter:
210
sizeafter:
211
	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
211
	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
212
 
212
 
213
# Generate config.h from bios.inc and config.inc
213
# Generate config.h from bios.inc and config.inc
214
config.h: $(CFGDIR)/bios.inc $(CFGDIR)/config.inc
214
config.h: $(CFGDIR)/bios.inc $(CFGDIR)/config.inc
215
	@echo Generating $@
215
	@echo Generating $@
216
	@echo "/* This file is automatically generated. Do not edit. */" > $@
216
	@echo "/* This file is automatically generated. Do not edit. */" > $@
217
	@echo "" >> $@
217
	@echo "" >> $@
218
	@cat $^ | $(AWK) 'BEGIN { FS="="; print "#ifndef CONFIG_H_\n#define CONFIG_H_\n" } /^[^#].*=.*/ { print "#define "$$1,$$2 } END { print "\n#endif /*CONFIG_H_*/" }' >> $@
218
	@cat $^ | $(AWK) 'BEGIN { FS="="; print "#ifndef CONFIG_H_\n#define CONFIG_H_\n" } /^[^#].*=.*/ { print "#define "$$1,$$2 } END { print "\n#endif /*CONFIG_H_*/" }' >> $@
219
 
219
 
220
$(CFGDIR)/config.inc: $(SRCDIR)/config.inc.template
220
$(CFGDIR)/config.inc: $(SRCDIR)/config.inc.template
221
	@if [ ! -f $@ ]; then cp $< $@; fi
221
	@if [ ! -f $@ ]; then cp $< $@; fi
222
 
222
 
223
# Display compiler version information.
223
# Display compiler version information.
224
gccversion : 
224
gccversion : 
225
	@$(CC) --version
225
	@$(CC) --version
226
 
226
 
227
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
227
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
228
COFFCONVERT=$(OBJCOPY) --debugging \
228
COFFCONVERT=$(OBJCOPY) --debugging \
229
--change-section-address .data-0x800000 \
229
--change-section-address .data-0x800000 \
230
--change-section-address .bss-0x800000 \
230
--change-section-address .bss-0x800000 \
231
--change-section-address .noinit-0x800000 \
231
--change-section-address .noinit-0x800000 \
232
--change-section-address .eeprom-0x810000 
232
--change-section-address .eeprom-0x810000 
233
 
233
 
234
 
234
 
235
coff: $(TARGET).elf
235
coff: $(TARGET).elf
236
	@echo $(MSG_COFF) $(TARGET).cof
236
	@echo $(MSG_COFF) $(TARGET).cof
237
	@$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
237
	@$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
238
 
238
 
239
extcoff: $(TARGET).elf
239
extcoff: $(TARGET).elf
240
	@echo $(MSG_EXTENDED_COFF) $(TARGET).cof
240
	@echo $(MSG_EXTENDED_COFF) $(TARGET).cof
241
	@$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
241
	@$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
242
 
242
 
243
# Create final output files (.hex, .eep) from ELF output file.
243
# Create final output files (.hex, .eep) from ELF output file.
244
%.hex: %.elf
244
%.hex: %.elf
245
	@echo $(MSG_FLASH) $@
245
	@echo $(MSG_FLASH) $@
246
	@$(OBJCOPY) -j .text -j .data -O ihex $< $@
246
	@$(OBJCOPY) -j .text -j .data -O ihex $< $@
247
 
247
 
248
%.eep: %.elf
248
%.eep: %.elf
249
	@echo $(MSG_EEPROM) $@
249
	@echo $(MSG_EEPROM) $@
250
	-@$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
250
	-@$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
251
	--change-section-lma .eeprom=0 -O ihex $< $@
251
	--change-section-lma .eeprom=0 -O ihex $< $@
252
 
252
 
253
# Create extended listing file from ELF output file.
253
# Create extended listing file from ELF output file.
254
%.lss: %.elf
254
%.lss: %.elf
255
	@echo $(MSG_EXTENDED_LISTING) $@
255
	@echo $(MSG_EXTENDED_LISTING) $@
256
	@$(OBJDUMP) -h -S $< > $@
256
	@$(OBJDUMP) -h -S $< > $@
257
 
257
 
258
# Create a symbol table from ELF output file.
258
# Create a symbol table from ELF output file.
259
%.sym: %.elf
259
%.sym: %.elf
260
	@echo $(MSG_SYMBOL_TABLE) $@
260
	@echo $(MSG_SYMBOL_TABLE) $@
261
	@$(NM) -n $< > $@
261
	@$(NM) -n $< > $@
262
 
262
 
263
# Link: create ELF output file from object files.
263
# Link: create ELF output file from object files.
264
.SECONDARY : $(TARGET).elf
264
.SECONDARY : $(TARGET).elf
265
.PRECIOUS : $(OBJ)
265
.PRECIOUS : $(OBJ)
-
 
266
# GCC bug workaround:
-
 
267
# The compiler driver adds '-Tdata 0x800100' to the ld command line for some
-
 
268
# AVRs, making it impossible to override the .data placement with a
-
 
269
# subsequent -Tdata option. Detect the broken case and re-run ld with the
266
ifneq (,$(filter atmega88 atmega168, $(MCU)))
270
# correct .data location substituted.
267
%.elf: $(OBJ)
271
%.elf: $(OBJ)
268
	@echo $(MSG_LINKING) $@
272
	@echo $(MSG_LINKING) $@
269
	@echo GCC bug workaround for ATmega88/ATmega168:
-
 
270
	@eval $$($(CC) -v $(CFLAGS) -o $@ $^ $(LDFLAGS) 2>&1 | $(AWK) '{ if (gsub("0x800100","$(BIOS_RAM_END)") == 1) print }')
273
	@eval $$($(CC) -v $(CFLAGS) -o $@ $^ $(LDFLAGS) 2>&1 | $(AWK) '{ if (gsub("0x800100","$(BIOS_RAM_END)") == 1) print }')
271
else
-
 
272
%.elf: $(OBJ)
-
 
273
	@echo $(MSG_LINKING) $@
-
 
274
	@$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
-
 
275
endif
-
 
276
 
274
 
277
# Compile: create object files from C source files.
275
# Compile: create object files from C source files.
278
%.o : %.c
276
%.o : %.c
279
	@echo $(MSG_COMPILING) $<
277
	@echo $(MSG_COMPILING) $<
280
	@$(CC) -c $(CFLAGS) $< -o $@ 
278
	@$(CC) -c $(CFLAGS) $< -o $@ 
281
 
279
 
282
# Compile: create assembler files from C source files.
280
# Compile: create assembler files from C source files.
283
%.s : %.c
281
%.s : %.c
284
	@$(CC) -S $(CFLAGS) $< -o $@
282
	@$(CC) -S $(CFLAGS) $< -o $@
285
 
283
 
286
# Assemble: create object files from assembler source files.
284
# Assemble: create object files from assembler source files.
287
%.o : %.S
285
%.o : %.S
288
	@echo $(MSG_ASSEMBLING) $<
286
	@echo $(MSG_ASSEMBLING) $<
289
	$(CC) -c $(ASFLAGS) $< -o $@
287
	$(CC) -c $(ASFLAGS) $< -o $@
290
 
288
 
291
# Depends: create dependency files from c source files.
289
# Depends: create dependency files from c source files.
292
#%.d : %.c | $(BUILDDIRS)
290
#%.d : %.c | $(BUILDDIRS)
293
#	@echo $(MSG_DEPEND) $<
291
#	@echo $(MSG_DEPEND) $<
294
#	@$(CC) -c $(CFLAGS) $(GENDEPFLAGS) $<
292
#	@$(CC) -c $(CFLAGS) $(GENDEPFLAGS) $<
295
 
293
 
296
# Buildtree: create directories for output files.
294
# Buildtree: create directories for output files.
297
$(BUILDDIRS) :
295
$(BUILDDIRS) :
298
	@echo $(MSG_CREATE) $@
296
	@echo $(MSG_CREATE) $@
299
	@$(MKDIR) -p $@
297
	@$(MKDIR) -p $@
300
 
298
 
301
# Target: clean project.
299
# Target: clean project.
302
clean: 
300
clean: 
303
	@echo $(MSG_CLEANING)
301
	@echo $(MSG_CLEANING)
304
	$(RM) $(TARGET).hex
302
	$(RM) $(TARGET).hex
305
	$(RM) $(TARGET).eep
303
	$(RM) $(TARGET).eep
306
	$(RM) $(TARGET).cof
304
	$(RM) $(TARGET).cof
307
	$(RM) $(TARGET).elf
305
	$(RM) $(TARGET).elf
308
	$(RM) $(TARGET).map
306
	$(RM) $(TARGET).map
309
	$(RM) $(TARGET).sym
307
	$(RM) $(TARGET).sym
310
	$(RM) $(TARGET).lss
308
	$(RM) $(TARGET).lss
311
	$(RM) $(OBJ)
309
	$(RM) $(OBJ)
312
	$(RM) $(DEP)
310
	$(RM) $(DEP)
313
	$(RM) $(LST)
311
	$(RM) $(LST)
314
	$(RM) config.h
312
	$(RM) config.h
315
 
313
 
316
distclean: clean
314
distclean: clean
317
	$(RM) -r $(BUILDDIRS)
315
	$(RM) -r $(BUILDDIRS)
318
 
316
 
319
# Include the dependency files.
317
# Include the dependency files.
320
ifneq ($(MAKECMDGOALS),clean)
318
ifneq ($(MAKECMDGOALS),clean)
321
ifneq ($(strip $(DEP)),)
319
ifneq ($(strip $(DEP)),)
322
-include $(DEP)
320
-include $(DEP)
323
endif
321
endif
324
endif
322
endif
325
 
323
 
326
# Listing of phony targets.
324
# Listing of phony targets.
327
.PHONY : all sizebefore sizeafter build \
325
.PHONY : all sizebefore sizeafter build \
328
elf hex eep lss sym coff extcoff clean \
326
elf hex eep lss sym coff extcoff clean \
329
distclean gccversion
327
distclean gccversion
330
 
328