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1 | #/**************************************************************************** |
1 | #/**************************************************************************** |
2 | # * Copyright (C) 2009-2011 by Claas Anders "CaScAdE" Rathje * |
2 | # * Copyright (C) 2009-2012 by Claas Anders "CaScAdE" Rathje * |
3 | # * admiralcascade@gmail.com * |
3 | # * admiralcascade@gmail.com * |
4 | # * Project-URL: http://www.mylifesucks.de/oss/c-strom/ * |
4 | # * Project-URL: http://www.mylifesucks.de/oss/c-strom/ * |
5 | # * * |
5 | # * * |
6 | # * This program is free software; you can redistribute it and/or modify * |
6 | # * This program is free software; you can redistribute it and/or modify * |
7 | # * it under the terms of the GNU General Public License as published by * |
7 | # * it under the terms of the GNU General Public License as published by * |
8 | # * the Free Software Foundation; either version 2 of the License. * |
8 | # * the Free Software Foundation; either version 2 of the License. * |
9 | # * * |
9 | # * * |
10 | # * This program is distributed in the hope that it will be useful, * |
10 | # * This program is distributed in the hope that it will be useful, * |
11 | # * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
11 | # * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | # * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
12 | # * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | # * GNU General Public License for more details. * |
13 | # * GNU General Public License for more details. * |
14 | # * * |
14 | # * * |
15 | # * You should have received a copy of the GNU General Public License * |
15 | # * You should have received a copy of the GNU General Public License * |
16 | # * along with this program; if not, write to the * |
16 | # * along with this program; if not, write to the * |
17 | # * Free Software Foundation, Inc., * |
17 | # * Free Software Foundation, Inc., * |
18 | # * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
18 | # * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
19 | # ****************************************************************************/ |
19 | # ****************************************************************************/ |
20 | 20 | ||
21 | ## General Flags |
21 | ## General Flags |
22 | PROJECT = C-Strom |
22 | PROJECT = C-Strom |
23 | MCU = atmega8 |
23 | MCU = atmega8 |
24 | TARGET = C-Strom.elf |
24 | TARGET = C-Strom.elf |
25 | CC = avr-gcc |
25 | CC = avr-gcc |
26 | 26 | ||
27 | ## Options common to compile, link and assembly rules |
27 | ## Options common to compile, link and assembly rules |
28 | COMMON = -mmcu=$(MCU) |
28 | COMMON = -mmcu=$(MCU) |
29 | 29 | ||
30 | ## Compile options common for all C compilation units. |
30 | ## Compile options common for all C compilation units. |
31 | CFLAGS = $(COMMON) |
31 | CFLAGS = $(COMMON) |
32 | CFLAGS += -Wall -gdwarf-2 -std=gnu99 -DF_CPU=8000000UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
32 | CFLAGS += -Wall -gdwarf-2 -std=gnu99 -DF_CPU=8000000UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
33 | CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
33 | CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
34 | 34 | ||
35 | ## Assembly specific flags |
35 | ## Assembly specific flags |
36 | ASMFLAGS = $(COMMON) |
36 | ASMFLAGS = $(COMMON) |
37 | ASMFLAGS += $(CFLAGS) |
37 | ASMFLAGS += $(CFLAGS) |
38 | ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 |
38 | ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 |
39 | 39 | ||
40 | ## Linker flags |
40 | ## Linker flags |
41 | LDFLAGS = $(COMMON) |
41 | LDFLAGS = $(COMMON) |
42 | LDFLAGS += -Wl,-Map=C-Strom.map |
42 | LDFLAGS += -Wl,-Map=C-Strom.map |
43 | 43 | ||
44 | 44 | ||
45 | ## Intel Hex file production flags |
45 | ## Intel Hex file production flags |
46 | HEX_FLASH_FLAGS = -R .eeprom -R .fuse -R .lock -R .signature |
46 | HEX_FLASH_FLAGS = -R .eeprom -R .fuse -R .lock -R .signature |
47 | 47 | ||
48 | HEX_EEPROM_FLAGS = -j .eeprom |
48 | HEX_EEPROM_FLAGS = -j .eeprom |
49 | HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" |
49 | HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" |
50 | HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings |
50 | HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings |
51 | 51 | ||
52 | 52 | ||
53 | ## Objects that must be built in order to link |
53 | ## Objects that must be built in order to link |
54 | OBJECTS = C-Strom.o i2c_slave.o |
54 | OBJECTS = C-Strom.o i2c_slave.o |
55 | 55 | ||
56 | ## Objects explicitly added by the user |
56 | ## Objects explicitly added by the user |
57 | LINKONLYOBJECTS = |
57 | LINKONLYOBJECTS = |
58 | 58 | ||
59 | ## Build |
59 | ## Build |
60 | all: $(TARGET) C-Strom.hex C-Strom.eep C-Strom.lss size |
60 | all: $(TARGET) C-Strom.hex C-Strom.eep C-Strom.lss size |
61 | 61 | ||
62 | ## Compile |
62 | ## Compile |
63 | C-Strom.o: ../C-Strom.c |
63 | C-Strom.o: ../C-Strom.c |
64 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
64 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
65 | 65 | ||
66 | i2c_slave.o: ../i2c_slave.c |
66 | i2c_slave.o: ../i2c_slave.c |
67 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
67 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
68 | 68 | ||
69 | ##Link |
69 | ##Link |
70 | $(TARGET): $(OBJECTS) |
70 | $(TARGET): $(OBJECTS) |
71 | $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET) |
71 | $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET) |
72 | 72 | ||
73 | %.hex: $(TARGET) |
73 | %.hex: $(TARGET) |
74 | avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ |
74 | avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ |
75 | 75 | ||
76 | %.eep: $(TARGET) |
76 | %.eep: $(TARGET) |
77 | -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0 |
77 | -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0 |
78 | 78 | ||
79 | %.lss: $(TARGET) |
79 | %.lss: $(TARGET) |
80 | avr-objdump -h -S $< > $@ |
80 | avr-objdump -h -S $< > $@ |
81 | 81 | ||
82 | size: ${TARGET} |
82 | size: ${TARGET} |
83 | @echo |
83 | @echo |
84 | @avr-size -C --mcu=${MCU} ${TARGET} |
84 | @avr-size -C --mcu=${MCU} ${TARGET} |
85 | 85 | ||
86 | ## Clean target |
86 | ## Clean target |
87 | .PHONY: clean |
87 | .PHONY: clean |
88 | clean: |
88 | clean: |
89 | -rm -rf $(OBJECTS) C-Strom.elf dep/* C-Strom.hex C-Strom.eep C-Strom.lss C-Strom.map |
89 | -rm -rf $(OBJECTS) C-Strom.elf dep/* C-Strom.hex C-Strom.eep C-Strom.lss C-Strom.map |
90 | 90 | ||
91 | 91 | ||
92 | ## Other dependencies |
92 | ## Other dependencies |
93 | -include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |
93 | -include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |
94 | 94 |