1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
# The architecture configuration
ARCH = atmega88
AVRDUDE_ARCH = m88
AVRDUDE = avrdude
AVRDUDE_SPEED = 1
PROGRAMMER = avrisp2
PROGPORT = usb
# The toolchain definitions
CC = avr-gcc
OBJCOPY = avr-objcopy
SIZE = avr-size
READELF = avr-readelf
SPARSE = sparse
TARGET = 0 # Target selection: make TARGET=0
DEBUG = 0 # Debug build: make DEBUG=1
V = @ # Verbose build: make V=1
C = 0 # Sparsechecker build: make C=1
Q = $(V:1=)
QUIET_CC = $(Q:@=@echo ' CC '$@;)$(CC)
QUIET_DEPEND = $(Q:@=@echo ' DEPEND '$@;)$(CC)
QUIET_OBJCOPY = $(Q:@=@echo ' OBJCOPY '$@;)$(OBJCOPY)
QUIET_SIZE = $(Q:@=@echo ' SIZE '$@;)$(SIZE)
QUIET_READELF = $(Q:@=@echo ' READELF '$@;)$(READELF)
ifeq ($(C),1)
QUIET_SPARSE = $(Q:@=@echo ' SPARSE '$@;)$(SPARSE)
else
QUIET_SPARSE = @/bin/true
endif
CFLAGS = -mmcu=$(ARCH) -std=c99 -O2 -Wall \
"-Dinline=inline __attribute__((__always_inline__))" \
-DDEBUG=$(DEBUG) -DTARGET=$(TARGET)
SPARSEFLAGS = $(CFLAGS) -I "/usr/lib/avr/include" -D__AVR_ARCH__=5 \
-D__AVR_ATmega88__=1 -D__ATTR_PROGMEM__="" -Dsignal=dllexport \
-Dexternally_visible=dllexport
# The fuse bits
# Ext Clock, Startup 6CK/14CK + 65ms
# BOD off
# SPI enabled
LFUSE = 0xE0
HFUSE = 0xDF
EFUSE = 0xF9
SRCS = main.c
NAME = debounce
BIN = $(NAME).bin
HEX = $(NAME).hex
EEP = $(NAME).eep.hex
.SUFFIXES:
.PHONY: all avrdude install_flash install_eeprom install reset writefuse clean distclean
.DEFAULT_GOAL := all
DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))
# Generate dependencies
$(call DEPS,$(SRCS)): dep/%.d: %.c
@mkdir -p $(dir $@)
$(QUIET_DEPEND) -o $@.tmp -MM -MG -MT "$@ $(patsubst dep/%.d,obj/%.o,$@)" $(CFLAGS) $< && mv -f $@.tmp $@
-include $(call DEPS,$(SRCS))
# Generate object files
$(call OBJS,$(SRCS)): obj/%.o:
@mkdir -p $(dir $@)
$(QUIET_SPARSE) $(SPARSEFLAGS) $<
$(QUIET_CC) -o $@ -c $(CFLAGS) $<
all: $(HEX)
%.s: %.c
$(QUIET_CC) $(CFLAGS) -S $*.c
$(BIN): $(call OBJS,$(SRCS))
$(QUIET_CC) $(CFLAGS) -o $(BIN) $(call OBJS,$(SRCS)) $(LDFLAGS)
$(HEX): $(BIN)
$(QUIET_OBJCOPY) -R.eeprom -O ihex $(BIN) $(HEX)
# $(QUIET_OBJCOPY) -j.eeprom --set-section-flags=.eeprom="alloc,load" \
# --change-section-lma .eeprom=0 -O ihex $(BIN) $(EEP)
$(QUIET_SIZE) $(BIN)
$(QUIET_READELF) -S $(BIN) | egrep '(Name|text|eeprom|data|bss)'
@echo Built target $(TARGET)
avrdude:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -t
install_flash:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -U flash:w:$(HEX)
install_eeprom:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -U eeprom:w:$(EEP)
install: all install_flash
# Reset the microcontroller through avrdude
reset:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) \
-U signature:r:/dev/null:i -q -q
writefuse:
$(AVRDUDE) -B 5 -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -q -q \
-U lfuse:w:$(LFUSE):m \
-U hfuse:w:$(HFUSE):m
# -U efuse:w:$(EFUSE):m
clean:
rm -Rf *~ *.o obj dep $(BIN)
distclean: clean
rm -f *.s $(HEX) $(EEP)
help:
@echo "Debouncer Makefile"
@echo ""
@echo "BUILD TARGETS (make TARGET=x):"
@echo " TARGET=0 - Build target for \"cncjoints\""
@echo ""
@echo ""
@echo "Cleanup:"
@echo " all - build the firmware (default target)"
@echo " clean - remove object files"
@echo " distclean - remove object, binary and hex files"
@echo ""
@echo "avrdude operations:"
@echo " install - flash the program code"
@echo " writefuse - write the fuse bits"
@echo " reset - pull the external device reset pin"
@echo " avrdude - run avrdude in interactive mode"
@echo ""
@echo "Generic:"
@echo " *.s - create an assembly file from a *.c file"
|
