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
|
# vim:ft=make
#
# Copyright 2021 Daniel Friesel
#
# SPDX-License-Identifier: BSD-2-Clause
SERIAL_PORT ?= ttyACM0
cpu_freq ?= 80000000
INCLUDES += -Iext/libopencm3/include
COMMON_FLAGS += --static -nostartfiles -g3 -Os -fno-common
COMMON_FLAGS += -ffunction-sections -fdata-sections
COMMON_FLAGS += -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -DLM4F
CC = arm-none-eabi-gcc
CXX = arm-none-eabi-g++
OBJCOPY = arm-none-eabi-objcopy
OBJDUMP = arm-none-eabi-objdump
SIZE = arm-none-eabi-size
C_TARGETS += src/arch/lm4f120h5qr-stellaris/lm4f_cpp_wrapper.c
CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/arch.cc
ifdef CONFIG_aspectc
CXX = ag++ -r build/repo.acp -v 0 --c_compiler arm-none-eabi-g++ -p . --Xcompiler
endif
ifneq ($(findstring adc,${arch_drivers}), )
CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/driver/adc.cc
endif
CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/driver/gpio.cc
CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/driver/stdout.cc
# Commandline
ifneq ($(findstring counter,${arch_drivers}), )
CONFIG_arch_lm4f120h5qr_stellaris_driver_counter = y
endif
#ifneq ($(findstring timer,${arch_drivers}), )
# CONFIG_arch_lm4f120h5qr_stellaris_driver_timer = y
#endif
ifeq (${timer_s}, 1)
CONFIG_arch_lm4f120h5qr_stellaris_driver_uptime = y
endif
# Kconfig
ifdef CONFIG_arch_lm4f120h5qr_stellaris_driver_counter
CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/driver/counter.cc
endif
#ifdef CONFIG_arch_lm4f120h5qr_stellaris_driver_timer
# CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/driver/timer.cc
#endif
ifdef CONFIG_arch_lm4f120h5qr_stellaris_driver_uptime
COMMON_FLAGS += -DTIMER_S
CXX_TARGETS += src/arch/lm4f120h5qr-stellaris/driver/uptime.cc
endif
ifneq (${cpu_freq}, )
COMMON_FLAGS += -DF_CPU=${cpu_freq}UL
else
COMMON_FLAGS += -DF_CPU=80000000UL
endif
OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} ${ASM_TARGETS:.S=.o}
.cc.o:
${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
.c.o:
${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} ${CFLAGS} -c -o $@ ${@:.o=.c}
.S.o:
${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} -c -o $@ ${@:.o=.S}
.s.o:
${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} -c -o $@ ${@:.o=.S}
ext/libopencm3/Makefile:
git submodule update --init
ext/libopencm3/lib/libopencm3_lm4f.a: ext/libopencm3/Makefile
${MAKE} -C ext/libopencm3
build/system.elf: ${OBJECTS} ext/libopencm3/lib/libopencm3_stm32f4.a
${QUIET}mkdir -p build
${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} \
-Lext/libopencm3/lib -Wl,--gc-sections \
-Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group \
-T src/arch/lm4f120h5qr-stellaris/lm4f120h5qr.ld \
${OBJECTS} -lopencm3_lm4f \
-o $@
${QUIET}${SIZE} build/system.elf | tail -n1 | awk '{ print " ROM: " ($$1+$$2) " (" int(($$1+$$2)*100/49152) "%) RAM: " ($$2 + $$3) " (" int(($$2+$$3)*100/4096) "%)" }'
program: build/system.elf
${OBJCOPY} -O binary build/system.elf build/system.bin
lm4flash build/system.bin
arch_clean:
${QUIET}rm -f ${OBJECTS}
cat:
${QUIET}script/cat.py /dev/${SERIAL_PORT} 115200 ${cpu_freq} 65536
monitor:
${QUIET}screen /dev/${SERIAL_PORT} 115200
arch_help:
@echo "lm4f120h5qr-stellaris specific flags:"
arch_info:
@echo "CPU Freq: ${cpu_freq} Hz"
@echo "Timer Freq: ${timer_freq} Hz"
@echo "I2C Freq: ${i2c_freq} Hz"
@echo "Counter Overflow: 65536/255"
@echo "Monitor: /dev/${SERIAL_PORT} 115200"
attributes: build/system.elf
${QUIET}script/size.py ${SIZE} text,data data,bss
.PHONY: arch_clean arch_help arch_info attributes cat monitor program
|
