111 lines
3.4 KiB
Makefile
111 lines
3.4 KiB
Makefile
# Megumin LED display firmware
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# Copyright (C) 2018 Sebastian Götte <code@jaseg.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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CUBE_PATH ?= $(wildcard ~)/resource/STM32CubeF0
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CMSIS_PATH ?= $(CUBE_PATH)/Drivers/CMSIS
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CMSIS_DEV_PATH ?= $(CMSIS_PATH)/Device/ST/STM32F0xx
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HAL_PATH ?= $(CUBE_PATH)/Drivers/STM32F0xx_HAL_Driver
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MAC_ADDR ?= 0xdeadbeef
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CC := arm-none-eabi-gcc
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LD := arm-none-eabi-ld
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OBJCOPY := arm-none-eabi-objcopy
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OBJDUMP := arm-none-eabi-objdump
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SIZE := arm-none-eabi-size
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CFLAGS = -g -Wall -Wextra -std=gnu11 -O0 -fdump-rtl-expand
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CFLAGS += -mlittle-endian -mcpu=cortex-m0 -march=armv6-m -mthumb
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#CFLAGS += -ffunction-sections -fdata-sections
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LDFLAGS = -nostartfiles
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#LDFLAGS += -specs=rdimon.specs -DSEMIHOSTING
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LDFLAGS += -Wl,-Map=main.map -nostdlib
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#LDFLAGS += -Wl,--gc-sections
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LIBS = -lgcc
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#LIBS += -lrdimon
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# Technically we're using an STM32F030F4, but apart from the TSSOP20 package that one is largely identical to the
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# STM32F030*6 and there is no separate device header provided for it, so we're faking a *6 device here. This is
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# even documented in stm32f0xx.h. Thanks ST!
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CFLAGS += -DSTM32F030x6 -DHSE_VALUE=8000000
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LDFLAGS += -Tstm32_flash.ld
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CFLAGS += -I$(CMSIS_DEV_PATH)/Include -I$(CMSIS_PATH)/Include -I$(HAL_PATH)/Inc -Iconfig -Wno-unused -I../common
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LDFLAGS += -L$(CMSIS_PATH)/Lib/GCC -larm_cortexM0l_math
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###################################################
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.PHONY: program clean
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all: main.elf
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.clang:
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echo flags = $(CFLAGS) > .clang
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cmsis_exports.c: $(CMSIS_DEV_PATH)/Include/stm32f030x6.h $(CMSIS_PATH)/Include/core_cm0.h
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python3 tools/gen_cmsis_exports.py $^ > $@
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%.o: %.c
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$(CC) -c $(CFLAGS) -o $@ $^
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# $(CC) -E $(CFLAGS) -o $(@:.o=.pp) $^
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%.o: %.s
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$(CC) -c $(CFLAGS) -o $@ $^
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# $(CC) -E $(CFLAGS) -o $(@:.o=.pp) $^
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%.dot: %.elf
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r2 -a arm -qc 'aa;agC' $< 2>/dev/null >$@
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sources.tar.xz: main.c Makefile
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tar -caf $@ $^
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# don't ask...
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sources.tar.xz.zip: sources.tar.xz
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zip $@ $^
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sources.c: sources.tar.xz.zip
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xxd -i $< | head -n -1 | sed 's/=/__attribute__((section(".source_tarball"))) =/' > $@
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main.elf: main.c adc.c serial.c cobs.c startup_stm32f030x6.s system_stm32f0xx.c $(HAL_PATH)/Src/stm32f0xx_ll_utils.c base.c cmsis_exports.c
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
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$(OBJCOPY) -O ihex $@ $(@:.elf=.hex)
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$(OBJCOPY) -O binary $@ $(@:.elf=.bin)
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$(OBJDUMP) -St $@ >$(@:.elf=.lst)
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$(SIZE) $@
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program: main.elf openocd.cfg
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openocd -f openocd.cfg -c "program $< verify reset exit"
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8b10b_test_encode: 8b10b_test_encode.c 8b10b.c
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gcc -o $@ $^
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8b10b_test_decode: 8b10b_test_decode.c 8b10b.c
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gcc -o $@ $^
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protocol_test: protocol.c protocol_test.c
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gcc -o $@ -O0 -Wall -Wextra -g -I../common $^
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clean:
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rm -f **.o
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rm -f main.elf main.hex main.bin main.map main.lst
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rm -f **.expand
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rm -f cmsis_exports.c
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rm -f sources.tar.xz
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rm -f sources.tar.xz.zip
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rm -f sources.c
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rm -f *.dot
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rm -f protocol_test
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