Initial fw commit

1 files changed, 104 insertions, 0 deletions

diff --git a/fw/Makefile b/fw/Makefile
new file mode 100644
index 0000000..07b7c13
--- /dev/null
+++ b/fw/Makefile
@@ -0,0 +1,104 @@
+# Megumin LED display firmware
+# Copyright (C) 2018 Sebastian Götte <code@jaseg.net>
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+CUBE_PATH 		?= $(wildcard ~)/resource/STM32CubeF0
+CMSIS_PATH 		?= $(CUBE_PATH)/Drivers/CMSIS
+CMSIS_DEV_PATH  ?= $(CMSIS_PATH)/Device/ST/STM32F0xx
+HAL_PATH   		?= $(CUBE_PATH)/Drivers/STM32F0xx_HAL_Driver
+
+MAC_ADDR        ?= 0xdeadbeef
+
+CC      := arm-none-eabi-gcc
+LD      := arm-none-eabi-ld
+OBJCOPY := arm-none-eabi-objcopy
+OBJDUMP := arm-none-eabi-objdump
+SIZE    := arm-none-eabi-size
+
+CFLAGS  = -g -Wall -Wextra -std=gnu11 -O0
+CFLAGS += -mlittle-endian -mcpu=cortex-m0 -march=armv6-m -mthumb
+#CFLAGS += -ffunction-sections -fdata-sections
+LDFLAGS = -nostartfiles
+#LDFLAGS += -specs=rdimon.specs -DSEMIHOSTING
+LDFLAGS += -Wl,-Map=main.map -nostdlib
+#LDFLAGS += -Wl,--gc-sections 
+LIBS = -lgcc
+#LIBS += -lrdimon
+
+# Technically we're using an STM32F030F4, but apart from the TSSOP20 package that one is largely identical to the
+# STM32F030*6 and there is no separate device header provided for it, so we're faking a *6 device here. This is
+# even documented in stm32f0xx.h. Thanks ST!
+CFLAGS += -DSTM32F030x6 -DHSE_VALUE=8000000
+
+LDFLAGS += -Tstm32_flash.ld
+CFLAGS += -I$(CMSIS_DEV_PATH)/Include -I$(CMSIS_PATH)/Include -I$(HAL_PATH)/Inc -Iconfig -Wno-unused -I../common
+LDFLAGS += -L$(CMSIS_PATH)/Lib/GCC -larm_cortexM0l_math
+
+###################################################
+
+.PHONY: program clean
+
+all: main.elf
+
+cmsis_exports.c: $(CMSIS_DEV_PATH)/Include/stm32f030x6.h $(CMSIS_PATH)/Include/core_cm0.h
+	python3 tools/gen_cmsis_exports.py $^ > $@
+
+%.o: %.c
+	$(CC) -c $(CFLAGS) -o $@ $^
+#	$(CC) -E $(CFLAGS) -o $(@:.o=.pp) $^
+
+%.o: %.s
+	$(CC) -c $(CFLAGS) -o $@ $^
+#	$(CC) -E $(CFLAGS) -o $(@:.o=.pp) $^
+
+sources.tar.xz: main.c Makefile
+	tar -caf $@ $^
+
+# don't ask...
+sources.tar.xz.zip: sources.tar.xz
+	zip $@ $^
+
+sources.c: sources.tar.xz.zip
+	xxd -i $< | head -n -1 | sed 's/=/__attribute__((section(".source_tarball"))) =/' > $@
+
+main.elf: main.c startup_stm32f030x6.s system_stm32f0xx.c $(HAL_PATH)/Src/stm32f0xx_ll_utils.c base.c cmsis_exports.c
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+	$(OBJCOPY) -O ihex $@ $(@:.elf=.hex)
+	$(OBJCOPY) -O binary $@ $(@:.elf=.bin)
+	$(OBJDUMP) -St $@ >$(@:.elf=.lst)
+	$(SIZE) $@
+	
+program: main.elf openocd.cfg
+	openocd -f openocd.cfg -c "program $< verify reset exit"
+
+8b10b_test_encode: 8b10b_test_encode.c 8b10b.c
+	gcc -o $@ $^
+
+8b10b_test_decode: 8b10b_test_decode.c 8b10b.c
+	gcc -o $@ $^
+
+protocol_test: protocol.c protocol_test.c
+	gcc -o $@ -O0 -Wall -Wextra -g -I../common $^
+
+clean:
+	rm -f **.o
+	rm -f main.elf main.hex main.bin main.map main.lst
+	rm -f **.expand
+	rm -f cmsis_exports.c
+	rm -f sources.tar.xz
+	rm -f sources.tar.xz.zip
+	rm -f sources.c
+	rm -f protocol_test
+