1 files changed, 116 insertions, 0 deletions
diff --git a/src/arch/stm32f446re-nucleo/Makefile.inc b/src/arch/stm32f446re-nucleo/Makefile.inc
new file mode 100644
index 0000000..54792d3
--- /dev/null
+++ b/src/arch/stm32f446re-nucleo/Makefile.inc
@@ -0,0 +1,116 @@
+# vim:ft=make
+
+SERIAL_PORT ?= ttyACM0
+
+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 -DSTM32F4
+
+CC = arm-none-eabi-gcc
+CXX = arm-none-eabi-g++
+OBJCOPY = arm-none-eabi-objcopy
+OBJDUMP = arm-none-eabi-objdump
+
+CXX_TARGETS += src/arch/stm32f446re-nucleo/arch.cc
+
+ifeq (${aspectc}, 1)
+	CXX = ag++ -r build/repo.acp -v 0 --c_compiler arm-none-eabi-g++ -p . --Xcompiler
+endif
+
+ifneq ($(findstring adc,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/adc.cc
+endif
+
+CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/gpio.cc
+CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/stdout.cc
+#CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/uptime.cc
+
+ifneq ($(findstring stdin,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/stdin.cc
+endif
+
+ifneq ($(findstring softi2c,${drivers}), )
+else ifneq ($(findstring i2c,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/i2c.cc
+	COMMON_FLAGS += -DDRIVER_I2C
+endif
+
+ifneq ($(findstring spi_a1,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/spi_a1.cc
+endif
+
+ifneq ($(findstring spi_b,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/spi_b.cc
+endif
+
+ifneq ($(findstring timer,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/timer.cc
+endif
+
+ifneq ($(findstring counter,${arch_drivers}), )
+	CXX_TARGETS += src/arch/stm32f446re-nucleo/driver/counter.cc
+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}
+
+# deliberately no ${MAKE} here -- multipass relies on make -B, but we don't
+# want to re-make libopencm3 all the time
+ext/libopencm3/lib/libopencm3_stm32f4.a: ext/libopencm3/Makefile
+	git submodule update --init
+	${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/stm32f446re-nucleo/stm32f446.ld \
+		${OBJECTS} -lopencm3_stm32f4 \
+		-o $@
+
+program: build/system.elf
+	openocd -c 'source [find interface/stlink-v2-1.cfg]' \
+		-c 'transport select hla_swd' -c 'source [find target/stm32f4x.cfg]' \
+		-c 'reset_config srst_only' -c '$$_TARGETNAME configure -rtos auto' \
+		-c 'reset_config connect_assert_srst' -c init -c targets \
+		-c 'reset halt' -c 'flash write_image erase "build/system.elf" 0' \
+		'verify_image "build/system.elf" 0' -c 'reset run' -c 'shutdown'
+
+arch_clean:
+	${QUIET}rm -f ${OBJECTS}
+
+monitor:
+	${QUIET}screen /dev/${SERIAL_PORT} 115200
+
+arch_help:
+	@echo "stm32f446re-nucleo specific flags:"
+	@echo "    DEBUG_PORT = ${DEBUG_PORT}"
+	@echo "    SERIAL_PORT = ${SERIAL_PORT}"
+	@echo "    cpu_freq = ${cpu_freq} (desired CPU frequency in Hz)"
+	@echo "        supported frequencies: 1 / 4 / 8 / 16 MHz"
+	@echo "    MSP430_FLASHER_DIR = /home/derf/var/projects/msp430/MSP430Flasher_1.3.7"
+	@echo "        (required for flashing, must contain libmsp430.so and MSP430Flasher)"
+
+arch_info:
+	@echo "CPU   Freq: ${cpu_freq} Hz"
+	@echo "Timer Freq: ${timer_freq} Hz -> $(shell src/arch/stm32f446re-nucleo/model.py f_timer "${cpu_freq}" "${timer_freq}")"
+	@echo "I2C   Freq: ${i2c_freq} Hz"
+	@echo "Counter Overflow: 65536/255"
+	@echo "Monitor: /dev/${SERIAL_PORT} 115200"
+
+.PHONY: arch_clean arch_help arch_info monitor program