hello world stm32l432

targets/stm32l442/Makefile

@@ -0,0 +1,36 @@
+CC=arm-none-eabi-gcc.exe
+CP=arm-none-eabi-objcopy.exe
+SZ=arm-none-eabi-size.exe
+
+SRC=src/main.c src/startup_stm32l432xx.s src/system_stm32l4xx.c $(wildcard lib/*c)
+OBJ=$(SRC:.c=.o)
+INC=-Isrc/ -Isrc/cmsis -Ilib/
+LDSCRIPT=stm32l432xx.ld
+
+CFLAGS= $(INC)
+
+TARGET=solo
+HW=-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb
+
+CFLAGS=$(INC) -c -DSTM32L432xx -DUSE_FULL_LL_DRIVER -O0  -Wall -fdata-sections -ffunction-sections
+LDFLAGS=$(HW) -specs=nano.specs -T$(LDSCRIPT) -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections
+
+all: $(TARGET).elf
+	$(SZ) $^
+	$(CP) -O ihex $^ $(TARGET).hex
+
+%.o: %.c
+	$(CC) $^ $(HW) $(CFLAGS) -o $@
+
+%.o: %.s
+	$(CC) $^ $(HW) $(CFLAGS) -o $@
+
+%.elf: $(OBJ)
+	$(CC) $^ $(HW) $(LDFLAGS) -o $@
+
+clean:
+	rm -f *.o src/*.o src/*.elf *.elf
+
+flash:
+	STM32_Programmer_CLI.exe -c port=SWD -halt -d $(TARGET).hex -rst
+