From d48b92b93507f46ba2623284d8a0841e22e9a09b Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Mon, 4 Mar 2019 23:16:42 +0900
Subject: driver/fw: Beginnings of a firmware

This code starts up and blinks a led. This means RCC, GPIO and SPI1 are working.
---
 driver_fw/Makefile | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

(limited to 'driver_fw/Makefile')

diff --git a/driver_fw/Makefile b/driver_fw/Makefile
index 5ad3b23..b38bcd3 100644
--- a/driver_fw/Makefile
+++ b/driver_fw/Makefile
@@ -1,7 +1,7 @@
-CUBE_PATH 		?= $(wildcard ~)/resource/STM32CubeF1
+CUBE_PATH 		?= $(wildcard ~)/resource/STM32Cube_FW_F0_V1.9.0
 CMSIS_PATH 		?= $(CUBE_PATH)/Drivers/CMSIS
-CMSIS_DEV_PATH  ?= $(CMSIS_PATH)/Device/ST/STM32F1xx
-HAL_PATH   		?= $(CUBE_PATH)/Drivers/STM32F1xx_HAL_Driver
+CMSIS_DEV_PATH  ?= $(CMSIS_PATH)/Device/ST/STM32F0xx
+HAL_PATH   		?= $(CUBE_PATH)/Drivers/STM32F0xx_HAL_Driver
 
 CC      := arm-none-eabi-gcc
 LD      := arm-none-eabi-ld
@@ -10,7 +10,7 @@ OBJDUMP := arm-none-eabi-objdump
 SIZE    := arm-none-eabi-size
 
 CFLAGS  = -g -Wall -std=gnu11 -O0 -fdump-rtl-expand -Wno-discarded-qualifiers
-CFLAGS += -mlittle-endian -mcpu=cortex-m3 -mthumb
+CFLAGS += -mlittle-endian -mcpu=cortex-m0 -mthumb
 #CFLAGS += -ffunction-sections -fdata-sections
 LDFLAGS = -nostartfiles
 #LDFLAGS += -specs=rdimon.specs -DSEMIHOSTING
@@ -19,7 +19,10 @@ LDFLAGS += -Wl,-Map=main.map -nostdlib
 LIBS = -lgcc
 #LIBS += -lrdimon
 
-CFLAGS += -DSTM32F103xB -DHSE_VALUE=8000000
+# 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$(HAL_PATH)/Inc -Iconfig -I../common
@@ -31,7 +34,7 @@ CFLAGS += -I$(CMSIS_DEV_PATH)/Include -I$(CMSIS_PATH)/Include -I$(HAL_PATH)/Inc
 
 all: main.elf main.pdf
 
-cmsis_exports.c: $(CMSIS_DEV_PATH)/Include/stm32f103xb.h $(CMSIS_PATH)/Include/core_cm3.h
+cmsis_exports.c: $(CMSIS_DEV_PATH)/Include/stm32f030x6.h $(CMSIS_PATH)/Include/core_cm0.h
 	python3 gen_cmsis_exports.py $^ > $@
 
 %.o: %.c
@@ -45,7 +48,7 @@ cmsis_exports.c: $(CMSIS_DEV_PATH)/Include/stm32f103xb.h $(CMSIS_PATH)/Include/c
 %.dot: %.elf
 	r2 -a arm -qc 'aa;agC' $< 2>/dev/null >$@
 
-main.elf: main.o startup_stm32f103xb.o system_stm32f1xx.o $(HAL_PATH)/Src/stm32f1xx_ll_utils.o cmsis_exports.o ../common/8b10b.o
+main.elf: main.o startup_stm32f030x6.o system_stm32f0xx.o $(HAL_PATH)/Src/stm32f0xx_ll_utils.o cmsis_exports.o ../common/8b10b.o
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
 	$(OBJCOPY) -O ihex $@ $(@:.elf=.hex)
 	$(OBJCOPY) -O binary $@ $(@:.elf=.bin)
-- 
cgit