From 5d17a976070be9d66349da0ddd28361884f3461d Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Sun, 26 Sep 2021 12:50:49 +0200
Subject: Link against libopencm3

---
 Makefile | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 4ef61dd..0b7e9c0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,23 @@
 
-.PHONY: all clean
+OBJS = main.o startup.o
+
+# tools
+PREFIX     ?= arm-none-eabi
+CC          = $(PREFIX)-gcc
+LD          = $(PREFIX)-gcc
+OBJCOPY     = $(PREFIX)-objcopy
 
-all:
+all: deps/libopencm3/lib/libopencm3_stm32f1.a
 	mkdir build
-	arm-none-eabi-gcc -O0 -c -g -mcpu=cortex-m3 -mthumb -o build/test_program.o src/test_program.c
-	arm-none-eabi-gcc -O0 -c -g -mcpu=cortex-m3 -mthumb -o build/startup.o src/startup.c
-	arm-none-eabi-ld -Tld/stm32.ld -o build/test_program.elf build/startup.o build/test_program.o
-	arm-none-eabi-objcopy -O binary build/test_program.elf build/test_program.bin
+	$(CC) -O0 -c -g -DSTM32F1 -Ideps/libopencm3/include -mcpu=cortex-m3 -mthumb -o build/main.o src/main.c
+	$(CC) -O0 -c -g -DSTM32F1 -Ideps/libopencm3/include -mcpu=cortex-m3 -mthumb -o build/startup.o src/startup.c
+	$(LD) --static -nostartfiles -mcpu=cortex-m3 -mthumb -msoft-float -Tld/stm32f103c8t6.ld -Ldeps/libopencm3/lib build/startup.o build/main.o -lopencm3_stm32f1 -o build/ledcontrol.elf
+	$(OBJCOPY) -O binary build/ledcontrol.elf build/ledcontrol.bin
+
+deps/libopencm3/lib/libopencm3_stm32f1.a:
+	make -C deps/libopencm3
 
 clean:
 	rm -rf build
+
+.PHONY: all clean
-- 
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