big update of the forgotten

stm32-c/Makefile

@@ -0,0 +1,30 @@
+# Makefile for Witness Seed 2.0 on STM32
+
+CC = arm-none-eabi-gcc
+CFLAGS = -mcpu=cortex-m3 -mthumb -Os -Wall -fdata-sections -ffunction-sections -I.
+LDFLAGS = -mcpu=cortex-m3 -mthumb -specs=nosys.specs -Tstm32f1.ld -Wl,--gc-sections
+OBJCOPY = arm-none-eabi-objcopy
+STFLASH = st-flash
+
+TARGET = witness_seed
+SOURCES = witness_seed.c
+OBJECTS = $(SOURCES:.c=.o)
+
+all: $(TARGET).bin
+
+$(TARGET).o: $(SOURCES)
+    $(CC) $(CFLAGS) -c $< -o $@
+
+$(TARGET).elf: $(OBJECTS)
+    $(CC) $(OBJECTS) $(LDFLAGS) -o $@
+
+$(TARGET).bin: $(TARGET).elf
+    $(OBJCOPY) -O binary $< $@
+
+flash: $(TARGET).bin
+    $(STFLASH) write $< 0x8000000
+
+clean:
+    rm -f $(OBJECTS) $(TARGET).elf $(TARGET).bin
+
+.PHONY: all flash clean