add code for STM8-based 2stepper management board

STM8/platform/Makefile

@@ -0,0 +1,30 @@
+NAME=sco_platform
+SDCC=sdcc
+
+CCFLAGS=-DSTM8S105 -I../ -I/usr/share/sdcc/include -mstm8 --out-fmt-ihx
+LDFLAGS= -mstm8 --out-fmt-ihx -lstm8
+FLASHFLAGS=-cstlinkv2 -pstm8s105?4
+
+SRC=$(wildcard *.c)
+#DEFS = -DEBUG
+
+OBJ=$(SRC:%.c=%.rel)
+TRASH=$(OBJ) $(SRC:%.c=%.rst) $(SRC:%.c=%.asm) $(SRC:%.c=%.lst)
+TRASH+=$(SRC:%.c=%.sym) $(NAME).lk $(NAME).map $(NAME).cdb
+INDEPENDENT_HEADERS=stm8l.h ports_definition.h Makefile
+
+all: $(NAME).ihx
+
+clean:
+	rm -f $(TRASH)
+
+load: $(NAME).ihx
+	stm8flash $(FLASHFLAGS) -w $(NAME).ihx
+
+%.rel: %.c
+	$(SDCC) $(CCFLAGS) $(DEFS) -c $<
+
+$(NAME).ihx: $(OBJ)
+	$(SDCC) $(LDFLAGS) $(OBJ) -o $(NAME).ihx
+
+.PHONY: all