add code for STM8-based 2stepper management board

STM8/2stepper4reductor/Makefile

@@ -0,0 +1,40 @@
+NAME=twosteppers
+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=$(wildcard *.c)
+
+OBJ=$(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: $(NAME).ihx
+
+#$(SRC) : %.c : %.h $(INDEPENDENT_HEADERS)
+#	@touch $@
+#
+#%.h: ;
+
+clean:
+	rm -f $(TRASH)
+
+load: $(NAME).ihx
+	stm8flash $(FLASHFLAGS) -w $(NAME).ihx
+
+gentags:
+	CFLAGS="$(CFLAGS) $(DEFS)" geany -g $(NAME).c.tags *[hc] 2>/dev/null
+
+%.rel: %.c
+	$(SDCC) $(CCFLAGS) -c $<
+
+bin: $(NAME).ihx
+	objcopy -I ihex -O binary $< $(NAME).bin
+
+$(NAME).ihx: $(OBJ)
+	$(SDCC) $(LDFLAGS) $(OBJ) -o $(NAME).ihx
+
+.PHONY: clean load gentags