1 files changed, 7 insertions, 2 deletions
diff --git a/defines.mk b/defines.mk
index 6d8669a..62551a4 100644
--- a/defines.mk
+++ b/defines.mk
@@ -24,18 +24,20 @@ ifeq ($(BOARD_TYPE),discovery)
   MCU := stm8s105c6
   F_XTAL := 16000000
   SPL_MCU := STM8S105
+  PROG := stlink
   LED_CNT := 1
   LED_GPIO := GPIOD
   LED_PINNUM := 0
-  PROG := stlink
+  SERIAL_IO := UART2
 endif
 ifeq ($(BOARD_TYPE),stm8blue)
   MCU := stm8s103f3
   SPL_MCU := STM8S103
+  PROG := stlinkv2
   LED_CNT := 1
   LED_GPIO := GPIOB
   LED_PINNUM := 5
-  PROG := stlinkv2
+  SERIAL_IO := UART1
 endif
 
 CC = sdcc
@@ -63,6 +65,9 @@ ifdef LED_CNT
   CFLAGS += -DLED_GPIO=$(LED_GPIO)
   CFLAGS += -DLED_PINNUM=$(LED_PINNUM)
 endif
+ifdef SERIAL_IO
+  CFLAGS += -DSERIAL_IO_$(SERIAL_IO)
+endif
 
 
 ## Linker flags