Fix undefined behaviour.

[bertos.git] / bertos / cpu / cortex-m3 / drv / ser_stm32.h

diff --git a/bertos/cpu/cortex-m3/drv/ser_stm32.h b/bertos/cpu/cortex-m3/drv/ser_stm32.h
index 03a94fecb01e5b1f3ca16c487d7a41aac120c9f4..68fb4d468f023b2351a98d35c778bec08ee99d9e 100644 (file)
--- a/bertos/cpu/cortex-m3/drv/ser_stm32.h
+++ b/bertos/cpu/cortex-m3/drv/ser_stm32.h
@@ -49,8 +49,9 @@ enum
 {
        SER_UART1 = 0,
        SER_UART2,
+#if CPU_CM3_STM32F103RB
        SER_UART3,
-
+#endif
        SER_CNT //< Number of serial ports
 };