siva surendar / mbed-dev

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Diff: targets/hal/TARGET_STM/TARGET_STM32L0/serial_api.c

Revision:
114:fe4fe5cfc3a3
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
--- a/targets/hal/TARGET_STM/TARGET_STM32L0/serial_api.c	Tue Apr 19 11:15:15 2016 +0100
+++ b/targets/hal/TARGET_STM/TARGET_STM32L0/serial_api.c	Tue Apr 26 17:15:11 2016 +0100
@@ -91,10 +91,12 @@
     MBED_ASSERT(obj->uart != (UARTName)NC);
 
     // Enable UART clock
+#if defined(USART1_BASE)
     if (obj->uart == UART_1) {
         __HAL_RCC_USART1_CLK_ENABLE();
         obj->index = 0;
     }
+#endif
 
     if (obj->uart == UART_2) {
         __HAL_RCC_USART2_CLK_ENABLE();
@@ -150,11 +152,13 @@
 void serial_free(serial_t *obj)
 {
     // Reset UART and disable clock
+#if defined(USART1_BASE)
     if (obj->uart == UART_1) {
         __HAL_RCC_USART1_FORCE_RESET();
         __HAL_RCC_USART1_RELEASE_RESET();
         __HAL_RCC_USART1_CLK_DISABLE();
     }
+#endif
 
     if (obj->uart == UART_2) {
         __HAL_RCC_USART2_FORCE_RESET();
@@ -247,10 +251,12 @@
     }
 }
 
+#if defined(USART1_BASE)
 static void uart1_irq(void)
 {
     uart_irq(UART_1, 0);
 }
+#endif
 
 static void uart2_irq(void)
 {
@@ -289,10 +295,12 @@
 
     UartHandle.Instance = (USART_TypeDef *)(obj->uart);
 
+#if defined(USART1_BASE)
     if (obj->uart == UART_1) {
         irq_n = USART1_IRQn;
         vector = (uint32_t)&uart1_irq;
     }
+#endif
 
     if (obj->uart == UART_2) {
         irq_n = USART2_IRQn;