[STM32L1] Add asynchronous serial

Author: svastm

hal/targets/hal/TARGET_STM/TARGET_STM32L1/TARGET_MOTE_L152RC/objects.h

@@ -64,17 +64,6 @@ struct dac_s {
     PinName pin;
 };
 
-struct serial_s {
-    UARTName uart;
-    int index; // Used by irq
-    uint32_t baudrate;
-    uint32_t databits;
-    uint32_t stopbits;
-    uint32_t parity;
-    PinName  pin_tx;
-    PinName  pin_rx;
-};
-
 struct spi_s {
     SPIName spi;
     uint32_t bits;

hal/targets/hal/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/objects.h

@@ -64,17 +64,6 @@ struct dac_s {
     PinName pin;
 };
 
-struct serial_s {
-    UARTName uart;
-    int index; // Used by irq
-    uint32_t baudrate;
-    uint32_t databits;
-    uint32_t stopbits;
-    uint32_t parity;
-    PinName  pin_tx;
-    PinName  pin_rx;
-};
-
 struct spi_s {
     SPIName spi;
     uint32_t bits;

hal/targets/hal/TARGET_STM/TARGET_STM32L1/TARGET_NZ32_SC151/objects.h

@@ -64,17 +64,6 @@ struct dac_s {
     PinName pin;
 };
 
-struct serial_s {
-    UARTName uart;
-    int index; // Used by irq
-    uint32_t baudrate;
-    uint32_t databits;
-    uint32_t stopbits;
-    uint32_t parity;
-    PinName  pin_tx;
-    PinName  pin_rx;
-};
-
 struct spi_s {
     SPIName spi;
     uint32_t bits;

hal/targets/hal/TARGET_STM/TARGET_STM32L1/common_objects.h

@@ -47,6 +47,25 @@ struct pwmout_s {
     uint32_t pulse;
 };
 
+struct serial_s {
+    UARTName uart;
+    int index; // Used by irq
+    uint32_t baudrate;
+    uint32_t databits;
+    uint32_t stopbits;
+    uint32_t parity;
+    PinName pin_tx;
+    PinName pin_rx;
+#if DEVICE_SERIAL_ASYNCH
+    uint32_t events;
+#endif
+#if DEVICE_SERIAL_FC
+    uint32_t hw_flow_ctl;
+    PinName pin_rts;
+    PinName pin_cts;
+#endif
+};
+
 #include "gpio_object.h"
 
 #ifdef __cplusplus