Merge pull request #2463 from svastm/serial_asynch_l0

[STM32L0] Add asynchronous serial

Author: sg-

hal/targets.json

@@ -940,7 +940,7 @@
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l053r8"},
         "detect_code": ["0715"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_lib": "small",
         "release_versions": ["2"]
     },
@@ -953,7 +953,7 @@
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l073rz"},
         "detect_code": ["0760"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "release_versions": ["2", "5"]
     },
     "NUCLEO_L152RE": {

hal/targets/hal/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/objects.h

@@ -66,17 +66,6 @@ struct dac_s {
     uint32_t channel;
 };
 
-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_STM32L0/TARGET_NUCLEO_L011K4/objects.h

@@ -60,17 +60,6 @@ struct analogin_s {
     uint32_t channel;
 };
 
-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_STM32L0/TARGET_NUCLEO_L031K6/objects.h

@@ -60,17 +60,6 @@ struct analogin_s {
     uint32_t channel;
 };
 
-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_STM32L0/TARGET_NUCLEO_L053R8/objects.h

@@ -66,17 +66,6 @@ struct dac_s {
     uint32_t channel;
 };
 
-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_STM32L0/TARGET_NUCLEO_L073RZ/objects.h

@@ -66,17 +66,6 @@ struct dac_s {
     uint32_t channel;
 };
 
-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_STM32L0/common_objects.h

@@ -49,6 +49,25 @@ struct pwmout_s {
     uint8_t inverted;
 };
 
+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