Add HAL API for i2c pinmap

Add the functions i2c_master_sda_pinmap, i2c_master_scl_pinmap,
i2c_slave_sda_pinmap and i2c_slave_scl_pinmap to all targets.

Author: c1728p9

hal/i2c_api.h

@@ -21,6 +21,7 @@
 #define MBED_I2C_API_H
 
 #include "device.h"
+#include "pinmap.h"
 #include "hal/buffer.h"
 
 #if DEVICE_I2C_ASYNCH
@@ -146,6 +147,42 @@ int i2c_byte_read(i2c_t *obj, int last);
  */
 int i2c_byte_write(i2c_t *obj, int data);
 
+/** Get the pins that support I2C SDA
+ *
+ * Return a PinMap array of pins that support I2C SDA in
+ * master mode. The array is terminated with {NC, NC, 0}.
+ *
+ * @return PinMap array
+ */
+const PinMap *i2c_master_sda_pinmap(void);
+
+/** Get the pins that support I2C SCL
+ *
+ * Return a PinMap array of pins that support I2C SCL in
+ * master mode. The array is terminated with {NC, NC, 0}.
+ *
+ * @return PinMap array
+ */
+const PinMap *i2c_master_scl_pinmap(void);
+
+/** Get the pins that support I2C SDA
+ *
+ * Return a PinMap array of pins that support I2C SDA in
+ * slave mode. The array is terminated with {NC, NC, 0}.
+ *
+ * @return PinMap array
+ */
+const PinMap *i2c_slave_sda_pinmap(void);
+
+/** Get the pins that support I2C SCL
+ *
+ * Return a PinMap array of pins that support I2C SCL in
+ * slave mode. The array is terminated with {NC, NC, 0}.
+ *
+ * @return PinMap array
+ */
+const PinMap *i2c_slave_scl_pinmap(void);
+
 /**@}*/
 
 #if DEVICE_I2CSLAVE

targets/TARGET_ARM_FM/TARGET_FVP_MPS2/i2c_api.c

@@ -587,3 +587,23 @@ int i2c_byte_write(i2c_t *obj, int data)
 {
     return 0;
 }
+
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}

targets/TARGET_ARM_SSG/TARGET_BEETLE/i2c_api.c

@@ -506,3 +506,23 @@ int i2c_slave_write(i2c_t *obj, const char *data, int length) {
 
 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) {
 }
+
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}

targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/i2c_api.c

@@ -271,3 +271,23 @@ int i2c_byte_write(i2c_t *obj, int data)
 
     return ack;
 }
+
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}

targets/TARGET_ARM_SSG/TARGET_IOTSS/i2c_api.c

@@ -521,3 +521,23 @@ int i2c_byte_read(i2c_t *obj, int last) {
 int i2c_byte_write(i2c_t *obj, int data) {
     return 0;
 }
+
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}

targets/TARGET_ARM_SSG/TARGET_MPS2/i2c_api.c

@@ -531,3 +531,23 @@ int i2c_byte_read(i2c_t *obj, int last) {
 int i2c_byte_write(i2c_t *obj, int data) {
     return 0;
 }
+
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}

targets/TARGET_Analog_Devices/TARGET_ADUCM302X/TARGET_ADUCM3029/api/i2c_api.c

@@ -221,4 +221,24 @@ int i2c_byte_write(i2c_t *obj, int data)
     return -1;
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 #endif  // #if DEVICE_I2C

targets/TARGET_Analog_Devices/TARGET_ADUCM4X50/TARGET_ADUCM4050/api/i2c_api.c

@@ -221,4 +221,24 @@ int i2c_byte_write(i2c_t *obj, int data)
     return -1;
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 #endif  // #if DEVICE_I2C

targets/TARGET_Atmel/TARGET_SAM_CortexM0P/i2c_api.c

@@ -573,6 +573,26 @@ int  i2c_byte_write(i2c_t *obj, int data)
     return 0;
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_SERCOM_PAD;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_SERCOM_PAD;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_SERCOM_PAD;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_SERCOM_PAD;
+}
+
 
 #if DEVICE_I2CSLAVE
 

targets/TARGET_Atmel/TARGET_SAM_CortexM4/i2c_api.c

@@ -425,6 +425,26 @@ int  i2c_byte_write(i2c_t *obj, int data)
     return ACK;
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 /**@}*/
 
 #if DEVICE_I2CSLAVE
@@ -712,4 +732,4 @@ void i2c_abort_asynch(i2c_t *obj)
     NVIC_DisableIRQ(obj->i2c.irq_type);
 }
 
-#endif
+#endif

targets/TARGET_Cypress/TARGET_PSOC6/i2c_api.c

@@ -500,6 +500,26 @@ int i2c_byte_write(i2c_t *obj_in, int data)
     }
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 #if DEVICE_I2C_ASYNCH
 
 void i2c_transfer_asynch(i2c_t *obj_in,

targets/TARGET_Cypress/TARGET_PSOC6_FUTURE/i2c_api.c

@@ -445,6 +445,26 @@ int i2c_byte_write(i2c_t *obj_in, int data)
     }
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 #if DEVICE_I2C_ASYNCH
 
 void i2c_transfer_asynch(i2c_t *obj_in,

targets/TARGET_Freescale/TARGET_K20XX/i2c_api.c

@@ -285,6 +285,26 @@ int i2c_byte_write(i2c_t *obj, int data) {
     return !i2c_do_write(obj, (data & 0xFF));
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 
 #if DEVICE_I2CSLAVE
 void i2c_slave_mode(i2c_t *obj, int enable_slave) {

targets/TARGET_Freescale/TARGET_KLXX/i2c_api.c

@@ -291,6 +291,26 @@ int i2c_byte_write(i2c_t *obj, int data) {
     return !i2c_do_write(obj, (data & 0xFF));
 }
 
+const PinMap *i2c_master_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_master_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
+const PinMap *i2c_slave_sda_pinmap()
+{
+    return PinMap_I2C_SDA;
+}
+
+const PinMap *i2c_slave_scl_pinmap()
+{
+    return PinMap_I2C_SCL;
+}
+
 
 #if DEVICE_I2CSLAVE
 void i2c_slave_mode(i2c_t *obj, int enable_slave) {