Update platform drivers

Revision:
9:9e247b9c9abf
diff -r 70fc373a5f46 -r 9e247b9c9abf src/uart_extra.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/uart_extra.h	Mon Jun 15 13:03:55 2020 +0000
@@ -0,0 +1,71 @@
+/***************************************************************************//**
+ *   @file     uart_extra.h
+ *   @brief:   Header containing extra types required for UART interface
+********************************************************************************
+ * Copyright (c) 2020 Analog Devices, Inc.
+ *
+ * All rights reserved.
+ *
+ * This software is proprietary to Analog Devices, Inc. and its licensors.
+ * By using this software you agree to the terms of the associated
+ * Analog Devices Software License Agreement.
+*******************************************************************************/
+
+#ifndef UART_EXTRA_H
+#define UART_EXTRA_H
+
+
+// Platform support needs to be C-compatible to work with other drivers
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/******************************************************************************/
+/***************************** Include Files **********************************/
+/******************************************************************************/
+#include <stdio.h>
+
+/******************************************************************************/
+/********************** Macros and Constants Definitions **********************/
+/******************************************************************************/
+
+/******************************************************************************/
+/********************** Variables and User defined data types *****************/
+/******************************************************************************/
+
+/*
+ * Note: The structure members are not strongly typed, as this file is included
+ *       in application specific '.c' files. The mbed code structure does not
+ *       allow inclusion of mbed driver files (e.g. mbed.h) into '.c' files.
+ *       All the members are hence typecasted to mbed specific type during
+ *       uart init and read/write operations.
+ **/
+
+/**
+ * @struct mbed_uart_init_param
+ * @brief Structure holding the UART init parameters for mbed platform.
+ */
+typedef struct {
+	uint8_t uart_tx_pin;		// UART Transmit Pin
+	uint8_t uart_rx_pin;  		// UART Receive Pin
+} mbed_uart_init_param;
+
+/**
+ * @struct mbed_uart_desc
+ * @brief UART specific descriptor for the mbed platform.
+ */
+typedef struct {
+	void *uart_port; 			// UART port instance
+} mbed_uart_desc;
+
+/******************************************************************************/
+/************************ Functions Declarations ******************************/
+/******************************************************************************/
+
+
+#ifdef __cplusplus // Closing extern c
+}
+#endif
+
+#endif /* UART_EXTRA_H */