o Initial import.HEADmaster

14 files changed, 1499 insertions, 0 deletions

diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/Datatypes.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/Datatypes.h
new file mode 100644
index 0000000..2e056fe
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/Datatypes.h
@@ -0,0 +1,122 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file
+*
+* \brief This file contains the type definitions for the fundamental data types.
+*
+* 
+*
+*/
+
+#ifndef _DATATYPES_H_
+#define _DATATYPES_H_
+
+/******************************************************************************
+* required includes
+* Setup common include order for the used types and definitions
+******************************************************************************/
+#include <stdlib.h>   
+#include <string.h>
+#include <stdint.h>
+
+/******************************************************************************
+* DataTypes.h
+******************************************************************************/
+
+/******************************************************************************
+* defines
+******************************************************************************/
+
+/// @cond hidden
+#ifndef _OPTIGA_EXPORTS_DLLEXPORT_H_
+#define _OPTIGA_EXPORTS_DLLEXPORT_H_
+
+#if defined(WIN32) || defined(_WIN32)
+
+#ifdef OPTIGA_LIB_EXPORTS
+#define LIBRARY_EXPORTS __declspec(dllexport)
+#elif defined(OPTIGA_LIB_EXCLUDE_IMPORT)
+#define LIBRARY_EXPORTS 
+#else
+#define LIBRARY_EXPORTS __declspec(dllimport)
+#endif  // OPTIGA_LIB_EXPORTS
+
+#else
+#define LIBRARY_EXPORTS
+#endif //WIN32
+
+#endif /*_OPTIGA_EXPORTS_DLLEXPORT_H_*/
+/// @endcond 
+
+/// Definition for false 
+#ifndef FALSE
+#define FALSE               0
+#endif
+
+/// Definition for true 
+#ifndef TRUE
+#define TRUE                1
+#endif
+
+/******************************************************************************
+* fundamental typedefs
+******************************************************************************/
+
+/// Typedef for one byte integer
+typedef char char_t;
+
+/// Typedef for native byte pointer
+typedef uint8_t* puint8_t;
+
+/// Typedef for a 4 byte unsigned integer pointer
+typedef uint32_t* puint32_t;
+
+/// Typedef for unsigned word pointer
+typedef uint16_t* puint16_t ;
+
+/// Typedef for a void
+typedef void			Void;
+
+/// Typedef for a double word
+typedef double			double_t;
+
+/// Typedef for a float
+typedef float			float_t;
+
+/// Typedef for a boolean
+typedef uint8_t         bool_t;
+
+/// Typedef for Handle
+typedef Void* hdl_t;
+
+/// typedef for host library status
+typedef uint16_t host_lib_status_t;
+    
+/**
+ * \brief Structure to specify a byte stream consisting of length and data
+ *        pointer.
+ */
+typedef struct sbBlob_d
+{
+    /// Length of the byte stream
+    uint16_t wLen;
+
+    /// Pointer to byte array which contains the data stream
+    uint8_t *prgbStream;
+} sbBlob_d;
+
+/// typedef for application event handler
+typedef void (*app_event_handler_t)(void* upper_layer_ctx, host_lib_status_t event);
+
+#ifndef _STATIC_H
+#define _STATIC_H static
+#endif
+#endif /* __DATATYPES_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c.h
new file mode 100644
index 0000000..0a3b586
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c.h
@@ -0,0 +1,90 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file ifx_i2c.h
+*
+* \brief   This file defines the API prototype for IFX I2C protocol v1.65 wrapper.
+*
+* \addtogroup  grIFXI2C
+* @{
+*/
+
+#ifndef _IFXI2C_H_
+#define _IFXI2C_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+/***********************************************************************************************************************
+ * HEADER FILES
+ **********************************************************************************************************************/
+#include "Datatypes.h"
+#include "ifx_i2c_config.h"
+/***********************************************************************************************************************
+* MACROS
+***********************************************************************************************************************/  
+  
+/***********************************************************************************************************************
+
+* ENUMS
+***********************************************************************************************************************/
+
+/** @brief IFX I2C Reset types */
+typedef enum ifx_i2c_reset_type
+{
+	/// Cold reset. Both reset pin and vdd pin are toggled low and then high
+    IFX_I2C_COLD_RESET = 0U,
+    /// Soft reset. 0x0000 is written to IFX-I2C Soft reset register
+	IFX_I2C_SOFT_RESET = 1U,
+    /// Warm reset. Only reset pin is toggled low and then high
+    IFX_I2C_WARM_RESET = 2U 
+} ifx_i2c_reset_type_t;
+/***********************************************************************************************************************
+* DATA STRUCTURES
+***********************************************************************************************************************/
+/***********************************************************************************************************************
+* API PROTOTYPES
+**********************************************************************************************************************/
+ 
+/**
+ * \brief   Initializes the IFX I2C protocol stack for a given context.
+ */
+host_lib_status_t ifx_i2c_open(ifx_i2c_context_t *p_ctx);
+
+/**
+ * \brief   Resets the I2C slave.
+ */
+host_lib_status_t ifx_i2c_reset(ifx_i2c_context_t *p_ctx, ifx_i2c_reset_type_t reset_type);
+
+/**
+ * \brief   Sends a command and receives a response for the command.
+ */
+host_lib_status_t ifx_i2c_transceive(ifx_i2c_context_t *p_ctx,const uint8_t* p_data, const uint16_t* p_data_length, 
+                          uint8_t* p_buffer, uint16_t* p_buffer_len);
+
+/**
+ * \brief   Closes the IFX I2C protocol stack for a given context.
+ */
+host_lib_status_t ifx_i2c_close(ifx_i2c_context_t *p_ctx);
+
+/**
+ * \brief   Sets the slave address of the target device.
+ */
+host_lib_status_t ifx_i2c_set_slave_address(ifx_i2c_context_t *p_ctx, uint8_t slave_address, uint8_t persistent);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _IFXI2C_H_ */
+/**
+ * @}
+ **/
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_config.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_config.h
new file mode 100644
index 0000000..bf1fa2f
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_config.h
@@ -0,0 +1,296 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file ifx_i2c_config.h
+*
+* \brief   This file defines the structures and macros for the Infineon I2C Protocol.
+*
+* \addtogroup  grIFXI2C
+* @{
+*/
+
+#ifndef _IFX_I2C_CONFIG_H_
+#define _IFX_I2C_CONFIG_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+/***********************************************************************************************************************
+* HEADER FILES
+**********************************************************************************************************************/
+// Protocol Stack Includes
+#include <stdint.h>
+#include "pal_i2c.h"
+#include "pal_gpio.h"
+#include "pal_os_timer.h"
+
+/***********************************************************************************************************************
+* MACROS
+**********************************************************************************************************************/
+
+/** @brief I2C slave address of the Infineon device */
+#define IFX_I2C_BASE_ADDR           (0x30)
+
+/** @brief Physical Layer: polling interval in microseconds */
+#define PL_POLLING_INVERVAL_US      (1000)
+/** @brief Physical layer: maximal attempts */
+#define PL_POLLING_MAX_CNT          (200)
+/** @brief Physical Layer: data register polling interval in microseconds */
+#define PL_DATA_POLLING_INVERVAL_US (5000)
+/** @brief Physical Layer: guard time interval in microseconds */
+#define PL_GUARD_TIME_INTERVAL_US   (50)
+
+/** @brief Data link layer: maximum frame size */
+#define DL_MAX_FRAME_SIZE           (300)
+/** @brief Data link layer: header size */
+#define DL_HEADER_SIZE              (5)
+/** @brief Data link layer: maximum number of retries in case of transmission error */
+#define DL_TRANS_REPEAT             (3)
+/** @brief Data link layer: Trans timeout in milliseconds*/
+#define PL_TRANS_TIMEOUT_MS         (10)
+
+/** @brief Transport layer: Maximum exit timeout in seconds */
+#define TL_MAX_EXIT_TIMEOUT         (6)
+
+/** @brief Reset low time for GPIO pin toggling */
+#define RESET_LOW_TIME_MSEC         (2000)
+/** @brief Start up time */
+#define STARTUP_TIME_MSEC           (12000)
+
+/** @brief Protocol Stack: Status codes for success */
+#define IFX_I2C_STACK_SUCCESS       (0x00)
+/** @brief Protocol Stack: Status codes for error */
+#define IFX_I2C_STACK_ERROR         (0x01)
+/** @brief Protocol Stack: Status codes busy */
+#define IFX_I2C_STACK_BUSY          (0x02)
+/** @brief Protocol Stack: Memory insufficient */
+#define IFX_I2C_STACK_MEM_ERROR     (0x03)
+/** @brief Protocol Stack: Fatal error. Used internal to IFX I2C Stack */
+#define IFX_I2C_FATAL_ERROR         (0x04)
+
+/** @brief Offset of Datalink header in tx_frame_buffer */
+#define IFX_I2C_DL_HEADER_OFFSET    (0)
+/** @brief Offset of Transport header in tx_frame_buffer */
+#define IFX_I2C_TL_HEADER_OFFSET    (IFX_I2C_DL_HEADER_OFFSET+3)
+
+/** @brief Protocol Stack debug switch for physical layer (set to 0 or 1) */
+#define IFX_I2C_LOG_PL              0
+/** @brief Protocol Stack debug switch for data link layer (set to 0 or 1) */
+#define IFX_I2C_LOG_DL              0
+/** @brief Protocol Stack debug switch for transport layer (set to 0 or 1) */
+#define IFX_I2C_LOG_TL              0
+
+/** @brief Log ID number for physical layer */
+#define IFX_I2C_LOG_ID_PL           0x00
+/** @brief Log ID number for data link layer */
+#define IFX_I2C_LOG_ID_DL           0x01
+/** @brief Log ID number for transport layer */
+#define IFX_I2C_LOG_ID_TL           0x02
+/** @brief Log ID number for platform abstraction layer */
+#define IFX_I2C_LOG_ID_PAL          0x04
+
+/***********************************************************************************************************************
+* ENUMS
+***********************************************************************************************************************/
+
+
+/***********************************************************************************************************************
+* DATA STRUCTURES
+***********************************************************************************************************************/
+typedef struct ifx_i2c_context ifx_i2c_context_t;
+
+/** @brief Event handler function prototype */
+typedef void (*ifx_i2c_event_handler_t)(struct ifx_i2c_context* ctx, host_lib_status_t event, const uint8_t* data, uint16_t data_len);
+
+/** @brief Physical layer structure */
+typedef struct ifx_i2c_pl
+{    
+    // Physical Layer low level interface variables
+    
+    /// Physical layer buffer
+    uint8_t buffer[DL_MAX_FRAME_SIZE+1];
+    /// Tx length
+    uint16_t buffer_tx_len;
+    /// Rx length
+    uint16_t buffer_rx_len;
+    /// Action on register, read/write    
+    uint8_t  register_action;
+    /// i2c read/i2c write
+    uint8_t  i2c_cmd;
+    /// Retry counter
+    uint16_t retry_counter;
+    
+    // Physical Layer high level interface variables
+    
+    /// Action of frame. Tx/Rx
+    uint8_t   frame_action;
+    /// Frame state
+    uint8_t   frame_state ;
+    /// Pointer to data to be sent
+    uint8_t * p_tx_frame;
+    /// Length of data to be sent
+    uint16_t  tx_frame_len;
+    // Upper layer handler
+    ifx_i2c_event_handler_t upper_layer_event_handler;
+    
+    // Physical Layer negotiation/soft reset variables
+    
+    /// Negotiation state
+    uint8_t   negotiate_state;
+    /// Soft reset requested
+    uint8_t   request_soft_reset;
+} ifx_i2c_pl_t;
+
+/** @brief Datalink layer structure */
+typedef struct ifx_i2c_dl
+{  
+    // Data Link layer internal state variables
+    
+    /// Datalink layer state
+    uint8_t state;
+    /// Tx sequence number
+    uint8_t tx_seq_nr;
+    // Rx sequence number
+    uint8_t rx_seq_nr;
+    /// Indicate only Rx required
+    uint8_t action_rx_only;
+    /// Retransmit counter
+    uint8_t retransmit_counter;
+    /// Error occured
+    uint8_t error;
+    /// Resynced
+    uint8_t resynced;
+    /// Timeout value
+    uint32_t data_poll_timeout;
+    /// Transmit buffer size
+    uint16_t tx_buffer_size;
+    /// Receive buffer size
+    uint16_t rx_buffer_size;
+    /// Pointer to main transmit buffers
+    uint8_t* p_tx_frame_buffer;
+    /// Pointer to main receive buffers
+    uint8_t* p_rx_frame_buffer;
+    ///Start time of sending frame
+    uint32_t frame_start_time;
+    // Upper layer Event handler
+    ifx_i2c_event_handler_t upper_layer_event_handler;
+} ifx_i2c_dl_t;
+
+/** @brief Transport layer structure */
+typedef struct ifx_i2c_tl
+{
+    // Transport Layer state and buffer
+    
+    /// Transport layer state
+    uint8_t  state;
+    /// Pointer to packet provided by user
+    uint8_t* p_actual_packet;
+    /// Total received data
+    uint16_t total_recv_length;
+    /// Actual length of user provided packet
+    uint16_t actual_packet_length;
+    /// Offset till which data is sent from p_actual_packet
+    uint16_t packet_offset;
+    /// Maximum length of packet at transport layer
+    uint16_t max_packet_length;
+    /// Pointer to user provided receive buffer
+    uint8_t* p_recv_packet_buffer;
+    /// Length of receive buffer
+    uint16_t* p_recv_packet_buffer_length;
+    /// Start time of the transport layer API
+    uint32_t api_start_time;
+	///Chaining error coutn from slave
+	uint8_t chaining_error_count;
+	///Chaining error count for master
+	uint8_t master_chaining_error_count;
+	///State to check last chaining state
+	uint8_t previous_chaining;
+    /// transmission done
+    uint8_t transmission_completed;
+	/// Error event state
+	uint8_t error_event;
+    
+    /// Upper layer event handler
+    ifx_i2c_event_handler_t upper_layer_event_handler;
+} ifx_i2c_tl_t;
+
+/** @brief IFX I2C context structure */
+struct ifx_i2c_context
+{
+    /// I2C Slave address
+    uint8_t slave_address;
+    /// Frequency of i2c master
+    uint16_t frequency;
+    /// Data link layer frame size
+    uint16_t frame_size;
+    /// Pointer to pal gpio context for vdd
+    pal_gpio_t* p_slave_vdd_pin;
+    /// Pointer to pal gpio context for reset
+    pal_gpio_t* p_slave_reset_pin;  
+    /// Pointer to pal i2c context
+    pal_i2c_t* p_pal_i2c_ctx;
+     
+    /// Upper layer event handler
+    app_event_handler_t upper_layer_event_handler;
+    /// Upper layer context
+    void* p_upper_layer_ctx;
+    /// Pointer to upper layer rx buffer
+    uint8_t* p_upper_layer_rx_buffer;
+    /// Pointer to length of upper layer rx buffer
+    uint16_t* p_upper_layer_rx_buffer_len;
+    
+    /// Protocol variables
+	/// ifx i2c wrapper apis state
+    uint8_t state;
+	/// ifx i2c wrapper api status
+    uint8_t status;
+    /// reset states
+    uint8_t reset_state;
+    /// type of reset
+    uint8_t reset_type;
+    /// init pal
+    uint8_t do_pal_init;
+    
+    /// Transport layer context
+    ifx_i2c_tl_t tl;
+    /// Datalink layer context
+    ifx_i2c_dl_t dl;
+    /// Physical layer context
+    ifx_i2c_pl_t pl;
+    
+    /// IFX I2C tx frame of max length
+    uint8_t tx_frame_buffer[DL_MAX_FRAME_SIZE];
+    /// IFX I2C rx frame of max length
+    uint8_t rx_frame_buffer[DL_MAX_FRAME_SIZE];
+       
+};
+
+/***********************************************************************************************************************
+* GLOBAL
+***********************************************************************************************************************/
+
+/** @brief IFX I2C Instance */
+extern ifx_i2c_context_t ifx_i2c_context_0;
+
+/***********************************************************************************************************************
+* LOCAL ROUTINES
+***********************************************************************************************************************/
+
+/***********************************************************************************************************************
+* API PROTOTYPES
+**********************************************************************************************************************/
+
+/**
+ * @}
+ **/
+#ifdef __cplusplus
+}
+#endif
+#endif /* _IFX_I2C_CONFIG_H_ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_data_link_layer.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_data_link_layer.h
new file mode 100644
index 0000000..ae89ff3
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_data_link_layer.h
@@ -0,0 +1,103 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file ifx_i2c_data_link_layer.h
+*
+* \brief   This file defines the API prototype for data link layer of the Infineon I2C Protocol Stack library.
+*
+* \addtogroup  grIFXI2C
+* @{
+*/
+
+#ifndef _IFX_I2C_DATA_LINK_LAYER_H_
+#define _IFX_I2C_DATA_LINK_LAYER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+/***********************************************************************************************************************
+* HEADER FILES
+**********************************************************************************************************************/
+#include "ifx_i2c_config.h"
+
+/***********************************************************************************************************************
+* MACROS
+**********************************************************************************************************************/
+/** @brief Error event propagated to upper layer */
+#define IFX_I2C_DL_EVENT_ERROR              (0x01)
+/** @brief Transmit success event propagated to upper layer (bit field 1) */
+#define IFX_I2C_DL_EVENT_TX_SUCCESS         (0x02)
+/** @brief Receive success event propagated to upper layer (bit field 3)*/
+#define IFX_I2C_DL_EVENT_RX_SUCCESS         (0x04)
+
+/***********************************************************************************************************************
+* ENUMS
+**********************************************************************************************************************/
+/***********************************************************************************************************************
+* DATA STRUCTURES
+***********************************************************************************************************************/
+/***********************************************************************************************************************
+* API PROTOTYPES
+**********************************************************************************************************************/
+/**
+ * @brief Function for initializing the module.
+ *
+ * Function initializes and enables the module and registers
+ * an event handler to receive events from this module.
+ * @attention This function must be called before using the module.
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ * @param[in] handler     Function pointer to the event handler of the upper layer.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If initialization was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is already initialized.
+ */
+host_lib_status_t ifx_i2c_dl_init(ifx_i2c_context_t *p_ctx,ifx_i2c_event_handler_t handler);
+
+/**
+ * @brief Function for sending a frame.
+ *
+ * Asynchronous function to send a frame. The function returns immediately.
+ * One of the following events is propagated to the event handler registered
+ * with @ref ifx_i2c_dl_init.
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ * @param[in] frame_len     Frame length.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If function was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is busy.
+ */
+host_lib_status_t ifx_i2c_dl_send_frame(ifx_i2c_context_t *p_ctx,uint16_t frame_len);
+
+/**
+ * @brief Function for receiving a frame.
+ *
+ * Asynchronous function to receive a frame. The function returns immediately.
+ * One of the following events is propagated to the event handler registered
+ * with @ref ifx_i2c_dl_init.
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If function was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is busy.
+ */
+host_lib_status_t ifx_i2c_dl_receive_frame(ifx_i2c_context_t *p_ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _IFX_I2C_DATA_LINK_LAYER_H_ */
+
+
+/**
+ * @}
+ **/
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_physical_layer.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_physical_layer.h
new file mode 100644
index 0000000..18366f7
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_physical_layer.h
@@ -0,0 +1,110 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file ifx_i2c_physical_layer.h
+*
+* \brief   This file defines the API prototype for physical layer of the Infineon I2C Protocol Stack library.
+*
+* \addtogroup  grIFXI2C
+* @{
+*/
+
+#ifndef _IFX_I2C_PHYSICAL_LAYER_H_
+#define _IFX_I2C_PHYSICAL_LAYER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+/***********************************************************************************************************************
+* HEADER FILES
+**********************************************************************************************************************/
+#include "ifx_i2c_config.h"
+ 
+/***********************************************************************************************************************
+* MACROS
+**********************************************************************************************************************/
+/***********************************************************************************************************************
+* ENUMS
+**********************************************************************************************************************/
+/***********************************************************************************************************************
+* DATA STRUCTURES
+***********************************************************************************************************************/
+/***********************************************************************************************************************
+* API PROTOTYPES
+**********************************************************************************************************************/
+/**
+ * @brief Function for initializing the module.
+ *
+ * Function initializes and enables the module and registers
+ * an event handler to receive events from this module.
+ * @attention This function must be called before using the module.
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ * @param[in] handler     Function pointer to the event handler of the upper layer.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If initialization was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is already initialized.
+ */
+host_lib_status_t ifx_i2c_pl_init(ifx_i2c_context_t *p_ctx,ifx_i2c_event_handler_t handler);
+
+/**
+ * @brief Function for sending a frame.
+ *
+ * Asynchronous function to send a frame. The function returns immediately.
+ * One of the following events is propagated to the event handler registered
+ * with @ref ifx_i2c_pl_init
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ * @param[in] p_frame         Buffer containing the frame.
+ * @param[in] frame_len     Frame length.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If function was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is busy.
+ */
+host_lib_status_t ifx_i2c_pl_send_frame(ifx_i2c_context_t *p_ctx,uint8_t* p_frame, uint16_t frame_len);
+
+/**
+ * @brief Function for receiving a frame.
+ *
+ * Asynchronous function to receive a frame. The function returns immediately.
+ * One of the following events is propagated to the event handler registered
+ * with @ref ifx_i2c_pl_init
+ *
+ * @param[in] p_ctx     Pointer to ifx i2c context.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If function was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is busy.
+ */
+host_lib_status_t ifx_i2c_pl_receive_frame(ifx_i2c_context_t *p_ctx);
+
+
+/**
+ * @brief Function for setting slave address.
+ *
+ * Synchronous function to set slave address. 
+ *
+ * @param[in]    p_ctx              Pointer to ifx i2c context.
+ * @param[in]    slave_address      Holds new slave address[7 Bit] to be set.
+ * @param[in]    storage_type       0 - To set the Slave address until next reset.<br>
+ *                                  Non-zero - To set the slave address to persistent memory.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If function was successful.
+ * @retval  IFX_I2C_STACK_ERROR   If setting slave address fails.
+ */
+host_lib_status_t ifx_i2c_pl_write_slave_address(ifx_i2c_context_t *p_ctx, uint8_t slave_address, uint8_t storage_type);
+/**
+ * @}
+ **/
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _IFX_I2C_PHYSICAL_LAYER_H_ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_transport_layer.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_transport_layer.h
new file mode 100644
index 0000000..6b61011
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/ifx_i2c_transport_layer.h
@@ -0,0 +1,84 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file ifx_i2c_transport_layer.h
+*
+* \brief   This file defines the API prototype for transport layer of the Infineon I2C Protocol Stack library.
+*
+* \addtogroup  grIFXI2C
+* @{
+*/
+
+#ifndef _IFX_I2C_TRANSPORT_LAYER_H_
+#define _IFX_I2C_TRANSPORT_LAYER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+/***********************************************************************************************************************
+* HEADER FILES
+**********************************************************************************************************************/
+#include "ifx_i2c_config.h"
+#include "pal_os_timer.h"
+    
+/***********************************************************************************************************************
+* MACROS
+**********************************************************************************************************************/
+/***********************************************************************************************************************
+* ENUMS
+**********************************************************************************************************************/
+/***********************************************************************************************************************
+* DATA STRUCTURES
+***********************************************************************************************************************/
+/***********************************************************************************************************************
+* API PROTOTYPES
+**********************************************************************************************************************/
+/**
+ * @brief Function for initializing the module.
+ *
+ * Function initializes and enables the module and registers
+ * an event handler to receive events from this module.
+ * @attention This function must be called before using the module.
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ * @param[in] handler     Function pointer to the event handler of the upper layer.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If initialization was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is already initialized.
+ */
+host_lib_status_t ifx_i2c_tl_init(ifx_i2c_context_t *p_ctx,ifx_i2c_event_handler_t handler);
+
+/**
+ * @brief Function to transmit and receive a packet.
+ *
+ * Asynchronous function to send and receive a packet.
+ * The function returns immediately. One of the following events is
+ * propagated to the event handler registered with @ref ifx_i2c_tl_init
+ *
+ * @param[in,out] p_ctx     Pointer to ifx i2c context.
+ * @param[in] p_packet             Buffer containing the packet header.
+ * @param[in] packet_len           Packet header length.
+ * @param[in] p_recv_packet        Buffer containing the packet payload.
+ * @param[in] recv_packet_len      Packet payload length.
+ *
+ * @retval  IFX_I2C_STACK_SUCCESS If function was successful.
+ * @retval  IFX_I2C_STACK_ERROR If the module is busy.
+ */
+host_lib_status_t ifx_i2c_tl_transceive(ifx_i2c_context_t *p_ctx,uint8_t* p_packet, uint16_t packet_len,
+                               uint8_t* p_recv_packet, uint16_t* recv_packet_len);
+
+/**
+ * @}
+ **/
+#ifdef __cplusplus
+}
+#endif
+#endif /* IFX_I2C_TRANSPORT_LAYER_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/optiga_comms.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/optiga_comms.h
new file mode 100644
index 0000000..d04cd95
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/optiga_comms.h
@@ -0,0 +1,90 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file
+*
+* \brief This file implements optiga comms abstraction layer for IFX I2C Protocol.
+*
+* \addtogroup  grOptigaComms
+* @{
+*/
+
+#ifndef _OPTIGA_COMMS_H_
+#define _OPTIGA_COMMS_H_
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+#include "Datatypes.h"
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+/// Succesfull execution
+#define OPTIGA_COMMS_SUCCESS        0x0000
+/// Error in execution
+#define OPTIGA_COMMS_ERROR          0x0001
+/// Busy, doing operation
+#define OPTIGA_COMMS_BUSY           0x0002
+
+/**********************************************************************************************************************
+ * DATA STRUCTURES
+ *********************************************************************************************************************/
+
+/** @brief optiga comms structure */
+typedef struct optiga_comms
+{
+    /// Comms structure pointer
+    void* comms_ctx;  
+    /// Upper layer contect
+    void* upper_layer_ctx;
+    /// Upper layer handler
+    app_event_handler_t upper_layer_handler; 
+    /// Optiga comms state
+    uint8_t state;
+}optiga_comms_t;
+
+extern optiga_comms_t optiga_comms;
+
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief   Opens the communication channel with OPTIGA.
+ */
+LIBRARY_EXPORTS host_lib_status_t optiga_comms_open(optiga_comms_t *p_ctx);
+
+/**
+ * \brief   Resets the OPTIGA.
+ */
+LIBRARY_EXPORTS host_lib_status_t optiga_comms_reset(optiga_comms_t *p_ctx,uint8_t reset_type);
+
+/**
+ * \brief   Sends and receives the APDU.
+ */
+LIBRARY_EXPORTS host_lib_status_t optiga_comms_transceive(optiga_comms_t *p_ctx,const uint8_t* p_data, 
+                                                          const uint16_t* p_data_length,
+                                                          uint8_t* p_buffer, uint16_t* p_buffer_len);
+
+/**
+ * \brief   Closes the communication channel with OPTIGA.
+ */
+LIBRARY_EXPORTS host_lib_status_t optiga_comms_close(optiga_comms_t *p_ctx);
+
+/**
+* @}
+*/
+
+#endif /*_OPTIGA_COMMS_H_*/
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal.h
new file mode 100644
index 0000000..f66b41a
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal.h
@@ -0,0 +1,60 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file
+*
+* \brief This file implements the prototype declarations of platform abstraction layer
+*
+* \addtogroup  grPAL
+* @{
+*/
+
+
+#ifndef _PAL_H_
+#define _PAL_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+#include <Datatypes.h>
+
+/**********************************************************************************************************************
+ * pal.h
+ *********************************************************************************************************************/
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+/// PAL API execution is successful
+#define PAL_STATUS_SUCCESS      (0x0000)
+/// PAL API execution failed
+#define PAL_STATUS_FAILURE      (0x0001)
+/// PAL I2C is busy
+#define PAL_STATUS_I2C_BUSY     (0x0002)
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+/**
+ * \brief PAL return status.
+ */
+typedef uint16_t pal_status_t;
+
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+
+#endif /* _PAL_H_ */
+
+/**
+* @}
+*/
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_gpio.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_gpio.h
new file mode 100644
index 0000000..171811b
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_gpio.h
@@ -0,0 +1,84 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file
+*
+* \brief This file implements the prototype declarations of pal gpio
+*
+* \addtogroup  grPAL
+* @{
+*/
+
+#ifndef _PAL_GPIO_H_
+#define _PAL_GPIO_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+ 
+#include "pal.h"
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * DATA STRUCTURES
+ *********************************************************************************************************************/
+
+/**
+ * \brief Structure defines the PAL GPIO configuration.
+ */
+typedef struct pal_gpio
+{
+    /// Pointer to gpio platform specific context/structure
+    void* p_gpio_hw;
+
+} pal_gpio_t;
+
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Initializes the GPIO PAL.
+ */
+void pal_gpio_init(void);
+
+/**
+ * \brief Sets the gpio pin to high state.
+ */
+void pal_gpio_set_high(const pal_gpio_t* p_gpio_context);
+
+/**
+ * \brief Sets the gpio pin to Low state.
+ */
+void pal_gpio_set_low(const pal_gpio_t* p_gpio_context);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PAL_GPIO_H_ */
+
+/**
+* @}
+*/
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_i2c.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_i2c.h
new file mode 100644
index 0000000..fd470d3
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_i2c.h
@@ -0,0 +1,92 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file
+*
+* \brief This file implements the prototype declarations of pal i2c
+*
+* \addtogroup  grPAL
+* @{
+*/
+
+#ifndef _PAL_I2C_H_
+#define _PAL_I2C_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+
+#include "pal.h"
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+/// Event returned when I2C master completes execution
+#define PAL_I2C_EVENT_SUCCESS (0x0000)
+/// Event returned when I2C master operation fails
+#define PAL_I2C_EVENT_ERROR   (0x0001)
+/// Event returned when lower level I2C bus is busy
+#define PAL_I2C_EVENT_BUSY    (0x0002)
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+
+/**********************************************************************************************************************
+ * DATA STRUCTURES
+ *********************************************************************************************************************/
+/** @brief PAL I2C context structure */
+typedef struct pal_i2c
+{
+    /// Pointer to I2C master platform specific context
+    void* p_i2c_hw_config;
+    /// I2C slave address
+    uint8_t slave_address;
+    /// Pointer to store the callers context information
+    void* upper_layer_ctx;
+    /// Pointer to store the callers handler
+    void* upper_layer_event_handler;
+    
+} pal_i2c_t;
+
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+/**
+ * @brief Initializes the I2C master.
+ */
+pal_status_t pal_i2c_init(const pal_i2c_t* p_i2c_context);
+
+/**
+ * @brief Sets the I2C Master bitrate
+ */
+pal_status_t pal_i2c_set_bitrate(const pal_i2c_t* p_i2c_context, uint16_t bitrate);
+
+/**
+ * @brief Writes to I2C bus.
+ */
+pal_status_t pal_i2c_write(pal_i2c_t* p_i2c_context, uint8_t* p_data , uint16_t length);
+
+/**
+ * @brief Reads from I2C bus.
+ */
+pal_status_t pal_i2c_read(pal_i2c_t* p_i2c_context, uint8_t* p_data , uint16_t length);
+
+/**
+ * @brief De-initializes the I2C master.
+ */
+pal_status_t pal_i2c_deinit(const pal_i2c_t* p_i2c_context);
+
+#endif /* _PAL_I2C_H_ */
+
+/**
+* @}
+*/
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_ifx_i2c_config.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_ifx_i2c_config.h
new file mode 100644
index 0000000..0df491a
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_ifx_i2c_config.h
@@ -0,0 +1,49 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author   Infineon AG
+*
+* \file
+*
+* \brief   This file implements the platform abstraction layer extern declarations for ifx i2c.
+*
+* \addtogroup  grPAL
+* @{
+*/
+
+#ifndef _PAL_IFX_I2C_CONFIG_H_
+#define _PAL_IFX_I2C_CONFIG_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+#include "pal.h"
+#include "pal_i2c.h"
+#include "pal_gpio.h"
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+ 
+/**********************************************************************************************************************
+ * PAL extern definitions for IFX I2C
+ *********************************************************************************************************************/
+extern pal_i2c_t optiga_pal_i2c_context_0;
+extern pal_gpio_t optiga_vdd_0;
+extern pal_gpio_t optiga_reset_0;
+
+#endif /* _PAL_IFX_I2C_CONFIG_H_ */
+
+/**
+* @}
+*/
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_os_event.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_os_event.h
new file mode 100644
index 0000000..e4a1315
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_os_event.h
@@ -0,0 +1,61 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author   Infineon AG
+*
+* \file
+*
+* \brief   This file implements the prototype declarations of pal os event
+*
+* \addtogroup  grPAL
+* @{
+*/
+
+
+#ifndef _PAL_OS_EVENT_H_
+#define _PAL_OS_EVENT_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+ 
+#include "Datatypes.h"
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+ 
+/**********************************************************************************************************************
+ * PAL extern definitions
+ *********************************************************************************************************************/
+ 
+/**
+ * @brief typedef for Callback function when timer elapses.
+ */
+typedef void (*register_callback)(void*);
+
+/**
+ * \brief Initializes the OS event PAL.
+ */
+void pal_os_event_init(void);
+
+/**
+ * @brief Callback registration function to trigger once when timer expires.
+ */
+void pal_os_event_register_callback_oneshot(register_callback callback, void* callback_args, uint32_t time_us);
+
+#endif //_PAL_OS_EVENT_H_
+
+/**
+* @}
+*/
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_os_timer.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_os_timer.h
new file mode 100644
index 0000000..796e39e
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_os_timer.h
@@ -0,0 +1,76 @@
+/**
+* \copyright
+* Copyright (c) 2018, Infineon Technologies AG
+* All rights reserved.
+*
+* This software is provided with terms and conditions as specified in OPTIGA(TM) Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author Infineon AG
+*
+* \file
+*
+* \brief This file implements the prototype declarations of pal os timer functionalities.
+*
+* \addtogroup  grPAL
+* @{
+*/
+#ifndef _PAL_OS_TIMER_H_
+#define _PAL_OS_TIMER_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+ 
+#include "pal.h"
+
+/*********************************************************************************************************************
+ * pal_os_timer.h
+*********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * DATA STRUCTURES
+ *********************************************************************************************************************/
+
+ 
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+    
+/**
+ * @brief Gets tick count value in milliseconds
+ */
+uint32_t pal_os_timer_get_time_in_milliseconds(void);
+
+/**
+ * @brief Waits or delay until the supplied milliseconds
+ */
+void pal_os_timer_delay_in_milliseconds(uint16_t milliseconds);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PAL_OS_TIMER_H_ */
+
+/**
+* @}
+*/
+
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_socket.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_socket.h
new file mode 100644
index 0000000..5456bca
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/infineon/include/pal_socket.h
@@ -0,0 +1,182 @@
+/**
+* \copyright
+* Copyright© 2018, Infineon Technologies AG
+* All rights reserved.                                                         
+*
+* This software is provided with terms and conditions as specified in OPTIGA™ Trust X Evaluation Kit License Agreement.
+* \endcopyright
+*
+* \author   Infineon AG
+*
+* \file
+*
+* \brief    This file implements the prototype declarations of pal socket functionalities
+* \ingroup  grPAL
+* @{
+*/
+
+
+#ifndef _PAL_SOCKET_H_
+#define _PAL_SOCKET_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+
+#ifndef WIN32
+    #include "Datatypes.h"
+	#include "DAVE.h"
+	#include "udp.h"
+    #include "inet.h"
+#else
+	#include <winsock2.h>
+	#include "Datatypes.h"
+#endif
+
+#include "ErrorCodes.h"
+#include "UDPErrorCodes.h"
+
+/// @cond hidden
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+#ifndef WIN32 
+    #define IPAddressParse(pzIpAddress, psIPAddress)      (inet_aton(pzIpAddress, psIPAddress))
+#else
+    #define IPAddressParse(pzIpAddress, psIPAddress)      (1)
+#endif
+/// @endcond
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+
+
+/**********************************************************************************************************************
+ * DATA STRUCTURES
+ *********************************************************************************************************************/
+
+#ifndef WIN32  
+/**
+ * \brief Pointer type definition of pal socket receive event callback
+ */
+typedef void (*pal_socket_event_listener)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
+		                                  ip_addr_t *addr, u16_t port);
+#endif
+
+
+
+/**
+ * \brief This structure contains socket communication data
+ */
+typedef enum eRecvMode_d 
+{
+    eBlock = 0x10,
+    
+    eNonBlock = 0x20
+}eRecvMode_d;
+
+/**
+ * \brief This structure contains socket communication data
+ */
+#ifndef WIN32
+
+typedef struct pal_socket 
+{
+ 
+    ///UDP structure Tx
+    struct udp_pcb *pcbTx;
+    
+    ///UDP structure Rx
+    struct udp_pcb *pcbRx;
+    
+    //Received IP address
+    ip_addr_t sIPAddress;
+        
+    ///Function pointer to hold receive callback
+    pal_socket_event_listener pfListen;
+
+    ///Port for UDP communication
+    uint16_t wPort;
+        
+    ///Transport Layer Timeout
+    uint16_t wTimeout;
+    
+    ///Enumeration to indicate Blocking or Non blocking
+    uint8_t bMode;
+    
+} pal_socket_t;
+
+#else
+
+typedef struct pal_socket 
+{
+    ///Received IP address
+    char* sIPAddress;
+    
+    ///Port for UDP communication
+    uint16_t wPort;
+    
+    ///Pointer to the socket for Receiving
+    SOCKET SocketHdl;
+    
+    ///IPv4 Socket address for Receiving
+    SOCKADDR_IN sSocketAddrIn;  
+    
+    ///Transport Layer Timeout
+    uint16_t wTimeout;
+   
+    ///Enumeration to indicate Blocking or Non blocking
+    uint8_t bMode;
+    
+} pal_socket_t;
+#endif
+
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+
+/**
+ * \brief Assign IP address
+ */
+#ifndef WIN32
+int32_t pal_socket_assign_ip_address(const char* p_ip_address,void *p_input_ip_address);
+#else
+int32_t pal_socket_assign_ip_address(const char_t* p_ip_address,char** p_input_ip_address);
+#endif
+
+/**
+ * \brief Initializes the socket communication structure
+ */
+int32_t pal_socket_init(pal_socket_t* p_socket);
+
+/**
+ * \brief Creates server port and bind
+ */
+int32_t pal_socket_open(pal_socket_t* p_socket,
+                        uint16_t port);
+/**
+ * \brief Creates a client port and connect
+ */
+int32_t pal_socket_connect(pal_socket_t* p_socket,
+                           uint16_t port);
+/**
+ * \brief Receive data from the client
+ */
+int32_t pal_socket_listen(pal_socket_t* p_socket, uint8_t *p_data,
+                          uint32_t *p_length);
+/**
+ * \brief Sends the data to the the client
+ */
+int32_t pal_socket_send(const pal_socket_t* p_socket, uint8_t *p_data,
+                        uint32_t length);
+/**
+ * \brief Closes the socket communication and release the udp port
+ */
+void pal_socket_close(pal_socket_t* p_socket);
+
+#endif //_PAL_SOCKET_H_
+
+/**
+* @}
+*/
+