/**************************************************************************//**
 * @file
 * @brief Board Controller Communications Protocol (BCP) definitions
 * @version 4.3.0
 ******************************************************************************
 * @section License
 * <b>Copyright 2015 Silicon Labs, Inc. http://www.silabs.com</b>
 *******************************************************************************
 *
 * This file is licensed under the Silabs License Agreement. See the file
 * "Silabs_License_Agreement.txt" for details. Before using this software for
 * any purpose, you must agree to the terms of that agreement.
 *
 ******************************************************************************/



#ifndef __BSP_BCP_H
#define __BSP_BCP_H
#include <stdint.h>

#include "bspconfig.h"

#ifdef __cplusplus
extern "C" {
#endif

/***************************************************************************//**
 * @addtogroup BSP
 * @{
 ******************************************************************************/
/***************************************************************************//**
 * @addtogroup BSP_STK API for STK's and WSTK's
 * @{
 ******************************************************************************/

/* BCP Packet Types */
#define BSP_BCP_INVALID          0   /**< Invalid packet received */

#define BSP_BCP_FIRST            1   /**< Smallest numerical value of  message type */

#define BSP_BCP_ACK              5   /**< Generic ACK for one way packages */
#define BSP_BCP_ECHO_REQ         10  /**< EFM32 BC alive request */
#define BSP_BCP_ECHO_REPLY       11  /**< BC alive response */
#define BSP_BCP_CURRENT_REQ      14  /**< EFM32 Request AEM current */
#define BSP_BCP_CURRENT_REPLY    16  /**< BC Response AEM current */
#define BSP_BCP_VOLTAGE_REQ      18  /**< EFM32 Request AEM voltage */
#define BSP_BCP_VOLTAGE_REPLY    20  /**< BC Response AEM voltage */
#define BSP_BCP_ENERGYMODE       22  /**< EFM32 Report Energy Mode (for AEM) */
#define BSP_BCP_STDOUT           24  /**< Debug packet (not used)  */
#define BSP_BCP_STDERR           26  /**< Debug packet (not used)  */
#define BSP_BCP_TEST             32  /**< Reserved type for test */
#define BSP_BCP_TEST_REPLY       33  /**< Reserved type for test (reply) */
#define BSP_BCP_NET_REQUEST      64  /**< Net gateway request packet */
#define BSP_BCP_NET_REPLY        65  /**< Net gateway reply packet */

#define BSP_BCP_LAST             100 /**< Last defined message type */

#define BSP_BCP_MAGIC            0xF1 /**< Magic byte to indicate start of packet */




#if ( ( BSP_BCP_VERSION == 1 ) || DOXY_DOC_ONLY )

#ifdef DOXY_DOC_ONLY
                                    /* Hack for doxygen doc ! */
#define BSP_BCP_PACKET_SIZe      30 /**< Max packet size for version 1 of the protocol. */
#else
#define BSP_BCP_PACKET_SIZE      30 /**< Max packet size for version 1 of the protocol. */
#endif

/** @brief BCP Packet Structure - Board controller communication protocol version 1. */
typedef struct
{
  uint8_t magic;                      /**< Magic - start of packet - must be BSP_BCP_MAGIC */
  uint8_t type;                       /**< Type of packet */
  uint8_t payloadLength;              /**< Length of data segment >=0 and <=BSP_BCP_PACKET_SIZE */
  uint8_t data[BSP_BCP_PACKET_SIZE];  /**< BCP Packet Data payload */
#ifdef DOXY_DOC_ONLY
} BCP_Packet_;                        /* Hack for doxygen doc ! */
#else
} BCP_Packet;
#endif
#endif




#if ( ( BSP_BCP_VERSION == 2 ) || DOXY_DOC_ONLY )

#define BSP_BCP_PACKET_SIZE      132  /**< Max packet size for version 2 of the protocol. */

/** @brief BCP Packet Structure - Board controller communication protocol version 2. */
typedef struct
{
  uint8_t magic;                      /**< Magic - start of packet - must be BSP_BCP_MAGIC */
  uint8_t type;                       /**< Type - packet type */
  uint8_t payloadLength;              /**< Length of data segment >=0 and <=BSP_BCP_PACKET_SIZE */
  uint8_t reserved;                   /**< Reserved for future expansion */
  uint8_t data[BSP_BCP_PACKET_SIZE];  /**< BCP Packet Data payload */
} BCP_Packet;

/** @brief BCP Packet Header definition */
typedef struct
{
  uint8_t magic;                    /**< Magic - start of packet - must be BSP_BCP_MAGIC */
  uint8_t type;                     /**< Type - packet type */
  uint8_t payloadLength;            /**< Length of data segment >=0 and <=BSP_BCP_PACKET_SIZE */
  uint8_t reserved;                 /**< Reserved for future expansion */
} BCP_PacketHeader;
#endif




#if ( ( BSP_BCP_VERSION != 1 ) && ( BSP_BCP_VERSION != 2 ) )
#error "BSP BCP Board Controller communications protocol version error."
#endif

#if ( BSP_BCP_PACKET_SIZE >= 255 )
#error "BSP BCP Board Controller communications packets must be less than 255 bytes in size!"
#endif

/** @} (end group BSP_STK) */
/** @} (end group BSP) */

#ifdef __cplusplus
}
#endif

#endif  /* __BSP_BCP_H */
