/* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
 *
 * The information contained herein is property of Nordic Semiconductor ASA.
 * Terms and conditions of usage are described in detail in NORDIC
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 *
 */
#ifndef BLE_GAP_CONN_H__
#define BLE_GAP_CONN_H__

/**
 * @addtogroup ser_codecs Serialization codecs
 * @ingroup ble_sdk_lib_serialization
 */

/**
 * @addtogroup ser_conn_s120_codecs Connectivity s120 codecs
 * @ingroup ser_codecs
 */

/**@file
 *
 * @defgroup ble_gap_conn GAP Connectivity command request decoders and command response encoders
 * @{
 * @ingroup  ser_conn_s120_codecs
 *
 * @brief    GAP Connectivity command request decoders and command response encoders
 */
#include "ble_gap.h"

/**@brief Decodes @ref sd_ble_gap_address_get command request.
 *
 * @sa @ref nrf51_address_get_encoding for packet format,
 *     @ref ble_gap_address_get_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_address     Pointer to pointer to address.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_address_get_req_dec(uint8_t const * const    p_buf,
                                     uint16_t                 packet_len,
                                     ble_gap_addr_t * * const pp_address);

/**@brief Encodes @ref sd_ble_gap_address_get command response.
 *
 * @sa @ref nrf51_address_get_encoding for packet format.
 *     @ref ble_gap_address_get_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 * @param[in] p_address           Pointer to @ref ble_gap_addr_t address
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_address_get_rsp_enc(uint32_t                     return_code,
                                     uint8_t * const              p_buf,
                                     uint32_t * const             p_buf_len,
                                     ble_gap_addr_t const * const p_address);

/**@brief Decodes @ref sd_ble_gap_authenticate command request.
 *
 * @sa @ref nrf51_ble_gap_authenticate_encoding for packet format,
 *     @ref ble_gap_authenticate_rsp_enc for response encoding.
 *
 * @param[in] p_buf            Pointer to beginning of command request packet.
 * @param[in] packet_len       Length (in bytes) of response packet.
 * @param[out] p_conn_handle   Pointer to connection handle
 * @param[out] pp_sec_params   Pointer to pointer to security parameters.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_authenticate_req_dec(uint8_t const * const          p_buf,
                                      uint32_t                       packet_len,
                                      uint16_t * const               p_conn_handle,
                                      ble_gap_sec_params_t * * const pp_sec_params);

/**@brief Encodes @ref sd_ble_gap_authenticate command response.
 *
 * @sa @ref nrf51_ble_gap_authenticate_encoding for packet format.
 *     @ref ble_gap_authenticate_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_authenticate_rsp_enc(uint32_t         return_code,
                                      uint8_t * const  p_buf,
                                      uint32_t * const p_buf_len);

/** @brief Decodes @ref sd_ble_gap_address_set command request.
 *
 * @sa @ref nrf51_gap_address_set_encoding for packet format,
 *     @ref ble_gap_address_set_rsp_enc for response encoding.
 *
 * @param[in]  p_buf             Pointer to beginning of command request packet.
 * @param[in]  packet_len        Length (in bytes) of request packet.
 * @param[in]  p_addr_cycle_mode Pointer to address cycle mode.                                  
 * @param[out] pp_addr           Pointer to pointer to the address structure.

 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_address_set_req_dec(uint8_t const * const    p_buf,
                                     uint32_t                 packet_len,
                                     uint8_t *                p_addr_cycle_mode,
                                     ble_gap_addr_t * * const pp_addr);

/**@brief Encodes @ref sd_ble_gap_address_set command response.
 *
 * @sa @ref nrf51_gap_address_set_encoding for packet format.
 *     @ref ble_gap_address_set_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_address_set_rsp_enc(uint32_t         return_code,
                                     uint8_t * const  p_buf,
                                     uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_adv_data_set command request.
 *
 * @sa @ref nrf51_adv_set_encoding for packet format,
 *     @ref ble_gap_adv_data_set_rsp_enc for response encoding.
 *
 * @param[in]  p_buf           Pointer to beginning of command request packet.
 * @param[in]  packet_len      Length (in bytes) of request packet.
 * @param[out] pp_data         Pointer to the buffer raw data to be placed in advertisement packet.
 * @param[out] p_dlen          Pointer to data length for p_data.
 * @param[out] pp_sr_data      Pointer to the buffer raw data to be placed in scan response packet.
 * @param[out] p_srdlen        Pointer to data length for p_sr_data.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_adv_data_set_req_dec(uint8_t const * const p_buf,
                                      uint32_t              packet_len,
                                      uint8_t * * const     pp_data,
                                      uint8_t *             p_dlen,
                                      uint8_t * * const     pp_sr_data,
                                      uint8_t *             p_srdlen);

/**@brief Encodes @ref sd_ble_gap_adv_data_set command response.
 *
 * @sa @ref nrf51_adv_set_encoding for packet format.
 *     @ref ble_gap_adv_data_set_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_adv_data_set_rsp_enc(uint32_t         return_code,
                                      uint8_t * const  p_buf,
                                      uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_adv_start command request.
 *
 * @sa @ref nrf51_adv_start_encoding for packet format,
 *     @ref ble_gap_adv_start_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_adv_params  Pointer to pointer to advertising parameters.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_adv_start_req_dec(uint8_t const * const          p_buf,
                                   uint32_t                       packet_len,
                                   ble_gap_adv_params_t * * const pp_adv_params);

/**@brief Encodes @ref sd_ble_gap_adv_start command response.
 *
 * @sa @ref nrf51_adv_start_encoding for packet format.
 *     @ref ble_gap_adv_start_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_adv_start_rsp_enc(uint32_t         return_code,
                                   uint8_t * const  p_buf,
                                   uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_device_name_get command request.
 *
 * @sa @ref nrf51_device_name_get_encoding for packet format,
 *     @ref ble_gap_device_name_get_rsp_enc for response encoding.
 *
 * @param[in] p_buf            Pointer to beginning of command request packet.
 * @param[in] packet_len       Length (in bytes) of response packet.
 * @param[out] pp_dev_name     Pointer to pointer to device name buffer.
 * @param[out] pp_dev_name_len Pointer to pointer to device name length location.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_device_name_get_req_dec(uint8_t const * const p_buf,
                                         uint32_t              packet_len,
                                         uint8_t * *           pp_dev_name,
                                         uint16_t * *          pp_dev_name_len);

/**@brief Encodes @ref sd_ble_gap_device_name_get command response.
 *
 * @sa @ref nrf51_device_name_get_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_dev_name     Pointer to device name buffer.
 * @param[in]      dev_name_len   Length of device name buffer.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buflen      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_device_name_get_rsp_enc(uint32_t              return_code,
                                         uint8_t const * const p_dev_name,
                                         uint16_t              dev_name_len,
                                         uint8_t * const       p_buf,
                                         uint32_t * const      p_buflen);

/**@brief Decodes @ref sd_ble_gap_conn_param_update command request.
 *
 * @sa @ref nrf51_gap_conn_param_update_encoding for packet format,
 *     @ref ble_gap_conn_param_update_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] p_conn_handle  Pointer to connection handle.
 * @param[out] pp_conn_params Pointer to pointer to connection parameters.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 * @retval NRF_ERROR_INVALID_DATA     Decoding failure. Invalid value for connection
 *                                    parameters field present.
 */
uint32_t ble_gap_conn_param_update_req_dec(uint8_t const * const           p_buf,
                                           uint32_t                        packet_len,
                                           uint16_t *                      p_conn_handle,
                                           ble_gap_conn_params_t * * const pp_conn_params);

/**@brief Encodes @ref sd_ble_gap_conn_param_update command response.
 *
 * @sa @ref nrf51_gap_conn_param_update_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_conn_param_update_rsp_enc(uint32_t         return_code,
                                           uint8_t * const  p_buf,
                                           uint32_t * const p_buf_len);


/**@brief Decodes @ref sd_ble_gap_disconnect command request.
 *
 * @sa @ref nrf51_disconnect_encoding for packet format,
 *     @ref ble_gap_disconnect_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[in] p_conn_handle   Pointer to Connection Handle.
 * @param[in] p_hci_status    Pointer to HCI Status Code.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_disconnect_req_dec(uint8_t const * const p_buf,
                                    uint32_t              packet_len,
                                    uint16_t * const      p_conn_handle,
                                    uint8_t * const       p_hci_status);

/**@brief Encodes @ref sd_ble_gap_disconnect command response.
 *
 * @sa @ref nrf51_disconnect_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_disconnect_rsp_enc(uint32_t         return_code,
                                    uint8_t * const  p_buf,
                                    uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_tx_power_set command request.
 *
 * @sa @ref nrf51_tx_power_set_encoding for packet format,
 *     @ref ble_gap_tx_power_set_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[in] tx_power        Pointer to TX power value.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_tx_power_set_req_dec(uint8_t const * const p_buf,
                                      uint32_t              packet_len,
                                      int8_t *              tx_power);

/**@brief Encodes @ref sd_ble_gap_tx_power_set command response.
 *
 * @sa @ref nrf51_tx_power_set_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_tx_power_set_rsp_enc(uint32_t         return_code,
                                      uint8_t * const  p_buf,
                                      uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_ppcp_set command request.
 *
 * @sa @ref nrf51_ppcp_set_encoding for packet format,
 *     @ref ble_gap_ppcp_set_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_conn_params Pointer to pointer to connection parameters to be set.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 * @retval NRF_ERROR_INVALID_DATA     Decoding failure. Invalid value for connection
 *                                    parameters field present.
 */
uint32_t ble_gap_ppcp_set_req_dec(uint8_t const * const           p_buf,
                                  uint32_t                        packet_len,
                                  ble_gap_conn_params_t * * const pp_conn_params);

/**@brief Encodes @ref sd_ble_gap_ppcp_set command response.
 *
 * @sa @ref nrf51_ppcp_set_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_ppcp_set_rsp_enc(uint32_t         return_code,
                                  uint8_t * const  p_buf,
                                  uint32_t * const p_buf_len);


/**@brief Decodes @ref sd_ble_gap_ppcp_get command request.
 *
 * @sa @ref nrf51_gap_ppcp_get_encoding for packet format,
 *     @ref ble_gap_ppcp_get_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_conn_params Pointer to pointer to ble_gap_conn_params_t.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_ppcp_get_req_dec(uint8_t const * const           p_buf,
                                  uint16_t                        packet_len,
                                  ble_gap_conn_params_t * * const pp_conn_params);

/**@brief Encodes @ref sd_ble_gap_ppcp_get command response.
 *
 * @sa @ref nrf51_gap_ppcp_get_encoding for packet format.
 *     @ref ble_gap_ppcp_get_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 * @param[in] p_conn_params       Pointer to ble_gap_conn_params_t.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_ppcp_get_rsp_enc(uint32_t                            return_code,
                                  uint8_t * const                     p_buf,
                                  uint32_t * const                    p_buf_len,
                                  ble_gap_conn_params_t const * const p_conn_params);

/**@brief Encodes @ref sd_ble_gap_adv_stop command response.
 *
 * @sa @ref nrf51_sd_ble_gap_adv_stop for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_adv_stop_rsp_enc(uint32_t         return_code,
                                  uint8_t * const  p_buf,
                                  uint32_t * const p_buf_len);
                                  
/**@brief Decodes @ref sd_ble_gap_auth_key_reply command request.
 *
 * @sa @ref nrf51_auth_key_reply_encoding for packet format,
 *     @ref ble_gap_auth_key_reply_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] p_conn_handle  Pointer to connection handle.
 * @param[out] p_key_type     Pointer to key type.
 * @param[out] pp_key         Pointer to pointer to buffer for incoming key.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_auth_key_reply_req_dec(uint8_t const * const p_buf,
                                        uint16_t              packet_len,
                                        uint16_t *            p_conn_handle,
                                        uint8_t *             p_key_type,
                                        uint8_t * * const     pp_key);

/**@brief Encodes @ref sd_ble_gap_auth_key_reply command response.
 *
 * @sa @ref nrf51_auth_key_reply_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_auth_key_reply_rsp_enc(uint32_t         return_code,
                                        uint8_t * const  p_buf,
                                        uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_sec_params_reply command request.
 *
 * @sa @ref nrf51_sec_params_reply_encoding for packet format,
 *     @ref ble_gap_sec_params_reply_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] p_conn_handle  Pointer to connection handle.
 * @param[out] p_sec_status   Pointer to security status.
 * @param[out] pp_sec_params  Pointer to pointer to security parameters structure.
 * @param[out] pp_sec_keyset  Pointer to pointer to security keyset structure.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 * @retval NRF_ERROR_INVALID_DATA     Decoding failure. Invalid value for connection
 *                                    parameters field present.
 */
uint32_t ble_gap_sec_params_reply_req_dec(uint8_t const * const          p_buf,
                                          uint32_t                       packet_len,
                                          uint16_t *                     p_conn_handle,
                                          uint8_t *                      p_sec_status,
                                          ble_gap_sec_params_t * * const pp_sec_params,
                                          ble_gap_sec_keyset_t * * const pp_sec_keyset);

/**@brief Encodes @ref sd_ble_gap_sec_params_reply command response.
 *
 * @sa @ref nrf51_sec_params_reply_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in]      p_sec_keyset   Pointer to security keyset structure.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_sec_params_reply_rsp_enc(uint32_t                     return_code,
                                          uint8_t * const              p_buf,
                                          uint32_t * const             p_buf_len,
                                          ble_gap_sec_keyset_t * const p_sec_keyset);

/**@brief Decodes @ref sd_ble_gap_rssi_start command request.
 *
 * @sa @ref nrf51_rssi_start_encoding for packet format,
 *     @ref ble_gap_rssi_start_rsp_enc for response encoding.
 *
 * @param[in] p_buf            Pointer to beginning of command request packet.
 * @param[in] buf_len          Length (in bytes) of response packet.
 * @param[out] p_conn_handle   Pointer to connection handle.
 * @param[out] p_threshold_dbm Pointer to threshold in dBm.
 * @param[out] p_skip_count    Pointer to sample skip count.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_rssi_start_req_dec(uint8_t const * const p_buf,
                                    uint32_t              buf_len,
                                    uint16_t *            p_conn_handle,
                                    uint8_t *             p_threshold_dbm,
                                    uint8_t *             p_skip_count);

/**@brief Encodes @ref sd_ble_gap_rssi_start command response.
 *
 * @sa @ref nrf51_rssi_start_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */

uint32_t ble_gap_rssi_start_rsp_enc(uint32_t         return_code,
                                    uint8_t * const  p_buf,
                                    uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_rssi_stop command request.
 *
 * @sa @ref nrf51_rssi_stop_encoding for packet format,
 *     @ref ble_gap_rssi_stop_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] buf_len      Length (in bytes) of response packet.
 * @param[out] conn_handle  Pointer to connection handle.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */

uint32_t ble_gap_rssi_stop_req_dec(uint8_t const * const p_buf,
                                   uint32_t              buf_len,
                                   uint16_t *            conn_handle);

/**@brief Encodes @ref sd_ble_gap_rssi_stop command response.
 *
 * @sa @ref nrf51_rssi_stop_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */

uint32_t ble_gap_rssi_stop_rsp_enc(uint32_t         return_code,
                                   uint8_t * const  p_buf,
                                   uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_appearance_get command request.
 *
 * @sa @ref nrf51_appearance_get_encoding for packet format,
 *     @ref ble_gap_appearance_get_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_appearance  Pointer to pointer to uint16_t appearance.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_appearance_get_req_dec(uint8_t const * const p_buf,
                                        uint16_t              packet_len,
                                        uint16_t * * const    pp_appearance);

/**@brief Encodes @ref sd_ble_gap_appearance_get command response.
 *
 * @sa @ref nrf51_appearance_get_encoding for packet format.
 *     @ref ble_gap_appearance_get_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 * @param[in] p_appearance           Pointer to uint16_t appearance.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_appearance_get_rsp_enc(uint32_t               return_code,
                                        uint8_t * const        p_buf,
                                        uint32_t * const       p_buf_len,
                                        uint16_t const * const p_appearance);


/**@brief Decodes @ref sd_ble_gap_appearance_set command request.
 *
 * @sa @ref nrf51_appearance_set_encoding for packet format,
 *     @ref ble_gap_tx_power_set_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] buf_len         Length (in bytes) of the packet.
 * @param[out] p_appearance   Pointer to the appearance.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_appearance_set_req_dec(uint8_t const * const p_buf,
                                        uint32_t              buf_len,
                                        uint16_t * const      p_appearance);

/**@brief Encodes @ref sd_ble_gap_appearance_set command response.
 *
 * @sa @ref nrf51_appearance_set_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_appearance_set_rsp_enc(uint32_t         return_code,
                                        uint8_t * const  p_buf,
                                        uint32_t * const p_buf_len);


/**@brief Decodes @ref sd_ble_gap_sec_info_reply command request.
 *
 * @sa @ref nrf51_gap_sec_info_reply_encoding for packet format,
 *     @ref ble_gap_sec_info_reply_rsp_enc for response encoding.
 *
 * @param[in] p_buf              Pointer to beginning of command request packet.
 * @param[in] packet_len         Length (in bytes) of the packet.
 * @param[out] p_conn_handle     Pointer to the Connection Handle.
 * @param[out] pp_enc_info       Pointer to pointer to Encryption Information.
 * @param[out] pp_id_info        Pointer to pointer to Id Information.
 * @param[out] pp_sign_info      Pointer to pointer to Signing Information
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_sec_info_reply_req_dec(uint8_t const * const         p_buf,
                                        uint16_t                      packet_len,
                                        uint16_t *                    p_conn_handle,
                                        ble_gap_enc_info_t * * const  pp_enc_info,
                                        ble_gap_irk_t * * const       pp_id_info,
                                        ble_gap_sign_info_t * * const pp_sign_info);

/**@brief Encodes @ref sd_ble_gap_sec_info_reply command response.
 *
 * @sa @ref nrf51_gap_sec_info_reply_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_sec_info_reply_rsp_enc(uint32_t         return_code,
                                        uint8_t * const  p_buf,
                                        uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_device_name_set command request.
 *
 * @sa @ref nrf51_device_name_set_encoding for packet format,
 *     @ref ble_gap_device_name_set_rsp_enc for response encoding.
 *
 * @param[in] p_buf              Pointer to beginning of command request packet.
 * @param[in] packet_len         Length (in bytes) of the packet.
 * @param[out] pp_write_perm    Pointer to pointer to write permissions filed.
 * @param[out] pp_dev_name       Pointer to pointer to device name string
 * @param[out] p_dev_name_len    Pointer to device name string length
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_device_name_set_req_dec(uint8_t const * const             p_buf,
                                         uint32_t                          packet_len,
                                         ble_gap_conn_sec_mode_t * * const pp_write_perm,
                                         uint8_t * * const                 pp_dev_name,
                                         uint16_t * const                  p_dev_name_len);


/**@brief Encodes @ref sd_ble_gap_device_name_set command response.
 *
 * @sa @ref nrf51_device_name_set_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_device_name_set_rsp_enc(uint32_t         return_code,
                                         uint8_t * const  p_buf,
                                         uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_conn_sec_get command request.
 *
 * @sa @ref nrf51_gap_conn_sec_get_encoding for packet format,
 *     @ref ble_gap_conn_sec_get_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] p_conn_handle  Pointer to Connection Handle.
 * @param[out] pp_conn_sec    Pointer to pointer to @ref ble_gap_conn_sec_t to be filled by
 *                            the softdevice.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_conn_sec_get_req_dec(uint8_t const * const        p_buf,
                                      uint32_t                     packet_len,
                                      uint16_t *                   p_conn_handle,
                                      ble_gap_conn_sec_t * * const pp_conn_sec);

/**@brief Encodes @ref sd_ble_gap_conn_sec_get command response.
 *
 * @sa @ref nrf51_gap_conn_sec_get_encoding for packet format.
 *     @ref ble_gap_conn_sec_get_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[in] p_conn_sec          Pointer to @ref ble_gap_conn_sec_t to be encoded.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_conn_sec_get_rsp_enc(uint32_t                   return_code,
                                      ble_gap_conn_sec_t * const p_conn_sec,
                                      uint8_t * const            p_buf,
                                      uint32_t * const           p_buf_len);

/**@brief Encodes @ref sd_ble_gap_scan_stop command response.
 *
 * @sa @ref nrf51_scan_stop_encoding for packet format.
 *
 * @param[in]      return_code    Return code indicating if command was successful or not.
 * @param[in]      p_buf          Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_scan_stop_rsp_enc(uint32_t         return_code,
                                  uint8_t * const  p_buf,
                                  uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_connect command request.
 *
 * @sa @ref nrf51_connect_encoding for packet format,
 *     @ref ble_gap_connect_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_addr        Pointer to pointer to peer address @ref ble_gap_addr_t.
 * @param[out] pp_scan_params Pointer to pointer to @ref ble_gap_scan_params_t.
 * @param[out] pp_conn_params Pointer to pointer to @ref ble_gap_conn_params_t.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_connect_req_dec(uint8_t const * const           p_buf,
                                 uint32_t                        packet_len,
                                 ble_gap_addr_t * * const        pp_addr,
                                 ble_gap_scan_params_t * * const pp_scan_params,
                                 ble_gap_conn_params_t * * const pp_conn_params);

/**@brief Encodes @ref sd_ble_gap_connect command response.
 *
 * @sa @ref nrf51_connect_encoding for packet format.
 *     @ref ble_gap_connect_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_connect_rsp_enc(uint32_t         return_code,
                                 uint8_t * const  p_buf,
                                 uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_scan_start command request.
 *
 * @sa @ref nrf51_scan_start_encoding for packet format,
 *     @ref ble_gap_scan_start_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] pp_scan_params Pointer to pointer to @ref ble_gap_scan_params_t.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_scan_start_req_dec(uint8_t const * const           p_buf,
                                    uint32_t                        packet_len,
                                    ble_gap_scan_params_t * * const pp_scan_params);

/**@brief Encodes @ref sd_ble_gap_scan_start command response.
 *
 * @sa @ref nrf51_scan_start_encoding for packet format.
 *     @ref ble_gap_scan_start_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_scan_start_rsp_enc(uint32_t         return_code,
                                    uint8_t * const  p_buf,
                                    uint32_t * const p_buf_len);

/**@brief Encodes @ref sd_ble_gap_connect_cancel command response.
 *
 * @sa @ref nrf51_connect_cancel_encoding for packet format.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_connect_cancel_rsp_enc(uint32_t         return_code,
                                        uint8_t * const  p_buf,
                                        uint32_t * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_encrypt command request.
 *
 * @sa @ref nrf51_gap_encrypt_encoding for packet format,
 *     @ref ble_gap_encrypt_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[out] p_conn_handle  Pointer connection_handle.
 * @param[out] pp_master_id   Pointer to pointer to @ref ble_gap_master_id_t.
 * @param[out] pp_enc_info    Pointer to pointer to @ref ble_gap_enc_info_t.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */

uint32_t ble_gap_encrypt_req_dec(uint8_t        const * const p_buf,
                                 uint16_t                     packet_len,
                                 uint16_t             * const p_conn_handle,
                                 ble_gap_master_id_t ** const pp_master_id,
                                 ble_gap_enc_info_t  ** const pp_enc_info);

/**@brief Encodes @ref sd_ble_gap_encrypt command response.
 *
 * @sa @ref nrf51_gap_encrypt_encoding for packet format.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in, out] p_buf_len      \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_encrypt_rsp_enc(uint32_t          return_code,
                                 uint8_t   * const p_buf,
                                 uint32_t  * const p_buf_len);

/**@brief Decodes @ref sd_ble_gap_rssi_get command request.
 *
 * @sa @ref nrf51_rssi_get_encoding for packet format,
 *     @ref ble_gap_rssi_get_rsp_enc for response encoding.
 *
 * @param[in] p_buf           Pointer to beginning of command request packet.
 * @param[in] packet_len      Length (in bytes) of response packet.
 * @param[in] p_conn_handle   Connection handle.
 * @param[out] pp_rssi        Pointer to pointer to rssi value.
 *
 * @retval NRF_SUCCESS                Decoding success.
 * @retval NRF_ERROR_NULL             Decoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Decoding failure. Incorrect buffer length.
 * @retval NRF_ERROR_INVALID_PARAM    Decoding failure. Invalid operation type.
 */
uint32_t ble_gap_rssi_get_req_dec(uint8_t const * const p_buf,
                                  uint16_t              packet_len,
                                  uint16_t *            p_conn_handle,
                                  int8_t * * const      pp_rssi);

/**@brief Encodes @ref sd_ble_gap_rssi_get command response.
 *
 * @sa @ref nrf51_rssi_get_encoding for packet format.
 *     @ref ble_gap_rssi_get_req_dec for request decoding.
 *
 * @param[in] return_code         Return code indicating if command was successful or not.
 * @param[out] p_buf              Pointer to buffer where encoded data command response will be
 *                                returned.
 * @param[in,out] p_buf_len       \c in: size of \p p_buf buffer.
 *                                \c out: Length of encoded command response packet.
 * @param[in] rssi                RSSI value.
 *
 * @retval NRF_SUCCESS                Encoding success.
 * @retval NRF_ERROR_NULL             Encoding failure. NULL pointer supplied.
 * @retval NRF_ERROR_INVALID_LENGTH   Encoding failure. Incorrect buffer length.
 */
uint32_t ble_gap_rssi_get_rsp_enc(uint32_t         return_code,
                                  uint8_t * const  p_buf,
                                  uint32_t * const p_buf_len,
                                  int8_t           rssi);

/** @} */
#endif
