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/**
  @addtogroup BLE_GAP Generic Access Profile (GAP)
  @{
  @brief Definitions and prototypes for the GAP interface.
 */

#ifndef BLE_GAP_H__
#define BLE_GAP_H__


#include "ble_types.h"
#include "ble_ranges.h"
#include "nrf_svc.h"

#ifdef __cplusplus
extern "C" {
#endif

/**@addtogroup BLE_GAP_ENUMERATIONS Enumerations
 * @{ */

/**@brief GAP API SVC numbers.
 */
enum BLE_GAP_SVCS
{
  SD_BLE_GAP_ADDR_SET = BLE_GAP_SVC_BASE,       /**< Set own Bluetooth Address. */
  SD_BLE_GAP_ADDR_GET,                          /**< Get own Bluetooth Address. */
  SD_BLE_GAP_WHITELIST_SET,                     /**< Set active whitelist. */
  SD_BLE_GAP_DEVICE_IDENTITIES_SET,             /**< Set device identity list. */
  SD_BLE_GAP_PRIVACY_SET,                       /**< Set Privacy settings*/
  SD_BLE_GAP_PRIVACY_GET,                       /**< Get Privacy settings*/
  SD_BLE_GAP_ADV_DATA_SET,                      /**< Set Advertising Data. */
  SD_BLE_GAP_ADV_START,                         /**< Start Advertising. */
  SD_BLE_GAP_ADV_STOP,                          /**< Stop Advertising. */
  SD_BLE_GAP_CONN_PARAM_UPDATE,                 /**< Connection Parameter Update. */
  SD_BLE_GAP_DISCONNECT,                        /**< Disconnect. */
  SD_BLE_GAP_TX_POWER_SET,                      /**< Set TX Power. */
  SD_BLE_GAP_APPEARANCE_SET,                    /**< Set Appearance. */
  SD_BLE_GAP_APPEARANCE_GET,                    /**< Get Appearance. */
  SD_BLE_GAP_PPCP_SET,                          /**< Set PPCP. */
  SD_BLE_GAP_PPCP_GET,                          /**< Get PPCP. */
  SD_BLE_GAP_DEVICE_NAME_SET,                   /**< Set Device Name. */
  SD_BLE_GAP_DEVICE_NAME_GET,                   /**< Get Device Name. */
  SD_BLE_GAP_AUTHENTICATE,                      /**< Initiate Pairing/Bonding. */
  SD_BLE_GAP_SEC_PARAMS_REPLY,                  /**< Reply with Security Parameters. */
  SD_BLE_GAP_AUTH_KEY_REPLY,                    /**< Reply with an authentication key. */
  SD_BLE_GAP_LESC_DHKEY_REPLY,                  /**< Reply with an LE Secure Connections DHKey. */
  SD_BLE_GAP_KEYPRESS_NOTIFY,                   /**< Notify of a keypress during an authentication procedure. */
  SD_BLE_GAP_LESC_OOB_DATA_GET,                 /**< Get the local LE Secure Connections OOB data. */
  SD_BLE_GAP_LESC_OOB_DATA_SET,                 /**< Set the remote LE Secure Connections OOB data. */
  SD_BLE_GAP_ENCRYPT,                           /**< Initiate encryption procedure. */
  SD_BLE_GAP_SEC_INFO_REPLY,                    /**< Reply with Security Information. */
  SD_BLE_GAP_CONN_SEC_GET,                      /**< Obtain connection security level. */
  SD_BLE_GAP_RSSI_START,                        /**< Start reporting of changes in RSSI. */
  SD_BLE_GAP_RSSI_STOP,                         /**< Stop reporting of changes in RSSI. */
  SD_BLE_GAP_SCAN_START,                        /**< Start Scanning. */
  SD_BLE_GAP_SCAN_STOP,                         /**< Stop Scanning. */
  SD_BLE_GAP_CONNECT,                           /**< Connect. */
  SD_BLE_GAP_CONNECT_CANCEL,                    /**< Cancel ongoing connection procedure. */
  SD_BLE_GAP_RSSI_GET,                          /**< Get the last RSSI sample. */
  SD_BLE_GAP_PHY_REQUEST,                       /**< Initiate PHY Update procedure. */
  SD_BLE_GAP_DATA_LENGTH_UPDATE,                /**< Initiate or respond to a Data Length Update Procedure. */
};

/**@brief GAP Event IDs.
 * IDs that uniquely identify an event coming from the stack to the application.
 */
enum BLE_GAP_EVTS
{
  BLE_GAP_EVT_CONNECTED  = BLE_GAP_EVT_BASE,    /**< Connection established.                         \n See @ref ble_gap_evt_connected_t.            */
  BLE_GAP_EVT_DISCONNECTED,                     /**< Disconnected from peer.                         \n See @ref ble_gap_evt_disconnected_t.         */
  BLE_GAP_EVT_CONN_PARAM_UPDATE,                /**< Connection Parameters updated.                  \n See @ref ble_gap_evt_conn_param_update_t.    */
  BLE_GAP_EVT_SEC_PARAMS_REQUEST,               /**< Request to provide security parameters.         \n Reply with @ref sd_ble_gap_sec_params_reply.  \n See @ref ble_gap_evt_sec_params_request_t. */
  BLE_GAP_EVT_SEC_INFO_REQUEST,                 /**< Request to provide security information.        \n Reply with @ref sd_ble_gap_sec_info_reply.    \n See @ref ble_gap_evt_sec_info_request_t.   */
  BLE_GAP_EVT_PASSKEY_DISPLAY,                  /**< Request to display a passkey to the user.       \n In LESC Numeric Comparison, reply with @ref sd_ble_gap_auth_key_reply. \n See @ref ble_gap_evt_passkey_display_t. */
  BLE_GAP_EVT_KEY_PRESSED,                      /**< Notification of a keypress on the remote device.\n See @ref ble_gap_evt_key_pressed_t           */
  BLE_GAP_EVT_AUTH_KEY_REQUEST,                 /**< Request to provide an authentication key.       \n Reply with @ref sd_ble_gap_auth_key_reply.    \n See @ref ble_gap_evt_auth_key_request_t.   */
  BLE_GAP_EVT_LESC_DHKEY_REQUEST,               /**< Request to calculate an LE Secure Connections DHKey. \n Reply with @ref sd_ble_gap_lesc_dhkey_reply.  \n See @ref ble_gap_evt_lesc_dhkey_request_t */
  BLE_GAP_EVT_AUTH_STATUS,                      /**< Authentication procedure completed with status. \n See @ref ble_gap_evt_auth_status_t.          */
  BLE_GAP_EVT_CONN_SEC_UPDATE,                  /**< Connection security updated.                    \n See @ref ble_gap_evt_conn_sec_update_t.      */
  BLE_GAP_EVT_TIMEOUT,                          /**< Timeout expired.                                \n See @ref ble_gap_evt_timeout_t.              */
  BLE_GAP_EVT_RSSI_CHANGED,                     /**< RSSI report.                                    \n See @ref ble_gap_evt_rssi_changed_t.         */
  BLE_GAP_EVT_ADV_REPORT,                       /**< Advertising report.                             \n See @ref ble_gap_evt_adv_report_t.           */
  BLE_GAP_EVT_SEC_REQUEST,                      /**< Security Request.                               \n See @ref ble_gap_evt_sec_request_t.          */
  BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST,        /**< Connection Parameter Update Request.            \n Reply with @ref sd_ble_gap_conn_param_update. \n See @ref ble_gap_evt_conn_param_update_request_t. */
  BLE_GAP_EVT_SCAN_REQ_REPORT,                  /**< Scan request report.                            \n See @ref ble_gap_evt_scan_req_report_t. */
  BLE_GAP_EVT_PHY_UPDATE,                       /**< PHY have been updated                           \n See @ref ble_gap_evt_phy_update_t.           */
  BLE_GAP_EVT_DATA_LENGTH_UPDATE_REQUEST,       /**< Data Length Update request.                     \n Reply with @ref sd_ble_gap_data_length_update.\n See @ref ble_gap_evt_data_length_update_request_t. */
  BLE_GAP_EVT_DATA_LENGTH_UPDATE,               /**< LL Data Channel PDU payload length updated.     \n See @ref ble_gap_evt_data_length_update_t. */
};

/**@brief GAP Option IDs.
 * IDs that uniquely identify a GAP option.
 */
enum BLE_GAP_OPTS
{
  BLE_GAP_OPT_CH_MAP  = BLE_GAP_OPT_BASE,       /**< Channel Map. @ref ble_gap_opt_ch_map_t  */
  BLE_GAP_OPT_LOCAL_CONN_LATENCY,               /**< Local connection latency. @ref ble_gap_opt_local_conn_latency_t */
  BLE_GAP_OPT_PASSKEY,                          /**< Set passkey. @ref ble_gap_opt_passkey_t */
  BLE_GAP_OPT_SCAN_REQ_REPORT,                  /**< Scan request report. @ref ble_gap_opt_scan_req_report_t */
  BLE_GAP_OPT_COMPAT_MODE_1,                    /**< Compatibility mode. @ref ble_gap_opt_compat_mode_1_t */
  BLE_GAP_OPT_COMPAT_MODE_2,                    /**< Compatibility mode. @ref ble_gap_opt_compat_mode_2_t */
  BLE_GAP_OPT_AUTH_PAYLOAD_TIMEOUT,             /**< Set Authenticated payload timeout. @ref ble_gap_opt_auth_payload_timeout_t */
  BLE_GAP_OPT_PREFERRED_PHYS_SET,               /**< Set the preferred PHYs for all new connections. @ref ble_gap_opt_preferred_phys_t */
  BLE_GAP_OPT_SLAVE_LATENCY_DISABLE,            /**< Disable slave latency. @ref ble_gap_opt_slave_latency_disable_t */
};

/**@brief GAP Configuration IDs.
 *
 * IDs that uniquely identify a GAP configuration.
 */
enum BLE_GAP_CFGS
{
  BLE_GAP_CFG_ROLE_COUNT = BLE_GAP_CFG_BASE,  /**< Role count configuration. */
  BLE_GAP_CFG_DEVICE_NAME,                    /**< Device name configuration. */
};

/** @} */

/**@addtogroup BLE_GAP_DEFINES Defines
 * @{ */

/**@defgroup BLE_ERRORS_GAP SVC return values specific to GAP
 * @{ */
#define BLE_ERROR_GAP_UUID_LIST_MISMATCH            (NRF_GAP_ERR_BASE + 0x000)  /**< UUID list does not contain an integral number of UUIDs. */
#define BLE_ERROR_GAP_DISCOVERABLE_WITH_WHITELIST   (NRF_GAP_ERR_BASE + 0x001)  /**< Use of Whitelist not permitted with discoverable advertising. */
#define BLE_ERROR_GAP_INVALID_BLE_ADDR              (NRF_GAP_ERR_BASE + 0x002)  /**< The upper two bits of the address do not correspond to the specified address type. */
#define BLE_ERROR_GAP_WHITELIST_IN_USE              (NRF_GAP_ERR_BASE + 0x003)  /**< Attempt to modify the whitelist while already in use by another operation. */
#define BLE_ERROR_GAP_DEVICE_IDENTITIES_IN_USE      (NRF_GAP_ERR_BASE + 0x004)  /**< Attempt to modify the device identity list while already in use by another operation. */
#define BLE_ERROR_GAP_DEVICE_IDENTITIES_DUPLICATE   (NRF_GAP_ERR_BASE + 0x005)  /**< The device identity list contains entries with duplicate identity addresses. */
/**@} */


/**@defgroup BLE_GAP_ROLES GAP Roles
 * @note Not explicitly used in peripheral API, but will be relevant for central API.
 * @{ */
#define BLE_GAP_ROLE_INVALID     0x0            /**< Invalid Role. */
#define BLE_GAP_ROLE_PERIPH      0x1            /**< Peripheral Role. */
#define BLE_GAP_ROLE_CENTRAL     0x2            /**< Central Role. */
/**@} */


/**@defgroup BLE_GAP_TIMEOUT_SOURCES GAP Timeout sources
 * @{ */
#define BLE_GAP_TIMEOUT_SRC_ADVERTISING                0x00 /**< Advertising timeout. */
#define BLE_GAP_TIMEOUT_SRC_SECURITY_REQUEST           0x01 /**< Security request timeout. */
#define BLE_GAP_TIMEOUT_SRC_SCAN                       0x02 /**< Scanning timeout. */
#define BLE_GAP_TIMEOUT_SRC_CONN                       0x03 /**< Connection timeout. */
#define BLE_GAP_TIMEOUT_SRC_AUTH_PAYLOAD               0x04 /**< Authenticated payload timeout. */
/**@} */


/**@defgroup BLE_GAP_ADDR_TYPES GAP Address types
 * @{ */
#define BLE_GAP_ADDR_TYPE_PUBLIC                        0x00 /**< Public address. */
#define BLE_GAP_ADDR_TYPE_RANDOM_STATIC                 0x01 /**< Random static address. */
#define BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE     0x02 /**< Random private resolvable address. */
#define BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE 0x03 /**< Random private non-resolvable address. */
/**@} */


/**@brief The default interval in seconds at which a private address is refreshed.  */
#define BLE_GAP_DEFAULT_PRIVATE_ADDR_CYCLE_INTERVAL_S (900) /* 15 minutes. */
/**@brief The maximum interval in seconds at which a private address can be refreshed.  */
#define BLE_GAP_MAX_PRIVATE_ADDR_CYCLE_INTERVAL_S     (41400) /* 11 hours 30 minutes. */


/** @brief BLE address length. */
#define BLE_GAP_ADDR_LEN (6)


/**@defgroup BLE_GAP_PRIVACY_MODES Privacy modes
 * @{ */
#define BLE_GAP_PRIVACY_MODE_OFF                       0x00 /**< Device will send and accept its identity address for its own address. */
#define BLE_GAP_PRIVACY_MODE_DEVICE_PRIVACY            0x01 /**< Device will send and accept only private addresses for its own address. */
/**@} */


/**@defgroup BLE_GAP_AD_TYPE_DEFINITIONS GAP Advertising and Scan Response Data format
 * @note Found at https://www.bluetooth.org/Technical/AssignedNumbers/generic_access_profile.htm
 * @{ */
#define BLE_GAP_AD_TYPE_FLAGS                               0x01 /**< Flags for discoverability. */
#define BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_MORE_AVAILABLE   0x02 /**< Partial list of 16 bit service UUIDs. */
#define BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE         0x03 /**< Complete list of 16 bit service UUIDs. */
#define BLE_GAP_AD_TYPE_32BIT_SERVICE_UUID_MORE_AVAILABLE   0x04 /**< Partial list of 32 bit service UUIDs. */
#define BLE_GAP_AD_TYPE_32BIT_SERVICE_UUID_COMPLETE         0x05 /**< Complete list of 32 bit service UUIDs. */
#define BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_MORE_AVAILABLE  0x06 /**< Partial list of 128 bit service UUIDs. */
#define BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_COMPLETE        0x07 /**< Complete list of 128 bit service UUIDs. */
#define BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME                    0x08 /**< Short local device name. */
#define BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME                 0x09 /**< Complete local device name. */
#define BLE_GAP_AD_TYPE_TX_POWER_LEVEL                      0x0A /**< Transmit power level. */
#define BLE_GAP_AD_TYPE_CLASS_OF_DEVICE                     0x0D /**< Class of device. */
#define BLE_GAP_AD_TYPE_SIMPLE_PAIRING_HASH_C               0x0E /**< Simple Pairing Hash C. */
#define BLE_GAP_AD_TYPE_SIMPLE_PAIRING_RANDOMIZER_R         0x0F /**< Simple Pairing Randomizer R. */
#define BLE_GAP_AD_TYPE_SECURITY_MANAGER_TK_VALUE           0x10 /**< Security Manager TK Value. */
#define BLE_GAP_AD_TYPE_SECURITY_MANAGER_OOB_FLAGS          0x11 /**< Security Manager Out Of Band Flags. */
#define BLE_GAP_AD_TYPE_SLAVE_CONNECTION_INTERVAL_RANGE     0x12 /**< Slave Connection Interval Range. */
#define BLE_GAP_AD_TYPE_SOLICITED_SERVICE_UUIDS_16BIT       0x14 /**< List of 16-bit Service Solicitation UUIDs. */
#define BLE_GAP_AD_TYPE_SOLICITED_SERVICE_UUIDS_128BIT      0x15 /**< List of 128-bit Service Solicitation UUIDs. */
#define BLE_GAP_AD_TYPE_SERVICE_DATA                        0x16 /**< Service Data - 16-bit UUID. */
#define BLE_GAP_AD_TYPE_PUBLIC_TARGET_ADDRESS               0x17 /**< Public Target Address. */
#define BLE_GAP_AD_TYPE_RANDOM_TARGET_ADDRESS               0x18 /**< Random Target Address. */
#define BLE_GAP_AD_TYPE_APPEARANCE                          0x19 /**< Appearance. */
#define BLE_GAP_AD_TYPE_ADVERTISING_INTERVAL                0x1A /**< Advertising Interval. */
#define BLE_GAP_AD_TYPE_LE_BLUETOOTH_DEVICE_ADDRESS         0x1B /**< LE Bluetooth Device Address. */
#define BLE_GAP_AD_TYPE_LE_ROLE                             0x1C /**< LE Role. */
#define BLE_GAP_AD_TYPE_SIMPLE_PAIRING_HASH_C256            0x1D /**< Simple Pairing Hash C-256. */
#define BLE_GAP_AD_TYPE_SIMPLE_PAIRING_RANDOMIZER_R256      0x1E /**< Simple Pairing Randomizer R-256. */
#define BLE_GAP_AD_TYPE_SERVICE_DATA_32BIT_UUID             0x20 /**< Service Data - 32-bit UUID. */
#define BLE_GAP_AD_TYPE_SERVICE_DATA_128BIT_UUID            0x21 /**< Service Data - 128-bit UUID. */
#define BLE_GAP_AD_TYPE_LESC_CONFIRMATION_VALUE             0x22 /**< LE Secure Connections Confirmation Value */
#define BLE_GAP_AD_TYPE_LESC_RANDOM_VALUE                   0x23 /**< LE Secure Connections Random Value */
#define BLE_GAP_AD_TYPE_URI                                 0x24 /**< URI */
#define BLE_GAP_AD_TYPE_3D_INFORMATION_DATA                 0x3D /**< 3D Information Data. */
#define BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA          0xFF /**< Manufacturer Specific Data. */
/**@} */


/**@defgroup BLE_GAP_ADV_FLAGS GAP Advertisement Flags
 * @{ */
#define BLE_GAP_ADV_FLAG_LE_LIMITED_DISC_MODE         (0x01)   /**< LE Limited Discoverable Mode. */
#define BLE_GAP_ADV_FLAG_LE_GENERAL_DISC_MODE         (0x02)   /**< LE General Discoverable Mode. */
#define BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED         (0x04)   /**< BR/EDR not supported. */
#define BLE_GAP_ADV_FLAG_LE_BR_EDR_CONTROLLER         (0x08)   /**< Simultaneous LE and BR/EDR, Controller. */
#define BLE_GAP_ADV_FLAG_LE_BR_EDR_HOST               (0x10)   /**< Simultaneous LE and BR/EDR, Host. */
#define BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE   (BLE_GAP_ADV_FLAG_LE_LIMITED_DISC_MODE | BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED)   /**< LE Limited Discoverable Mode, BR/EDR not supported. */
#define BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE   (BLE_GAP_ADV_FLAG_LE_GENERAL_DISC_MODE | BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED)   /**< LE General Discoverable Mode, BR/EDR not supported. */
/**@} */


/**@defgroup BLE_GAP_ADV_INTERVALS GAP Advertising interval max and min
 * @{ */
#define BLE_GAP_ADV_INTERVAL_MIN        0x0020 /**< Minimum Advertising interval in 625 us units, i.e. 20 ms. */
#define BLE_GAP_ADV_NONCON_INTERVAL_MIN 0x00A0 /**< Minimum Advertising interval in 625 us units for non connectable mode, i.e. 100 ms. */
#define BLE_GAP_ADV_INTERVAL_MAX        0x4000 /**< Maximum Advertising interval in 625 us units, i.e. 10.24 s. */
 /**@}  */


/**@defgroup BLE_GAP_SCAN_INTERVALS GAP Scan interval max and min
 * @{ */
#define BLE_GAP_SCAN_INTERVAL_MIN       0x0004 /**< Minimum Scan interval in 625 us units, i.e. 2.5 ms. */
#define BLE_GAP_SCAN_INTERVAL_MAX       0x4000 /**< Maximum Scan interval in 625 us units, i.e. 10.24 s. */
 /** @}  */


/**@defgroup BLE_GAP_SCAN_WINDOW GAP Scan window max and min
 * @{ */
#define BLE_GAP_SCAN_WINDOW_MIN         0x0004 /**< Minimum Scan window in 625 us units, i.e. 2.5 ms. */
#define BLE_GAP_SCAN_WINDOW_MAX         0x4000 /**< Maximum Scan window in 625 us units, i.e. 10.24 s. */
 /** @}  */


/**@defgroup BLE_GAP_SCAN_TIMEOUT GAP Scan timeout max and min
 * @{ */
#define BLE_GAP_SCAN_TIMEOUT_MIN        0x0001 /**< Minimum Scan timeout in seconds. */
#define BLE_GAP_SCAN_TIMEOUT_MAX        0xFFFF /**< Maximum Scan timeout in seconds. */
 /** @}  */


/**@brief Maximum size of advertising data in octets. */
#define BLE_GAP_ADV_MAX_SIZE            (31)


/**@defgroup BLE_GAP_ADV_TYPES GAP Advertising types
 * @{ */
#define BLE_GAP_ADV_TYPE_ADV_IND          0x00   /**< Connectable undirected. */
#define BLE_GAP_ADV_TYPE_ADV_DIRECT_IND   0x01   /**< Connectable directed. */
#define BLE_GAP_ADV_TYPE_ADV_SCAN_IND     0x02   /**< Scannable undirected. */
#define BLE_GAP_ADV_TYPE_ADV_NONCONN_IND  0x03   /**< Non connectable undirected. */
/**@} */


/**@defgroup BLE_GAP_ADV_FILTER_POLICIES GAP Advertising filter policies
 * @{ */
#define BLE_GAP_ADV_FP_ANY                0x00   /**< Allow scan requests and connect requests from any device. */
#define BLE_GAP_ADV_FP_FILTER_SCANREQ     0x01   /**< Filter scan requests with whitelist. */
#define BLE_GAP_ADV_FP_FILTER_CONNREQ     0x02   /**< Filter connect requests with whitelist. */
#define BLE_GAP_ADV_FP_FILTER_BOTH        0x03   /**< Filter both scan and connect requests with whitelist. */
/**@} */


/**@defgroup BLE_GAP_ADV_TIMEOUT_VALUES GAP Advertising timeout values
 * @{ */
#define BLE_GAP_ADV_TIMEOUT_LIMITED_MAX       (180) /**< Maximum advertising time in limited discoverable mode (TGAP(lim_adv_timeout) = 180 s). */
#define BLE_GAP_ADV_TIMEOUT_GENERAL_UNLIMITED (0)   /**< Unlimited advertising in general discoverable mode. */
/**@} */


/**@defgroup BLE_GAP_DISC_MODES GAP Discovery modes
 * @{ */
#define BLE_GAP_DISC_MODE_NOT_DISCOVERABLE  0x00   /**< Not discoverable discovery Mode. */
#define BLE_GAP_DISC_MODE_LIMITED           0x01   /**< Limited Discovery Mode. */
#define BLE_GAP_DISC_MODE_GENERAL           0x02   /**< General Discovery Mode. */
/**@} */


/**@defgroup BLE_GAP_IO_CAPS GAP IO Capabilities
 * @{ */
#define BLE_GAP_IO_CAPS_DISPLAY_ONLY      0x00   /**< Display Only. */
#define BLE_GAP_IO_CAPS_DISPLAY_YESNO     0x01   /**< Display and Yes/No entry. */
#define BLE_GAP_IO_CAPS_KEYBOARD_ONLY     0x02   /**< Keyboard Only. */
#define BLE_GAP_IO_CAPS_NONE              0x03   /**< No I/O capabilities. */
#define BLE_GAP_IO_CAPS_KEYBOARD_DISPLAY  0x04   /**< Keyboard and Display. */
/**@} */


/**@defgroup BLE_GAP_AUTH_KEY_TYPES GAP Authentication Key Types
 * @{ */
#define BLE_GAP_AUTH_KEY_TYPE_NONE        0x00   /**< No key (may be used to reject). */
#define BLE_GAP_AUTH_KEY_TYPE_PASSKEY     0x01   /**< 6-digit Passkey. */
#define BLE_GAP_AUTH_KEY_TYPE_OOB         0x02   /**< Out Of Band data. */
/**@} */


/**@defgroup BLE_GAP_KP_NOT_TYPES GAP Keypress Notification Types
 * @{ */
#define BLE_GAP_KP_NOT_TYPE_PASSKEY_START       0x00   /**< Passkey entry started. */
#define BLE_GAP_KP_NOT_TYPE_PASSKEY_DIGIT_IN    0x01   /**< Passkey digit entered. */
#define BLE_GAP_KP_NOT_TYPE_PASSKEY_DIGIT_OUT   0x02   /**< Passkey digit erased. */
#define BLE_GAP_KP_NOT_TYPE_PASSKEY_CLEAR       0x03   /**< Passkey cleared. */
#define BLE_GAP_KP_NOT_TYPE_PASSKEY_END         0x04   /**< Passkey entry completed. */
/**@} */


/**@defgroup BLE_GAP_SEC_STATUS GAP Security status
 * @{ */
#define BLE_GAP_SEC_STATUS_SUCCESS                0x00  /**< Procedure completed with success. */
#define BLE_GAP_SEC_STATUS_TIMEOUT                0x01  /**< Procedure timed out. */
#define BLE_GAP_SEC_STATUS_PDU_INVALID            0x02  /**< Invalid PDU received. */
#define BLE_GAP_SEC_STATUS_RFU_RANGE1_BEGIN       0x03  /**< Reserved for Future Use range #1 begin. */
#define BLE_GAP_SEC_STATUS_RFU_RANGE1_END         0x80  /**< Reserved for Future Use range #1 end. */
#define BLE_GAP_SEC_STATUS_PASSKEY_ENTRY_FAILED   0x81  /**< Passkey entry failed (user canceled or other). */
#define BLE_GAP_SEC_STATUS_OOB_NOT_AVAILABLE      0x82  /**< Out of Band Key not available. */
#define BLE_GAP_SEC_STATUS_AUTH_REQ               0x83  /**< Authentication requirements not met. */
#define BLE_GAP_SEC_STATUS_CONFIRM_VALUE          0x84  /**< Confirm value failed. */
#define BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP       0x85  /**< Pairing not supported.  */
#define BLE_GAP_SEC_STATUS_ENC_KEY_SIZE           0x86  /**< Encryption key size. */
#define BLE_GAP_SEC_STATUS_SMP_CMD_UNSUPPORTED    0x87  /**< Unsupported SMP command. */
#define BLE_GAP_SEC_STATUS_UNSPECIFIED            0x88  /**< Unspecified reason. */
#define BLE_GAP_SEC_STATUS_REPEATED_ATTEMPTS      0x89  /**< Too little time elapsed since last attempt. */
#define BLE_GAP_SEC_STATUS_INVALID_PARAMS         0x8A  /**< Invalid parameters. */
#define BLE_GAP_SEC_STATUS_DHKEY_FAILURE          0x8B  /**< DHKey check failure. */
#define BLE_GAP_SEC_STATUS_NUM_COMP_FAILURE       0x8C  /**< Numeric Comparison failure. */
#define BLE_GAP_SEC_STATUS_BR_EDR_IN_PROG         0x8D  /**< BR/EDR pairing in progress. */
#define BLE_GAP_SEC_STATUS_X_TRANS_KEY_DISALLOWED 0x8E  /**< BR/EDR Link Key cannot be used for LE keys. */
#define BLE_GAP_SEC_STATUS_RFU_RANGE2_BEGIN       0x8F  /**< Reserved for Future Use range #2 begin. */
#define BLE_GAP_SEC_STATUS_RFU_RANGE2_END         0xFF  /**< Reserved for Future Use range #2 end. */
/**@} */


/**@defgroup BLE_GAP_SEC_STATUS_SOURCES GAP Security status sources
 * @{ */
#define BLE_GAP_SEC_STATUS_SOURCE_LOCAL           0x00  /**< Local failure. */
#define BLE_GAP_SEC_STATUS_SOURCE_REMOTE          0x01  /**< Remote failure. */
/**@} */


/**@defgroup BLE_GAP_CP_LIMITS GAP Connection Parameters Limits
 * @{ */
#define BLE_GAP_CP_MIN_CONN_INTVL_NONE           0xFFFF  /**< No new minimum connection interval specified in connect parameters. */
#define BLE_GAP_CP_MIN_CONN_INTVL_MIN            0x0006  /**< Lowest minimum connection interval permitted, in units of 1.25 ms, i.e. 7.5 ms. */
#define BLE_GAP_CP_MIN_CONN_INTVL_MAX            0x0C80  /**< Highest minimum connection interval permitted, in units of 1.25 ms, i.e. 4 s. */
#define BLE_GAP_CP_MAX_CONN_INTVL_NONE           0xFFFF  /**< No new maximum connection interval specified in connect parameters. */
#define BLE_GAP_CP_MAX_CONN_INTVL_MIN            0x0006  /**< Lowest maximum connection interval permitted, in units of 1.25 ms, i.e. 7.5 ms. */
#define BLE_GAP_CP_MAX_CONN_INTVL_MAX            0x0C80  /**< Highest maximum connection interval permitted, in units of 1.25 ms, i.e. 4 s. */
#define BLE_GAP_CP_SLAVE_LATENCY_MAX             0x01F3  /**< Highest slave latency permitted, in connection events. */
#define BLE_GAP_CP_CONN_SUP_TIMEOUT_NONE         0xFFFF  /**< No new supervision timeout specified in connect parameters. */
#define BLE_GAP_CP_CONN_SUP_TIMEOUT_MIN          0x000A  /**< Lowest supervision timeout permitted, in units of 10 ms, i.e. 100 ms. */
#define BLE_GAP_CP_CONN_SUP_TIMEOUT_MAX          0x0C80  /**< Highest supervision timeout permitted, in units of 10 ms, i.e. 32 s. */
/**@} */


/**@defgroup BLE_GAP_DEVNAME GAP device name defines.
 * @{ */
#define BLE_GAP_DEVNAME_DEFAULT                  "nRF5x" /**< Default device name value. */
#define BLE_GAP_DEVNAME_DEFAULT_LEN              31      /**< Default number of octets in device name. */
#define BLE_GAP_DEVNAME_MAX_LEN                  248     /**< Maximum number of octets in device name. */
/**@} */


/**@brief Disable RSSI events for connections */
#define BLE_GAP_RSSI_THRESHOLD_INVALID 0xFF

/**@defgroup BLE_GAP_PHYS GAP PHYs
 * @{ */
#define BLE_GAP_PHY_1MBPS                        0x01    /**< 1 Mbps PHY. */
#define BLE_GAP_PHY_2MBPS                        0x02    /**< 2 Mbps PHY. */
#define BLE_GAP_PHY_CODED                        0x04    /**< Coded PHY. */
/**@} */

/**@defgroup BLE_GAP_CONN_SEC_MODE_SET_MACROS GAP attribute security requirement setters
 *
 * See @ref ble_gap_conn_sec_mode_t.
 * @{ */
/**@brief Set sec_mode pointed to by ptr to have no access rights.*/
#define BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(ptr)          do {(ptr)->sm = 0; (ptr)->lv = 0;} while(0)
/**@brief Set sec_mode pointed to by ptr to require no protection, open link.*/
#define BLE_GAP_CONN_SEC_MODE_SET_OPEN(ptr)               do {(ptr)->sm = 1; (ptr)->lv = 1;} while(0)
/**@brief Set sec_mode pointed to by ptr to require encryption, but no MITM protection.*/
#define BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(ptr)        do {(ptr)->sm = 1; (ptr)->lv = 2;} while(0)
/**@brief Set sec_mode pointed to by ptr to require encryption and MITM protection.*/
#define BLE_GAP_CONN_SEC_MODE_SET_ENC_WITH_MITM(ptr)      do {(ptr)->sm = 1; (ptr)->lv = 3;} while(0)
/**@brief Set sec_mode pointed to by ptr to require LESC encryption and MITM protection.*/
#define BLE_GAP_CONN_SEC_MODE_SET_LESC_ENC_WITH_MITM(ptr) do {(ptr)->sm = 1; (ptr)->lv = 4;} while(0)
/**@brief Set sec_mode pointed to by ptr to require signing or encryption, no MITM protection needed.*/
#define BLE_GAP_CONN_SEC_MODE_SET_SIGNED_NO_MITM(ptr)     do {(ptr)->sm = 2; (ptr)->lv = 1;} while(0)
/**@brief Set sec_mode pointed to by ptr to require signing or encryption with MITM protection.*/
#define BLE_GAP_CONN_SEC_MODE_SET_SIGNED_WITH_MITM(ptr)   do {(ptr)->sm = 2; (ptr)->lv = 2;} while(0)
/**@} */


/**@brief GAP Security Random Number Length. */
#define BLE_GAP_SEC_RAND_LEN 8


/**@brief GAP Security Key Length. */
#define BLE_GAP_SEC_KEY_LEN 16


/**@brief GAP LE Secure Connections Elliptic Curve Diffie-Hellman P-256 Public Key Length. */
#define BLE_GAP_LESC_P256_PK_LEN 64


/**@brief GAP LE Secure Connections Elliptic Curve Diffie-Hellman DHKey Length. */
#define BLE_GAP_LESC_DHKEY_LEN   32


/**@brief GAP Passkey Length. */
#define BLE_GAP_PASSKEY_LEN 6


/**@brief Maximum amount of addresses in the whitelist. */
#define BLE_GAP_WHITELIST_ADDR_MAX_COUNT (8)


/**@brief Maximum amount of identities in the device identities list. */
#define BLE_GAP_DEVICE_IDENTITIES_MAX_COUNT (8)


/**@brief Default connection count for a configuration. */
#define BLE_GAP_CONN_COUNT_DEFAULT (1)


/**@defgroup BLE_GAP_EVENT_LENGTH GAP event length defines.
 * @{ */
#define BLE_GAP_EVENT_LENGTH_MIN     (2)  /**< Minimum event length, in 1.25 ms units. */
#define BLE_GAP_EVENT_LENGTH_DEFAULT (3)  /**< Default event length, in 1.25 ms units. */
/**@} */


/**@defgroup BLE_GAP_ROLE_COUNT GAP concurrent connection count defines.
 * @{ */
#define BLE_GAP_ROLE_COUNT_PERIPH_DEFAULT      (1)   /**< Default maximum number of connections concurrently acting as peripherals. */
#define BLE_GAP_ROLE_COUNT_CENTRAL_DEFAULT     (3)   /**< Default maximum number of connections concurrently acting as centrals. */
#define BLE_GAP_ROLE_COUNT_CENTRAL_SEC_DEFAULT (1)   /**< Default number of SMP instances shared between all connections acting as centrals. */
#define BLE_GAP_ROLE_COUNT_COMBINED_MAX        (20)  /**< Maximum supported number of concurrent connections in the peripheral and central roles combined. */
/**@} */




/**@brief Automatic data length parameter. */
#define BLE_GAP_DATA_LENGTH_AUTO 0


/**@defgroup GAP_SEC_MODES GAP Security Modes
 * @{ */
#define BLE_GAP_SEC_MODE 0x00 /**< No key (may be used to reject). */
/**@} */
/** @} */


/**@addtogroup BLE_GAP_STRUCTURES Structures
 * @{ */

/**@brief Bluetooth Low Energy address. */
typedef struct
{
  uint8_t addr_id_peer : 1;       /**< Only valid for peer addresses.
                                       Reference to peer in device identities list (as set with @ref sd_ble_gap_device_identities_set) when peer is using privacy. */
  uint8_t addr_type    : 7;       /**< See @ref BLE_GAP_ADDR_TYPES. */
  uint8_t addr[BLE_GAP_ADDR_LEN]; /**< 48-bit address, LSB format. */
} ble_gap_addr_t;


/**@brief GAP connection parameters.
 *
 * @note  When ble_conn_params_t is received in an event, both min_conn_interval and
 *        max_conn_interval will be equal to the connection interval set by the central.
 *
 * @note  If both conn_sup_timeout and max_conn_interval are specified, then the following constraint applies:
 *        conn_sup_timeout * 4 > (1 + slave_latency) * max_conn_interval
 *        that corresponds to the following Bluetooth Spec requirement:
 *        The Supervision_Timeout in milliseconds shall be larger than
 *        (1 + Conn_Latency) * Conn_Interval_Max * 2, where Conn_Interval_Max is given in milliseconds.
 */
typedef struct
{
  uint16_t min_conn_interval;         /**< Minimum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
  uint16_t max_conn_interval;         /**< Maximum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
  uint16_t slave_latency;             /**< Slave Latency in number of connection events, see @ref BLE_GAP_CP_LIMITS.*/
  uint16_t conn_sup_timeout;          /**< Connection Supervision Timeout in 10 ms units, see @ref BLE_GAP_CP_LIMITS.*/
} ble_gap_conn_params_t;


/**@brief GAP connection security modes.
 *
 * Security Mode 0 Level 0: No access permissions at all (this level is not defined by the Bluetooth Core specification).\n
 * Security Mode 1 Level 1: No security is needed (aka open link).\n
 * Security Mode 1 Level 2: Encrypted link required, MITM protection not necessary.\n
 * Security Mode 1 Level 3: MITM protected encrypted link required.\n
 * Security Mode 1 Level 4: LESC MITM protected encrypted link required.\n
 * Security Mode 2 Level 1: Signing or encryption required, MITM protection not necessary.\n
 * Security Mode 2 Level 2: MITM protected signing required, unless link is MITM protected encrypted.\n
 */
typedef struct
{
  uint8_t sm : 4;                     /**< Security Mode (1 or 2), 0 for no permissions at all. */
  uint8_t lv : 4;                     /**< Level (1, 2, 3 or 4), 0 for no permissions at all. */

} ble_gap_conn_sec_mode_t;


/**@brief GAP connection security status.*/
typedef struct
{
  ble_gap_conn_sec_mode_t sec_mode;           /**< Currently active security mode for this connection.*/
  uint8_t                 encr_key_size;      /**< Length of currently active encryption key, 7 to 16 octets (only applicable for bonding procedures). */
} ble_gap_conn_sec_t;

/**@brief Identity Resolving Key. */
typedef struct
{
  uint8_t irk[BLE_GAP_SEC_KEY_LEN];   /**< Array containing IRK. */
} ble_gap_irk_t;


/**@brief Channel mask for RF channels used in advertising. */
typedef struct
{
  uint8_t ch_37_off : 1;  /**< Setting this bit to 1 will turn off advertising on channel 37 */
  uint8_t ch_38_off : 1;  /**< Setting this bit to 1 will turn off advertising on channel 38 */
  uint8_t ch_39_off : 1;  /**< Setting this bit to 1 will turn off advertising on channel 39 */
} ble_gap_adv_ch_mask_t;


/**@brief GAP advertising parameters. */
typedef struct
{
  uint8_t               type;                 /**< See @ref BLE_GAP_ADV_TYPES. */
  ble_gap_addr_t const *p_peer_addr;          /**< Address of a known peer.
                                                   - When privacy is enabled and the local device use @ref BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE addresses, the device identity list is searched for a matching
                                                     entry. If the local IRK for that device identity is set, the local IRK for that device will be used to generate the advertiser address field in the advertise packet.
                                                   - If type is @ref BLE_GAP_ADV_TYPE_ADV_DIRECT_IND, this must be set to the targeted initiator. If the initiator is in the device identity list,
                                                     the peer IRK for that device will be used to generate the initiator address field in the ADV_DIRECT_IND packet. */
  uint8_t               fp;                   /**< Filter Policy, see @ref BLE_GAP_ADV_FILTER_POLICIES. */
  uint16_t              interval;             /**< Advertising interval between 0x0020 and 0x4000 in 0.625 ms units (20 ms to 10.24 s), see @ref BLE_GAP_ADV_INTERVALS.
                                                   - If type equals @ref BLE_GAP_ADV_TYPE_ADV_DIRECT_IND, this parameter must be set to 0 for high duty cycle directed advertising.
                                                   - If type equals @ref BLE_GAP_ADV_TYPE_ADV_DIRECT_IND, set @ref BLE_GAP_ADV_INTERVAL_MIN <= interval <= @ref BLE_GAP_ADV_INTERVAL_MAX for low duty cycle advertising.*/
  uint16_t              timeout;              /**< Advertising timeout between 0x0001 and 0x3FFF in seconds, 0x0000 disables timeout. See also @ref BLE_GAP_ADV_TIMEOUT_VALUES. If type equals @ref BLE_GAP_ADV_TYPE_ADV_DIRECT_IND, this parameter must be set to 0 for High duty cycle directed advertising. */
  ble_gap_adv_ch_mask_t channel_mask;         /**< Advertising channel mask. See @ref ble_gap_adv_ch_mask_t. */
} ble_gap_adv_params_t;


/**@brief GAP scanning parameters. */
typedef struct
{
  uint8_t  active         : 1;  /**< If 1, perform active scanning (scan requests). */
  uint8_t  use_whitelist  : 1;  /**< If 1, filter advertisers using current active whitelist. */
  uint8_t  adv_dir_report : 1;  /**< If 1, also report directed advertisements where the initiator field is set to a private resolvable address,
                                     even if the address did not resolve to an entry in the device identity list. A report will be generated
                                     even if the peer is not in the whitelist. */
  uint16_t interval;            /**< Scan interval between 0x0004 and 0x4000 in 0.625 ms units (2.5 ms to 10.24 s). */
  uint16_t window;              /**< Scan window between 0x0004 and 0x4000 in 0.625 ms units (2.5 ms to 10.24 s). */
  uint16_t timeout;             /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */
} ble_gap_scan_params_t;


/**@brief Device Privacy.
 *
 *        The privacy feature provides a way for the device to avoid being tracked over a period of time.
 *        The privacy feature, when enabled, hides the local device identity and replaces it with a private address
 *        that is automatically refreshed at a specified interval.
 *
 *        If a device still wants to be recognized by other peers, it needs to share it's Identity Resolving Key (IRK).
 *        With this key, a device can generate a random private address that can only be recognized by peers in possession of that key,
 *        and devices can establish connections without revealing their real identities.
 *
 * @note  If the device IRK is updated, the new IRK becomes the one to be distributed in all
 *        bonding procedures performed after @ref sd_ble_gap_privacy_set returns.
 *        The IRK distributed during bonding procedure is the device IRK that is active when @ref sd_ble_gap_sec_params_reply is called.
 */
typedef struct
{
  uint8_t        privacy_mode;         /**< Privacy mode, see @ref BLE_GAP_PRIVACY_MODES. Default is @ref BLE_GAP_PRIVACY_MODE_OFF. */
  uint8_t        private_addr_type;    /**< The private address type must be either @ref BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE or @ref BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE. */
  uint16_t       private_addr_cycle_s; /**< Private address cycle interval in seconds. Providing an address cycle value of 0 will use the default value defined by @ref BLE_GAP_DEFAULT_PRIVATE_ADDR_CYCLE_INTERVAL_S. */
  ble_gap_irk_t *p_device_irk;         /**< When used as input, pointer to IRK structure that will be used as the default IRK. If NULL, the device default IRK will be used.
                                            When used as output, pointer to IRK structure where the current default IRK will be written to. If NULL, this argument is ignored.
                                            By default, the default IRK is used to generate random private resolvable addresses for the local device unless instructed otherwise. */
} ble_gap_privacy_params_t;


/**@brief Physical Layer configuration
 * @note      tx_phys and rx_phys are bitfields, to indicate multiple preferred PHYs for each direction they can be ORed together.
 * @code
 * p_gap_phys->tx_phys = BLE_GAP_PHY_1MBPS | BLE_GAP_PHY_2MBPS;
 * p_gap_phys->rx_phys = BLE_GAP_PHY_1MBPS | BLE_GAP_PHY_2MBPS;
 * @endcode
 *
 */
typedef struct
{
  uint8_t tx_phys;     /**< Preferred transmit PHYs, see @ref BLE_GAP_PHYS. */
  uint8_t rx_phys;     /**< Preferred receive PHYs, see @ref BLE_GAP_PHYS. */
} ble_gap_phys_t;

/** @brief Keys that can be exchanged during a bonding procedure. */
typedef struct
{
  uint8_t enc     : 1;                        /**< Long Term Key and Master Identification. */
  uint8_t id      : 1;                        /**< Identity Resolving Key and Identity Address Information. */
  uint8_t sign    : 1;                        /**< Connection Signature Resolving Key. */
  uint8_t link    : 1;                        /**< Derive the Link Key from the LTK. */
} ble_gap_sec_kdist_t;


/**@brief GAP security parameters. */
typedef struct
{
  uint8_t               bond      : 1;             /**< Perform bonding. */
  uint8_t               mitm      : 1;             /**< Enable Man In The Middle protection. */
  uint8_t               lesc      : 1;             /**< Enable LE Secure Connection pairing. */
  uint8_t               keypress  : 1;             /**< Enable generation of keypress notifications. */
  uint8_t               io_caps   : 3;             /**< IO capabilities, see @ref BLE_GAP_IO_CAPS. */
  uint8_t               oob       : 1;             /**< The OOB data flag.
                                                        - In LE legacy pairing, this flag is set if a device has out of band authentication data.
                                                          The OOB method is used if both of the devices have out of band authentication data.
                                                        - In LE Secure Connections pairing, this flag is set if a device has the peer device's out of band authentication data.
                                                          The OOB method is used if at least one device has the peer device's OOB data available. */
  uint8_t               min_key_size;              /**< Minimum encryption key size in octets between 7 and 16. If 0 then not applicable in this instance. */
  uint8_t               max_key_size;              /**< Maximum encryption key size in octets between min_key_size and 16. */
  ble_gap_sec_kdist_t   kdist_own;                 /**< Key distribution bitmap: keys that the local device will distribute. */
  ble_gap_sec_kdist_t   kdist_peer;                /**< Key distribution bitmap: keys that the remote device will distribute. */
} ble_gap_sec_params_t;


/**@brief GAP Encryption Information. */
typedef struct
{
  uint8_t   ltk[BLE_GAP_SEC_KEY_LEN];   /**< Long Term Key. */
  uint8_t   lesc : 1;                   /**< Key generated using LE Secure Connections. */
  uint8_t   auth : 1;                   /**< Authenticated Key. */
  uint8_t   ltk_len : 6;                /**< LTK length in octets. */
} ble_gap_enc_info_t;


/**@brief GAP Master Identification. */
typedef struct
{
  uint16_t  ediv;                       /**< Encrypted Diversifier. */
  uint8_t   rand[BLE_GAP_SEC_RAND_LEN]; /**< Random Number. */
} ble_gap_master_id_t;


/**@brief GAP Signing Information. */
typedef struct
{
  uint8_t   csrk[BLE_GAP_SEC_KEY_LEN];        /**< Connection Signature Resolving Key. */
} ble_gap_sign_info_t;


/**@brief GAP LE Secure Connections P-256 Public Key. */
typedef struct
{
  uint8_t   pk[BLE_GAP_LESC_P256_PK_LEN];        /**< LE Secure Connections Elliptic Curve Diffie-Hellman P-256 Public Key. Stored in the standard SMP protocol format: {X,Y} both in little-endian. */
} ble_gap_lesc_p256_pk_t;


/**@brief GAP LE Secure Connections DHKey. */
typedef struct
{
  uint8_t   key[BLE_GAP_LESC_DHKEY_LEN];        /**< LE Secure Connections Elliptic Curve Diffie-Hellman Key. Stored in little-endian. */
} ble_gap_lesc_dhkey_t;


/**@brief GAP LE Secure Connections OOB data. */
typedef struct
{
  ble_gap_addr_t  addr;                          /**< Bluetooth address of the device. */
  uint8_t         r[BLE_GAP_SEC_KEY_LEN];        /**< Random Number. */
  uint8_t         c[BLE_GAP_SEC_KEY_LEN];        /**< Confirm Value. */
} ble_gap_lesc_oob_data_t;


/**@brief Event structure for @ref BLE_GAP_EVT_CONNECTED. */
typedef struct
{
  ble_gap_addr_t        peer_addr;              /**< Bluetooth address of the peer device. If the peer_addr resolved: @ref ble_gap_addr_t::addr_id_peer is set to 1
                                                     and the address is the device's identity address. */
  uint8_t               role;                   /**< BLE role for this connection, see @ref BLE_GAP_ROLES */
  ble_gap_conn_params_t conn_params;            /**< GAP Connection Parameters. */
} ble_gap_evt_connected_t;


/**@brief Event structure for @ref BLE_GAP_EVT_DISCONNECTED. */
typedef struct
{
  uint8_t reason;                               /**< HCI error code, see @ref BLE_HCI_STATUS_CODES. */
} ble_gap_evt_disconnected_t;


/**@brief Event structure for @ref BLE_GAP_EVT_CONN_PARAM_UPDATE. */
typedef struct
{
  ble_gap_conn_params_t conn_params;            /**<  GAP Connection Parameters. */
} ble_gap_evt_conn_param_update_t;

/**@brief Event Structure for @ref BLE_GAP_EVT_PHY_UPDATE. */
typedef struct
{
  uint8_t status;                               /**< Status of the procedure, see @ref BLE_HCI_STATUS_CODES */
  uint8_t tx_phy;                               /**< TX PHY for this connection, see @ref BLE_GAP_PHYS. */
  uint8_t rx_phy;                               /**< RX PHY for this connection, see @ref BLE_GAP_PHYS. */
} ble_gap_evt_phy_update_t;

/**@brief Event structure for @ref BLE_GAP_EVT_SEC_PARAMS_REQUEST. */
typedef struct
{
  ble_gap_sec_params_t peer_params;             /**< Initiator Security Parameters. */
} ble_gap_evt_sec_params_request_t;


/**@brief Event structure for @ref BLE_GAP_EVT_SEC_INFO_REQUEST. */
typedef struct
{
  ble_gap_addr_t      peer_addr;                     /**< Bluetooth address of the peer device. */
  ble_gap_master_id_t master_id;                     /**< Master Identification for LTK lookup. */
  uint8_t             enc_info  : 1;                 /**< If 1, Encryption Information required. */
  uint8_t             id_info   : 1;                 /**< If 1, Identity Information required. */
  uint8_t             sign_info : 1;                 /**< If 1, Signing Information required. */
} ble_gap_evt_sec_info_request_t;


/**@brief Event structure for @ref BLE_GAP_EVT_PASSKEY_DISPLAY. */
typedef struct
{
  uint8_t passkey[BLE_GAP_PASSKEY_LEN];         /**< 6-digit passkey in ASCII ('0'-'9' digits only). */
  uint8_t match_request : 1;                    /**< If 1 requires the application to report the match using @ref sd_ble_gap_auth_key_reply
                                                     with either @ref BLE_GAP_AUTH_KEY_TYPE_NONE if there is no match or
                                                     @ref BLE_GAP_AUTH_KEY_TYPE_PASSKEY if there is a match. */
} ble_gap_evt_passkey_display_t;

/**@brief Event structure for @ref BLE_GAP_EVT_KEY_PRESSED. */
typedef struct
{
  uint8_t kp_not;         /**< Keypress notification type, see @ref BLE_GAP_KP_NOT_TYPES. */
} ble_gap_evt_key_pressed_t;


/**@brief Event structure for @ref BLE_GAP_EVT_AUTH_KEY_REQUEST. */
typedef struct
{
  uint8_t key_type;                             /**< See @ref BLE_GAP_AUTH_KEY_TYPES. */
} ble_gap_evt_auth_key_request_t;

/**@brief Event structure for @ref BLE_GAP_EVT_LESC_DHKEY_REQUEST. */
typedef struct
{
  ble_gap_lesc_p256_pk_t *p_pk_peer;  /**< LE Secure Connections remote P-256 Public Key. This will point to the application-supplied memory
                                           inside the keyset during the call to @ref sd_ble_gap_sec_params_reply. */
  uint8_t oobd_req       :1;          /**< LESC OOB data required. A call to @ref sd_ble_gap_lesc_oob_data_set is required to complete the procedure. */
} ble_gap_evt_lesc_dhkey_request_t;


/**@brief Security levels supported.
 * @note  See Bluetooth Specification Version 4.2 Volume 3, Part C, Chapter 10, Section 10.2.1.
*/
typedef struct
{
  uint8_t lv1 : 1;                              /**< If 1: Level 1 is supported. */
  uint8_t lv2 : 1;                              /**< If 1: Level 2 is supported. */
  uint8_t lv3 : 1;                              /**< If 1: Level 3 is supported. */
  uint8_t lv4 : 1;                              /**< If 1: Level 4 is supported. */
} ble_gap_sec_levels_t;


/**@brief Encryption Key. */
typedef struct
{
  ble_gap_enc_info_t    enc_info;             /**< Encryption Information. */
  ble_gap_master_id_t   master_id;            /**< Master Identification. */
} ble_gap_enc_key_t;


/**@brief Identity Key. */
typedef struct
{
  ble_gap_irk_t         id_info;              /**< Identity Resolving Key. */
  ble_gap_addr_t        id_addr_info;         /**< Identity Address. */
} ble_gap_id_key_t;


/**@brief Security Keys. */
typedef struct
{
  ble_gap_enc_key_t      *p_enc_key;           /**< Encryption Key, or NULL. */
  ble_gap_id_key_t       *p_id_key;            /**< Identity Key, or NULL. */
  ble_gap_sign_info_t    *p_sign_key;          /**< Signing Key, or NULL. */
  ble_gap_lesc_p256_pk_t *p_pk;                /**< LE Secure Connections P-256 Public Key. When in debug mode the application must use the value defined
                                                    in the Core Bluetooth Specification v4.2 Vol.3, Part H, Section 2.3.5.6.1 */
} ble_gap_sec_keys_t;


/**@brief Security key set for both local and peer keys. */
typedef struct
{
  ble_gap_sec_keys_t            keys_own;     /**< Keys distributed by the local device. For LE Secure Connections the encryption key will be generated locally and will always be stored if bonding. */
  ble_gap_sec_keys_t            keys_peer;    /**< Keys distributed by the remote device. For LE Secure Connections, p_enc_key must always be NULL. */
} ble_gap_sec_keyset_t;


/**@brief Data Length Update Procedure parameters. */
typedef struct
{
  uint16_t max_tx_octets;   /**< Maximum number of payload octets that a Controller supports for transmission of a single Link Layer Data Channel PDU. */
  uint16_t max_rx_octets;   /**< Maximum number of payload octets that a Controller supports for reception of a single Link Layer Data Channel PDU. */
  uint16_t max_tx_time_us;  /**< Maximum time, in microseconds, that a Controller supports for transmission of a single Link Layer Data Channel PDU. */
  uint16_t max_rx_time_us;  /**< Maximum time, in microseconds, that a Controller supports for reception of a single Link Layer Data Channel PDU. */
} ble_gap_data_length_params_t;


/**@brief Data Length Update Procedure local limitation. */
typedef struct
{
  uint16_t tx_payload_limited_octets; /**< If > 0, the requested TX packet length is too long by this many octets. */
  uint16_t rx_payload_limited_octets; /**< If > 0, the requested RX packet length is too long by this many octets. */
  uint16_t tx_rx_time_limited_us;     /**< If > 0, the requested combination of TX and RX packet lengths is too long by this many microseconds. */
} ble_gap_data_length_limitation_t;


/**@brief Event structure for @ref BLE_GAP_EVT_AUTH_STATUS. */
typedef struct
{
  uint8_t               auth_status;            /**< Authentication status, see @ref BLE_GAP_SEC_STATUS. */
  uint8_t               error_src : 2;          /**< On error, source that caused the failure, see @ref BLE_GAP_SEC_STATUS_SOURCES. */
  uint8_t               bonded : 1;             /**< Procedure resulted in a bond. */
  ble_gap_sec_levels_t  sm1_levels;             /**< Levels supported in Security Mode 1. */
  ble_gap_sec_levels_t  sm2_levels;             /**< Levels supported in Security Mode 2. */
  ble_gap_sec_kdist_t   kdist_own;              /**< Bitmap stating which keys were exchanged (distributed) by the local device. If bonding with LE Secure Connections, the enc bit will be always set. */
  ble_gap_sec_kdist_t   kdist_peer;             /**< Bitmap stating which keys were exchanged (distributed) by the remote device. If bonding with LE Secure Connections, the enc bit will never be set. */
} ble_gap_evt_auth_status_t;


/**@brief Event structure for @ref BLE_GAP_EVT_CONN_SEC_UPDATE. */
typedef struct
{
  ble_gap_conn_sec_t conn_sec;                  /**< Connection security level. */
} ble_gap_evt_conn_sec_update_t;


/**@brief Event structure for @ref BLE_GAP_EVT_TIMEOUT. */
typedef struct
{
  uint8_t src;                                  /**< Source of timeout event, see @ref BLE_GAP_TIMEOUT_SOURCES. */
} ble_gap_evt_timeout_t;


/**@brief Event structure for @ref BLE_GAP_EVT_RSSI_CHANGED. */
typedef struct
{
  int8_t  rssi;                               /**< Received Signal Strength Indication in dBm. */
} ble_gap_evt_rssi_changed_t;


/**@brief Event structure for @ref BLE_GAP_EVT_ADV_REPORT. */
typedef struct
{
  ble_gap_addr_t peer_addr;                     /**< Bluetooth address of the peer device. If the peer_addr resolved: @ref ble_gap_addr_t::addr_id_peer is set to 1
                                                     and the address is the device's identity address. */
  ble_gap_addr_t direct_addr;                   /**< Set when the scanner is unable to resolve the private resolvable address of the initiator
                                                     field of a directed advertisement packet and the scanner has been enabled to report this in @ref ble_gap_scan_params_t::adv_dir_report. */
  int8_t         rssi;                          /**< Received Signal Strength Indication in dBm. */
  uint8_t        scan_rsp : 1;                  /**< If 1, the report corresponds to a scan response and the type field may be ignored. */
  uint8_t        type     : 2;                  /**< See @ref BLE_GAP_ADV_TYPES. Only valid if the scan_rsp field is 0. */
  uint8_t        dlen     : 5;                  /**< Advertising or scan response data length. */
  uint8_t        data[BLE_GAP_ADV_MAX_SIZE];    /**< Advertising or scan response data. */
} ble_gap_evt_adv_report_t;


/**@brief Event structure for @ref BLE_GAP_EVT_SEC_REQUEST. */
typedef struct
{
  uint8_t    bond       : 1;                       /**< Perform bonding. */
  uint8_t    mitm       : 1;                       /**< Man In The Middle protection requested. */
  uint8_t    lesc       : 1;                       /**< LE Secure Connections requested. */
  uint8_t    keypress   : 1;                       /**< Generation of keypress notifications requested. */
} ble_gap_evt_sec_request_t;


/**@brief Event structure for @ref BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST. */
typedef struct
{
  ble_gap_conn_params_t conn_params;            /**<  GAP Connection Parameters. */
} ble_gap_evt_conn_param_update_request_t;


/**@brief Event structure for @ref BLE_GAP_EVT_SCAN_REQ_REPORT. */
typedef struct
{
  int8_t                  rssi;              /**< Received Signal Strength Indication in dBm. */
  ble_gap_addr_t          peer_addr;         /**< Bluetooth address of the peer device. If the peer_addr resolved: @ref ble_gap_addr_t::addr_id_peer is set to 1
                                                  and the address is the device's identity address. */
} ble_gap_evt_scan_req_report_t;

/**@brief Event structure for @ref BLE_GAP_EVT_DATA_LENGTH_UPDATE_REQUEST. */
typedef struct
{
  ble_gap_data_length_params_t peer_params; /**< Peer data length parameters. */
} ble_gap_evt_data_length_update_request_t;

/**@brief Event structure for @ref BLE_GAP_EVT_DATA_LENGTH_UPDATE. */
typedef struct
{
  ble_gap_data_length_params_t effective_params;  /**< The effective data length parameters. */
} ble_gap_evt_data_length_update_t;


/**@brief GAP event structure. */
typedef struct
{
  uint16_t conn_handle;                                     /**< Connection Handle on which event occurred. */
  union                                                     /**< union alternative identified by evt_id in enclosing struct. */
  {
    ble_gap_evt_connected_t                   connected;                    /**< Connected Event Parameters. */
    ble_gap_evt_disconnected_t                disconnected;                 /**< Disconnected Event Parameters. */
    ble_gap_evt_conn_param_update_t           conn_param_update;            /**< Connection Parameter Update Parameters. */
    ble_gap_evt_sec_params_request_t          sec_params_request;           /**< Security Parameters Request Event Parameters. */
    ble_gap_evt_sec_info_request_t            sec_info_request;             /**< Security Information Request Event Parameters. */
    ble_gap_evt_passkey_display_t             passkey_display;              /**< Passkey Display Event Parameters. */
    ble_gap_evt_key_pressed_t                 key_pressed;                  /**< Key Pressed Event Parameters. */
    ble_gap_evt_auth_key_request_t            auth_key_request;             /**< Authentication Key Request Event Parameters. */
    ble_gap_evt_lesc_dhkey_request_t          lesc_dhkey_request;           /**< LE Secure Connections DHKey calculation request. */
    ble_gap_evt_auth_status_t                 auth_status;                  /**< Authentication Status Event Parameters. */
    ble_gap_evt_conn_sec_update_t             conn_sec_update;              /**< Connection Security Update Event Parameters. */
    ble_gap_evt_timeout_t                     timeout;                      /**< Timeout Event Parameters. */
    ble_gap_evt_rssi_changed_t                rssi_changed;                 /**< RSSI Event Parameters. */
    ble_gap_evt_adv_report_t                  adv_report;                   /**< Advertising Report Event Parameters. */
    ble_gap_evt_sec_request_t                 sec_request;                  /**< Security Request Event Parameters. */
    ble_gap_evt_conn_param_update_request_t   conn_param_update_request;    /**< Connection Parameter Update Parameters. */
    ble_gap_evt_scan_req_report_t             scan_req_report;              /**< Scan Request Report Parameters. */
    ble_gap_evt_phy_update_t                  phy_update;                   /**< PHY Update Parameters. */
    ble_gap_evt_data_length_update_request_t  data_length_update_request;   /**< Data Length Update Request Event Parameters. */
    ble_gap_evt_data_length_update_t          data_length_update;           /**< Data Length Update Event Parameters. */
  } params;                                                                 /**< Event Parameters. */
} ble_gap_evt_t;


/**
 * @brief BLE GAP connection configuration parameters, set with @ref sd_ble_cfg_set.
 *
 * @retval ::NRF_ERROR_CONN_COUNT     The connection count for the connection configurations is zero.
 * @retval ::NRF_ERROR_INVALID_PARAM  One or more of the following is true:
 *                                    - The sum of conn_count for all connection configurations combined exceeds UINT8_MAX.
 *                                    - The event length is smaller than @ref BLE_GAP_EVENT_LENGTH_MIN.
 */
typedef struct
{
  uint8_t  conn_count;     /**< The number of concurrent connections the application can create with this configuration.
                                The default and minimum value is @ref BLE_GAP_CONN_COUNT_DEFAULT. */
  uint16_t event_length;   /**< The time set aside for this connection on every connection interval in 1.25 ms units.
                                The default value is @ref BLE_GAP_EVENT_LENGTH_DEFAULT, the minimum value is @ref BLE_GAP_EVENT_LENGTH_MIN.
                                The event length and the connection interval are the primary parameters
                                for setting the throughput of a connection.
                                See the SoftDevice Specification for details on throughput. */
} ble_gap_conn_cfg_t;


/**
 * @brief Configuration of maximum concurrent connections in the different connected roles, set with
 * @ref sd_ble_cfg_set.
 *
 * @retval ::NRF_ERROR_CONN_COUNT     The sum of periph_role_count and central_role_count is too
 *                                    large. The maximum supported sum of concurrent connections is
 *                                    @ref BLE_GAP_ROLE_COUNT_COMBINED_MAX.
 * @retval ::NRF_ERROR_INVALID_PARAM  central_sec_count is larger than central_role_count.
 */
typedef struct
{
  uint8_t periph_role_count;  /**< Maximum number of connections concurrently acting as a peripheral. Default value is @ref BLE_GAP_ROLE_COUNT_PERIPH_DEFAULT. */
  uint8_t central_role_count; /**< Maximum number of connections concurrently acting as a central. Default value is @ref BLE_GAP_ROLE_COUNT_CENTRAL_DEFAULT. */
  uint8_t central_sec_count;  /**< Number of SMP instances shared between all connections acting as a central. Default value is @ref BLE_GAP_ROLE_COUNT_CENTRAL_SEC_DEFAULT. */
} ble_gap_cfg_role_count_t;


/**
 * @brief Device name and its properties, set with @ref sd_ble_cfg_set.
 *
 * @note  If the device name is not configured, the default device name will be @ref
 *        BLE_GAP_DEVNAME_DEFAULT, the maximum device name length will be @ref
 *        BLE_GAP_DEVNAME_DEFAULT_LEN, vloc will be set to @ref BLE_GATTS_VLOC_STACK and the device name
 *        will have no write access.
 *
 * @note  If @ref max_len is more than @ref BLE_GAP_DEVNAME_DEFAULT_LEN and vloc is set to @ref BLE_GATTS_VLOC_STACK,
 *        the attribute table size must be increased to have room for the longer device name (see
 *        @ref sd_ble_cfg_set and @ref ble_gatts_cfg_attr_tab_size_t).
 *
 * @note  If vloc is @ref BLE_GATTS_VLOC_STACK :
 *        - p_value must point to non-volatile memory (flash) or be NULL.
 *        - If p_value is NULL, the device name will initially be empty.
 *
 * @note  If vloc is @ref BLE_GATTS_VLOC_USER :
 *        - p_value cannot be NULL.
 *        - If the device name is writable, p_value must point to volatile memory (RAM).
 *
 * @retval ::NRF_ERROR_INVALID_PARAM  One or more of the following is true:
 *                                    - Invalid device name location (vloc).
 *                                    - Invalid device name security mode.
 * @retval ::NRF_ERROR_INVALID_LENGTH One or more of the following is true:
 *                                    - The device name length is invalid (must be between 0 and @ref BLE_GAP_DEVNAME_MAX_LEN).
 *                                    - The device name length is too long for the given Attribute Table.
 * @retval ::NRF_ERROR_NOT_SUPPORTED  Device name security mode is not supported.
 */
typedef struct
{
  ble_gap_conn_sec_mode_t  write_perm;   /**< Write permissions. */
  uint8_t                  vloc:2;       /**< Value location, see @ref BLE_GATTS_VLOCS.*/
  uint8_t                 *p_value;      /**< Pointer to where the value (device name) is stored or will be stored. */
  uint16_t                 current_len;  /**< Current length in bytes of the memory pointed to by p_value.*/
  uint16_t                 max_len;      /**< Maximum length in bytes of the memory pointed to by p_value.*/
} ble_gap_cfg_device_name_t;


/**@brief Configuration structure for GAP configurations. */
typedef union
{
  ble_gap_cfg_role_count_t  role_count_cfg;  /**< Role count configuration, cfg_id is @ref BLE_GAP_CFG_ROLE_COUNT. */
  ble_gap_cfg_device_name_t device_name_cfg; /**< Device name configuration, cfg_id is @ref BLE_GAP_CFG_DEVICE_NAME. */
} ble_gap_cfg_t;


/**@brief Channel Map option.
 *        Used with @ref sd_ble_opt_get to get the current channel map
 *        or @ref sd_ble_opt_set to set a new channel map. When setting the
 *        channel map, it applies to all current and future connections. When getting the
 *        current channel map, it applies to a single connection and the connection handle
 *        must be supplied.
 *
 * @note  Setting the channel map may take some time, depending on connection parameters.
 *        The time taken may be different for each connection and the get operation will
 *        return the previous channel map until the new one has taken effect.
 *
 * @note  After setting the channel map, by spec it can not be set again until at least 1 s has passed.
 *        See Bluetooth Specification Version 4.1 Volume 2, Part E, Section 7.3.46.
 *
 * @retval ::NRF_SUCCESS Get or set successful.
 * @retval ::NRF_ERROR_BUSY Channel map was set again before enough time had passed.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied for get.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Returned by sd_ble_opt_set in peripheral-only SoftDevices.
 *
 */
typedef struct
{
  uint16_t conn_handle;                   /**< Connection Handle (only applicable for get) */
  uint8_t ch_map[5];                      /**< Channel Map (37-bit). */
} ble_gap_opt_ch_map_t;


/**@brief Local connection latency option.
 *
 *        Local connection latency is a feature which enables the slave to improve
 *        current consumption by ignoring the slave latency set by the peer. The
 *        local connection latency can only be set to a multiple of the slave latency,
 *        and cannot be longer than half of the supervision timeout.
 *
 *        Used with @ref sd_ble_opt_set to set the local connection latency. The
 *        @ref sd_ble_opt_get is not supported for this option, but the actual
 *        local connection latency (unless set to NULL) is set as a return parameter
 *        when setting the option.
 *
 * @note  The latency set will be truncated down to the closest slave latency event
 *        multiple, or the nearest multiple before half of the supervision timeout.
 *
 * @note  The local connection latency is disabled by default, and needs to be enabled for new
 *        connections and whenever the connection is updated.
 *
 * @retval ::NRF_SUCCESS Set successfully.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Get is not supported.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle parameter.
 */
typedef struct
{
  uint16_t   conn_handle;                       /**< Connection Handle */
  uint16_t   requested_latency;                 /**< Requested local connection latency. */
  uint16_t * p_actual_latency;                  /**< Pointer to storage for the actual local connection latency (can be set to NULL to skip return value). */
} ble_gap_opt_local_conn_latency_t;

/**@brief Disable slave latency
 *
 * Used with @ref sd_ble_opt_set to temporarily disable slave latency of a peripheral connection (see @ref ble_gap_conn_params_t::slave_latency). And to re-enable it again.
 * When disabled, the peripheral will ignore the slave_latency set by the central.
 *
 * @note  Shall only be called on peripheral links.
 *
 * @retval ::NRF_SUCCESS Set successfully.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Get is not supported.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle parameter.
 */
typedef struct
{
  uint16_t   conn_handle;    /**< Connection Handle */
  uint8_t    disable : 1;    /**< Set to 1 to disable slave latency. Set to 0 enable it again.*/
} ble_gap_opt_slave_latency_disable_t;

/**@brief Passkey Option.
 *
 *        Structure containing the passkey to be used during pairing. This can be used with @ref
 *        sd_ble_opt_set to make the SoftDevice use a preprogrammed passkey for authentication
 *        instead of generating a random one.
 *
 * @note  Repeated pairing attempts using the same preprogrammed passkey makes pairing vulnerable to MITM attacks.
 *
 * @note  @ref sd_ble_opt_get is not supported for this option.
 *
 */
typedef struct
{
  uint8_t const * p_passkey;                    /**< Pointer to 6-digit ASCII string (digit 0..9 only, no NULL termination) passkey to be used during pairing. If this is NULL, the SoftDevice will generate a random passkey if required.*/
} ble_gap_opt_passkey_t;


/**@brief Scan request report option.
 *
 *        This can be used with @ref sd_ble_opt_set to make the SoftDevice send
 *        @ref BLE_GAP_EVT_SCAN_REQ_REPORT events.
 *
 * @note  Due to the limited space reserved for scan request report events,
 *        not all received scan requests will be reported.
 *
 * @note  If whitelisting is used, only whitelisted requests are reported.
 *
 * @retval ::NRF_SUCCESS Set successfully.
 * @retval ::NRF_ERROR_INVALID_STATE When advertising is ongoing while the option is set.
 */
typedef struct
{
  uint8_t enable : 1; /**< Enable scan request reports. */
} ble_gap_opt_scan_req_report_t;

/**@brief Compatibility mode 1 option.
 *
 *        This can be used with @ref sd_ble_opt_set to enable and disable
 *        compatibility mode 1. Compatibility mode 1 is disabled by default.
 *
 *  @note  Compatibility mode 1 enables interoperability with devices that do not support
 *         a value of 0 for the WinOffset parameter in the Link Layer CONNECT_REQ packet.
 *
 *  @retval ::NRF_SUCCESS Set successfully.
 *  @retval ::NRF_ERROR_INVALID_STATE When connection creation is ongoing while mode 1 is set.
 */
typedef struct
{
   uint8_t enable : 1;                           /**< Enable compatibility mode 1.*/
} ble_gap_opt_compat_mode_1_t;

/**@brief Compatibility mode 2 option.
 *
 *        This can be used with @ref sd_ble_opt_set to enable compatibility mode 2.
 *        Compatibility mode 2 is disabled by default.
 *
 *  @note  Compatibility mode 2 enables interoperability with devices that initiate Feature exchange
 *         and version exchange procedure in parallel.
 *
 *  @retval ::NRF_SUCCESS Set successfully.
 *  @retval ::NRF_ERROR_INVALID_PARAM if enable bit is not set to 1. Currently only enabling is supported.
 *  @retval ::NRF_ERROR_INVALID_STATE When any role is running while mode 2 is set.
 */
typedef struct
{
   uint8_t enable : 1;                           /**< Enable compatibility mode 2.*/
} ble_gap_opt_compat_mode_2_t;


/**@brief Authenticated payload timeout option.
 *
 *        This can be used with @ref sd_ble_opt_set to change the Authenticated payload timeout to a value other than the default of 8 minutes.
 *
 * @note  The authenticated payload timeout event ::BLE_GAP_TIMEOUT_SRC_AUTH_PAYLOAD will be generated
 *        if auth_payload_timeout time has elapsed without receiving a packet with a valid MIC on an encrypted
 *        link.
 *
 * @note  The LE ping procedure will be initiated before the timer expires to give the peer a chance
 *        to reset the timer. In addition the stack will try to prioritize running of LE ping over other
 *        activities to increase chances of finishing LE ping before timer expires. To avoid side-effects
 *        on other activities, it is recommended to use high timeout values.
 *        Recommended timeout > 2*(connInterval * (6 + connSlaveLatency)).
 *
 * @retval ::NRF_SUCCESS Set successfully.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied. auth_payload_timeout was outside of allowed range.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle parameter.
 */
typedef struct
{
  uint16_t   conn_handle;                       /**< Connection Handle */
  uint16_t   auth_payload_timeout;              /**< Requested timeout in 10 ms unit. Maximum is 48 000 (=480 000 ms =8 min). Minimum is 1 (=10 ms). */
} ble_gap_opt_auth_payload_timeout_t;

/**@brief Preferred PHY option
 *
 * @details This can be used with @ref sd_ble_opt_set to change the preferred PHYs. Before this function is called the PHYs
 * for peer initiated PHY Update procedure is @ref BLE_GAP_PHY_1MBPS. If @ref ble_gap_opt_preferred_phys_t::tx_phys or
 * @ref ble_gap_opt_preferred_phys_t::rx_phys is 0, then the stack will select PHYs based on the peer requirements on that specific direction.
 *
 * @note The preferred PHYs are only valid for newly created connections after this option is called. If the PHYs should be
 * changed for an existing link the @ref sd_ble_gap_phy_request would have to be called, and that would try to update the
 * PHYs for the given link.
 *
 * @note tx_phys and rx_phys are bitfields, to indicate multiple preferred PHYs for each direction they can be ORed together.
 * @code
 * tx_phys = BLE_GAP_PHY_1MBPS | BLE_GAP_PHY_2MBPS;
 * rx_phys = BLE_GAP_PHY_1MBPS | BLE_GAP_PHY_2MBPS;
 * @endcode
 *
 * @events
 * @event{@ref BLE_GAP_EVT_PHY_UPDATE, Result of the PHY Update if initiated by peer.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_PHY_REQUEST}
 * @mmsc{@ref BLE_GAP_PERIPHERAL_PHY_REQUEST}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS Set successfully.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 */
typedef struct
{
  uint8_t  tx_phys;     /**< Preferred transmit PHYs, see @ref BLE_GAP_PHYS. */
  uint8_t  rx_phys;     /**< Preferred receive PHYs, see @ref BLE_GAP_PHYS. */
} ble_gap_opt_preferred_phys_t;

/**@brief Option structure for GAP options. */
typedef union
{
  ble_gap_opt_ch_map_t                  ch_map;                    /**< Parameters for the Channel Map option. */
  ble_gap_opt_local_conn_latency_t      local_conn_latency;        /**< Parameters for the Local connection latency option */
  ble_gap_opt_passkey_t                 passkey;                   /**< Parameters for the Passkey option.*/
  ble_gap_opt_scan_req_report_t         scan_req_report;           /**< Parameters for the scan request report option.*/
  ble_gap_opt_compat_mode_1_t           compat_mode_1;             /**< Parameters for the compatibility mode 1 option.*/
  ble_gap_opt_compat_mode_2_t           compat_mode_2;             /**< Parameters for the compatibility mode 2 option.*/
  ble_gap_opt_auth_payload_timeout_t    auth_payload_timeout;      /**< Parameters for the authenticated payload timeout option.*/
  ble_gap_opt_preferred_phys_t          preferred_phys;            /**< Parameters for the preferred PHYs option. */
  ble_gap_opt_slave_latency_disable_t   slave_latency_disable;     /**< Parameters for the Disable slave latency option */
} ble_gap_opt_t;
/**@} */


/**@addtogroup BLE_GAP_FUNCTIONS Functions
 * @{ */

/**@brief Set the local Bluetooth identity address.
 *
 *        The local Bluetooth identity address is the address that identifies this device to other peers.
 *        The address type must be either @ref BLE_GAP_ADDR_TYPE_PUBLIC or @ref BLE_GAP_ADDR_TYPE_RANDOM_STATIC.
 *        The identity address cannot be changed while roles are running.
 *
 * @note  This address will be distributed to the peer during bonding.
 *        If the address changes, the address stored in the peer device will not be valid and the ability to
 *        reconnect using the old address will be lost.
 *
 * @note  By default the SoftDevice will set an address of type @ref BLE_GAP_ADDR_TYPE_RANDOM_STATIC upon being
 *        enabled. The address is a random number populated during the IC manufacturing process and remains unchanged
 *        for the lifetime of each IC.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @endmscs
 *
 * @param[in] p_addr Pointer to address structure.
 *
 * @retval ::NRF_SUCCESS Address successfully set.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR Invalid address.
 * @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry.
 * @retval ::NRF_ERROR_INVALID_STATE The identity address cannot be changed while the roles are running.
 */
SVCALL(SD_BLE_GAP_ADDR_SET, uint32_t, sd_ble_gap_addr_set(ble_gap_addr_t const *p_addr));


/**@brief Get local Bluetooth identity address.
 *
 * @note  This will always return the identity address irrespective of the privacy settings,
 *        i.e. the address type will always be either @ref BLE_GAP_ADDR_TYPE_PUBLIC or @ref BLE_GAP_ADDR_TYPE_RANDOM_STATIC.
 *
 * @param[out] p_addr Pointer to address structure to be filled in.
 *
 * @retval ::NRF_SUCCESS Address successfully retrieved.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid or NULL pointer supplied.
 */
SVCALL(SD_BLE_GAP_ADDR_GET, uint32_t, sd_ble_gap_addr_get(ble_gap_addr_t *p_addr));


/**@brief Set the active whitelist in the SoftDevice.
 *
 * @note  Only one whitelist can be used at a time and the whitelist is shared between the BLE roles.
 *        The whitelist cannot be set if a BLE role is using the whitelist.
 *
 * @note  If an address is resolved using the information in the device identity list, then the whitelist
 *        filter policy applies to the peer identity address and not the resolvable address sent on air.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_SCAN_PRIVATE_SCAN_MSC}
 * @endmscs
 *
 * @param[in] pp_wl_addrs Pointer to a whitelist of peer addresses, if NULL the whitelist will be cleared.
 * @param[in] len         Length of the whitelist, maximum @ref BLE_GAP_WHITELIST_ADDR_MAX_COUNT.
 *
 * @retval ::NRF_SUCCESS The whitelist is successfully set/cleared.
 * @retval ::NRF_ERROR_INVALID_ADDR The whitelist (or one of its entries) provided is invalid.
 * @retval ::BLE_ERROR_GAP_WHITELIST_IN_USE The whitelist is in use by a BLE role and cannot be set or cleared.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR Invalid address type is supplied.
 * @retval ::NRF_ERROR_DATA_SIZE The given whitelist size is invalid (zero or too large); this can only return when
 *                               pp_wl_addrs is not NULL.
 */
SVCALL(SD_BLE_GAP_WHITELIST_SET, uint32_t, sd_ble_gap_whitelist_set(ble_gap_addr_t const * const * pp_wl_addrs, uint8_t len));


/**@brief Set device identity list.
 *
 * @note  Only one device identity list can be used at a time and the list is shared between the BLE roles.
 *        The device identity list cannot be set if a BLE role is using the list.
 *
 * @param[in] pp_id_keys     Pointer to an array of peer identity addresses and peer IRKs, if NULL the device identity list will be cleared.
 * @param[in] pp_local_irks  Pointer to an array of local IRKs. Each entry in the array maps to the entry in pp_id_keys at the same index.
 *                           To fill in the list with the currently set device IRK for all peers, set to NULL.
 * @param[in] len            Length of the device identity list, maximum @ref BLE_GAP_DEVICE_IDENTITIES_MAX_COUNT.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PRIVACY_ADV_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_SCAN_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_SCAN_PRIVATE_SCAN_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_ADV_DIR_PRIV_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_CONN_PRIV_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_CONN_PRIV_MSC}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS The device identity list successfully set/cleared.
 * @retval ::NRF_ERROR_INVALID_ADDR The device identity list (or one of its entries) provided is invalid.
 *                                  This code may be returned if the local IRK list also has an invalid entry.
 * @retval ::BLE_ERROR_GAP_DEVICE_IDENTITIES_IN_USE The device identity list is in use and cannot be set or cleared.
 * @retval ::BLE_ERROR_GAP_DEVICE_IDENTITIES_DUPLICATE The device identity list contains multiple entries with the same identity address.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR Invalid address type is supplied.
 * @retval ::NRF_ERROR_DATA_SIZE The given device identity list size invalid (zero or too large); this can
 *                               only return when pp_id_keys is not NULL.
 */
SVCALL(SD_BLE_GAP_DEVICE_IDENTITIES_SET, uint32_t, sd_ble_gap_device_identities_set(ble_gap_id_key_t const * const * pp_id_keys, ble_gap_irk_t const * const * pp_local_irks, uint8_t len));


/**@brief Set privacy settings.
 *
 * @note  Privacy settings cannot be set while BLE roles are running.
 *
 * @param[in] p_privacy_params Privacy settings.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PRIVACY_ADV_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_SCAN_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_ADV_DIR_PRIV_MSC}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS Set successfully.
 * @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR Invalid address type is supplied.
 * @retval ::NRF_ERROR_INVALID_ADDR The pointer to privacy settings is NULL or invalid.
 *                                  Otherwise, the p_device_irk pointer in privacy parameter is an invalid pointer.
 * @retval ::NRF_ERROR_INVALID_PARAM Out of range parameters are provided.
 * @retval ::NRF_ERROR_INVALID_STATE Privacy settings cannot be changed while BLE roles using privacy are enabled.
 */
SVCALL(SD_BLE_GAP_PRIVACY_SET, uint32_t, sd_ble_gap_privacy_set(ble_gap_privacy_params_t const *p_privacy_params));


/**@brief Get privacy settings.
 *
 * @note  The privacy settings returned include the current device irk as well.
 *
 * @param[in] p_privacy_params Privacy settings.
 *
 * @retval ::NRF_SUCCESS            Privacy settings read.
 * @retval ::NRF_ERROR_INVALID_ADDR The pointer given for returning the privacy settings may be NULL or invalid.
 *                                  Otherwise, the p_device_irk pointer in privacy parameter is an invalid pointer.
 */
SVCALL(SD_BLE_GAP_PRIVACY_GET, uint32_t, sd_ble_gap_privacy_get(ble_gap_privacy_params_t *p_privacy_params));


/**@brief Set, clear or update advertising and scan response data.
 *
 * @note  The format of the advertising data will be checked by this call to ensure interoperability.
 *        Limitations imposed by this API call to the data provided include having a flags data type in the scan response data and
 *        duplicating the local name in the advertising data and scan response data.
 *
 * @note  To clear the advertising data and set it to a 0-length packet, simply provide a valid pointer (p_data/p_sr_data) with its corresponding
 *        length (dlen/srdlen) set to 0.
 *
 * @note The call will fail if p_data and p_sr_data are both NULL since this would have no effect.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @endmscs
 *
 * @param[in] p_data    Raw data to be placed in advertising packet. If NULL, no changes are made to the current advertising packet data.
 * @param[in] dlen      Data length for p_data. Max size: @ref BLE_GAP_ADV_MAX_SIZE octets. Should be 0 if p_data is NULL, can be 0 if p_data is not NULL.
 * @param[in] p_sr_data Raw data to be placed in scan response packet. If NULL, no changes are made to the current scan response packet data.
 * @param[in] srdlen    Data length for p_sr_data. Max size: @ref BLE_GAP_ADV_MAX_SIZE octets. Should be 0 if p_sr_data is NULL, can be 0 if p_data is not NULL.
 *
 * @retval ::NRF_SUCCESS Advertising data successfully updated or cleared.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, both p_data and p_sr_data cannot be NULL.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_FLAGS Invalid combination of advertising flags supplied.
 * @retval ::NRF_ERROR_INVALID_DATA Invalid data type(s) supplied, check the advertising data format specification.
 * @retval ::NRF_ERROR_INVALID_LENGTH Invalid data length(s) supplied.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Unsupported data type.
 * @retval ::BLE_ERROR_GAP_UUID_LIST_MISMATCH Invalid UUID list supplied.
 */
SVCALL(SD_BLE_GAP_ADV_DATA_SET, uint32_t, sd_ble_gap_adv_data_set(uint8_t const *p_data, uint8_t dlen, uint8_t const *p_sr_data, uint8_t srdlen));


/**@brief Start advertising (GAP Discoverable, Connectable modes, Broadcast Procedure).
 *
 * @note  An application can start an advertising procedure for broadcasting purposes while a connection
 *        is active. After a @ref BLE_GAP_EVT_CONNECTED event is received, this function may therefore
 *        be called to start a broadcast advertising procedure. The advertising procedure
 *        cannot however be connectable (it must be of type @ref BLE_GAP_ADV_TYPE_ADV_SCAN_IND or
 *        @ref BLE_GAP_ADV_TYPE_ADV_NONCONN_IND). @note Only one advertiser may be active at any time.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_CONNECTED, Generated after connection has been established through connectable advertising.}
 * @event{@ref BLE_GAP_EVT_TIMEOUT, Advertisement has timed out.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_CONN_PRIV_MSC}
 * @mmsc{@ref BLE_GAP_PRIVACY_ADV_DIR_PRIV_MSC}
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @endmscs
 *
 * @param[in] p_adv_params Pointer to advertising parameters structure.
 * @param[in] conn_cfg_tag Tag identifying a configuration set by @ref sd_ble_cfg_set or @ref
 *                         BLE_CONN_CFG_TAG_DEFAULT to use the default connection configuration.
 *
 * @retval ::NRF_SUCCESS The BLE stack has started advertising.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::NRF_ERROR_CONN_COUNT The limit of available connections has been reached; connectable advertiser cannot be started.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, check the accepted ranges and limits.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR Invalid Bluetooth address supplied.
 * @retval ::BLE_ERROR_GAP_DISCOVERABLE_WITH_WHITELIST Discoverable mode and whitelist incompatible.
 * @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry.
 * @retval ::NRF_ERROR_RESOURCES Not enough BLE role slots available.
 *                               Stop one or more currently active roles (Central, Peripheral or Observer) and try again
 */
SVCALL(SD_BLE_GAP_ADV_START, uint32_t, sd_ble_gap_adv_start(ble_gap_adv_params_t const *p_adv_params, uint8_t conn_cfg_tag));


/**@brief Stop advertising (GAP Discoverable, Connectable modes, Broadcast Procedure).
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS The BLE stack has stopped advertising.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation (most probably not in advertising state).
 */
SVCALL(SD_BLE_GAP_ADV_STOP, uint32_t, sd_ble_gap_adv_stop(void));



/**@brief Update connection parameters.
 *
 * @details In the central role this will initiate a Link Layer connection parameter update procedure,
 *          otherwise in the peripheral role, this will send the corresponding L2CAP request and wait for
 *          the central to perform the procedure. In both cases, and regardless of success or failure, the application
 *          will be informed of the result with a @ref BLE_GAP_EVT_CONN_PARAM_UPDATE event.
 *
 * @details This function can be used as a central both to reply to a @ref BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST or to start the procedure unrequested.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_CONN_PARAM_UPDATE, Result of the connection parameter update procedure.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CPU_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_ENC_AUTH_MUTEX_MSC}
 * @mmsc{@ref BLE_GAP_MULTILINK_CPU_MSC}
 * @mmsc{@ref BLE_GAP_MULTILINK_CTRL_PROC_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_CPU_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] p_conn_params  Pointer to desired connection parameters. If NULL is provided on a peripheral role,
 *                           the parameters in the PPCP characteristic of the GAP service will be used instead.
 *                           If NULL is provided on a central role and in response to a @ref BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST, the peripheral request will be rejected
 *
 * @retval ::NRF_SUCCESS The Connection Update procedure has been started successfully.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied, check parameter limits and constraints.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::NRF_ERROR_BUSY Procedure already in progress or not allowed at this time, process pending events and wait for pending procedures to complete and retry.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_NO_MEM Not enough memory to complete operation.
 */
SVCALL(SD_BLE_GAP_CONN_PARAM_UPDATE, uint32_t, sd_ble_gap_conn_param_update(uint16_t conn_handle, ble_gap_conn_params_t const *p_conn_params));


/**@brief Disconnect (GAP Link Termination).
 *
 * @details This call initiates the disconnection procedure, and its completion will be communicated to the application
 *          with a @ref BLE_GAP_EVT_DISCONNECTED event.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_DISCONNECTED, Generated when disconnection procedure is complete.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CONN_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] hci_status_code HCI status code, see @ref BLE_HCI_STATUS_CODES (accepted values are @ref BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION and @ref BLE_HCI_CONN_INTERVAL_UNACCEPTABLE).
 *
 * @retval ::NRF_SUCCESS The disconnection procedure has been started successfully.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation (disconnection is already in progress).
 */
SVCALL(SD_BLE_GAP_DISCONNECT, uint32_t, sd_ble_gap_disconnect(uint16_t conn_handle, uint8_t hci_status_code));


/**@brief Set the radio's transmit power.
 *
 * @param[in] tx_power Radio transmit power in dBm (accepted values are -40, -20, -16, -12, -8, -4, 0, 2, 3, 4, 5, 6, 7, 8 and 9 dBm).
 *
 * @note The -40dBm, -20dBm, -16dBm, -12dBm, -8dBm, -4dBm, 0dBm, +2dBm, +3dBm, +4dBm, +5dBm, +6dBm, +7dBm, +8dBm and +9dBm settings are available on nRF52840 series ICs.
 * @note The -40dBm, -20dBm, -16dBm, -12dBm, -8dBm, -4dBm, 0dBm, +3dBm and +4dBm settings are available on nRF52 series ICs.
 *
 * @retval ::NRF_SUCCESS Successfully changed the transmit power.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 */
SVCALL(SD_BLE_GAP_TX_POWER_SET, uint32_t, sd_ble_gap_tx_power_set(int8_t tx_power));


/**@brief Set GAP Appearance value.
 *
 * @param[in] appearance Appearance (16-bit), see @ref BLE_APPEARANCES.
 *
 * @retval ::NRF_SUCCESS  Appearance value set successfully.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 */
SVCALL(SD_BLE_GAP_APPEARANCE_SET, uint32_t, sd_ble_gap_appearance_set(uint16_t appearance));


/**@brief Get GAP Appearance value.
 *
 * @param[out] p_appearance Pointer to appearance (16-bit) to be filled in, see @ref BLE_APPEARANCES.
 *
 * @retval ::NRF_SUCCESS Appearance value retrieved successfully.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 */
SVCALL(SD_BLE_GAP_APPEARANCE_GET, uint32_t, sd_ble_gap_appearance_get(uint16_t *p_appearance));


/**@brief Set GAP Peripheral Preferred Connection Parameters.
 *
 * @param[in] p_conn_params Pointer to a @ref ble_gap_conn_params_t structure with the desired parameters.
 *
 * @retval ::NRF_SUCCESS Peripheral Preferred Connection Parameters set successfully.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 */
SVCALL(SD_BLE_GAP_PPCP_SET, uint32_t, sd_ble_gap_ppcp_set(ble_gap_conn_params_t const *p_conn_params));


/**@brief Get GAP Peripheral Preferred Connection Parameters.
 *
 * @param[out] p_conn_params Pointer to a @ref ble_gap_conn_params_t structure where the parameters will be stored.
 *
 * @retval ::NRF_SUCCESS Peripheral Preferred Connection Parameters retrieved successfully.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 */
SVCALL(SD_BLE_GAP_PPCP_GET, uint32_t, sd_ble_gap_ppcp_get(ble_gap_conn_params_t *p_conn_params));


/**@brief Set GAP device name.
 *
 * @note  If the device name is located in application flash memory (see @ref ble_gap_cfg_device_name_t),
 *        it cannot be changed. Then @ref NRF_ERROR_FORBIDDEN will be returned.
 *
 * @param[in] p_write_perm Write permissions for the Device Name characteristic, see @ref ble_gap_conn_sec_mode_t.
 * @param[in] p_dev_name Pointer to a UTF-8 encoded, <b>non NULL-terminated</b> string.
 * @param[in] len Length of the UTF-8, <b>non NULL-terminated</b> string pointed to by p_dev_name in octets (must be smaller or equal than @ref BLE_GAP_DEVNAME_MAX_LEN).
 *
 * @retval ::NRF_SUCCESS GAP device name and permissions set successfully.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied.
 * @retval ::NRF_ERROR_FORBIDDEN Device name is not writable.
 */
SVCALL(SD_BLE_GAP_DEVICE_NAME_SET, uint32_t, sd_ble_gap_device_name_set(ble_gap_conn_sec_mode_t const *p_write_perm, uint8_t const *p_dev_name, uint16_t len));


/**@brief Get GAP device name.
 *
 * @note  If the device name is longer than the size of the supplied buffer,
 *        p_len will return the complete device name length,
 *        and not the number of bytes actually returned in p_dev_name.
 *        The application may use this information to allocate a suitable buffer size.
 *
 * @param[out]    p_dev_name Pointer to an empty buffer where the UTF-8 <b>non NULL-terminated</b> string will be placed. Set to NULL to obtain the complete device name length.
 * @param[in,out] p_len      Length of the buffer pointed by p_dev_name, complete device name length on output.
 *
 * @retval ::NRF_SUCCESS GAP device name retrieved successfully.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied.
 */
SVCALL(SD_BLE_GAP_DEVICE_NAME_GET, uint32_t, sd_ble_gap_device_name_get(uint8_t *p_dev_name, uint16_t *p_len));


/**@brief Initiate the GAP Authentication procedure.
 *
 * @details In the central role, this function will send an SMP Pairing Request (or an SMP Pairing Failed if rejected),
 *          otherwise in the peripheral role, an SMP Security Request will be sent.
 *
 * @events
 * @event{Depending on the security parameters set and the packet exchanges with the peer\, the following events may be generated:}
 * @event{@ref BLE_GAP_EVT_SEC_PARAMS_REQUEST}
 * @event{@ref BLE_GAP_EVT_SEC_INFO_REQUEST}
 * @event{@ref BLE_GAP_EVT_PASSKEY_DISPLAY}
 * @event{@ref BLE_GAP_EVT_KEY_PRESSED}
 * @event{@ref BLE_GAP_EVT_AUTH_KEY_REQUEST}
 * @event{@ref BLE_GAP_EVT_LESC_DHKEY_REQUEST}
 * @event{@ref BLE_GAP_EVT_CONN_SEC_UPDATE}
 * @event{@ref BLE_GAP_EVT_AUTH_STATUS}
 * @event{@ref BLE_GAP_EVT_TIMEOUT}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_SEC_REQ_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_SEC_REQ_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_ENC_AUTH_MUTEX_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_PK_PERIPH_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_PK_PERIPH_OOB_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_PD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_OOB_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] p_sec_params Pointer to the @ref ble_gap_sec_params_t structure with the security parameters to be used during the pairing or bonding procedure.
 *                         In the peripheral role, only the bond, mitm, lesc and keypress fields of this structure are used.
 *                         In the central role, this pointer may be NULL to reject a Security Request.
 *
 * @retval ::NRF_SUCCESS Successfully initiated authentication procedure.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry.
 * @retval ::NRF_ERROR_NO_MEM The maximum number of authentication procedures that can run in parallel for the given role is reached.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Setting of sign or link fields in @ref ble_gap_sec_kdist_t not supported.
 * @retval ::NRF_ERROR_TIMEOUT A SMP timeout has occurred, and further SMP operations on this link is prohibited.
 */
SVCALL(SD_BLE_GAP_AUTHENTICATE, uint32_t, sd_ble_gap_authenticate(uint16_t conn_handle, ble_gap_sec_params_t const *p_sec_params));


/**@brief Reply with GAP security parameters.
 *
 * @details This function is only used to reply to a @ref BLE_GAP_EVT_SEC_PARAMS_REQUEST, calling it at other times will result in an @ref NRF_ERROR_INVALID_STATE.
 * @note    If the call returns an error code, the request is still pending, and the reply call may be repeated with corrected parameters.
 *
 * @events
 * @event{This function is used during authentication procedures\, see the list of events in the documentation of @ref sd_ble_gap_authenticate.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_BONDING_JW_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_BONDING_PK_PERIPH_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_BONDING_PK_CENTRAL_OOB_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_BONDING_STATIC_PK_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_PAIRING_CONFIRM_FAIL_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_PKE_PD_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_OOB_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_PAIRING_KS_TOO_SMALL_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_PAIRING_APP_ERROR_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_PAIRING_REMOTE_PAIRING_FAIL_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_PAIRING_TIMEOUT_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_PK_PERIPH_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_PK_PERIPH_OOB_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_PD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_OOB_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] sec_status Security status, see @ref BLE_GAP_SEC_STATUS.
 * @param[in] p_sec_params Pointer to a @ref ble_gap_sec_params_t security parameters structure. In the central role this must be set to NULL, as the parameters have
 *                         already been provided during a previous call to @ref sd_ble_gap_authenticate.
 * @param[in,out] p_sec_keyset Pointer to a @ref ble_gap_sec_keyset_t security keyset structure. Any keys generated and/or distributed as a result of the ongoing security procedure
 *                         will be stored into the memory referenced by the pointers inside this structure. The keys will be stored and available to the application
 *                         upon reception of a @ref BLE_GAP_EVT_AUTH_STATUS event.
 *                         Note that the SoftDevice expects the application to provide memory for storing the
 *                         peer's keys. So it must be ensured that the relevant pointers inside this structure are not NULL. The pointers to the local key
 *                         can, however, be NULL, in which case, the local key data will not be available to the application upon reception of the
 *                         @ref BLE_GAP_EVT_AUTH_STATUS event.
 *
 * @retval ::NRF_SUCCESS Successfully accepted security parameter from the application.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Setting of sign or link fields in @ref ble_gap_sec_kdist_t not supported.
 */
SVCALL(SD_BLE_GAP_SEC_PARAMS_REPLY, uint32_t, sd_ble_gap_sec_params_reply(uint16_t conn_handle, uint8_t sec_status, ble_gap_sec_params_t const *p_sec_params, ble_gap_sec_keyset_t const *p_sec_keyset));


/**@brief Reply with an authentication key.
 *
 * @details This function is only used to reply to a @ref BLE_GAP_EVT_AUTH_KEY_REQUEST or a @ref BLE_GAP_EVT_PASSKEY_DISPLAY, calling it at other times will result in an @ref NRF_ERROR_INVALID_STATE.
 * @note    If the call returns an error code, the request is still pending, and the reply call may be repeated with corrected parameters.
 *
 * @events
 * @event{This function is used during authentication procedures\, see the list of events in the documentation of @ref sd_ble_gap_authenticate.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_BONDING_PK_CENTRAL_OOB_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_BONDING_PK_PERIPH_OOB_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_CD_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] key_type See @ref BLE_GAP_AUTH_KEY_TYPES.
 * @param[in] p_key If key type is @ref BLE_GAP_AUTH_KEY_TYPE_NONE, then NULL.
 *                  If key type is @ref BLE_GAP_AUTH_KEY_TYPE_PASSKEY, then a 6-byte ASCII string (digit 0..9 only, no NULL termination)
 *                     or NULL when confirming LE Secure Connections Numeric Comparison.
 *                  If key type is @ref BLE_GAP_AUTH_KEY_TYPE_OOB, then a 16-byte OOB key value in little-endian format.
 *
 * @retval ::NRF_SUCCESS Authentication key successfully set.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_AUTH_KEY_REPLY, uint32_t, sd_ble_gap_auth_key_reply(uint16_t conn_handle, uint8_t key_type, uint8_t const *p_key));

/**@brief Reply with an LE Secure connections DHKey.
 *
 * @details This function is only used to reply to a @ref BLE_GAP_EVT_LESC_DHKEY_REQUEST, calling it at other times will result in an @ref NRF_ERROR_INVALID_STATE.
 * @note    If the call returns an error code, the request is still pending, and the reply call may be repeated with corrected parameters.
 *
 * @events
 * @event{This function is used during authentication procedures\, see the list of events in the documentation of @ref sd_ble_gap_authenticate.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_PKE_PD_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_OOB_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_PAIRING_JW_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_NC_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_PD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_OOB_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] p_dhkey LE Secure Connections DHKey.
 *
 * @retval ::NRF_SUCCESS DHKey successfully set.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_LESC_DHKEY_REPLY, uint32_t, sd_ble_gap_lesc_dhkey_reply(uint16_t conn_handle, ble_gap_lesc_dhkey_t const *p_dhkey));

/**@brief Notify the peer of a local keypress.
 *
 * @details This function can only be used when an authentication procedure using LE Secure Connection is in progress. Calling it at other times will result in an @ref NRF_ERROR_INVALID_STATE.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_PKE_CD_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_PKE_CD_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] kp_not See @ref BLE_GAP_KP_NOT_TYPES.
 *
 * @retval ::NRF_SUCCESS Keypress notification successfully queued for transmission.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation. Either not entering a passkey or keypresses have not been enabled by both peers.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_BUSY The BLE stack is busy. Retry at later time.
 */
SVCALL(SD_BLE_GAP_KEYPRESS_NOTIFY, uint32_t, sd_ble_gap_keypress_notify(uint16_t conn_handle, uint8_t kp_not));

/**@brief Generate a set of OOB data to send to a peer out of band.
 *
 * @note  The @ref ble_gap_addr_t included in the OOB data returned will be the currently active one (or, if a connection has already been established,
 *        the one used during connection setup). The application may manually overwrite it with an updated value.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_OOB_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_OOB_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle. Can be BLE_CONN_HANDLE_INVALID if a BLE connection has not been established yet.
 * @param[in] p_pk_own LE Secure Connections local P-256 Public Key.
 * @param[out] p_oobd_own The OOB data to be sent out of band to a peer.
 *
 * @retval ::NRF_SUCCESS OOB data successfully generated.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_LESC_OOB_DATA_GET, uint32_t, sd_ble_gap_lesc_oob_data_get(uint16_t conn_handle, ble_gap_lesc_p256_pk_t const *p_pk_own, ble_gap_lesc_oob_data_t *p_oobd_own));

/**@brief Provide the OOB data sent/received out of band.
 *
 * @note  An authentication procedure with OOB selected as an algorithm must be in progress when calling this function.
 * @note  A @ref BLE_GAP_EVT_LESC_DHKEY_REQUEST event with the oobd_req set to 1 must have been received prior to calling this function.
 *
 * @events
 * @event{This function is used during authentication procedures\, see the list of events in the documentation of @ref sd_ble_gap_authenticate.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_LESC_BONDING_OOB_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_LESC_BONDING_OOB_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] p_oobd_own The OOB data sent out of band to a peer or NULL if the peer has not received OOB data.
 *                       Must correspond to @ref ble_gap_sec_params_t::oob flag in @ref BLE_GAP_EVT_SEC_PARAMS_REQUEST.
 * @param[in] p_oobd_peer The OOB data received out of band from a peer or NULL if none received.
 *                        Must correspond to @ref ble_gap_sec_params_t::oob flag in @ref sd_ble_gap_authenticate in the central role
 *                        or @ref sd_ble_gap_sec_params_reply in the peripheral role.
 *
 * @retval ::NRF_SUCCESS OOB data accepted.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_LESC_OOB_DATA_SET, uint32_t, sd_ble_gap_lesc_oob_data_set(uint16_t conn_handle, ble_gap_lesc_oob_data_t const *p_oobd_own, ble_gap_lesc_oob_data_t const *p_oobd_peer));

/**@brief Initiate GAP Encryption procedure.
 *
 * @details In the central role, this function will initiate the encryption procedure using the encryption information provided.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_CONN_SEC_UPDATE, The connection security has been updated.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_ENC_AUTH_MUTEX_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_ENC_MSC}
 * @mmsc{@ref BLE_GAP_MULTILINK_CTRL_PROC_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_SEC_REQ_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] p_master_id Pointer to a @ref ble_gap_master_id_t master identification structure.
 * @param[in] p_enc_info  Pointer to a @ref ble_gap_enc_info_t encryption information structure.
 *
 * @retval ::NRF_SUCCESS Successfully initiated authentication procedure.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::BLE_ERROR_INVALID_ROLE Operation is not supported in the Peripheral role.
 * @retval ::NRF_ERROR_BUSY Procedure already in progress or not allowed at this time, wait for pending procedures to complete and retry.
 */
SVCALL(SD_BLE_GAP_ENCRYPT, uint32_t, sd_ble_gap_encrypt(uint16_t conn_handle, ble_gap_master_id_t const *p_master_id, ble_gap_enc_info_t const *p_enc_info));


/**@brief Reply with GAP security information.
 *
 * @details This function is only used to reply to a @ref BLE_GAP_EVT_SEC_INFO_REQUEST, calling it at other times will result in @ref NRF_ERROR_INVALID_STATE.
 * @note    If the call returns an error code, the request is still pending, and the reply call may be repeated with corrected parameters.
 * @note    Data signing is not yet supported, and p_sign_info must therefore be NULL.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_ENC_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 * @param[in] p_enc_info Pointer to a @ref ble_gap_enc_info_t encryption information structure. May be NULL to signal none is available.
 * @param[in] p_id_info Pointer to a @ref ble_gap_irk_t identity information structure. May be NULL to signal none is available.
 * @param[in] p_sign_info Pointer to a @ref ble_gap_sign_info_t signing information structure. May be NULL to signal none is available.
 *
 * @retval ::NRF_SUCCESS Successfully accepted security information.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_SEC_INFO_REPLY, uint32_t, sd_ble_gap_sec_info_reply(uint16_t conn_handle, ble_gap_enc_info_t const *p_enc_info, ble_gap_irk_t const *p_id_info, ble_gap_sign_info_t const *p_sign_info));


/**@brief Get the current connection security.
 *
 * @param[in]  conn_handle Connection handle.
 * @param[out] p_conn_sec  Pointer to a @ref ble_gap_conn_sec_t structure to be filled in.
 *
 * @retval ::NRF_SUCCESS Current connection security successfully retrieved.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_CONN_SEC_GET, uint32_t, sd_ble_gap_conn_sec_get(uint16_t conn_handle, ble_gap_conn_sec_t *p_conn_sec));


/**@brief Start reporting the received signal strength to the application.
 *
 *        A new event is reported whenever the RSSI value changes, until @ref sd_ble_gap_rssi_stop is called.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_RSSI_CHANGED, New RSSI data available. How often the event is generated is
 *                                       dependent on the settings of the <code>threshold_dbm</code>
 *                                       and <code>skip_count</code> input parameters.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_RSSI_READ_MSC}
 * @mmsc{@ref BLE_GAP_RSSI_FILT_MSC}
 * @endmscs
 *
 * @param[in] conn_handle        Connection handle.
 * @param[in] threshold_dbm      Minimum change in dBm before triggering the @ref BLE_GAP_EVT_RSSI_CHANGED event. Events are disabled if threshold_dbm equals @ref BLE_GAP_RSSI_THRESHOLD_INVALID.
 * @param[in] skip_count         Number of RSSI samples with a change of threshold_dbm or more before sending a new @ref BLE_GAP_EVT_RSSI_CHANGED event.
 *
 * @retval ::NRF_SUCCESS                   Successfully activated RSSI reporting.
 * @retval ::NRF_ERROR_INVALID_STATE       Disconnection in progress. Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_RSSI_START, uint32_t, sd_ble_gap_rssi_start(uint16_t conn_handle, uint8_t threshold_dbm, uint8_t skip_count));


/**@brief Stop reporting the received signal strength.
 *
 * @note  An RSSI change detected before the call but not yet received by the application
 *        may be reported after @ref sd_ble_gap_rssi_stop has been called.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_RSSI_READ_MSC}
 * @mmsc{@ref BLE_GAP_RSSI_FILT_MSC}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle.
 *
 * @retval ::NRF_SUCCESS                   Successfully deactivated RSSI reporting.
 * @retval ::NRF_ERROR_INVALID_STATE       Invalid state to perform operation.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_RSSI_STOP, uint32_t, sd_ble_gap_rssi_stop(uint16_t conn_handle));


/**@brief Get the received signal strength for the last connection event.
 *
 *        @ref sd_ble_gap_rssi_start must be called to start reporting RSSI before using this function. @ref NRF_ERROR_NOT_FOUND
 *        will be returned until RSSI was sampled for the first time after calling @ref sd_ble_gap_rssi_start.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_RSSI_READ_MSC}
 * @endmscs
 *
 * @param[in]  conn_handle Connection handle.
 * @param[out] p_rssi      Pointer to the location where the RSSI measurement shall be stored.
 *
 * @retval ::NRF_SUCCESS                   Successfully read the RSSI.
 * @retval ::NRF_ERROR_NOT_FOUND           No sample is available.
 * @retval ::NRF_ERROR_INVALID_ADDR        Invalid pointer supplied.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_INVALID_STATE       RSSI reporting is not ongoing, or disconnection in progress.
 */
SVCALL(SD_BLE_GAP_RSSI_GET, uint32_t, sd_ble_gap_rssi_get(uint16_t conn_handle, int8_t *p_rssi));


/**@brief Start scanning (GAP Discovery procedure, Observer Procedure).
 *
 * @events
 * @event{@ref BLE_GAP_EVT_ADV_REPORT, An advertising or scan response packet has been received.}
 * @event{@ref BLE_GAP_EVT_TIMEOUT, Scanner has timed out.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_SCAN_MSC}
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @endmscs
 *
 * @param[in] p_scan_params Pointer to scan parameters structure.
 *
 * @retval ::NRF_SUCCESS Successfully initiated scanning procedure.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry.
 * @retval ::NRF_ERROR_RESOURCES Not enough BLE role slots available.
 *                               Stop one or more currently active roles (Central, Peripheral or Broadcaster) and try again
 */
SVCALL(SD_BLE_GAP_SCAN_START, uint32_t, sd_ble_gap_scan_start(ble_gap_scan_params_t const *p_scan_params));


/**@brief Stop scanning (GAP Discovery procedure, Observer Procedure).
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_SCAN_MSC}
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS Successfully stopped scanning procedure.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation (most probably not in scanning state).
 */
SVCALL(SD_BLE_GAP_SCAN_STOP, uint32_t, sd_ble_gap_scan_stop(void));


/**@brief Create a connection (GAP Link Establishment).
 *
 * @note If a scanning procedure is currently in progress it will be automatically stopped when calling this function.
 *       The scanning procedure will be stopped even if the function returns an error.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_WL_SHARE_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_CONN_PRIV_MSC}
 * @mmsc{@ref BLE_GAP_CENTRAL_CONN_MSC}
 * @endmscs
 *
 * @param[in] p_peer_addr   Pointer to peer address. If the use_whitelist bit is set in @ref ble_gap_scan_params_t, then this is ignored.
 *                          If @ref ble_gap_addr_t::addr_id_peer is set then p_peer_addr must be present in the device identity list
 *                          see @ref sd_ble_gap_device_identities_set.
 * @param[in] p_scan_params Pointer to scan parameters structure.
 * @param[in] p_conn_params Pointer to desired connection parameters.
 * @param[in] conn_cfg_tag  Tag identifying a configuration set by @ref sd_ble_cfg_set or @ref
 *                          BLE_CONN_CFG_TAG_DEFAULT to use the default connection configuration.
 *
 * @retval ::NRF_SUCCESS Successfully initiated connection procedure.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid parameter(s) pointer supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 *                                   - Invalid parameter(s) in p_scan_params or p_conn_params.
 *                                   - Use of whitelist requested but whitelist has not been set, see @ref sd_ble_gap_whitelist_set.
 *                                   - Peer address was not present in the device identity list, see @ref sd_ble_gap_device_identities_set.
 * @retval ::NRF_ERROR_INVALID_STATE The SoftDevice is in an invalid state to perform this operation. This may be due to an
 *                                   existing locally initiated connect procedure, which must complete before initiating again.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR Invalid Peer address.
 * @retval ::NRF_ERROR_CONN_COUNT The limit of available connections has been reached.
 * @retval ::NRF_ERROR_BUSY The stack is busy, process pending events and retry. If another connection is being established
 *                          wait for the corresponding @ref BLE_GAP_EVT_CONNECTED event before calling again.
 * @retval ::NRF_ERROR_RESOURCES Not enough BLE role slots available.
 *                               Stop one or more currently active roles (Central, Peripheral or Broadcaster) and try again
 */
SVCALL(SD_BLE_GAP_CONNECT, uint32_t, sd_ble_gap_connect(ble_gap_addr_t const *p_peer_addr, ble_gap_scan_params_t const *p_scan_params, ble_gap_conn_params_t const *p_conn_params, uint8_t conn_cfg_tag));


/**@brief Cancel a connection establishment.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_CONN_MSC}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS Successfully canceled an ongoing connection procedure.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 */
SVCALL(SD_BLE_GAP_CONNECT_CANCEL, uint32_t, sd_ble_gap_connect_cancel(void));


/**@brief PHY Update Request
 *
 * @details   This function is used to request a new PHY configuration for a central or a peripheral connection. It will always generate a
 *            @ref BLE_GAP_EVT_PHY_UPDATE event if successfully executed. If @ref ble_gap_phys_t::tx_phys or @ref ble_gap_phys_t::rx_phys
 *            is 0, then the stack will select PHYs based on the peer requirements on that specific direction. If the peer does not support
 *            the PHY Update procedure, then the resulting @ref BLE_GAP_EVT_PHY_UPDATE event will have a status different from 
 *            @ref BLE_HCI_STATUS_CODE_SUCCESS.
 *
 * @note      The requested PHYs does not have to be within the set of the preferred PHYs.
 *
 * @note      If the @ref ble_gap_opt_preferred_phys_t have not been configured with @ref BLE_GAP_PHY_CODED, then this call might return
 *            @ref BLE_ERROR_BLOCKED_BY_OTHER_LINKS if there are multiple devices connected.
 *
 *
 * @events
 * @event{@ref BLE_GAP_EVT_PHY_UPDATE, Result of the PHY Update procedure procedure.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_CENTRAL_PHY_REQUEST}
 * @mmsc{@ref BLE_GAP_PERIPHERAL_PHY_REQUEST}
 * @endmscs
 *
 * @param[in] conn_handle   Connection handle to indicate the connection for which the PHY Update is requested.
 * @param[in] p_gap_phys    Pointer to PHY structure.
 *
 * @retval ::NRF_SUCCESS Successfully requested a PHY Update.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 * @retval ::NRF_ERROR_INVALID_PARAM Unsupported PHYs supplied to the call.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::BLE_ERROR_BLOCKED_BY_OTHER_LINKS Other connections may block the scheduling of the current link.
 * @retval ::NRF_ERROR_BUSY Procedure is already in progress or not allowed at this time. Process pending events and wait for the pending procedure to complete and retry.
 *
 */
SVCALL(SD_BLE_GAP_PHY_REQUEST, uint32_t, sd_ble_gap_phy_request(uint16_t conn_handle, ble_gap_phys_t const *p_gap_phys));

/**@brief Initiate or respond to a Data Length Update Procedure.
 *
 * @note Only symmetric input parameters for the Data Length Update is supported. Only @ref
 *       BLE_GAP_DATA_LENGTH_AUTO for max_tx_time_us and max_rx_time_us is supported.
 *
 * @note If the application uses @ref BLE_GAP_DATA_LENGTH_AUTO for one or more members of
 *       p_dl_params, the SoftDevice will choose the highest value supported in current
 *       configuration and connection parameters.
 *
 * @param[in]   conn_handle       Connection handle.
 * @param[in]   p_dl_params       Pointer to local parameters to be used in Data Length Update
 *                                Procedure. Set any member to @ref BLE_GAP_DATA_LENGTH_AUTO to let
 *                                the SoftDevice automatically decide the value for that member.
 *                                Set to NULL to use automatic values for all members.
 * @param[out]  p_dl_limitation   Pointer to limitation to be written when local device does not
 *                                have enough resources to accommodate the requested Data Length
 *                                Update parameters. Ignored if NULL.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_DATA_LENGTH_UPDATE_PROCEDURE_MSC}
 * @endmscs
 *
 * @retval ::NRF_SUCCESS Successfully set Data Length Extension initiation/response parameters.
 * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle parameter supplied.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameters supplied.
 * @retval ::NRF_ERROR_NOT_SUPPORTED The requested parameters are not supported by the SoftDevice.
 * @retval ::NRF_ERROR_RESOURCES The requested parameters can not be accommodated. Inspect
 *                               p_dl_limitation so see where the limitation is.
 * @retval ::NRF_ERROR_BUSY Peer has already initiated a Data Length Update Procedure. Process the
 *                          pending @ref BLE_GAP_EVT_DATA_LENGTH_UPDATE_REQUEST event to respond.
 */
SVCALL(SD_BLE_GAP_DATA_LENGTH_UPDATE, uint32_t, sd_ble_gap_data_length_update(uint16_t conn_handle, ble_gap_data_length_params_t const *p_dl_params, ble_gap_data_length_limitation_t *p_dl_limitation));



/** @} */

#ifdef __cplusplus
}
#endif
#endif // BLE_GAP_H__

/**
  @}
*/