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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 <stdint.h>
#include "nrf_svc.h"
#include "nrf_error.h"
#include "ble_hci.h"
#include "ble_ranges.h"
#include "ble_types.h"
#include "ble_err.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              = BLE_GAP_SVC_BASE + 1,   /**< Get own Bluetooth Address. */
  SD_BLE_GAP_WHITELIST_SET         = BLE_GAP_SVC_BASE + 2,   /**< Set active whitelist. */
  SD_BLE_GAP_DEVICE_IDENTITIES_SET = BLE_GAP_SVC_BASE + 3,   /**< Set device identity list. */
  SD_BLE_GAP_PRIVACY_SET           = BLE_GAP_SVC_BASE + 4,   /**< Set Privacy settings*/
  SD_BLE_GAP_PRIVACY_GET           = BLE_GAP_SVC_BASE + 5,   /**< Get Privacy settings*/
  SD_BLE_GAP_ADV_SET_CONFIGURE     = BLE_GAP_SVC_BASE + 6,   /**< Configure an advertising set. */
  SD_BLE_GAP_ADV_START             = BLE_GAP_SVC_BASE + 7,   /**< Start Advertising. */
  SD_BLE_GAP_ADV_STOP              = BLE_GAP_SVC_BASE + 8,   /**< Stop Advertising. */
  SD_BLE_GAP_CONN_PARAM_UPDATE     = BLE_GAP_SVC_BASE + 9,   /**< Connection Parameter Update. */
  SD_BLE_GAP_DISCONNECT            = BLE_GAP_SVC_BASE + 10,  /**< Disconnect. */
  SD_BLE_GAP_TX_POWER_SET          = BLE_GAP_SVC_BASE + 11,  /**< Set TX Power. */
  SD_BLE_GAP_APPEARANCE_SET        = BLE_GAP_SVC_BASE + 12,  /**< Set Appearance. */
  SD_BLE_GAP_APPEARANCE_GET        = BLE_GAP_SVC_BASE + 13,  /**< Get Appearance. */
  SD_BLE_GAP_PPCP_SET              = BLE_GAP_SVC_BASE + 14,  /**< Set PPCP. */
  SD_BLE_GAP_PPCP_GET              = BLE_GAP_SVC_BASE + 15,  /**< Get PPCP. */
  SD_BLE_GAP_DEVICE_NAME_SET       = BLE_GAP_SVC_BASE + 16,  /**< Set Device Name. */
  SD_BLE_GAP_DEVICE_NAME_GET       = BLE_GAP_SVC_BASE + 17,  /**< Get Device Name. */
  SD_BLE_GAP_AUTHENTICATE          = BLE_GAP_SVC_BASE + 18,  /**< Initiate Pairing/Bonding. */
  SD_BLE_GAP_SEC_PARAMS_REPLY      = BLE_GAP_SVC_BASE + 19,  /**< Reply with Security Parameters. */
  SD_BLE_GAP_AUTH_KEY_REPLY        = BLE_GAP_SVC_BASE + 20,  /**< Reply with an authentication key. */
  SD_BLE_GAP_LESC_DHKEY_REPLY      = BLE_GAP_SVC_BASE + 21,  /**< Reply with an LE Secure Connections DHKey. */
  SD_BLE_GAP_KEYPRESS_NOTIFY       = BLE_GAP_SVC_BASE + 22,  /**< Notify of a keypress during an authentication procedure. */
  SD_BLE_GAP_LESC_OOB_DATA_GET     = BLE_GAP_SVC_BASE + 23,  /**< Get the local LE Secure Connections OOB data. */
  SD_BLE_GAP_LESC_OOB_DATA_SET     = BLE_GAP_SVC_BASE + 24,  /**< Set the remote LE Secure Connections OOB data. */
  SD_BLE_GAP_SEC_INFO_REPLY        = BLE_GAP_SVC_BASE + 26,  /**< Reply with Security Information. */
  SD_BLE_GAP_CONN_SEC_GET          = BLE_GAP_SVC_BASE + 27,  /**< Obtain connection security level. */
  SD_BLE_GAP_RSSI_START            = BLE_GAP_SVC_BASE + 28,  /**< Start reporting of changes in RSSI. */
  SD_BLE_GAP_RSSI_STOP             = BLE_GAP_SVC_BASE + 29,  /**< Stop reporting of changes in RSSI. */
  SD_BLE_GAP_RSSI_GET              = BLE_GAP_SVC_BASE + 34,  /**< Get the last RSSI sample. */
  SD_BLE_GAP_PHY_UPDATE            = BLE_GAP_SVC_BASE + 35,  /**< Initiate or respond to a PHY 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,
  BLE_GAP_EVT_DISCONNECTED                = BLE_GAP_EVT_BASE + 1,   /**< Disconnected from peer.                         \n See @ref ble_gap_evt_disconnected_t.         */
  BLE_GAP_EVT_CONN_PARAM_UPDATE           = BLE_GAP_EVT_BASE + 2,   /**< Connection Parameters updated.                  \n See @ref ble_gap_evt_conn_param_update_t.    */
  BLE_GAP_EVT_SEC_PARAMS_REQUEST          = BLE_GAP_EVT_BASE + 3,   /**< 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            = BLE_GAP_EVT_BASE + 4,   /**< 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             = BLE_GAP_EVT_BASE + 5,   /**< 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                 = BLE_GAP_EVT_BASE + 6,   /**< Notification of a keypress on the remote device.\n See @ref ble_gap_evt_key_pressed_t           */
  BLE_GAP_EVT_AUTH_KEY_REQUEST            = BLE_GAP_EVT_BASE + 7,   /**< 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          = BLE_GAP_EVT_BASE + 8,   /**< 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                 = BLE_GAP_EVT_BASE + 9,   /**< Authentication procedure completed with status. \n See @ref ble_gap_evt_auth_status_t.          */
  BLE_GAP_EVT_CONN_SEC_UPDATE             = BLE_GAP_EVT_BASE + 10,  /**< Connection security updated.                    \n See @ref ble_gap_evt_conn_sec_update_t.      */
  BLE_GAP_EVT_TIMEOUT                     = BLE_GAP_EVT_BASE + 11,  /**< Timeout expired.                                \n See @ref ble_gap_evt_timeout_t.              */
  BLE_GAP_EVT_RSSI_CHANGED                = BLE_GAP_EVT_BASE + 12,  /**< RSSI report.                                    \n See @ref ble_gap_evt_rssi_changed_t.         */
  BLE_GAP_EVT_SEC_REQUEST                 = BLE_GAP_EVT_BASE + 14,  /**< Security Request.                               \n See @ref ble_gap_evt_sec_request_t.          */
  BLE_GAP_EVT_SCAN_REQ_REPORT             = BLE_GAP_EVT_BASE + 16,  /**< Scan request report.                            \n See @ref ble_gap_evt_scan_req_report_t. */
  BLE_GAP_EVT_PHY_UPDATE_REQUEST          = BLE_GAP_EVT_BASE + 17,  /**< PHY Update Request.                             \n Reply with @ref sd_ble_gap_phy_update. \n See @ref ble_gap_evt_phy_update_request_t. */
  BLE_GAP_EVT_PHY_UPDATE                  = BLE_GAP_EVT_BASE + 18,  /**< PHY Update Procedure is complete.               \n See @ref ble_gap_evt_phy_update_t.           */
  BLE_GAP_EVT_ADV_SET_TERMINATED         = BLE_GAP_EVT_BASE + 22,   /**< Advertising set terminated.                     \n See @ref ble_gap_evt_adv_set_terminated_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     = BLE_GAP_OPT_BASE + 1,   /**< Local connection latency. @ref ble_gap_opt_local_conn_latency_t */
  BLE_GAP_OPT_PASSKEY                = BLE_GAP_OPT_BASE + 2,   /**< Set passkey. @ref ble_gap_opt_passkey_t */
  BLE_GAP_OPT_AUTH_PAYLOAD_TIMEOUT   = BLE_GAP_OPT_BASE + 4,   /**< Set Authenticated payload timeout. @ref ble_gap_opt_auth_payload_timeout_t */
  BLE_GAP_OPT_SLAVE_LATENCY_DISABLE  = BLE_GAP_OPT_BASE + 5,   /**< 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   = BLE_GAP_CFG_BASE + 1, /**< Device name configuration. */
};

/**@brief GAP TX Power roles.
 */
enum BLE_GAP_TX_POWER_ROLES
{
  BLE_GAP_TX_POWER_ROLE_ADV       = 1,           /**< Advertiser role. */
  BLE_GAP_TX_POWER_ROLE_CONN      = 3,           /**< Connection role. */
};

/** @} */

/**@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
 * @{ */
#define BLE_GAP_ROLE_INVALID     0x0            /**< Invalid Role. */
#define BLE_GAP_ROLE_PERIPH      0x1            /**< Peripheral Role. */
/**@} */


/**@defgroup BLE_GAP_TIMEOUT_SOURCES GAP Timeout sources
 * @{ */
#define BLE_GAP_TIMEOUT_SRC_CONN                       0x02 /**< Connection timeout. */
#define BLE_GAP_TIMEOUT_SRC_AUTH_PAYLOAD               0x03 /**< Authenticated payload timeout. */
/**@} */


/**@defgroup BLE_GAP_ADDR_TYPES GAP Address types
 * @{ */
#define BLE_GAP_ADDR_TYPE_PUBLIC                        0x00 /**< Public (identity) address.*/
#define BLE_GAP_ADDR_TYPE_RANDOM_STATIC                 0x01 /**< Random static (identity) 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. */
#define BLE_GAP_PRIVACY_MODE_NETWORK_PRIVACY           0x02 /**< Device will send and accept only private addresses for its own address,
                                                                 and will not accept a peer using identity address as sender address when
                                                                 the peer IRK is exchanged, non-zero and added to the identity list. */
/**@} */

/** @brief Invalid power level. */
#define BLE_GAP_POWER_LEVEL_INVALID     127

/** @brief Advertising set handle not set. */
#define BLE_GAP_ADV_SET_HANDLE_NOT_SET (0xFF)

/** @brief The default number of advertising sets. */
#define BLE_GAP_ADV_SET_COUNT_DEFAULT   (1)

/** @brief The maximum number of advertising sets supported by this SoftDevice. */
#define BLE_GAP_ADV_SET_COUNT_MAX       (1)

/**@defgroup BLE_GAP_ADV_SET_DATA_SIZES Advertising data sizes.
 * @{ */
#define BLE_GAP_ADV_SET_DATA_SIZE_MAX          (31)    /**< Maximum data length for an advertising set. */
/**@}. */

/** @brief Set ID not available in advertising report. */
#define BLE_GAP_ADV_REPORT_SET_ID_NOT_AVAILABLE                    0xFF

/**@defgroup BLE_GAP_EVT_ADV_SET_TERMINATED_REASON GAP Advertising Set Terminated reasons
 * @{ */
#define BLE_GAP_EVT_ADV_SET_TERMINATED_REASON_TIMEOUT              0x01  /**< Timeout value reached. */
#define BLE_GAP_EVT_ADV_SET_TERMINATED_REASON_LIMIT_REACHED        0x02  /**< @ref ble_gap_adv_params_t::max_adv_evts was reached. */
/**@} */

/**@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        0x000020 /**< Minimum Advertising interval in 625 us units, i.e. 20 ms. */
#define BLE_GAP_ADV_INTERVAL_MAX        0x004000 /**< Maximum Advertising interval in 625 us units, i.e. 10.24 s.
                                                      @note Support for values above @ref BLE_GAP_ADV_INTERVAL_MAX
                                                            is experimental. Values above 0xFFFFFF, i.e 10,485.759375 s
                                                            are not supported. */
 /**@}  */



/**@defgroup BLE_GAP_ADV_TYPES GAP Advertising types
 *
 * Advertising types defined in Bluetooth Core Specification v5.0, Vol 6, Part B, Section 4.4.2.
 *
 * The maximum advertising data length is defined by @ref BLE_GAP_ADV_SET_DATA_SIZE_MAX.
 * Note that some of the advertising types do not support advertising data. Non-scannable types do not support
 * scan response data.
 *
 * @note Extended advertising is not supported in this SoftDevice.
 * @{ */
#define BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED                   0x01   /**< Connectable and scannable undirected
                                                                                        advertising events. */
#define BLE_GAP_ADV_TYPE_CONNECTABLE_NONSCANNABLE_DIRECTED_HIGH_DUTY_CYCLE  0x02   /**< Connectable non-scannable directed advertising
                                                                                        events. Advertising interval is less that 3.75 ms.
                                                                                        Use this type for fast reconnections.
                                                                                        @note Advertising data is not supported. */
#define BLE_GAP_ADV_TYPE_CONNECTABLE_NONSCANNABLE_DIRECTED                  0x03   /**< Connectable non-scannable directed advertising
                                                                                        events.
                                                                                        @note Advertising data is not supported. */
#define BLE_GAP_ADV_TYPE_NONCONNECTABLE_SCANNABLE_UNDIRECTED                0x04   /**< Non-connectable scannable undirected
                                                                                        advertising events. */
#define BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED             0x05   /**< Non-connectable non-scannable undirected
                                                                                        advertising events. */
/**@} */

/**@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 in 10 ms units
 * @{ */
#define BLE_GAP_ADV_TIMEOUT_HIGH_DUTY_MAX     (128)   /**< Maximum high duty advertising time in 10 ms units. Corresponds to 1.28 s. */
#define BLE_GAP_ADV_TIMEOUT_LIMITED_MAX       (18000) /**< Maximum advertising time in 10 ms units corresponding to TGAP(lim_adv_timeout) = 180 s in limited discoverable mode. */
#define BLE_GAP_ADV_TIMEOUT_GENERAL_UNLIMITED (0)     /**< Unlimited advertising in general discoverable mode.
                                                           For high duty cycle advertising, this corresponds to @ref BLE_GAP_ADV_TIMEOUT_HIGH_DUTY_MAX. */
/**@} */


/**@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_AUTO                         0x00    /**< Automatic PHY selection. Refer @ref sd_ble_gap_phy_update for more information.*/
#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. */
#define BLE_GAP_PHY_NOT_SET                      0xFF    /**< PHY is not configured. */

/**@brief Supported PHYs in connections and for advertising. */
#define BLE_GAP_PHYS_SUPPORTED  (BLE_GAP_PHY_1MBPS | BLE_GAP_PHY_2MBPS) /**< All PHYs except @ref BLE_GAP_PHY_CODED are supported. */

/**@} */

/**@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_COMBINED_MAX        (20)  /**< Maximum supported number of concurrent connections in the peripheral roles. */

/**@} */


/**@defgroup BLE_GAP_AUTH_PAYLOAD_TIMEOUT Authenticated payload timeout defines.
  * @{ */
#define BLE_GAP_AUTH_PAYLOAD_TIMEOUT_MAX (48000) /**< Maximum authenticated payload timeout in 10 ms units, i.e. 8 minutes. */
#define BLE_GAP_AUTH_PAYLOAD_TIMEOUT_MIN (1)     /**< Minimum authenticated payload timeout in 10 ms units, i.e. 10 ms. */
/**@} */

/**@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 Advertising event properties. */
typedef struct
{
  uint8_t type;                 /**< Advertising type. See @ref BLE_GAP_ADV_TYPES. */
  uint8_t anonymous        : 1; /**< This feature is not supported on this SoftDevice. */
  uint8_t include_tx_power : 1; /**< This feature is not supported on this SoftDevice. */
} ble_gap_adv_properties_t;



/**@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 using a 128-bit strength encryption key 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 (40 bits).
 * Every channel is represented with a bit positioned as per channel index defined in Bluetooth Core Specification v5.0,
 * Vol 6, Part B, Section 1.4.1. The LSB contained in array element 0 represents channel index 0, and bit 39 represents
 * channel index 39. If a bit is set to 1, the channel is not used.
 */
typedef uint8_t ble_gap_ch_mask_t[5];


/**@brief GAP advertising parameters. */
typedef struct
{
  ble_gap_adv_properties_t properties;              /**< The properties of the advertising events. */
  ble_gap_addr_t const    *p_peer_addr;             /**< Address of a known peer.
                                                         - When privacy is enabled and the local device uses
                                                           @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 advertising packet.
                                                         - If @ref ble_gap_adv_properties_t::type is directed, this must be
                                                           set to the targeted scanner or initiator. If the peer address is
                                                           in the device identity list, the peer IRK for that device will be
                                                           used to generate @ref BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE
                                                           target addresses used in the advertising event PDUs. */
  uint32_t                 interval;                /**< Advertising interval in 625 us units. @sa BLE_GAP_ADV_INTERVALS.
                                                         @note If @ref ble_gap_adv_properties_t::type is set to
                                                               @ref BLE_GAP_ADV_TYPE_CONNECTABLE_NONSCANNABLE_DIRECTED_HIGH_DUTY_CYCLE
                                                               advertising, this parameter is ignored. */
  uint16_t                 duration;                /**< Advertising duration in 10 ms units. When timeout is reached,
                                                         an event of type @ref BLE_GAP_EVT_ADV_SET_TERMINATED is raised.
                                                         @sa BLE_GAP_ADV_TIMEOUT_VALUES. */
  uint8_t                  max_adv_evts;            /**< Maximum advertising events that shall be sent prior to disabling
                                                         advertising. Setting the value to 0 disables the limitation. When
                                                         the count of advertising events specified by this parameter
                                                         (if not 0) is reached, advertising will be automatically stopped
                                                         and an event of type @ref BLE_GAP_EVT_ADV_SET_TERMINATED is raised
                                                         @note If @ref ble_gap_adv_properties_t::type is set to
                                                               @ref BLE_GAP_ADV_TYPE_CONNECTABLE_NONSCANNABLE_DIRECTED_HIGH_DUTY_CYCLE,
                                                               this parameter is ignored.
                                                         @note Setting max_adv_evts to a values not equal to 0 is only supported
                                                               as an experimental feature in this SoftDevice. */
  ble_gap_ch_mask_t        channel_mask;            /**< Channel mask for primary channels.
                                                         At least one of the primary channels, that is channel index 37-39, must be used. */
  uint8_t                  filter_policy;           /**< Filter Policy. @sa BLE_GAP_ADV_FILTER_POLICIES. */
  uint8_t                  primary_phy;             /**< Indicates the PHY on which the primary advertising channel packets
                                                         are transmitted. If set to @ref BLE_GAP_PHY_AUTO, @ref BLE_GAP_PHY_1MBPS
                                                         will be used.
                                                         The only supported value by this SoftDevice is @ref BLE_GAP_PHY_1MBPS. */
  uint8_t                  secondary_phy;           /**< This field is ignored on this SoftDevice. */
  uint8_t                  set_id:4;                /**< This field is ignored on this SoftDevice. */
  uint8_t                  scan_req_notification:1; /**< Enable scan request notifications for this advertising set. When a
                                                         scan request is received and the scanner address is allowed
                                                         by the filter policy, @ref BLE_GAP_EVT_SCAN_REQ_REPORT is raised.
                                                         @note This parameter will be ignored when
                                                               @ref ble_gap_adv_properties_t::type is a non-scannable
                                                               advertising type. */
} ble_gap_adv_params_t;


/**@brief GAP advertising data buffers.
 *
 * The application must provide the buffers for advertisement. The memory shall reside in application RAM, and
 * shall never be modified while advertising. The data shall be kept alive until either:
 *  - @ref BLE_GAP_EVT_ADV_SET_TERMINATED is raised.
 *  - @ref BLE_GAP_EVT_CONNECTED is raised with @ref ble_gap_evt_connected_t::adv_handle set to the corresponding
 *    advertising handle.
 *  - Advertising is stopped.
 *  - Advertising data is changed.
 * To update advertising data while advertising, provide new buffers to @ref sd_ble_gap_adv_set_configure. */
typedef struct
{
  ble_data_t       adv_data;                     /**< Advertising data.
                                                      @note
                                                      Advertising data can only be specified for a @ref ble_gap_adv_properties_t::type
                                                      that is allowed to contain advertising data. */
  ble_data_t       scan_rsp_data;                /**< Scan response data.
                                                      @note
                                                      Scan response data can only be specified for a @ref ble_gap_adv_properties_t::type
                                                      that is scannable. */
} ble_gap_adv_data_t;


/**@brief 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.
 *
 *        Both network privacy (@ref BLE_GAP_PRIVACY_MODE_NETWORK_PRIVACY) and device privacy (@ref BLE_GAP_PRIVACY_MODE_DEVICE_PRIVACY)
 *        are supported.
 *
 * @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 PHY preferences for TX and RX
 * @note  tx_phys and rx_phys are bit fields. Multiple bits can be set in them to indicate multiple preferred PHYs for each direction.
 * @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. */
  uint8_t               adv_handle;             /**< Advertising handle in which advertising has ended.
                                                     This variable is only set if role is set to @ref BLE_GAP_ROLE_PERIPH. */
  ble_gap_adv_data_t    adv_data;               /**< Advertising buffers corresponding to the terminated
                                                     advertising set. The advertising buffers provided in
                                                     @ref sd_ble_gap_adv_set_configure are now released.
                                                     This variable is only set if role is set to @ref BLE_GAP_ROLE_PERIPH. */
} 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_REQUEST. */
typedef struct
{
  ble_gap_phys_t peer_preferred_phys;            /**< The PHYs the peer prefers to use. */
} ble_gap_evt_phy_update_request_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 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. */
  uint8_t               lesc : 1;               /**< Procedure resulted in a LE Secure Connection. */
  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. */
  uint8_t ch_index;                             /**< Data Channel Index on which the Signal Strength is measured (0-36). */
} ble_gap_evt_rssi_changed_t;

/**@brief Event structure for @ref BLE_GAP_EVT_ADV_SET_TERMINATED */
typedef struct
{
  uint8_t             reason;                         /**< Reason for why the advertising set terminated. See
                                                           @ref BLE_GAP_EVT_ADV_SET_TERMINATED_REASON. */
  uint8_t             adv_handle;                     /**< Advertising handle in which advertising has ended. */
  uint8_t             num_completed_adv_events;       /**< If @ref ble_gap_adv_params_t::max_adv_evts was not set to 0,
                                                           this field indicates the number of completed advertising events. */
  ble_gap_adv_data_t  adv_data;                       /**< Advertising buffers corresponding to the terminated
                                                           advertising set. The advertising buffers provided in
                                                           @ref sd_ble_gap_adv_set_configure are now released. */
} ble_gap_evt_adv_set_terminated_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_SCAN_REQ_REPORT. */
typedef struct
{
  uint8_t                 adv_handle;        /**< Advertising handle for the advertising set which received the Scan Request */
  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 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_set_terminated_t          adv_set_terminated;           /**< Advertising Set Terminated Event Parameters. */
    ble_gap_evt_sec_request_t                 sec_request;                  /**< Security Request Event Parameters. */
    ble_gap_evt_scan_req_report_t             scan_req_report;              /**< Scan Request Report Parameters. */
    ble_gap_evt_phy_update_request_t          phy_update_request;           /**< PHY Update Request Event Parameters. */
    ble_gap_evt_phy_update_t                  phy_update;                   /**< PHY Update 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 peripheral role, set with
 * @ref sd_ble_cfg_set.
 *
 * @retval ::NRF_ERROR_CONN_COUNT     The periph_role_count is too large. The maximum
 *                                    supported sum of concurrent connections is
 *                                    @ref BLE_GAP_ROLE_COUNT_COMBINED_MAX.
 * @retval ::NRF_ERROR_RESOURCES      The adv_set_count is too large. The maximum
 *                                    supported advertising handles is
 *                                    @ref BLE_GAP_ADV_SET_COUNT_MAX.
 */
typedef struct
{
  uint8_t adv_set_count;      /**< Maximum number of advertising sets. Default value is @ref BLE_GAP_ADV_SET_COUNT_DEFAULT. */
  uint8_t periph_role_count;  /**< Maximum number of connections concurrently acting as a peripheral. Default value is @ref BLE_GAP_ROLE_COUNT_PERIPH_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.
 *
 * @details 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_INVALID_PARAM One or more of the following is true:
 *                                   - Less then two bits in @ref ch_map are set.
 *                                   - Bits for primary advertising channels (37-39) are set.
 * @retval ::NRF_ERROR_BUSY Channel map was set again before enough time had passed.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied for get.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Returned by @ref 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.
 *
 * @details 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.
 *
 * @details 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
 *
 * @details 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.
 *
 * @details 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 Authenticated payload timeout option.
 *
 * @details This can be used with @ref sd_ble_opt_set to change the Authenticated payload timeout to a value other
 *          than the default of @ref BLE_GAP_AUTH_PAYLOAD_TIMEOUT_MAX.
 *
 * @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, see @ref BLE_GAP_AUTH_PAYLOAD_TIMEOUT. */
} ble_gap_opt_auth_payload_timeout_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_auth_payload_timeout_t    auth_payload_timeout;      /**< Parameters for the authenticated payload timeout 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.
 *
 * @note  The identity address cannot be changed while advertising.
 *
 * @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 advertising.
 */
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.
 *
 * @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_ADV_DIR_PRIV_MSC}
 * @mmsc{@ref BLE_GAP_PERIPH_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 changed while advertising.
 *
 * @param[in] p_privacy_params Privacy settings.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PRIVACY_ADV_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 advertising.
 */
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 ::ble_gap_privacy_params_t::p_device_irk must be initialized to NULL or a valid address before this function is called.
 *       If it is initialized to a valid address, the address pointed to will contain the current device IRK on return.
 *
 * @param[in,out] 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 Configure an advertising set. 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 In order to update advertising data while advertising, new advertising buffers must be provided.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @endmscs
 *
 * @param[in,out] p_adv_handle                         Provide a pointer to a handle containing @ref BLE_GAP_ADV_SET_HANDLE_NOT_SET to configure
 *                                                     a new advertising set. On success, a new handle is then returned through the pointer.
 *                                                     Provide a pointer to an existing advertising handle to configure an existing advertising set.
 * @param[in]     p_adv_data                           Advertising data. If set to NULL, no advertising data will be used. See @ref ble_gap_adv_data_t.
 * @param[in]     p_adv_params                         Advertising parameters. When this function is used to update advertising data while advertising,
 *                                                     this parameter must be NULL. See @ref ble_gap_adv_params_t.
 *
 * @retval ::NRF_SUCCESS                               Advertising set successfully configured.
 * @retval ::NRF_ERROR_INVALID_PARAM                   Invalid parameter(s) supplied:
 *                                                      - Invalid advertising data configuration specified. See @ref ble_gap_adv_data_t.
 *                                                      - Invalid configuration of p_adv_params. See @ref ble_gap_adv_params_t.
 *                                                      - Use of whitelist requested but whitelist has not been set,
 *                                                        see @ref sd_ble_gap_whitelist_set.
 * @retval ::BLE_ERROR_GAP_INVALID_BLE_ADDR            ble_gap_adv_params_t::p_peer_addr is invalid.
 * @retval ::NRF_ERROR_INVALID_STATE                   Invalid state to perform operation.
 *                                                     - It is invalid to provide non-NULL advertising set parameters while advertising.
 *                                                     - It is invalid to provide the same data buffers while advertising. To update
 *                                                       advertising data, provide new advertising buffers.
 * @retval ::BLE_ERROR_GAP_DISCOVERABLE_WITH_WHITELIST Discoverable mode and whitelist incompatible.
 * @retval ::BLE_ERROR_INVALID_ADV_HANDLE              The provided advertising handle was not found. Use @ref BLE_GAP_ADV_SET_HANDLE_NOT_SET to
 *                                                     configure a new advertising handle.
 * @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
 *                                                     given in Bluetooth Specification Version 5.0, Volume 3, Part C, Chapter 11.
 * @retval ::NRF_ERROR_INVALID_LENGTH                  Invalid data length(s) supplied.
 * @retval ::NRF_ERROR_NOT_SUPPORTED                   Unsupported data length or advertising parameter configuration.
 * @retval ::NRF_ERROR_NO_MEM                          Not enough memory to configure a new advertising handle. Update an
 *                                                     existing advertising handle instead.
 * @retval ::BLE_ERROR_GAP_UUID_LIST_MISMATCH Invalid UUID list supplied.
 */
SVCALL(SD_BLE_GAP_ADV_SET_CONFIGURE, uint32_t, sd_ble_gap_adv_set_configure(uint8_t *p_adv_handle, ble_gap_adv_data_t const *p_adv_data, ble_gap_adv_params_t const *p_adv_params));


/**@brief Start advertising (GAP Discoverable, Connectable modes, Broadcast Procedure).
 *
 * @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_ADV_SET_TERMINATED, Advertising set has terminated.}
 * @event{@ref BLE_GAP_EVT_SCAN_REQ_REPORT, A scan request was received.}
 * @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}
 * @endmscs
 *
 * @param[in] adv_handle   Advertising handle to advertise on, received from @ref sd_ble_gap_adv_set_configure.
 * @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. For non-connectable
 *                         advertising, this is ignored.
 *
 * @retval ::NRF_SUCCESS                  The BLE stack has started advertising.
 * @retval ::NRF_ERROR_INVALID_STATE      Invalid state to perform operation. adv_handle is not configured or already advertising.
 * @retval ::NRF_ERROR_CONN_COUNT         The limit of available connections has been reached; connectable advertiser cannot be started.
 * @retval ::BLE_ERROR_INVALID_ADV_HANDLE Advertising handle not found. Configure a new adveriting handle with @ref sd_ble_gap_adv_set_configure.
 * @retval ::NRF_ERROR_NOT_FOUND          conn_cfg_tag not found.
 * @retval ::NRF_ERROR_INVALID_PARAM      Invalid parameter(s) supplied:
 *                                        - Invalid configuration of p_adv_params. See @ref ble_gap_adv_params_t.
 *                                        - Use of whitelist requested but whitelist has not been set, see @ref sd_ble_gap_whitelist_set.
 * @retval ::NRF_ERROR_RESOURCES          Either:
 *                                        - adv_handle is configured with connectable advertising, but the event_length parameter
 *                                          associated with conn_cfg_tag is too small to be able to establish a connection on
 *                                          the selected advertising phys. Use @ref sd_ble_cfg_set to increase the event length.
 *                                        - Not enough BLE role slots available.
 *                                          Stop one or more currently active roles (Peripheral or Broadcaster) and try again
 *                                        - p_adv_params is configured with connectable advertising, but the event_length parameter
 *                                          associated with conn_cfg_tag is too small to be able to establish a connection on
 *                                          the selected advertising phys. Use @ref sd_ble_cfg_set to increase the event length.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Unsupported PHYs supplied to the call.
 */
SVCALL(SD_BLE_GAP_ADV_START, uint32_t, sd_ble_gap_adv_start(uint8_t adv_handle, uint8_t conn_cfg_tag));


/**@brief Stop advertising (GAP Discoverable, Connectable modes, Broadcast Procedure).
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_ADV_MSC}
 * @endmscs
 *
 * @param[in] adv_handle The advertising handle that should stop advertising.
 *
 * @retval ::NRF_SUCCESS The BLE stack has stopped advertising.
 * @retval ::BLE_ERROR_INVALID_ADV_HANDLE Invalid advertising handle.
 * @retval ::NRF_ERROR_INVALID_STATE The advertising handle is not advertising.
 */
SVCALL(SD_BLE_GAP_ADV_STOP, uint32_t, sd_ble_gap_adv_stop(uint8_t adv_handle));



/**@brief Update connection parameters.
 *
 * @details In the peripheral role, this will send the corresponding L2CAP request and wait for
 *          the central to perform the procedure. Regardless of success or failure, the application
 *          will be informed of the result with a @ref BLE_GAP_EVT_CONN_PARAM_UPDATE event.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_CONN_PARAM_UPDATE, Result of the connection parameter update procedure.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_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.
 *
 * @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, 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] role The role to set the transmit power for, see @ref BLE_GAP_TX_POWER_ROLES for
 *                 possible roles.
 * @param[in] handle   The handle parameter is interpreted depending on role:
 *                     - If role is @ref BLE_GAP_TX_POWER_ROLE_CONN, this value is the specific connection handle.
 *                     - If role is @ref BLE_GAP_TX_POWER_ROLE_ADV, the advertising set identified with the advertising handle,
 *                       will use the specified transmit power, and include it in the advertising packet headers if
 *                       @ref ble_gap_adv_properties_t::include_tx_power set.
 *                     - For all other roles handle is ignored.
 * @param[in] tx_power Radio transmit power in dBm (see note for accepted values).
 *
  * @note Supported tx_power values: -40dBm, -20dBm, -16dBm, -12dBm, -8dBm, -4dBm, 0dBm, +3dBm and +4dBm.
  * @note The initiator will have the same transmit power as the scanner.
 * @note When a connection is created it will inherit the transmit power from the initiator or
 *       advertiser leading to the connection.
 *
 * @retval ::NRF_SUCCESS Successfully changed the transmit power.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
 * @retval ::BLE_ERROR_INVALID_ADV_HANDLE Advertising handle not found.
 * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle supplied.
 */
SVCALL(SD_BLE_GAP_TX_POWER_SET, uint32_t, sd_ble_gap_tx_power_set(uint8_t role, uint16_t handle, 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 peripheral role, this function will send an SMP Security Request.
 *
 * @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}
 * @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.
 *
 * @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_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.
 */
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}
 * @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.
 * @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_BUSY The stack is busy, process pending events and retry.
 * @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}
 * @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}
 * @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.
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPH_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}
 * @endmscs
 *
 * @param[in] conn_handle Connection handle. Can be @ref 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}
 * @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 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 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       RSSI reporting is already ongoing.
 * @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       RSSI reporting is not ongoing.
 * @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.
 * @param[out] p_ch_index  Pointer to the location where Channel Index for 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.
 */
SVCALL(SD_BLE_GAP_RSSI_GET, uint32_t, sd_ble_gap_rssi_get(uint16_t conn_handle, int8_t *p_rssi, uint8_t *p_ch_index));


/**@brief Initiate or respond to a PHY Update Procedure
 *
 * @details   This function is used to initiate or respond to a PHY Update Procedure. It will always
 *            generate a @ref BLE_GAP_EVT_PHY_UPDATE event if successfully executed.
 *            If this function is used to initiate a PHY Update procedure and the only option
 *            provided in @ref ble_gap_phys_t::tx_phys and @ref ble_gap_phys_t::rx_phys is the
 *            currently active PHYs in the respective directions, the SoftDevice will generate a
 *            @ref BLE_GAP_EVT_PHY_UPDATE with the current PHYs set and will not initiate the
 *            procedure in the Link Layer.
 *
 *            If @ref ble_gap_phys_t::tx_phys or @ref ble_gap_phys_t::rx_phys is @ref BLE_GAP_PHY_AUTO,
 *            then the stack will select PHYs based on the peer's PHY preferences and the local link
 *            configuration. The PHY Update procedure will for this case result in a PHY combination
 *            that respects the time constraints configured with @ref sd_ble_cfg_set and the current
 *            link layer data length.
 *
 *            If the peer does not support the PHY Update Procedure, then the resulting
 *            @ref BLE_GAP_EVT_PHY_UPDATE event will have a status set to
 *            @ref BLE_HCI_UNSUPPORTED_REMOTE_FEATURE.
 *
 *            If the PHY procedure was rejected by the peer due to a procedure collision, the status
 *            will be @ref BLE_HCI_STATUS_CODE_LMP_ERROR_TRANSACTION_COLLISION or
 *            @ref BLE_HCI_DIFFERENT_TRANSACTION_COLLISION.
 *            If the peer responds to the PHY Update procedure with invalid parameters, the status
 *            will be @ref BLE_HCI_STATUS_CODE_INVALID_LMP_PARAMETERS.
 *            If the PHY procedure was rejected by the peer for a different reason, the status will
 *            contain the reason as specified by the peer.
 *
 * @events
 * @event{@ref BLE_GAP_EVT_PHY_UPDATE, Result of the PHY Update Procedure.}
 * @endevents
 *
 * @mscs
 * @mmsc{@ref BLE_GAP_PERIPHERAL_PHY_UPDATE}
 * @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 Invalid parameter(s) supplied.
 * @retval ::NRF_ERROR_NOT_SUPPORTED Unsupported PHYs supplied to the call.
 * @retval ::NRF_ERROR_INVALID_STATE Invalid state to perform operation.
 * @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_UPDATE, uint32_t, sd_ble_gap_phy_update(uint16_t conn_handle, ble_gap_phys_t const *p_gap_phys));



/** @} */

#ifdef __cplusplus
}
#endif
#endif // BLE_GAP_H__

/**
  @}
*/
