sd_ble_gattc_descriptors_discover()

uint32_t sd_ble_gattc_descriptors_discover	(	uint16_t	conn_handle,
		ble_gattc_handle_range_t const *	p_handle_range )

#include <ble_gattc.h>

Initiate or continue a GATT Characteristic Descriptor Discovery procedure.

This function initiates or resumes a Characteristic Descriptor discovery procedure. If the last Descriptor has not been reached, this must be called again with an updated handle range to continue the discovery. See also ble_gattc_opt_uuid_disc_t.

Events generated

BLE_GATTC_EVT_DESC_DISC_RSP

Relevant Message Sequence Charts

GATTC Descriptor Discovery

Parameters

[in]	conn_handle	The connection handle identifying the connection to perform this procedure on.
[in]	p_handle_range	A pointer to the range of handles of the Characteristic to perform this procedure on.

Return values

NRF_SUCCESS	Successfully started or resumed the Descriptor Discovery procedure.
BLE_ERROR_INVALID_CONN_HANDLE	Invalid Connection Handle.
NRF_ERROR_INVALID_STATE	Invalid Connection State.
NRF_ERROR_INVALID_ADDR	Invalid pointer supplied.
NRF_ERROR_BUSY	Client procedure already in progress.
NRF_ERROR_TIMEOUT	There has been a GATT procedure timeout. No new GATT procedure can be performed without reestablishing the connection.