Function esp_idf_sys::esp_ble_gattc_prepare_write_char_descr

source ยท
pub unsafe extern "C" fn esp_ble_gattc_prepare_write_char_descr(
    gattc_if: esp_gatt_if_t,
    conn_id: u16,
    handle: u16,
    offset: u16,
    value_len: u16,
    value: *mut u8,
    auth_req: esp_gatt_auth_req_t,
) -> esp_err_t
Expand description

@brief This function is called to prepare write a characteristic descriptor value.

@param[in] gattc_if: Gatt client access interface. @param[in] conn_id : connection ID. @param[in] handle : characteristic descriptor handle to prepare write. @param[in] offset : offset of the write value. @param[in] value_len: length of the value to be written. @param[in] value : the value to be written. @param[in] auth_req : authentication request.

@return - ESP_OK: success - other: failed