// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef __ESP_GATTC_API_H__
#define __ESP_GATTC_API_H__
#include "bt_types.h"
#include "esp_bt_defs.h"
#include "esp_gatt_defs.h"
#include "esp_err.h"
/* Client callback function events */
#define ESP_GATTC_REG_EVT 0 /* GATT client is registered. */
#define ESP_GATTC_UNREG_EVT 1 /* GATT client unregistered event */
#define ESP_GATTC_OPEN_EVT 2 /* GATTC open request status event */
#define ESP_GATTC_READ_CHAR_EVT 3 /* GATT read characteristic event */
#define ESP_GATTC_WRITE_CHAR_EVT 4 /* GATT write characteristic or char descriptor event */
#define ESP_GATTC_CLOSE_EVT 5 /* GATTC close request status event */
#define ESP_GATTC_SEARCH_CMPL_EVT 6 /* GATT discovery complete event */
#define ESP_GATTC_SEARCH_RES_EVT 7 /* GATT discovery result event */
#define ESP_GATTC_READ_DESCR_EVT 8 /* GATT read characterisitc descriptor event */
#define ESP_GATTC_WRITE_DESCR_EVT 9 /* GATT write characteristic descriptor event */
#define ESP_GATTC_NOTIFY_EVT 10 /* GATT attribute notification event */
#define ESP_GATTC_PREP_WRITE_EVT 11 /* GATT prepare write event */
#define ESP_GATTC_EXEC_EVT 12 /* execute write complete event */
#define ESP_GATTC_ACL_EVT 13 /* ACL up event */
#define ESP_GATTC_CANCEL_OPEN_EVT 14 /* cancel open event */
#define ESP_GATTC_SRVC_CHG_EVT 15 /* service change event */
#define ESP_GATTC_ENC_CMPL_CB_EVT 17 /* encryption complete callback event */
#define ESP_GATTC_CFG_MTU_EVT 18 /* configure MTU complete event */
#define ESP_GATTC_ADV_DATA_EVT 19 /* ADV data event */
#define ESP_GATTC_MULT_ADV_ENB_EVT 20 /* Enable Multi ADV event */
#define ESP_GATTC_MULT_ADV_UPD_EVT 21 /* Update parameter event */
#define ESP_GATTC_MULT_ADV_DATA_EVT 22 /* Multi ADV data event */
#define ESP_GATTC_MULT_ADV_DIS_EVT 23 /* Disable Multi ADV event */
#define ESP_GATTC_CONGEST_EVT 24 /* Congestion event */
#define ESP_GATTC_BTH_SCAN_ENB_EVT 25 /* Enable batch scan event */
#define ESP_GATTC_BTH_SCAN_CFG_EVT 26 /* Config storage event */
#define ESP_GATTC_BTH_SCAN_RD_EVT 27 /* Batch scan reports read event */
#define ESP_GATTC_BTH_SCAN_THR_EVT 28 /* Batch scan threshold event */
#define ESP_GATTC_BTH_SCAN_PARAM_EVT 29 /* Batch scan param event */
#define ESP_GATTC_BTH_SCAN_DIS_EVT 30 /* Disable batch scan event */
#define ESP_GATTC_SCAN_FLT_CFG_EVT 31 /* Scan filter config event */
#define ESP_GATTC_SCAN_FLT_PARAM_EVT 32 /* Param filter event */
#define ESP_GATTC_SCAN_FLT_STATUS_EVT 33 /* Filter status event */
#define ESP_GATTC_ADV_VSC_EVT 34 /* ADV VSC event */
#define ESP_GATTC_GET_CHAR_EVT 35 /* get characteristic event */
#define ESP_GATTC_GET_DESCR_EVT 36 /* get characteristic descriptor event */
#define ESP_GATTC_GET_INCL_SRVC_EVT 37 /* get included service event */
#define ESP_GATTC_REG_FOR_NOTIFY_EVT 38 /* register for notification event */
#define ESP_GATTC_UNREG_FOR_NOTIFY_EVT 39 /* unregister for notification event */
#define ESP_GATT_DEF_BLE_MTU_SIZE 23
#define ESP_GATT_MAX_MTU_SIZE 517
/* esp_ble_gattc_cb_param_t */
typedef union {
/*registration data for ESP_GATTC_REG_EVT */
struct gattc_reg_evt_param {
esp_gatt_status_t status;
esp_gatt_if_t gatt_if;
esp_bt_uuid_t uuid; /* btla-specific ++ */
} reg;
/* ESP_GATTC_OPEN_EVT */
struct gattc_open_evt_param {
esp_gatt_status_t status;
uint16_t conn_id;
esp_gatt_if_t gatt_if;
esp_bd_addr_t remote_bda;
// tBTA_TRANSPORT transport;
uint16_t mtu;
} open;
/* ESP_GATTC_CLOSE_EVT */
struct gattc_close_evt_param {
esp_gatt_status_t status;
uint16_t conn_id;
esp_gatt_if_t gatt_if;
esp_bd_addr_t remote_bda;
esp_gatt_reason_t reason;
} close;
/* ESP_GATTC_CFG_MTU_EVT */
struct gattc_cfg_mtu_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
uint16_t mtu;
} cfg_mtu;
/* ESP_GATTC_SEARCH_CMPL_EVT */
struct gattc_search_cmpl_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
} search_cmpl;
/* ESP_GATTC_SEARCH_RES_EVT */
struct gattc_search_res_evt_param {
uint16_t conn_id;
esp_gatt_srvc_id_t service_id;
} search_res;
/* ESP_GATTC_READ_CHAR_EVT, ESP_GATTC_READ_DESCR_EVT */
struct gattc_read_char_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
esp_gatt_id_t descr_id;
uint8_t *value;
uint16_t value_type;
uint16_t value_len;
} read; /* ESP_GATTC_READ_CHAR_EVT */
/* ESP_GATTC_WRITE_CHAR_EVT, ESP_GATTC_PREP_WRITE_EVT, ESP_GATTC_WRITE_DESCR_EVT */
struct gattc_write_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
esp_gatt_id_t descr_id;
} write;
/* ESP_GATTC_EXEC_EVT */
struct gattc_exec_cmpl_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
} exec_cmpl;
/* ESP_GATTC_NOTIF_EVT */
struct gattc_notify_evt_param {
uint16_t conn_id;
esp_bd_addr_t bda;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
esp_gatt_id_t descr_id;
uint16_t value_len;
uint8_t *value;
bool is_notify;
} notify;
/* ESP_GATTC_SRVC_CHG_EVT*/
struct gattc_srvc_chg_evt_param {
esp_bd_addr_t remote_bda;
} srvc_chg;
/* ESP_GATTC_CONGEST_EVT */
struct gattc_congest_evt_param {
uint16_t conn_id;
bool congested;
} congest;
/* ESP_GATTC_GET_CHAR_EVT */
struct gattc_get_char_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
esp_gatt_char_prop_t char_prop;
} get_char;
/* ESP_GATTC_GET_DESCR_EVT */
struct gattc_get_descr_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
esp_gatt_id_t descr_id;
} get_descr;
/* ESP_GATTC_GET_INCL_SRVC_EVT */
struct gattc_get_incl_srvc_evt_param {
uint16_t conn_id;
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_srvc_id_t incl_srvc_id;
} get_incl_srvc;
/* ESP_GATTC_REG_FOR_NOTIF_EVT, ESP_GATTC_UNREG_FOR_NOTIF_EVT */
struct gattc_reg_for_notify_evt_param {
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
} reg_for_notify;
struct gattc_unreg_for_notify_evt_param {
esp_gatt_status_t status;
esp_gatt_srvc_id_t srvc_id;
esp_gatt_id_t char_id;
} unreg_for_notify;
} esp_ble_gattc_cb_param_t;
/*******************************************************************************
**
** @function esp_ble_gattc_app_register_callback
**
** @brief This function is called to register application callbacks
** with GATTC module.
**
** @param[in] callback - pointer to the application callback function.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_register_callback(esp_profile_cb_t callback);
/*******************************************************************************
**
** @function esp_ble_gattc_app_register
**
** @brief This function is called to register application callbacks
** with GATTC module.
**
** @param[in] app_id : Application Identitfy (UUID), for different application
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_app_register(uint16_t app_id);
/*******************************************************************************
**
** @function esp_ble_gattc_app_unregister
**
** @brief This function is called to unregister an application
** from GATTC module.
**
** @param[in] gatt_if - app identifier.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_app_unregister(esp_gatt_if_t gatt_if);
/*******************************************************************************
**
** @function esp_ble_gattc_conn
**
** @brief Open a direct connection or add a background auto connection
** bd address
**
** @param[in] gatt_if: application identity.
** @param[in] remote_bda: remote device BD address.
** @param[in] is_direct: direct connection or background auto connection
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_open(esp_gatt_if_t gatt_if, esp_bd_addr_t remote_bda, bool is_direct);
/*******************************************************************************
**
** @function esp_ble_gattc_close
**
** @brief Close a connection to a GATT server.
**
** @param[in] conn_id: connectino ID to be closed.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_close (uint16_t conn_id);
/*******************************************************************************
**
** @function esp_ble_gattc_config_mtu
**
** @brief Configure the MTU size in the GATT channel. This can be done
** only once per connection.
**
** @param[in] conn_id: connection ID.
** mtu: desired MTU size to use.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_config_mtu (uint16_t conn_id, uint16_t mtu);
/*******************************************************************************
**
** @function esp_ble_gattc_search_service
**
** @brief This function is called to request a GATT service discovery
** on a GATT server. This function report service search result
** by a callback event, and followed by a service search complete
** event.
**
** @param[in] conn_id: connection ID.
** @param[in] filter_uuid: a UUID of the service application is interested in.
** If Null, discover for all services.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_search_service(uint16_t conn_id, esp_bt_uuid_t *filter_uuid);
/****************************************************************************************************
**
** @function esp_ble_gattc_get_characteristic
**
** @brief This function is called to find the first characteristic of the
** service on the given server.
**
** @param[in] conn_id: connection ID which identify the server.
**
** @param[in] srvc_id: serivce ID
**
** @param[in] start_char_id: the start characteristic ID
**
** @return ESP_OK - success, other - failed
**
*****************************************************************************************************/
esp_err_t esp_ble_gattc_get_characteristic(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id, esp_gatt_id_t *start_char_id);
/****************************************************************************************************
**
** @function esp_ble_gattc_get_descriptor
**
** @brief This function is called to find the descriptor of the
** service on the given server.
**
** @param[in] conn_id: connection ID which identify the server.
** @param[in] srvc_id: the service ID of which the characteristic is belonged to.
** @param[in] char_id: Characteristic ID, if NULL find the first available
** characteristic.
** @param[in] start_descr_id: the sctart descriptor id
**
** @return ESP_OK - success, other - failed
**
*****************************************************************************************************/
esp_err_t esp_ble_gattc_get_descriptor(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id, esp_gatt_id_t *char_id,
esp_gatt_id_t *start_descr_id);
/****************************************************************************************************
**
** @function esp_ble_gattc_get_include_service
**
** @brief This function is called to find the first characteristic of the
** service on the given server.
**
** @param[in] conn_id: connection ID which identify the server.
** @param[in] srvc_id: the service ID of which the characteristic is belonged to.
** @param[in] start_incl_srvc_id: the start include service id
**
** @return ESP_OK - success, other - failed
**
*****************************************************************************************************/
esp_err_t esp_ble_gattc_get_included_service(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id, esp_gatt_srvc_id_t *start_incl_srvc_id);
/*******************************************************************************
**
** @function esp_ble_gattc_read_char
**
** @brief This function is called to read a service's characteristics of
** the given characteritisc ID.UTH_REQ_NO_SCATTERNET
**
** @param[in] conn_id - connectino ID.
** @param[in] srvc_id - serivcie ID.
** @param[in] char_id - characteritic ID to read.
** @param[in] auth_req - authenticate request type
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_read_char (uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
esp_gatt_auth_req_t auth_req);
/*******************************************************************************
**
** @function esp_ble_gattc_read_char_descr
**
** @brief This function is called to read a characteristics descriptor.
**
** @param[in] conn_id - connection ID.
** @param[in] srvc_id - serivcie ID.
** @param[in] descr_id - characteritic descriptor ID to read.
** @param[in] auth_req - authenticate request type
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_read_char_descr (uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
esp_gatt_id_t *descr_id,
esp_gatt_auth_req_t auth_req);
/*******************************************************************************
**
** @function esp_ble_gattc_write_char
**
** @brief This function is called to write characteristic value.
**
** @param[in] conn_id - connection ID.
** @param[in] srvc_id - serivcie ID.
** @param[in] char_id - characteristic ID to write.
** @param[in] value_len: length of the value to be written.
** @param[in] value - the value to be written.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_write_char( uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
uint16_t value_len,
uint8_t *value,
esp_gatt_auth_req_t auth_req);
/*******************************************************************************
**
** @function esp_ble_gattc_write_char_descr
**
** @brief This function is called to write characteristic descriptor value.
**
** @param[in] conn_id - connection ID
** @param[in] srvc_id - serivcie ID.
** @param[in] char_id - characteristic ID.
** @param[in] descr_id - characteristic descriptor ID to write.
** @param[in] value_len: length of the value to be written.
** @param[in] value - the value to be written.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_write_char_descr (uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
esp_gatt_id_t *descr_id,
uint16_t value_len,
uint8_t *value,
esp_gatt_auth_req_t auth_req);
/*******************************************************************************
**
** @function esp_ble_gattc_prepare_write
**
** @brief This function is called to prepare write a characteristic value.
**
** @param[in] conn_id - connection ID.
** @param[in] char_id - GATT characteritic ID of the service.
** @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.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_prepare_write(uint16_t conn_id,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id,
uint16_t offset,
uint16_t value_len,
uint8_t *value,
esp_gatt_auth_req_t auth_req);
/*******************************************************************************
**
** @function esp_ble_gattc_execu_write
**
** @brief This function is called to execute write a prepare write sequence.
**
** @param[in] conn_id - connection ID.
** @param[in] is_execute - execute or cancel.
**
** @return ESP_OK - success, other - failed
**
*******************************************************************************/
esp_err_t esp_ble_gattc_execute_write (uint16_t conn_id, bool is_execute);
/*******************************************************************************
**
** @function esp_ble_gattc_register_for_notify
**
** @brief This function is called to register for notification of a service.
**
** @param[in] gatt_if - gatt interface id.
** @param[in] bda - target GATT server.
** @param[in] srvc_id - pointer to GATT service ID.
** @param[in] char_id - pointer to GATT characteristic ID.
**
** @return OK if registration succeed, otherwise failed.
**
*******************************************************************************/
esp_gatt_status_t esp_ble_gattc_register_for_notify (esp_gatt_if_t gatt_if,
esp_bd_addr_t server_bda,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id);
/*******************************************************************************
**
** @function esp_ble_gattc_unregister_ntf
**
** @brief This function is called to de-register for notification of a service.
**
** @param[in] gatt_if - gatt interface id.
** @param[in] bda - target GATT server.
** @param[in] srvc_id - pointer to GATT service ID.
** @param[in] char_id - pointer to GATT characteristic ID.
**
** @return OK if deregistration succeed, otherwise failed.
**
*******************************************************************************/
esp_gatt_status_t esp_ble_gattc_unregister_for_notify (esp_gatt_if_t gatt_if,
esp_bd_addr_t server_bda,
esp_gatt_srvc_id_t *srvc_id,
esp_gatt_id_t *char_id);
#endif /* __ESP_GATTC_API_H__ */