434 lines
18 KiB
C
434 lines
18 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __ESP_GATTS_API_H__
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#define __ESP_GATTS_API_H__
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#include "bt_types.h"
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#include "esp_bt_defs.h"
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#include "esp_gatt_defs.h"
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#include "bta_gatt_api.h"
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#include "esp_err.h"
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/* GATT Server Data Structure */
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/* Server callback function events */
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#define ESP_GATTS_REG_EVT 0
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#define ESP_GATTS_READ_EVT 1
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#define ESP_GATTS_WRITE_EVT 2
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#define ESP_GATTS_EXEC_WRITE_EVT 3
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#define ESP_GATTS_MTU_EVT 4
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#define ESP_GATTS_CONF_EVT 5
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#define ESP_GATTS_UNREG_EVT 6
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#define ESP_GATTS_CREATE_EVT 7
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#define ESP_GATTS_ADD_INCL_SRVC_EVT 8
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#define ESP_GATTS_ADD_CHAR_EVT 9
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#define ESP_GATTS_ADD_CHAR_DESCR_EVT 10
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#define ESP_GATTS_DELETE_EVT 11
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#define ESP_GATTS_START_EVT 12
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#define ESP_GATTS_STOP_EVT 13
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#define ESP_GATTS_CONNECT_EVT 14
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#define ESP_GATTS_DISCONNECT_EVT 15
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#define ESP_GATTS_OPEN_EVT 16
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#define ESP_GATTS_CANCEL_OPEN_EVT 17
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#define ESP_GATTS_CLOSE_EVT 18
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#define ESP_GATTS_LISTEN_EVT 19
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#define ESP_GATTS_CONGEST_EVT 20
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/* following is extra event */
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#define ESP_GATTS_RESPONSE_EVT 21
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/* esp_ble_gatts_cb_param_t */
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typedef union {
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//ESP_GATTS_REG_EVT
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struct gatts_reg_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t app_id; /*!< Application id which input in register API */
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} reg; /*!< Gatt server callback param of ESP_GATTS_REG_EVT */
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// param for ESP_GATTS_READ_EVT
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struct gatts_read_evt_param {
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uint16_t conn_id; /*!< Connection id */
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uint32_t trans_id; /*!< Transfer id */
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esp_bd_addr_t bda; /*!< The bluetooth device address which been read */
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uint16_t handle; /*!< The attribute handle */
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uint16_t offset; /*!< Offset of the value, if the value is too long */
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bool is_long; /*!< The value is too long or not */
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} read; /*!< Gatt server callback param of ESP_GATTS_READ_EVT */
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// param for ESP_GATTS_WRITE_EVT
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struct gatts_write_evt_param {
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uint16_t conn_id; /*!< Connection id */
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uint32_t trans_id; /*!< Transfer id */
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esp_bd_addr_t bda; /*!< The bluetooth device address which been written */
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uint16_t handle; /*!< The attribute handle */
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uint16_t offset; /*!< Offset of the value, if the value is too long */
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bool need_rsp; /*!< The write operation need to do response */
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bool is_prep; /*!< This write operation is prepare write */
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uint16_t len; /*!< The write attribute value length */
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uint8_t *value; /*!< The write attribute value */
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} write; /*!< Gatt server callback param of ESP_GATTS_WRITE_EVT */
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// param for ESP_GATTS_EXEC_WRITE_EVT
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struct gatts_exec_write_evt_param {
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uint16_t conn_id; /*!< Connection id */
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uint32_t trans_id; /*!< Transfer id */
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esp_bd_addr_t bda; /*!< The bluetooth device address which been written */
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#define ESP_GATT_PREP_WRITE_CANCEL 0x00
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#define ESP_GATT_PREP_WRITE_EXEC 0x01
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uint8_t exec_write_flag; /*!< Execute write flag */
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} exec_write; /*!< Gatt server callback param of ESP_GATTS_EXEC_WRITE_EVT */
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// param for ESP_GATTS_MTU_EVT
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struct gatts_mtu_evt_param {
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uint16_t conn_id; /*!< Connection id */
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uint16_t mtu; /*!< MTU size */
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} mtu; /*!< Gatt server callback param of ESP_GATTS_MTU_EVT */
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// param for ESP_GATTS_CONF_EVT
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struct gatts_conf_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t conn_id; /*!< Connection id */
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} conf; /*!< Gatt server callback param of ESP_GATTS_CONF_EVT (confirm) */
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// param for ESP_GATTS_UNREG_EVT, NONE
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// param for ESP_GATTS_CREATE_EVT
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struct gatts_create_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t service_handle; /*!< Service attribute handle */
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esp_gatt_srvc_id_t service_id; /*!< Service id, include service uuid and other information */
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} create; /*!< Gatt server callback param of ESP_GATTS_CREATE_EVT */
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// param for ESP_GATTS_ADD_INCL_SRVC_EVT
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struct gatts_add_incl_srvc_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t attr_handle; /*!< Included service attribute handle */
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uint16_t service_handle; /*!< Service attribute handle */
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} add_incl_srvc; /*!< Gatt server callback param of ESP_GATTS_ADD_INCL_SRVC_EVT */
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// param for ESP_GATTS_ADD_CHAR_EVT
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struct gatts_add_char_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t attr_handle; /*!< Characteristic attribute handle */
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uint16_t service_handle; /*!< Service attribute handle */
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esp_bt_uuid_t char_uuid; /*!< Characteristic uuid */
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} add_char; /*!< Gatt server callback param of ESP_GATTS_ADD_CHAR_EVT */
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// param for ESP_GATTS_ADD_CHAR_DESCR_EVT
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struct gatts_add_char_descr_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t attr_handle; /*!< Descriptor attribute handle */
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uint16_t service_handle; /*!< Service attribute handle */
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esp_bt_uuid_t char_uuid; /*!< Characteristic uuid */
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} add_char_descr; /*!< Gatt server callback param of ESP_GATTS_ADD_CHAR_DESCR_EVT */
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// param for ESP_GATTS_DELETE_EVT
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struct gatts_delete_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t service_handle; /*!< Service attribute handle */
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} del; /*!< Gatt server callback param of ESP_GATTS_DELETE_EVT */
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// param for ESP_GATTS_START_EVT
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struct gatts_start_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t service_handle; /*!< Service attribute handle */
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} start; /*!< Gatt server callback param of ESP_GATTS_START_EVT */
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// param for ESP_GATTS_STOP_EVT
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struct gatts_stop_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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uint16_t service_handle; /*!< Service attribute handle */
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} stop; /*!< Gatt server callback param of ESP_GATTS_STOP_EVT */
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// param for ESP_GATTS_CONNECT_EVT
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struct gatts_connect_evt_param {
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uint16_t conn_id; /*!< Connection id */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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esp_bd_addr_t remote_bda; /*!< Remote bluetooth device address */
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bool is_connected; /*!< Indicate it is connected or not */
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} connect; /*!< Gatt server callback param of ESP_GATTS_CONNECT_EVT */
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// param for ESP_GATTS_DISCONNECT_EVT
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struct gatts_disconnect_evt_param {
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uint16_t conn_id; /*!< Connection id */
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uint16_t gatt_if; /*!< Gatt interface id, different application on gatt client different gatt_if */
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esp_bd_addr_t remote_bda; /*!< Remote bluetooth device address */
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bool is_connected; /*!< Indicate it is connected or not */
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} disconnect; /*!< Gatt server callback param of ESP_GATTS_DISCONNECT_EVT */
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// param for ESP_GATTS_OPEN_EVT none
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// param for ESP_GATTS_CANCEL_OPEN_EVT none
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// param for ESP_GATTS_CLOSE_EVT none
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// param for ESP_GATTS_LISTEN_EVT none
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// param for ESP_GATTS_CONGEST_EVT
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struct gatts_congest_evt_param {
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uint16_t conn_id; /*!< Connection id */
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bool congested; /*!< Congested or not */
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} congest; /*!< Gatt server callback param of ESP_GATTS_CONGEST_EVT */
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// param for ESP_GATTS_RESPONSE_EVT
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struct gatts_rsp_evt_param {
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esp_gatt_status_t status; /*!< Operation status */
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uint16_t handle; /*!< Attribute handle which send response */
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} rsp; /*!< Gatt server callback param of ESP_GATTS_RESPONSE_EVT */
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} esp_ble_gatts_cb_param_t;
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/*******************************************************************************
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**
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** @function esp_ble_gatts_register_callback
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**
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** @brief This function is called to register application callbacks
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** with BTA GATTS module.
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**
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_register_callback(esp_profile_cb_t callback);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_app_register
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**
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** @brief This function is called to register application identifier
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**
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_app_register(uint16_t app_id);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_app_unregister
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**
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** @brief unregister with GATT Server.
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**
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** @param[in] gatt_if: gatt interface id.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_app_unregister(esp_gatt_if_t gatt_if);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_create_service
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**
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** @brief Create a service. When service creation is done, a callback
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** event BTA_GATTS_CREATE_SRVC_EVT is called to report status
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** and service ID to the profile. The service ID obtained in
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** the callback function needs to be used when adding included
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** service and characteristics/descriptors into the service.
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**
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** @param[in] gatt_if: gatt interface ID
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** @param[in] service_id: service ID.
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** @param[in] num_handle: number of handle requested for this service.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_create_service(esp_gatt_if_t gatt_if,
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esp_gatt_srvc_id_t *service_id, uint16_t num_handle);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_add_included_service
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**
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** @brief This function is called to add an included service. After included
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** service is included, a callback event BTA_GATTS_ADD_INCL_SRVC_EVT
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** is reported the included service ID.
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**
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** @param[in] service_handle: service handle to which this included service is to
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** be added.
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** @param[in] included_service_handle: the service ID to be included.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_add_included_service(uint16_t service_handle, uint16_t included_service_handle);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_add_char
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**
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** @brief This function is called to add a characteristic into a service.
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**
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** @param[in] service_handle: service handle to which this included service is to
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** be added.
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** @param[in] char_uuid : Characteristic UUID.
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** @param[in] perm : Characteristic value declaration attribute permission.
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** @param[in] property : Characteristic Properties
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_add_char(uint16_t service_handle, esp_bt_uuid_t *char_uuid,
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esp_gatt_perm_t perm, esp_gatt_char_prop_t property);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_add_char_descr
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**
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** @brief This function is called to add characteristic descriptor. When
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** it's done, a callback event BTA_GATTS_ADD_DESCR_EVT is called
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** to report the status and an ID number for this descriptor.
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**
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** @param[in] service_handle: service handle to which this characteristic descriptor is to
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** be added.
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** @param[in] perm: descriptor access permission.
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** @param[in] descr_uuid: descriptor UUID.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_add_char_descr (uint16_t service_handle,
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esp_bt_uuid_t *descr_uuid,
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esp_gatt_perm_t perm);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_delete_service
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**
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** @brief This function is called to delete a service. When this is done,
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** a callback event BTA_GATTS_DELETE_EVT is report with the status.
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**
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** @param[in] service_handled: service_handle to be deleted.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_delete_service(uint16_t service_handle);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_start_service
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**
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** @brief This function is called to start a service.
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**
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** @param[in] service_handle: the service handle to be started.
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** @param[in] sup_transport: supported transport.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_start_service(uint16_t service_handle);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_stop_service
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**
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** @brief This function is called to stop a service.
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**
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** @param[in] service_handle - service to be topped.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_stop_service(uint16_t service_handle);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_send_indicate
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**
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** @brief This function is called to read a characteristics descriptor.
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**
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** @param[in] conn_id - connection id to indicate.
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** @param[in] attribute_handle - attribute handle to indicate.
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** @param[in] value_len - indicate value length.
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** @param[in] value: value to indicate.
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** @param[in] need_confirm - if this indication expects a confirmation or not.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_send_indicate(uint16_t conn_id, uint16_t attr_handle,
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uint16_t value_len, uint8_t *value, bool need_confirm);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_send_rsp
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**
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** @brief This function is called to send a response to a request.
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**
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** @param[in] conn_id - connection identifier.
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** @param[in] trans_id - transfer id
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** @param[in] status - response status
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** @param[in] rsp - response data.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_send_response(uint16_t conn_id, uint32_t trans_id,
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esp_gatt_status_t status, esp_gatt_rsp_t *rsp);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_open
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**
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** @brief Open a direct open connection or add a background auto connection
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**
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** @param[in] gatt_if: application ID.
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** @param[in] remote_bda: remote device bluetooth device address.
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** @param[in] is_direct: direct connection or background auto connection
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_open(esp_gatt_if_t gatt_if, esp_bd_addr_t remote_bda, bool is_direct);
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/*******************************************************************************
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**
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** @function esp_ble_gatts_close
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**
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** @brief Close a connection a remote device.
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**
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** @param[in] conn_id: connection ID to be closed.
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**
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** @return ESP_OK - success, other - failed
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**
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*******************************************************************************/
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esp_err_t esp_ble_gatts_close(uint16_t conn_id);
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#endif /* __ESP_GATTS_API_H__ */
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