391 lines
14 KiB
C
391 lines
14 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_GAP_BLE_API_H__
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#define __ESP_GAP_BLE_API_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#include "esp_bt_defs.h"
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#define ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT 0
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#define ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT 1
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#define ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT 2
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#define ESP_GAP_BLE_SCAN_RESULT_EVT 3
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#define ESP_BLE_ADV_DATA_LEN_MAX 31
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/****************** define the adv type macro***************************************/
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#define ESP_BLE_AD_TYPE_FLAG 0x01
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#define ESP_BLE_AD_TYPE_16SRV_PART 0x02
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#define ESP_BLE_AD_TYPE_16SRV_CMPL 0x03
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#define ESP_BLE_AD_TYPE_32SRV_PART 0x04
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#define ESP_BLE_AD_TYPE_32SRV_CMPL 0x05
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#define ESP_BLE_AD_TYPE_128SRV_PART 0x06
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#define ESP_BLE_AD_TYPE_128SRV_CMPL 0x07
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#define ESP_BLE_AD_TYPE_NAME_SHORT 0x08
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#define ESP_BLE_AD_TYPE_NAME_CMPL 0x09
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#define ESP_BLE_AD_TYPE_TX_PWR 0x0A
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#define ESP_BLE_AD_TYPE_DEV_CLASS 0x0D
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#define ESP_BLE_AD_TYPE_SM_TK 0x10
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#define ESP_BLE_AD_TYPE_SM_OOB_FLAG 0x11
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#define ESP_BLE_AD_TYPE_INT_RANGE 0x12
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#define ESP_BLE_AD_TYPE_SOL_SRV_UUID 0x14
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#define ESP_BLE_AD_TYPE_128SOL_SRV_UUID 0x15
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#define ESP_BLE_AD_TYPE_SERVICE_DATA 0x16
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#define ESP_BLE_AD_TYPE_PUBLIC_TARGET 0x17
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#define ESP_BLE_AD_TYPE_RANDOM_TARGET 0x18
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#define ESP_BLE_AD_TYPE_APPEARANCE 0x19
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#define ESP_BLE_AD_TYPE_ADV_INT 0x1A
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#define ESP_BLE_AD_TYPE_32SOL_SRV_UUID 0x1B
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#define ESP_BLE_AD_TYPE_32SERVICE_DATA 0x1C
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#define ESP_BLE_AD_TYPE_128SERVICE_DATA 0x1D
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#define ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE 0xFF
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typedef uint32_t esp_gap_ble_event_t;
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/// Advertising mode
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typedef enum {
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ADV_TYPE_IND = 0x00,
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ADV_TYPE_DIRECT_IND_HIGH = 0x01,
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ADV_TYPE_SCAN_IND = 0x02,
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ADV_TYPE_NONCONN_IND = 0x03,
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ADV_TYPE_DIRECT_IND_LOW = 0x04,
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} esp_ble_adv_type_t;
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typedef enum {
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ADV_CHNL_37 = 0x01,
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ADV_CHNL_38 = 0x02,
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ADV_CHNL_39 = 0x03,
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ADV_CHNL_ALL = 0x07,
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} esp_ble_adv_channel_t;
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typedef enum {
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///Allow both scan and connection requests from anyone
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ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY = 0x00,
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///Allow both scan req from White List devices only and connection req from anyone
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ADV_FILTER_ALLOW_SCAN_WLST_CON_ANY,
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///Allow both scan req from anyone and connection req from White List devices only
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ADV_FILTER_ALLOW_SCAN_ANY_CON_WLST,
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///Allow scan and connection requests from White List devices only
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ADV_FILTER_ALLOW_SCAN_WLST_CON_WLST,
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///Enumeration end value for advertising filter policy value check
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} esp_ble_adv_filter_t;
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typedef struct {
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uint16_t adv_int_min;
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uint16_t adv_int_max;
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esp_ble_adv_type_t adv_type;
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esp_ble_addr_type_t own_addr_type;
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esp_bd_addr_t peer_addr;
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esp_ble_addr_type_t peer_addr_type;
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esp_ble_adv_channel_t channel_map;
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esp_ble_adv_filter_t adv_filter_policy;
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} esp_ble_adv_params_t;
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typedef struct {
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bool set_scan_rsp;
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bool include_name;
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bool include_txpower;
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int min_interval;
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int max_interval;
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int appearance;
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uint16_t manufacturer_len;
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uint8_t *p_manufacturer_data;
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uint16_t service_data_len;
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uint8_t *p_service_data;
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uint16_t service_uuid_len;
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uint8_t *p_service_uuid;
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uint8_t flag;
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} esp_ble_adv_data_t;
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/// Own BD address source of the device
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typedef enum {
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/// Public Address
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ESP_PUBLIC_ADDR,
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/// Provided random address
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ESP_PROVIDED_RND_ADDR,
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/// Provided static random address
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ESP_GEN_STATIC_RND_ADDR,
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/// Generated resolvable private random address
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ESP_GEN_RSLV_ADDR,
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/// Generated non-resolvable private random address
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ESP_GEN_NON_RSLV_ADDR,
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/// Provided Reconnection address
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ESP_PROVIDED_RECON_ADDR,
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} esp_ble_own_addr_src_t;
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typedef enum {
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BLE_SCAN_TYPE_PASSIVE = 0x0,
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BLE_SCAN_TYPE_ACTIVE = 0x1,
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} esp_ble_scan_type_t;
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typedef enum {
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BLE_SCAN_FILTER_ALLOW_ALL = 0x0,
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BLE_SCAN_FILTER_ALLOW_ONLY_WLST = 0x1,
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BLE_SCAN_FILTER_ALLOW_UND_RPA_DIR = 0x2,
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BLE_SCAN_FILTER_ALLOW_WLIST_PRA_DIR = 0x3,
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} esp_ble_scan_filter_t;
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typedef struct {
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esp_ble_scan_type_t scan_type;
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esp_ble_addr_type_t own_addr_type;
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esp_ble_scan_filter_t scan_filter_policy;
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uint16_t scan_interval;
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uint16_t scan_window;
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} esp_ble_scan_params_t;
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typedef struct {
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esp_bd_addr_t bda;
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uint16_t min_int;
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uint16_t max_int;
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uint16_t latency;
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uint16_t timeout;
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} esp_ble_conn_update_params_t;
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typedef void (*esp_gap_ble_cb_t)(esp_gap_ble_event_t event, void *param);
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typedef enum {
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/* Search callback events */
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ESP_GAP_SEARCH_INQ_RES_EVT = 0, /* Inquiry result for a peer device. */
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ESP_GAP_SEARCH_INQ_CMPL_EVT = 1, /* Inquiry complete. */
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ESP_GAP_SEARCH_DISC_RES_EVT = 2, /* Discovery result for a peer device. */
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ESP_GAP_SEARCH_DISC_BLE_RES_EVT = 3, /* Discovery result for BLE GATT based servoce on a peer device. */
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ESP_GAP_SEARCH_DISC_CMPL_EVT = 4, /* Discovery complete. */
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ESP_GAP_SEARCH_DI_DISC_CMPL_EVT = 5, /* Discovery complete. */
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ESP_GAP_SEARCH_SEARCH_CANCEL_CMPL_EVT = 6, /* Search cancelled */
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} esp_gap_search_evt_t;
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typedef union {
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//ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT 0
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struct ble_adv_data_cmpl_evt_param {
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esp_bt_status_t status;
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} adv_data_cmpl;
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//ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT 1
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struct ble_scan_rsp_data_cmpl_evt_param {
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esp_bt_status_t status;
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} scan_rsp_data_cmpl;
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//ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT 2
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struct ble_scan_param_cmpl_evt_param {
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esp_bt_status_t status;
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} scan_param_cmpl;
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//ESP_GAP_BLE_SCAN_RESULT_EVT 3
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struct ble_scan_result_evt_param {
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esp_gap_search_evt_t search_evt;
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esp_bd_addr_t bda;
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esp_bt_dev_type_t dev_type;
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esp_ble_addr_type_t ble_addr_type;
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int rssi;
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uint8_t ble_adv[ESP_BLE_ADV_DATA_LEN_MAX]; /* received EIR */
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int flag;
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int num_resps;
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} scan_rst;
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} esp_ble_gap_cb_param_t;
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/*******************************************************************************
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**
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** @function esp_ble_gap_register_callback
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**
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** @brief This function is called to occur gap event, such as scan result
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**
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** @param[in] callback: callback function
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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_gap_register_callback(esp_profile_cb_t callback);
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/*******************************************************************************
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**
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** @function esp_ble_gap_config_adv_data
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**
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** @brief This function is called to override the BTA default ADV parameters.
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**
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** @param[in] adv_data: Pointer to User defined ADV data structure. This
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** memory space can not be freed until p_adv_data_cback
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** is received.
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** @param[in|out] adv_data_cback: set adv data complete callback.
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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_gap_config_adv_data (esp_ble_adv_data_t *adv_data);
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/*******************************************************************************
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**
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** @function esp_ble_gap_set_scan_params
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**
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** @brief This function is called to set scan parameters
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**
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** @param[in] esp_ble_scan_params: Pointer to User defined scan_params data structure. This
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** memory space can not be freed until scan_param_setup_cback
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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_gap_set_scan_params(esp_ble_scan_params_t *scan_params);
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/*******************************************************************************
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**
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** @function esp_ble_gap_start_scanning
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**
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** @brief This procedure keep the device scanning the peer device whith advertising on the air
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**
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** @param[in] duration: Keeping the scaning time, the unit is second.
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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_gap_start_scanning(uint32_t duration);
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/*******************************************************************************
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**
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** @function esp_ble_gap_stop_scanning
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**
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** @brief This function call to stop the device scanning the peer device whith advertising on the air
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** @param void
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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_gap_stop_scanning(void);
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/*******************************************************************************
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**
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** @function esp_ble_gap_start_advertising
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**
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** @brief This function is called to start advertising.
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**
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** @param[in] esp_ble_adv_params_all_t: ointer to User defined adv_params data structure.
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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_gap_start_advertising (esp_ble_adv_params_t *adv_params);
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/*******************************************************************************
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**
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** @function esp_gap_ble_stop_advertising
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**
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** @brief This function is called to stop advertising.
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**
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** @param None
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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_gap_stop_advertising(void);
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/*******************************************************************************
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**
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** @function esp_ble_update_conn_params
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**
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** @brief Update connection parameters, can only be used when connection is up.
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**
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** @param[in] param - connection update params
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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_gap_update_conn_params(esp_ble_conn_update_params_t *params);
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/*******************************************************************************
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**
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** @function esp_ble_gap_set_pkt_data_len
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**
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** @brief This function is to set maximum LE data packet size
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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_gap_set_pkt_data_len(esp_bd_addr_t remote_device, uint16_t tx_data_length);
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/*******************************************************************************
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**
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** @function esp_ble_gap_set_rand_addr
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**
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** @brief This function set the random address for the appliction
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**
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** @param[in] rand_addr: the random address whith should be setting
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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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*******************************************************************************/
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esp_err_t esp_ble_gap_set_rand_addr(esp_bd_addr_t rand_addr);
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/*******************************************************************************
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**
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** @function esp_ble_gap_config_local_privacy
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**
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** @brief Enable/disable privacy on the local device
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**
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** @param[in] privacy_enable - enable/disabe privacy on remote device.
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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_gap_config_local_privacy (bool privacy_enable);
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/*******************************************************************************
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**
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** @function esp_ble_gap_set_device_name
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**
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** @brief Set device name to the local device
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**
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** @param[in] name - device name.
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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_gap_set_device_name(char *name);
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/*******************************************************************************
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**
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** @function esp_ble_resolve_adv_data
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**
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** @brief This function is called to get ADV data for a specific type.
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**
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** @param[in] p_adv - pointer of ADV data whitch to be resolved
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** @param[in] type - finding ADV data type
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** @param[out] p_length - return the length of ADV data not including type
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**
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** @return pointer of ADV data
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**
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*******************************************************************************/
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uint8_t *esp_ble_resolve_adv_data( uint8_t *p_adv, uint8_t type, uint8_t *p_length );
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#endif /* __ESP_GAP_BLE_API_H__ */
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