327 lines
11 KiB
C
327 lines
11 KiB
C
// 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.
|
|
|
|
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#include "freertos/event_groups.h"
|
|
#include "esp_system.h"
|
|
#include "esp_log.h"
|
|
#include "nvs_flash.h"
|
|
#include "bt.h"
|
|
#include "bta_api.h"
|
|
|
|
#include "esp_gap_ble_api.h"
|
|
#include "esp_gatts_api.h"
|
|
#include "esp_bt_defs.h"
|
|
#include "esp_bt_main.h"
|
|
#include "esp_bt_main.h"
|
|
#include "gatts_table_creat_demo.h"
|
|
|
|
|
|
#define HEART_PROFILE_NUM 1
|
|
#define HEART_PROFILE_APP_IDX 0
|
|
#define ESP_HEART_RATE_APP_ID 0x55
|
|
#define SAMPLE_DEVICE_NAME "ESP_HEART_RATE"
|
|
#define SAMPLE_MANUFACTURER_DATA_LEN 17
|
|
#define HEART_RATE_SVC_INST_ID 0
|
|
|
|
#define GATTS_DEMO_CHAR_VAL_LEN_MAX 0x40
|
|
|
|
uint8_t char1_str[] ={0x11,0x22,0x33};
|
|
|
|
uint16_t heart_rate_handle_table[HRS_IDX_NB];
|
|
|
|
esp_attr_value_t gatts_demo_char1_val =
|
|
{
|
|
.attr_max_len = GATTS_DEMO_CHAR_VAL_LEN_MAX,
|
|
.attr_len = sizeof(char1_str),
|
|
.attr_value = char1_str,
|
|
};
|
|
|
|
|
|
static uint8_t heart_rate_service_uuid[16] = {
|
|
/* LSB <--------------------------------------------------------------------------------> MSB */
|
|
//first uuid, 16bit, [12],[13] is the value
|
|
0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x18, 0x0D, 0x00, 0x00,
|
|
};
|
|
|
|
|
|
static esp_ble_adv_data_t heart_rate_adv_config = {
|
|
.set_scan_rsp = false,
|
|
.include_name = true,
|
|
.include_txpower = true,
|
|
.min_interval = 0x20,
|
|
.max_interval = 0x40,
|
|
.appearance = 0x00,
|
|
.manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN,
|
|
.p_manufacturer_data = NULL, //&test_manufacturer[0],
|
|
.service_data_len = 0,
|
|
.p_service_data = NULL,
|
|
.service_uuid_len = 32,
|
|
.p_service_uuid = heart_rate_service_uuid,
|
|
.flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
|
|
};
|
|
|
|
static esp_ble_adv_params_t heart_rate_adv_params = {
|
|
.adv_int_min = 0x20,
|
|
.adv_int_max = 0x40,
|
|
.adv_type = ADV_TYPE_IND,
|
|
.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
|
|
//.peer_addr =
|
|
//.peer_addr_type =
|
|
.channel_map = ADV_CHNL_ALL,
|
|
.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
|
|
};
|
|
|
|
struct gatts_profile_inst {
|
|
esp_gatts_cb_t gatts_cb;
|
|
uint16_t gatts_if;
|
|
uint16_t app_id;
|
|
uint16_t conn_id;
|
|
uint16_t service_handle;
|
|
esp_gatt_srvc_id_t service_id;
|
|
uint16_t char_handle;
|
|
esp_bt_uuid_t char_uuid;
|
|
esp_gatt_perm_t perm;
|
|
esp_gatt_char_prop_t property;
|
|
uint16_t descr_handle;
|
|
esp_bt_uuid_t descr_uuid;
|
|
};
|
|
|
|
static void gatts_profile_event_handler(esp_gatts_cb_event_t event,
|
|
esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
|
|
|
|
/* One gatt-based profile one app_id and one gatts_if, this array will store the gatts_if returned by ESP_GATTS_REG_EVT */
|
|
static struct gatts_profile_inst heart_rate_profile_tab[HEART_PROFILE_NUM] = {
|
|
[HEART_PROFILE_APP_IDX] = {
|
|
.gatts_cb = gatts_profile_event_handler,
|
|
.gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
|
|
},
|
|
|
|
};
|
|
|
|
/*
|
|
* HTPT PROFILE ATTRIBUTES
|
|
****************************************************************************************
|
|
*/
|
|
|
|
|
|
/*
|
|
* Heart Rate PROFILE ATTRIBUTES
|
|
****************************************************************************************
|
|
*/
|
|
|
|
/// Heart Rate Sensor Service
|
|
static const uint16_t heart_rate_svc = ESP_GATT_UUID_HEART_RATE_SVC;
|
|
|
|
#define CHAR_DECLARATION_SIZE (sizeof(uint8_t))
|
|
static const uint16_t primary_service_uuid = ESP_GATT_UUID_PRI_SERVICE;
|
|
static const uint16_t character_declaration_uuid = ESP_GATT_UUID_CHAR_DECLARE;
|
|
static const uint16_t character_client_config_uuid = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
|
|
static const uint8_t char_prop_notify = ESP_GATT_CHAR_PROP_BIT_NOTIFY;
|
|
static const uint8_t char_prop_read = ESP_GATT_CHAR_PROP_BIT_READ;
|
|
static const uint8_t char_prop_read_write = ESP_GATT_CHAR_PROP_BIT_WRITE|ESP_GATT_CHAR_PROP_BIT_READ;
|
|
|
|
/// Heart Rate Sensor Service - Heart Rate Measurement Characteristic, notify
|
|
static const uint16_t heart_rate_meas_uuid = ESP_GATT_HEART_RATE_MEAS;
|
|
static const uint8_t heart_measurement_ccc[2] ={ 0x00, 0x00};
|
|
|
|
|
|
/// Heart Rate Sensor Service -Body Sensor Location characteristic, read
|
|
static const uint16_t body_sensor_location_uuid = ESP_GATT_BODY_SENSOR_LOCATION;
|
|
static const uint8_t body_sensor_loc_val[1] = {0x00};
|
|
|
|
|
|
/// Heart Rate Sensor Service - Heart Rate Control Point characteristic, write&read
|
|
static const uint16_t heart_rate_ctrl_point = ESP_GATT_HEART_RATE_CNTL_POINT;
|
|
static const uint8_t heart_ctrl_point[1] = {0x00};
|
|
|
|
/// Full HRS Database Description - Used to add attributes into the database
|
|
static const esp_gatts_attr_db_t heart_rate_gatt_db[HRS_IDX_NB] =
|
|
{
|
|
// Heart Rate Service Declaration
|
|
[HRS_IDX_SVC] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ,
|
|
sizeof(uint16_t), sizeof(heart_rate_svc), (uint8_t *)&heart_rate_svc}},
|
|
|
|
// Heart Rate Measurement Characteristic Declaration
|
|
[HRS_IDX_HR_MEAS_CHAR] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
|
|
CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_notify}},
|
|
|
|
// Heart Rate Measurement Characteristic Value
|
|
[HRS_IDX_HR_MEAS_VAL] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&heart_rate_meas_uuid, ESP_GATT_PERM_READ,
|
|
HRPS_HT_MEAS_MAX_LEN,0, NULL}},
|
|
|
|
// Heart Rate Measurement Characteristic - Client Characteristic Configuration Descriptor
|
|
[HRS_IDX_HR_MEAS_NTF_CFG] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_client_config_uuid, ESP_GATT_PERM_READ|ESP_GATT_PERM_WRITE,
|
|
sizeof(uint16_t),sizeof(heart_measurement_ccc), (uint8_t *)heart_measurement_ccc}},
|
|
|
|
// Body Sensor Location Characteristic Declaration
|
|
[HRS_IDX_BOBY_SENSOR_LOC_CHAR] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
|
|
CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read}},
|
|
|
|
// Body Sensor Location Characteristic Value
|
|
[HRS_IDX_BOBY_SENSOR_LOC_VAL] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&body_sensor_location_uuid, ESP_GATT_PERM_READ,
|
|
sizeof(uint8_t), sizeof(body_sensor_loc_val), (uint8_t *)body_sensor_loc_val}},
|
|
|
|
// Heart Rate Control Point Characteristic Declaration
|
|
[HRS_IDX_HR_CTNL_PT_CHAR] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
|
|
CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_write}},
|
|
|
|
// Heart Rate Control Point Characteristic Value
|
|
[HRS_IDX_HR_CTNL_PT_VAL] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&heart_rate_ctrl_point, ESP_GATT_PERM_WRITE|ESP_GATT_PERM_READ,
|
|
sizeof(uint8_t), sizeof(heart_ctrl_point), (uint8_t *)heart_ctrl_point}},
|
|
};
|
|
|
|
|
|
|
|
static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
|
|
{
|
|
LOG_ERROR("GAP_EVT, event %d\n", event);
|
|
|
|
switch (event) {
|
|
case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
|
|
esp_ble_gap_start_advertising(&heart_rate_adv_params);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void gatts_profile_event_handler(esp_gatts_cb_event_t event,
|
|
esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
|
|
{
|
|
LOG_ERROR("event = %x\n",event);
|
|
switch (event) {
|
|
case ESP_GATTS_REG_EVT:
|
|
LOG_INFO("%s %d\n", __func__, __LINE__);
|
|
esp_ble_gap_set_device_name(SAMPLE_DEVICE_NAME);
|
|
LOG_INFO("%s %d\n", __func__, __LINE__);
|
|
esp_ble_gap_config_adv_data(&heart_rate_adv_config);
|
|
|
|
LOG_INFO("%s %d\n", __func__, __LINE__);
|
|
esp_ble_gatts_create_attr_tab(heart_rate_gatt_db, gatts_if,
|
|
HRS_IDX_NB, HEART_RATE_SVC_INST_ID);
|
|
break;
|
|
case ESP_GATTS_READ_EVT:
|
|
|
|
break;
|
|
case ESP_GATTS_WRITE_EVT:
|
|
break;
|
|
case ESP_GATTS_EXEC_WRITE_EVT:
|
|
break;
|
|
case ESP_GATTS_MTU_EVT:
|
|
break;
|
|
case ESP_GATTS_CONF_EVT:
|
|
break;
|
|
case ESP_GATTS_UNREG_EVT:
|
|
break;
|
|
case ESP_GATTS_DELETE_EVT:
|
|
break;
|
|
case ESP_GATTS_START_EVT:
|
|
break;
|
|
case ESP_GATTS_STOP_EVT:
|
|
break;
|
|
case ESP_GATTS_CONNECT_EVT:
|
|
break;
|
|
case ESP_GATTS_DISCONNECT_EVT:
|
|
break;
|
|
case ESP_GATTS_OPEN_EVT:
|
|
break;
|
|
case ESP_GATTS_CANCEL_OPEN_EVT:
|
|
break;
|
|
case ESP_GATTS_CLOSE_EVT:
|
|
break;
|
|
case ESP_GATTS_LISTEN_EVT:
|
|
break;
|
|
case ESP_GATTS_CONGEST_EVT:
|
|
break;
|
|
case ESP_GATTS_CREAT_ATTR_TAB_EVT:{
|
|
LOG_ERROR("The number handle =%x\n",param->add_attr_tab.num_handle);
|
|
if(param->add_attr_tab.num_handle == HRS_IDX_NB){
|
|
memcpy(heart_rate_handle_table, param->add_attr_tab.handles,
|
|
sizeof(heart_rate_handle_table));
|
|
esp_ble_gatts_start_service(heart_rate_handle_table[HRS_IDX_SVC]);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if,
|
|
esp_ble_gatts_cb_param_t *param)
|
|
{
|
|
LOG_INFO("EVT %d, gatts if %d\n", event, gatts_if);
|
|
|
|
/* If event is register event, store the gatts_if for each profile */
|
|
if (event == ESP_GATTS_REG_EVT) {
|
|
if (param->reg.status == ESP_GATT_OK) {
|
|
heart_rate_profile_tab[HEART_PROFILE_APP_IDX].gatts_if = gatts_if;
|
|
} else {
|
|
LOG_INFO("Reg app failed, app_id %04x, status %d\n",
|
|
param->reg.app_id,
|
|
param->reg.status);
|
|
return;
|
|
}
|
|
}
|
|
|
|
do {
|
|
int idx;
|
|
for (idx = 0; idx < HEART_PROFILE_NUM; idx++) {
|
|
if (gatts_if == ESP_GATT_IF_NONE || /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
|
|
gatts_if == heart_rate_profile_tab[idx].gatts_if) {
|
|
if (heart_rate_profile_tab[idx].gatts_cb) {
|
|
heart_rate_profile_tab[idx].gatts_cb(event, gatts_if, param);
|
|
}
|
|
}
|
|
}
|
|
} while (0);
|
|
}
|
|
|
|
void app_main()
|
|
{
|
|
esp_err_t ret;
|
|
|
|
esp_bt_controller_init();
|
|
LOG_INFO("%s init bluetooth\n", __func__);
|
|
ret = esp_bluedroid_init();
|
|
if (ret) {
|
|
LOG_ERROR("%s init bluetooth failed\n", __func__);
|
|
return;
|
|
}
|
|
ret = esp_bluedroid_enable();
|
|
if (ret) {
|
|
LOG_ERROR("%s enable bluetooth failed\n", __func__);
|
|
return;
|
|
}
|
|
|
|
esp_ble_gatts_register_callback(gatts_event_handler);
|
|
esp_ble_gap_register_callback(gap_event_handler);
|
|
esp_ble_gatts_app_register(ESP_HEART_RATE_APP_ID);
|
|
return;
|
|
}
|