586 lines
24 KiB
C
586 lines
24 KiB
C
/*
|
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
|
|
Unless required by applicable law or agreed to in writing, this
|
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
CONDITIONS OF ANY KIND, either express or implied.
|
|
*/
|
|
|
|
#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 "esp_bt.h"
|
|
|
|
#include "esp_gap_ble_api.h"
|
|
#include "esp_gatts_api.h"
|
|
#include "esp_bt_defs.h"
|
|
#include "esp_bt_main.h"
|
|
#include "example_ble_sec_gatts_demo.h"
|
|
|
|
#define GATTS_TABLE_TAG "SEC_GATTS_DEMO"
|
|
|
|
#define HEART_PROFILE_NUM 1
|
|
#define HEART_PROFILE_APP_IDX 0
|
|
#define ESP_HEART_RATE_APP_ID 0x55
|
|
#define EXAMPLE_DEVICE_NAME "ESP_BLE_SECURITY"
|
|
#define HEART_RATE_SVC_INST_ID 0
|
|
|
|
#define GATTS_DEMO_CHAR_VAL_LEN_MAX 0x40
|
|
|
|
#define ADV_CONFIG_FLAG (1 << 0)
|
|
#define SCAN_RSP_CONFIG_FLAG (1 << 1)
|
|
|
|
static uint8_t adv_config_done = 0;
|
|
|
|
static uint16_t heart_rate_handle_table[HRS_IDX_NB];
|
|
|
|
static uint8_t test_manufacturer[3]={'E', 'S', 'P'};
|
|
|
|
static uint8_t sec_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,
|
|
};
|
|
|
|
// config adv data
|
|
static esp_ble_adv_data_t heart_rate_adv_config = {
|
|
.set_scan_rsp = false,
|
|
.include_txpower = true,
|
|
.min_interval = 0x0006, //slave connection min interval, Time = min_interval * 1.25 msec
|
|
.max_interval = 0x0010, //slave connection max interval, Time = max_interval * 1.25 msec
|
|
.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 = sizeof(sec_service_uuid),
|
|
.p_service_uuid = sec_service_uuid,
|
|
.flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
|
|
};
|
|
// config scan response data
|
|
static esp_ble_adv_data_t heart_rate_scan_rsp_config = {
|
|
.set_scan_rsp = true,
|
|
.include_name = true,
|
|
.manufacturer_len = sizeof(test_manufacturer),
|
|
.p_manufacturer_data = test_manufacturer,
|
|
};
|
|
|
|
static esp_ble_adv_params_t heart_rate_adv_params = {
|
|
.adv_int_min = 0x100,
|
|
.adv_int_max = 0x100,
|
|
.adv_type = ADV_TYPE_IND,
|
|
.own_addr_type = BLE_ADDR_TYPE_RANDOM,
|
|
.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 */
|
|
},
|
|
|
|
};
|
|
|
|
/*
|
|
* 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_ENCRYPTED,
|
|
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_ENCRYPTED|ESP_GATT_PERM_READ_ENCRYPTED,
|
|
sizeof(uint8_t), sizeof(heart_ctrl_point), (uint8_t *)heart_ctrl_point}},
|
|
};
|
|
|
|
static char *esp_key_type_to_str(esp_ble_key_type_t key_type)
|
|
{
|
|
char *key_str = NULL;
|
|
switch(key_type) {
|
|
case ESP_LE_KEY_NONE:
|
|
key_str = "ESP_LE_KEY_NONE";
|
|
break;
|
|
case ESP_LE_KEY_PENC:
|
|
key_str = "ESP_LE_KEY_PENC";
|
|
break;
|
|
case ESP_LE_KEY_PID:
|
|
key_str = "ESP_LE_KEY_PID";
|
|
break;
|
|
case ESP_LE_KEY_PCSRK:
|
|
key_str = "ESP_LE_KEY_PCSRK";
|
|
break;
|
|
case ESP_LE_KEY_PLK:
|
|
key_str = "ESP_LE_KEY_PLK";
|
|
break;
|
|
case ESP_LE_KEY_LLK:
|
|
key_str = "ESP_LE_KEY_LLK";
|
|
break;
|
|
case ESP_LE_KEY_LENC:
|
|
key_str = "ESP_LE_KEY_LENC";
|
|
break;
|
|
case ESP_LE_KEY_LID:
|
|
key_str = "ESP_LE_KEY_LID";
|
|
break;
|
|
case ESP_LE_KEY_LCSRK:
|
|
key_str = "ESP_LE_KEY_LCSRK";
|
|
break;
|
|
default:
|
|
key_str = "INVALID BLE KEY TYPE";
|
|
break;
|
|
|
|
}
|
|
|
|
return key_str;
|
|
}
|
|
|
|
static char *esp_auth_req_to_str(esp_ble_auth_req_t auth_req)
|
|
{
|
|
char *auth_str = NULL;
|
|
switch(auth_req) {
|
|
case ESP_LE_AUTH_NO_BOND:
|
|
auth_str = "ESP_LE_AUTH_NO_BOND";
|
|
break;
|
|
case ESP_LE_AUTH_BOND:
|
|
auth_str = "ESP_LE_AUTH_BOND";
|
|
break;
|
|
case ESP_LE_AUTH_REQ_MITM:
|
|
auth_str = "ESP_LE_AUTH_REQ_MITM";
|
|
break;
|
|
case ESP_LE_AUTH_REQ_BOND_MITM:
|
|
auth_str = "ESP_LE_AUTH_REQ_BOND_MITM";
|
|
break;
|
|
case ESP_LE_AUTH_REQ_SC_ONLY:
|
|
auth_str = "ESP_LE_AUTH_REQ_SC_ONLY";
|
|
break;
|
|
case ESP_LE_AUTH_REQ_SC_BOND:
|
|
auth_str = "ESP_LE_AUTH_REQ_SC_BOND";
|
|
break;
|
|
case ESP_LE_AUTH_REQ_SC_MITM:
|
|
auth_str = "ESP_LE_AUTH_REQ_SC_MITM";
|
|
break;
|
|
case ESP_LE_AUTH_REQ_SC_MITM_BOND:
|
|
auth_str = "ESP_LE_AUTH_REQ_SC_MITM_BOND";
|
|
break;
|
|
default:
|
|
auth_str = "INVALID BLE AUTH REQ";
|
|
break;
|
|
}
|
|
|
|
return auth_str;
|
|
}
|
|
|
|
static void show_bonded_devices(void)
|
|
{
|
|
int dev_num = esp_ble_get_bond_device_num();
|
|
|
|
esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
|
|
esp_ble_get_bond_device_list(&dev_num, dev_list);
|
|
ESP_LOGI(GATTS_TABLE_TAG, "Bonded devices number : %d\n", dev_num);
|
|
|
|
ESP_LOGI(GATTS_TABLE_TAG, "Bonded devices list : %d\n", dev_num);
|
|
for (int i = 0; i < dev_num; i++) {
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, (void *)dev_list[i].bd_addr, sizeof(esp_bd_addr_t));
|
|
}
|
|
|
|
free(dev_list);
|
|
}
|
|
|
|
static void __attribute__((unused)) remove_all_bonded_devices(void)
|
|
{
|
|
int dev_num = esp_ble_get_bond_device_num();
|
|
|
|
esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
|
|
esp_ble_get_bond_device_list(&dev_num, dev_list);
|
|
for (int i = 0; i < dev_num; i++) {
|
|
esp_ble_remove_bond_device(dev_list[i].bd_addr);
|
|
}
|
|
|
|
free(dev_list);
|
|
}
|
|
|
|
static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
|
|
{
|
|
ESP_LOGV(GATTS_TABLE_TAG, "GAP_EVT, event %d\n", event);
|
|
|
|
switch (event) {
|
|
case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
|
|
adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
|
|
if (adv_config_done == 0){
|
|
esp_ble_gap_start_advertising(&heart_rate_adv_params);
|
|
}
|
|
break;
|
|
case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
|
|
adv_config_done &= (~ADV_CONFIG_FLAG);
|
|
if (adv_config_done == 0){
|
|
esp_ble_gap_start_advertising(&heart_rate_adv_params);
|
|
}
|
|
break;
|
|
case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
|
|
//advertising start complete event to indicate advertising start successfully or failed
|
|
if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
|
|
ESP_LOGE(GATTS_TABLE_TAG, "advertising start failed, error status = %x", param->adv_start_cmpl.status);
|
|
break;
|
|
}
|
|
ESP_LOGI(GATTS_TABLE_TAG, "advertising start success");
|
|
break;
|
|
case ESP_GAP_BLE_PASSKEY_REQ_EVT: /* passkey request event */
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_PASSKEY_REQ_EVT");
|
|
/* Call the following function to input the passkey which is displayed on the remote device */
|
|
//esp_ble_passkey_reply(heart_rate_profile_tab[HEART_PROFILE_APP_IDX].remote_bda, true, 0x00);
|
|
break;
|
|
case ESP_GAP_BLE_OOB_REQ_EVT: {
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_OOB_REQ_EVT");
|
|
uint8_t tk[16] = {1}; //If you paired with OOB, both devices need to use the same tk
|
|
esp_ble_oob_req_reply(param->ble_security.ble_req.bd_addr, tk, sizeof(tk));
|
|
break;
|
|
}
|
|
case ESP_GAP_BLE_LOCAL_IR_EVT: /* BLE local IR event */
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_LOCAL_IR_EVT");
|
|
break;
|
|
case ESP_GAP_BLE_LOCAL_ER_EVT: /* BLE local ER event */
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_LOCAL_ER_EVT");
|
|
break;
|
|
case ESP_GAP_BLE_NC_REQ_EVT:
|
|
/* The app will receive this evt when the IO has DisplayYesNO capability and the peer device IO also has DisplayYesNo capability.
|
|
show the passkey number to the user to confirm it with the number displayed by peer device. */
|
|
esp_ble_confirm_reply(param->ble_security.ble_req.bd_addr, true);
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_NC_REQ_EVT, the passkey Notify number:%d", param->ble_security.key_notif.passkey);
|
|
break;
|
|
case ESP_GAP_BLE_SEC_REQ_EVT:
|
|
/* send the positive(true) security response to the peer device to accept the security request.
|
|
If not accept the security request, should send the security response with negative(false) accept value*/
|
|
esp_ble_gap_security_rsp(param->ble_security.ble_req.bd_addr, true);
|
|
break;
|
|
case ESP_GAP_BLE_PASSKEY_NOTIF_EVT: ///the app will receive this evt when the IO has Output capability and the peer device IO has Input capability.
|
|
///show the passkey number to the user to input it in the peer device.
|
|
ESP_LOGI(GATTS_TABLE_TAG, "The passkey Notify number:%06d", param->ble_security.key_notif.passkey);
|
|
break;
|
|
case ESP_GAP_BLE_KEY_EVT:
|
|
//shows the ble key info share with peer device to the user.
|
|
ESP_LOGI(GATTS_TABLE_TAG, "key type = %s", esp_key_type_to_str(param->ble_security.ble_key.key_type));
|
|
break;
|
|
case ESP_GAP_BLE_AUTH_CMPL_EVT: {
|
|
esp_bd_addr_t bd_addr;
|
|
memcpy(bd_addr, param->ble_security.auth_cmpl.bd_addr, sizeof(esp_bd_addr_t));
|
|
ESP_LOGI(GATTS_TABLE_TAG, "remote BD_ADDR: %08x%04x",\
|
|
(bd_addr[0] << 24) + (bd_addr[1] << 16) + (bd_addr[2] << 8) + bd_addr[3],
|
|
(bd_addr[4] << 8) + bd_addr[5]);
|
|
ESP_LOGI(GATTS_TABLE_TAG, "address type = %d", param->ble_security.auth_cmpl.addr_type);
|
|
ESP_LOGI(GATTS_TABLE_TAG, "pair status = %s",param->ble_security.auth_cmpl.success ? "success" : "fail");
|
|
if(!param->ble_security.auth_cmpl.success) {
|
|
ESP_LOGI(GATTS_TABLE_TAG, "fail reason = 0x%x",param->ble_security.auth_cmpl.fail_reason);
|
|
} else {
|
|
ESP_LOGI(GATTS_TABLE_TAG, "auth mode = %s",esp_auth_req_to_str(param->ble_security.auth_cmpl.auth_mode));
|
|
}
|
|
show_bonded_devices();
|
|
break;
|
|
}
|
|
case ESP_GAP_BLE_REMOVE_BOND_DEV_COMPLETE_EVT: {
|
|
ESP_LOGD(GATTS_TABLE_TAG, "ESP_GAP_BLE_REMOVE_BOND_DEV_COMPLETE_EVT status = %d", param->remove_bond_dev_cmpl.status);
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_REMOVE_BOND_DEV");
|
|
ESP_LOGI(GATTS_TABLE_TAG, "-----ESP_GAP_BLE_REMOVE_BOND_DEV----");
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, (void *)param->remove_bond_dev_cmpl.bd_addr, sizeof(esp_bd_addr_t));
|
|
ESP_LOGI(GATTS_TABLE_TAG, "------------------------------------");
|
|
break;
|
|
}
|
|
case ESP_GAP_BLE_SET_LOCAL_PRIVACY_COMPLETE_EVT:
|
|
if (param->local_privacy_cmpl.status != ESP_BT_STATUS_SUCCESS){
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config local privacy failed, error status = %x", param->local_privacy_cmpl.status);
|
|
break;
|
|
}
|
|
|
|
esp_err_t ret = esp_ble_gap_config_adv_data(&heart_rate_adv_config);
|
|
if (ret){
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config adv data failed, error code = %x", ret);
|
|
}else{
|
|
adv_config_done |= ADV_CONFIG_FLAG;
|
|
}
|
|
|
|
ret = esp_ble_gap_config_adv_data(&heart_rate_scan_rsp_config);
|
|
if (ret){
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config adv data failed, error code = %x", ret);
|
|
}else{
|
|
adv_config_done |= SCAN_RSP_CONFIG_FLAG;
|
|
}
|
|
|
|
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)
|
|
{
|
|
ESP_LOGV(GATTS_TABLE_TAG, "event = %x\n",event);
|
|
switch (event) {
|
|
case ESP_GATTS_REG_EVT:
|
|
esp_ble_gap_set_device_name(EXAMPLE_DEVICE_NAME);
|
|
//generate a resolvable random address
|
|
esp_ble_gap_config_local_privacy(true);
|
|
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:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_WRITE_EVT, write value:");
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
|
|
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:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONNECT_EVT");
|
|
/* start security connect with peer device when receive the connect event sent by the master */
|
|
esp_ble_set_encryption(param->connect.remote_bda, ESP_BLE_SEC_ENCRYPT_MITM);
|
|
break;
|
|
case ESP_GATTS_DISCONNECT_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_DISCONNECT_EVT, disconnect reason 0x%x", param->disconnect.reason);
|
|
/* start advertising again when missing the connect */
|
|
esp_ble_gap_start_advertising(&heart_rate_adv_params);
|
|
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: {
|
|
ESP_LOGI(GATTS_TABLE_TAG, "The number handle = %x",param->add_attr_tab.num_handle);
|
|
if (param->create.status == ESP_GATT_OK){
|
|
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]);
|
|
}else{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "Create attribute table abnormally, num_handle (%d) doesn't equal to HRS_IDX_NB(%d)",
|
|
param->add_attr_tab.num_handle, HRS_IDX_NB);
|
|
}
|
|
}else{
|
|
ESP_LOGE(GATTS_TABLE_TAG, " Create attribute table failed, error code = %x", param->create.status);
|
|
}
|
|
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)
|
|
{
|
|
/* 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 {
|
|
ESP_LOGI(GATTS_TABLE_TAG, "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(void)
|
|
{
|
|
esp_err_t ret;
|
|
|
|
// Initialize NVS.
|
|
ret = nvs_flash_init();
|
|
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
|
|
ESP_ERROR_CHECK(nvs_flash_erase());
|
|
ret = nvs_flash_init();
|
|
}
|
|
ESP_ERROR_CHECK( ret );
|
|
|
|
ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
|
|
|
|
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
|
|
ret = esp_bt_controller_init(&bt_cfg);
|
|
if (ret) {
|
|
ESP_LOGE(GATTS_TABLE_TAG, "%s init controller failed: %s", __func__, esp_err_to_name(ret));
|
|
return;
|
|
}
|
|
ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
|
|
if (ret) {
|
|
ESP_LOGE(GATTS_TABLE_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
|
|
return;
|
|
}
|
|
|
|
ESP_LOGI(GATTS_TABLE_TAG, "%s init bluetooth", __func__);
|
|
ret = esp_bluedroid_init();
|
|
if (ret) {
|
|
ESP_LOGE(GATTS_TABLE_TAG, "%s init bluetooth failed: %s", __func__, esp_err_to_name(ret));
|
|
return;
|
|
}
|
|
ret = esp_bluedroid_enable();
|
|
if (ret) {
|
|
ESP_LOGE(GATTS_TABLE_TAG, "%s enable bluetooth failed: %s", __func__, esp_err_to_name(ret));
|
|
return;
|
|
}
|
|
|
|
ret = esp_ble_gatts_register_callback(gatts_event_handler);
|
|
if (ret){
|
|
ESP_LOGE(GATTS_TABLE_TAG, "gatts register error, error code = %x", ret);
|
|
return;
|
|
}
|
|
ret = esp_ble_gap_register_callback(gap_event_handler);
|
|
if (ret){
|
|
ESP_LOGE(GATTS_TABLE_TAG, "gap register error, error code = %x", ret);
|
|
return;
|
|
}
|
|
ret = esp_ble_gatts_app_register(ESP_HEART_RATE_APP_ID);
|
|
if (ret){
|
|
ESP_LOGE(GATTS_TABLE_TAG, "gatts app register error, error code = %x", ret);
|
|
return;
|
|
}
|
|
|
|
/* set the security iocap & auth_req & key size & init key response key parameters to the stack*/
|
|
esp_ble_auth_req_t auth_req = ESP_LE_AUTH_REQ_SC_MITM_BOND; //bonding with peer device after authentication
|
|
esp_ble_io_cap_t iocap = ESP_IO_CAP_NONE; //set the IO capability to No output No input
|
|
uint8_t key_size = 16; //the key size should be 7~16 bytes
|
|
uint8_t init_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
|
|
uint8_t rsp_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
|
|
//set static passkey
|
|
uint32_t passkey = 123456;
|
|
uint8_t auth_option = ESP_BLE_ONLY_ACCEPT_SPECIFIED_AUTH_DISABLE;
|
|
uint8_t oob_support = ESP_BLE_OOB_DISABLE;
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_SET_STATIC_PASSKEY, &passkey, sizeof(uint32_t));
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_AUTHEN_REQ_MODE, &auth_req, sizeof(uint8_t));
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_IOCAP_MODE, &iocap, sizeof(uint8_t));
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_MAX_KEY_SIZE, &key_size, sizeof(uint8_t));
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_ONLY_ACCEPT_SPECIFIED_SEC_AUTH, &auth_option, sizeof(uint8_t));
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_OOB_SUPPORT, &oob_support, sizeof(uint8_t));
|
|
/* If your BLE device acts as a Slave, the init_key means you hope which types of key of the master should distribute to you,
|
|
and the response key means which key you can distribute to the master;
|
|
If your BLE device acts as a master, the response key means you hope which types of key of the slave should distribute to you,
|
|
and the init key means which key you can distribute to the slave. */
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_SET_INIT_KEY, &init_key, sizeof(uint8_t));
|
|
esp_ble_gap_set_security_param(ESP_BLE_SM_SET_RSP_KEY, &rsp_key, sizeof(uint8_t));
|
|
|
|
/* Just show how to clear all the bonded devices
|
|
* Delay 30s, clear all the bonded devices
|
|
*
|
|
* vTaskDelay(30000 / portTICK_PERIOD_MS);
|
|
* remove_all_bonded_devices();
|
|
*/
|
|
}
|
|
|
|
|
|
|