You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
599 lines
23 KiB
599 lines
23 KiB
#include "ble_gatts_table.h"
|
|
|
|
static uint8_t adv_config_done = 0;
|
|
|
|
uint16_t heart_rate_handle_table[HRS_IDX_NB];
|
|
|
|
static prepare_type_env_t prepare_write_env;
|
|
|
|
#ifdef CONFIG_SET_RAW_ADV_DATA
|
|
static uint8_t raw_adv_data[] = {
|
|
/* flags */
|
|
0x02, 0x01, 0x06,
|
|
/* tx power*/
|
|
0x02, 0x0a, 0xeb,
|
|
/* service uuid */
|
|
0x03, 0x03, 0xFF, 0x00,
|
|
/* device name */
|
|
0x0f, 0x09, 'E', 'S', 'P', '_', 'G', 'A', 'T', 'T', 'S', '_', 'D', 'E', 'M', 'O'};
|
|
static uint8_t raw_scan_rsp_data[] = {
|
|
/* flags */
|
|
0x02, 0x01, 0x06,
|
|
/* tx power */
|
|
0x02, 0x0a, 0xeb,
|
|
/* service uuid */
|
|
0x03, 0x03, 0xFF, 0x00};
|
|
|
|
#else
|
|
static uint8_t 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,
|
|
0xFF,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
};
|
|
|
|
/* The length of adv data must be less than 31 bytes */
|
|
static esp_ble_adv_data_t adv_data = {
|
|
.set_scan_rsp = false,
|
|
.include_name = true,
|
|
.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,
|
|
.service_data_len = 0,
|
|
.p_service_data = NULL,
|
|
.service_uuid_len = sizeof(service_uuid),
|
|
.p_service_uuid = service_uuid,
|
|
.flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
|
|
};
|
|
|
|
// scan response data
|
|
static esp_ble_adv_data_t scan_rsp_data = {
|
|
.set_scan_rsp = true,
|
|
.include_name = true,
|
|
.include_txpower = true,
|
|
.min_interval = 0x0006,
|
|
.max_interval = 0x0010,
|
|
.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(service_uuid),
|
|
.p_service_uuid = service_uuid,
|
|
.flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
|
|
};
|
|
#endif /* CONFIG_SET_RAW_ADV_DATA */
|
|
|
|
static esp_ble_adv_params_t adv_params = {
|
|
.adv_int_min = 0x20,
|
|
.adv_int_max = 0x40,
|
|
.adv_type = ADV_TYPE_IND,
|
|
.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
|
|
.channel_map = ADV_CHNL_ALL,
|
|
.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
|
|
};
|
|
|
|
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[PROFILE_NUM] = {
|
|
[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 */
|
|
},
|
|
};
|
|
|
|
/* Service */
|
|
// static const uint16_t GATTS_SERVICE_UUID_TEST = 0x00FF;
|
|
// static const uint16_t GATTS_CHAR_UUID_TEST_A = 0xFF01;
|
|
// static const uint16_t GATTS_CHAR_UUID_TEST_B = 0xFF02;
|
|
// static const uint16_t GATTS_CHAR_UUID_TEST_C = 0xFF03;
|
|
|
|
static const uint8_t adv_service_uuid128[16] = {
|
|
/* LSB <--------------------------------------------------------------------------------> MSB */
|
|
0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x01, 0x00, 0x40, 0x6E, //
|
|
};
|
|
|
|
static const uint8_t adv_char_uuid128_a[16] = {
|
|
/* LSB <--------------------------------------------------------------------------------> MSB */
|
|
0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x02, 0x00, 0x40, 0x6E, //
|
|
};
|
|
|
|
static const uint8_t adv_char_uuid128_b[16] = {
|
|
/* LSB <--------------------------------------------------------------------------------> MSB */
|
|
0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x03, 0x00, 0x40, 0x6E, //
|
|
};
|
|
|
|
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_read = ESP_GATT_CHAR_PROP_BIT_READ;
|
|
// static const uint8_t char_prop_write = ESP_GATT_CHAR_PROP_BIT_WRITE;
|
|
static const uint8_t char_prop_read_write_notify = ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_NOTIFY;
|
|
static const uint8_t heart_measurement_ccc[2] = {0x00, 0x00};
|
|
static const uint8_t char_value[4] = {0x11, 0x22, 0x33, 0x44};
|
|
|
|
/* Full Database Description - Used to add attributes into the database */
|
|
static const esp_gatts_attr_db_t gatt_db[HRS_IDX_NB] =
|
|
{
|
|
// Service Declaration
|
|
[IDX_SVC] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ, //
|
|
sizeof(adv_service_uuid128), sizeof(adv_service_uuid128), (uint8_t *)&adv_service_uuid128}},
|
|
|
|
/* Characteristic Declaration */
|
|
[IDX_CHAR_A] =
|
|
{{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_notify}},
|
|
|
|
/* Characteristic Value */
|
|
[IDX_CHAR_VAL_A] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_128, (uint8_t *)&adv_char_uuid128_a, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, //
|
|
GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
|
|
|
|
/* Client Characteristic Configuration Descriptor */
|
|
[IDX_CHAR_CFG_A] =
|
|
{{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}},
|
|
|
|
/* Characteristic Declaration */
|
|
[IDX_CHAR_B] =
|
|
{{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}},
|
|
|
|
/* Characteristic Value */
|
|
[IDX_CHAR_VAL_B] =
|
|
{{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_128, (uint8_t *)&adv_char_uuid128_b, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, //
|
|
GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
|
|
|
|
// /* Characteristic Declaration */
|
|
// [IDX_CHAR_C] =
|
|
// {{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_write}},
|
|
|
|
// /* Characteristic Value */
|
|
// [IDX_CHAR_VAL_C] =
|
|
// {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&GATTS_CHAR_UUID_TEST_C, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
|
|
// GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
|
|
|
|
};
|
|
|
|
static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
|
|
{
|
|
switch (event)
|
|
{
|
|
#ifdef CONFIG_SET_RAW_ADV_DATA
|
|
case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
|
|
adv_config_done &= (~ADV_CONFIG_FLAG);
|
|
if (adv_config_done == 0)
|
|
{
|
|
esp_ble_gap_start_advertising(&adv_params);
|
|
}
|
|
break;
|
|
case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:
|
|
adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
|
|
if (adv_config_done == 0)
|
|
{
|
|
esp_ble_gap_start_advertising(&adv_params);
|
|
}
|
|
break;
|
|
#else
|
|
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(&adv_params);
|
|
}
|
|
break;
|
|
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(&adv_params);
|
|
}
|
|
break;
|
|
#endif
|
|
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");
|
|
}
|
|
else
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "advertising start successfully");
|
|
}
|
|
break;
|
|
case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
|
|
if (param->adv_stop_cmpl.status != ESP_BT_STATUS_SUCCESS)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "Advertising stop failed");
|
|
}
|
|
else
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "Stop adv successfully\n");
|
|
}
|
|
break;
|
|
case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "update connection params status = %d, min_int = %d, max_int = %d,conn_int = %d,latency = %d, timeout = %d",
|
|
param->update_conn_params.status,
|
|
param->update_conn_params.min_int,
|
|
param->update_conn_params.max_int,
|
|
param->update_conn_params.conn_int,
|
|
param->update_conn_params.latency,
|
|
param->update_conn_params.timeout);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void example_prepare_write_event_env(esp_gatt_if_t gatts_if, prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param)
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "prepare write, handle = %d, value len = %d", param->write.handle, param->write.len);
|
|
esp_gatt_status_t status = ESP_GATT_OK;
|
|
if (prepare_write_env->prepare_buf == NULL)
|
|
{
|
|
prepare_write_env->prepare_buf = (uint8_t *)malloc(PREPARE_BUF_MAX_SIZE * sizeof(uint8_t));
|
|
prepare_write_env->prepare_len = 0;
|
|
if (prepare_write_env->prepare_buf == NULL)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "%s, Gatt_server prep no mem", __func__);
|
|
status = ESP_GATT_NO_RESOURCES;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (param->write.offset > PREPARE_BUF_MAX_SIZE)
|
|
{
|
|
status = ESP_GATT_INVALID_OFFSET;
|
|
}
|
|
else if ((param->write.offset + param->write.len) > PREPARE_BUF_MAX_SIZE)
|
|
{
|
|
status = ESP_GATT_INVALID_ATTR_LEN;
|
|
}
|
|
}
|
|
/*send response when param->write.need_rsp is true */
|
|
if (param->write.need_rsp)
|
|
{
|
|
esp_gatt_rsp_t *gatt_rsp = (esp_gatt_rsp_t *)malloc(sizeof(esp_gatt_rsp_t));
|
|
if (gatt_rsp != NULL)
|
|
{
|
|
gatt_rsp->attr_value.len = param->write.len;
|
|
gatt_rsp->attr_value.handle = param->write.handle;
|
|
gatt_rsp->attr_value.offset = param->write.offset;
|
|
gatt_rsp->attr_value.auth_req = ESP_GATT_AUTH_REQ_NONE;
|
|
memcpy(gatt_rsp->attr_value.value, param->write.value, param->write.len);
|
|
esp_err_t response_err = esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, status, gatt_rsp);
|
|
if (response_err != ESP_OK)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "Send response error");
|
|
}
|
|
free(gatt_rsp);
|
|
}
|
|
else
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "%s, malloc failed", __func__);
|
|
}
|
|
}
|
|
if (status != ESP_GATT_OK)
|
|
{
|
|
return;
|
|
}
|
|
memcpy(prepare_write_env->prepare_buf + param->write.offset,
|
|
param->write.value,
|
|
param->write.len);
|
|
prepare_write_env->prepare_len += param->write.len;
|
|
}
|
|
|
|
void example_exec_write_event_env(prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param)
|
|
{
|
|
if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC && prepare_write_env->prepare_buf)
|
|
{
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, prepare_write_env->prepare_buf, prepare_write_env->prepare_len);
|
|
}
|
|
else
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATT_PREP_WRITE_CANCEL");
|
|
}
|
|
if (prepare_write_env->prepare_buf)
|
|
{
|
|
free(prepare_write_env->prepare_buf);
|
|
prepare_write_env->prepare_buf = NULL;
|
|
}
|
|
prepare_write_env->prepare_len = 0;
|
|
}
|
|
|
|
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)
|
|
{
|
|
switch (event)
|
|
{
|
|
case ESP_GATTS_REG_EVT:
|
|
{
|
|
esp_err_t set_dev_name_ret = esp_ble_gap_set_device_name(SAMPLE_DEVICE_NAME);
|
|
if (set_dev_name_ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "set device name failed, error code = %x", set_dev_name_ret);
|
|
}
|
|
#ifdef CONFIG_SET_RAW_ADV_DATA
|
|
esp_err_t raw_adv_ret = esp_ble_gap_config_adv_data_raw(raw_adv_data, sizeof(raw_adv_data));
|
|
if (raw_adv_ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config raw adv data failed, error code = %x ", raw_adv_ret);
|
|
}
|
|
adv_config_done |= ADV_CONFIG_FLAG;
|
|
esp_err_t raw_scan_ret = esp_ble_gap_config_scan_rsp_data_raw(raw_scan_rsp_data, sizeof(raw_scan_rsp_data));
|
|
if (raw_scan_ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config raw scan rsp data failed, error code = %x", raw_scan_ret);
|
|
}
|
|
adv_config_done |= SCAN_RSP_CONFIG_FLAG;
|
|
#else
|
|
// config adv data
|
|
esp_err_t ret = esp_ble_gap_config_adv_data(&adv_data);
|
|
if (ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config adv data failed, error code = %x", ret);
|
|
}
|
|
adv_config_done |= ADV_CONFIG_FLAG;
|
|
// config scan response data
|
|
ret = esp_ble_gap_config_adv_data(&scan_rsp_data);
|
|
if (ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "config scan response data failed, error code = %x", ret);
|
|
}
|
|
adv_config_done |= SCAN_RSP_CONFIG_FLAG;
|
|
#endif
|
|
esp_err_t create_attr_ret = esp_ble_gatts_create_attr_tab(gatt_db, gatts_if, HRS_IDX_NB, SVC_INST_ID);
|
|
if (create_attr_ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "create attr table failed, error code = %x", create_attr_ret);
|
|
}
|
|
}
|
|
break;
|
|
case ESP_GATTS_READ_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_READ_EVT");
|
|
break;
|
|
case ESP_GATTS_WRITE_EVT:
|
|
if (!param->write.is_prep)
|
|
{
|
|
// the data length of gattc write must be less than GATTS_DEMO_CHAR_VAL_LEN_MAX.
|
|
ESP_LOGI(GATTS_TABLE_TAG, "GATT_WRITE_EVT, handle = %d, value len = %d, value :", param->write.handle, param->write.len);
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
|
|
if (heart_rate_handle_table[IDX_CHAR_CFG_A] == param->write.handle && param->write.len == 2)
|
|
{
|
|
uint16_t descr_value = param->write.value[1] << 8 | param->write.value[0];
|
|
if (descr_value == 0x0001)
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "notify enable");
|
|
uint8_t notify_data[15];
|
|
for (int i = 0; i < sizeof(notify_data); ++i)
|
|
{
|
|
notify_data[i] = i % 0xff;
|
|
}
|
|
// the size of notify_data[] need less than MTU size
|
|
esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, heart_rate_handle_table[IDX_CHAR_VAL_A],
|
|
sizeof(notify_data), notify_data, false);
|
|
}
|
|
else if (descr_value == 0x0002)
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "indicate enable");
|
|
uint8_t indicate_data[15];
|
|
for (int i = 0; i < sizeof(indicate_data); ++i)
|
|
{
|
|
indicate_data[i] = i % 0xff;
|
|
}
|
|
// the size of indicate_data[] need less than MTU size
|
|
esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, heart_rate_handle_table[IDX_CHAR_VAL_A],
|
|
sizeof(indicate_data), indicate_data, true);
|
|
}
|
|
else if (descr_value == 0x0000)
|
|
{
|
|
ESP_LOGI(GATTS_TABLE_TAG, "notify/indicate disable ");
|
|
}
|
|
else
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "unknown descr value");
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
|
|
}
|
|
}
|
|
/* send response when param->write.need_rsp is true*/
|
|
if (param->write.need_rsp)
|
|
{
|
|
esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* handle prepare write */
|
|
example_prepare_write_event_env(gatts_if, &prepare_write_env, param);
|
|
}
|
|
break;
|
|
case ESP_GATTS_EXEC_WRITE_EVT:
|
|
// the length of gattc prepare write data must be less than GATTS_DEMO_CHAR_VAL_LEN_MAX.
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_EXEC_WRITE_EVT");
|
|
example_exec_write_event_env(&prepare_write_env, param);
|
|
break;
|
|
case ESP_GATTS_MTU_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_MTU_EVT, MTU %d", param->mtu.mtu);
|
|
break;
|
|
case ESP_GATTS_CONF_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONF_EVT, status = %d, attr_handle %d", param->conf.status, param->conf.handle);
|
|
break;
|
|
case ESP_GATTS_START_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "SERVICE_START_EVT, status %d, service_handle %d", param->start.status, param->start.service_handle);
|
|
break;
|
|
case ESP_GATTS_CONNECT_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONNECT_EVT, conn_id = %d", param->connect.conn_id);
|
|
esp_log_buffer_hex(GATTS_TABLE_TAG, param->connect.remote_bda, 6);
|
|
esp_ble_conn_update_params_t conn_params = {0};
|
|
memcpy(conn_params.bda, param->connect.remote_bda, sizeof(esp_bd_addr_t));
|
|
/* For the iOS system, please refer to Apple official documents about the BLE connection parameters restrictions. */
|
|
conn_params.latency = 0;
|
|
conn_params.max_int = 0x20; // max_int = 0x20*1.25ms = 40ms
|
|
conn_params.min_int = 0x10; // min_int = 0x10*1.25ms = 20ms
|
|
conn_params.timeout = 400; // timeout = 400*10ms = 4000ms
|
|
// start sent the update connection parameters to the peer device.
|
|
esp_ble_gap_update_conn_params(&conn_params);
|
|
break;
|
|
case ESP_GATTS_DISCONNECT_EVT:
|
|
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_DISCONNECT_EVT, reason = 0x%x", param->disconnect.reason);
|
|
esp_ble_gap_start_advertising(&adv_params);
|
|
break;
|
|
case ESP_GATTS_CREAT_ATTR_TAB_EVT:
|
|
{
|
|
if (param->add_attr_tab.status != ESP_GATT_OK)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "create attribute table failed, error code=0x%x", param->add_attr_tab.status);
|
|
}
|
|
else if (param->add_attr_tab.num_handle != HRS_IDX_NB)
|
|
{
|
|
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_LOGI(GATTS_TABLE_TAG, "create attribute table successfully, the number handle = %d\n", param->add_attr_tab.num_handle);
|
|
memcpy(heart_rate_handle_table, param->add_attr_tab.handles, sizeof(heart_rate_handle_table));
|
|
esp_ble_gatts_start_service(heart_rate_handle_table[IDX_SVC]);
|
|
}
|
|
break;
|
|
}
|
|
case ESP_GATTS_STOP_EVT:
|
|
case ESP_GATTS_OPEN_EVT:
|
|
case ESP_GATTS_CANCEL_OPEN_EVT:
|
|
case ESP_GATTS_CLOSE_EVT:
|
|
case ESP_GATTS_LISTEN_EVT:
|
|
case ESP_GATTS_CONGEST_EVT:
|
|
case ESP_GATTS_UNREG_EVT:
|
|
case ESP_GATTS_DELETE_EVT:
|
|
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[PROFILE_APP_IDX].gatts_if = gatts_if;
|
|
}
|
|
else
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "reg app failed, app_id %04x, status %d",
|
|
param->reg.app_id,
|
|
param->reg.status);
|
|
return;
|
|
}
|
|
}
|
|
do
|
|
{
|
|
int idx;
|
|
for (idx = 0; idx < PROFILE_NUM; idx++)
|
|
{
|
|
/* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
|
|
if (gatts_if == ESP_GATT_IF_NONE || 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 ble_init(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 enable 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;
|
|
}
|
|
|
|
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_APP_ID);
|
|
if (ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "gatts app register error, error code = %x", ret);
|
|
return;
|
|
}
|
|
|
|
esp_err_t local_mtu_ret = esp_ble_gatt_set_local_mtu(500);
|
|
if (local_mtu_ret)
|
|
{
|
|
ESP_LOGE(GATTS_TABLE_TAG, "set local MTU failed, error code = %x", local_mtu_ret);
|
|
}
|
|
}
|