ble_app: code clean up

Author: redchenjs

main/inc/user/ble_app.h

@@ -12,8 +12,6 @@
 
 extern esp_ble_adv_params_t adv_params;
 
-extern void ble_gap_init_adv_data(const char *name);
-
 extern void ble_app_init(void);
 
 #endif /* INC_USER_BLE_APP_H_ */

main/src/user/ble_app.c

@@ -19,11 +19,6 @@
 #define BLE_APP_TAG "ble_app"
 #define BLE_GAP_TAG "ble_gap"
 
-static uint8_t adv_config_done = 0;
-
-#define adv_config_flag      (1 << 0)
-#define scan_rsp_config_flag (1 << 1)
-
 esp_ble_adv_params_t adv_params = {
     .adv_int_min       = 0x20,
     .adv_int_max       = 0x40,
@@ -33,47 +28,11 @@ esp_ble_adv_params_t adv_params = {
     .adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
 };
 
-void ble_gap_init_adv_data(const char *name)
-{
-    int len = strlen(name);
-    uint8_t raw_adv_data[len+5];
-    // flag
-    raw_adv_data[0] = 2;
-    raw_adv_data[1] = ESP_BT_EIR_TYPE_FLAGS;
-    raw_adv_data[2] = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT);
-    // adv name
-    raw_adv_data[3] = len + 1;
-    raw_adv_data[4] = ESP_BLE_AD_TYPE_NAME_CMPL;
-    for (int i=0; i<len; i++) {
-        raw_adv_data[i+5] = *(name++);
-    }
-    // the length of adv data must be less than 31 bytes
-    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(BLE_GAP_TAG, "config raw adv data failed, error code = 0x%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_adv_data, sizeof(raw_adv_data));
-    if (raw_scan_ret) {
-        ESP_LOGE(BLE_GAP_TAG, "config raw scan rsp data failed, error code = 0x%x", raw_scan_ret);
-    }
-    adv_config_done |= scan_rsp_config_flag;
-}
-
 static void ble_gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
 {
     switch (event) {
     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);
-        }
+        esp_ble_gap_start_advertising(&adv_params);
         break;
     case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
         // advertising start complete event to indicate advertising start successfully or failed
@@ -95,17 +54,41 @@ static void ble_gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_p
     }
 }
 
+static void gap_config_adv_data(const char *name)
+{
+    size_t len = strlen(name);
+    uint8_t raw_adv_data[len+5];
+
+    // flag
+    raw_adv_data[0] = 2;
+    raw_adv_data[1] = ESP_BT_EIR_TYPE_FLAGS;
+    raw_adv_data[2] = ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT;
+
+    // adv name
+    raw_adv_data[3] = len + 1;
+    raw_adv_data[4] = ESP_BLE_AD_TYPE_NAME_CMPL;
+    memcpy(raw_adv_data+5, name, len);
+
+    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(BLE_GAP_TAG, "config raw adv data failed, error code = 0x%x ", raw_adv_ret);
+    }
+}
+
 void ble_app_init(void)
 {
     xEventGroupSetBits(user_event_group, BLE_GATTS_IDLE_BIT);
 
-    ESP_ERROR_CHECK(esp_ble_gatts_register_callback(ble_gatts_event_handler));
     ESP_ERROR_CHECK(esp_ble_gap_register_callback(ble_gap_event_handler));
+    ESP_ERROR_CHECK(esp_ble_gap_set_device_name(CONFIG_BT_NAME));
 
+    ESP_ERROR_CHECK(esp_ble_gatts_register_callback(ble_gatts_event_handler));
     ESP_ERROR_CHECK(esp_ble_gatts_app_register(PROFILE_IDX_OTA));
     ESP_ERROR_CHECK(esp_ble_gatts_app_register(PROFILE_IDX_VFX));
 
     ESP_ERROR_CHECK(esp_ble_gatt_set_local_mtu(ESP_GATT_MAX_MTU_SIZE));
 
+    gap_config_adv_data(CONFIG_BT_NAME);
+
     ESP_LOGI(BLE_APP_TAG, "started.");
 }

main/src/user/ble_gatts.c

@@ -57,8 +57,6 @@ static void profile_ota_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t
 {
     switch (event) {
     case ESP_GATTS_REG_EVT:
-        ble_gap_init_adv_data(CONFIG_BT_NAME);
-
         gatts_profile_tbl[PROFILE_IDX_OTA].service_id.is_primary = true;
         gatts_profile_tbl[PROFILE_IDX_OTA].service_id.id.inst_id = 0x00;
         gatts_profile_tbl[PROFILE_IDX_OTA].service_id.id.uuid.len = ESP_UUID_LEN_16;