bt_spp_ota: stop vfx output during the ota updating

Author: redchenjs

main/src/user/bt_app_spp.c

@@ -32,6 +32,7 @@
 static const esp_spp_sec_t sec_mask = ESP_SPP_SEC_AUTHENTICATE;
 static const esp_spp_role_t role_slave = ESP_SPP_ROLE_SLAVE;
 
+static uint8_t vfx_prev_mode = 0;
 static uint8_t ota_running = 0;
 static long image_length = 0;
 static long data_recv = 0;
@@ -80,6 +81,8 @@ void bt_app_spp_cb(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
 
             ota_running  = 0;
             image_length = 0;
+
+            vfx_set_mode(vfx_prev_mode);
         }
 
         led_set_mode(3);
@@ -108,6 +111,9 @@ void bt_app_spp_cb(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
 
                 EventBits_t uxBits = xEventGroupGetBits(user_event_group);
                 if (image_length != 0 && !(uxBits & BT_OTA_LOCKED_BIT)) {
+                    vfx_prev_mode = vfx_get_mode();
+                    vfx_set_mode(0);
+
                     ota_running = 1;
 
                     update_partition = esp_ota_get_next_update_partition(NULL);
@@ -159,16 +165,17 @@ void bt_app_spp_cb(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
 
                 esp_spp_write(param->write.handle, strlen(rsp_str[1]), (uint8_t *)rsp_str[1]);
 
-                ota_running  = 0;
-                image_length = 0;
+                goto exit;
             } else if (data_recv > image_length) {
 err1:
                 esp_ota_end(update_handle);
 err0:
                 esp_spp_write(param->write.handle, strlen(rsp_str[2]), (uint8_t *)rsp_str[2]);
-
+exit:
                 ota_running  = 0;
                 image_length = 0;
+
+                vfx_set_mode(vfx_prev_mode);
             }
         }
         break;