应该解决了图传

main/gui/ui_device_ctrl.c

@@ -281,7 +281,7 @@ void picture_ctrl_start(void)//heart help -> picture
     lv_obj_add_event_cb(btn_return, ui_dev_ctrl_page_return_click_cb, LV_EVENT_CLICKED, page);//return event
     //image display
     lv_obj_t *img = lv_img_create(page);
-    const char *file_name_with_path = "S:/spiffs/picture.jpg";
+    const char *file_name_with_path = "S:/spiffs/picture.png";
     if (NULL != file_name_with_path)
      {
 		lv_img_set_src(img, file_name_with_path);

main/main.c

@@ -129,24 +129,25 @@ void * aedSocketMonitorFunc(void* args){
 //            recv(emergencyReponseSocket, imageByte, size, 0);
             //文件接收的
             imageByte=(uint8_t*)malloc(200);
-            FILE * image = fopen("/spiffs/picture.jpg","r");
+            FILE * image = fopen("/spiffs/picture.png","r");
             fclose(image);
             int left=size;
+            image = fopen("picture.png","wb+");//
             while(left>0) 	{
-            	image = fopen("/spiffs/picture.jpg","wb+");//
+            	printf("剩余%d\n",left);
             	int recvLen=200<left?200:left;
             	left-=recvLen;
                 if(0 >= recv(emergencyReponseSocket, imageByte, recvLen, 0)){
                     printf("接收失败或者对端关闭连接！\n");
                     return 0;
                 }
-                fwrite(imageByte,1,recvLen,image);
-                fclose(image);
+                fwrite(imageByte,sizeof(uint8_t),recvLen,image);
+                fflush(image);
             }
             send(emergencyReponseSocket, flag, 1, 0);
             recv(emergencyReponseSocket, flag, 1, 0);
             //======================
-            printf("图片存储完成\n")
+            printf("图片存储完成\n");
             gpio_set_direction(41, GPIO_MODE_OUTPUT);
             gpio_set_level(GPIO_NUM_41, 1);//1为高电平，0为低电平
             recv_warning_flag=1; //to stimulate the text shown in the text box(information)