修改GPS4G灯充电灯闪灯逻辑，修改发送逻辑，处理4G立即关闭无法发送心跳包逻辑，完成3连击单击长按按钮逻辑，初步测试成功版本

chen

2025-04-20 38c1a38c08b6dfbc4632def361ddf8398a9f2107

 keil/sn74hc595.c

@@ -131,9 +131,9 @@
   }else{
            if(bat_percent>15)
            {
            charge_green_off();
            charge_green_on();
            charge_red_off();
               enbale_blink_flag=0;
               enbale_blink_flag=1;
            }else{
//                  green_charge_state=0;
//                  if(secondtask_count%2==0)