修改部分bug，华星测试没问题

zhyinch

2020-07-09 f8b2fa433d03144490a1e887f3ffb56ca8fad97d

 Src/stm32l0xx_it.c

@@ -155,6 +155,7 @@
   
      if(!GET_USERKEY)
   {
      nomove_count = 0;
      waitusart_timer = tag_frequency*USART_KEEPWAKE_TIME;
      //   MOTOR_ON;      
   }