开关检测板！！更新

pro/src/breaker_detection.c

@@ -178,6 +178,11 @@ void* breaker_scanner_thread(void* argv)
     {
         ret = breaker_485_get_chn_status((void*)&gm->_globalRelaySampManger,
                 BREADER_485_ADDR+i,BREADER_485_ADDR_CHN_REG,&value);
+        if(ret < 0)
+        {
+            ret = breaker_485_get_chn_status((void*)&gm->_globalRelaySampManger,
+                BREADER_485_ADDR+i,BREADER_485_ADDR_CHN_REG,&value);
+        }
         if(ret == 0)
         {
             breaker_scanner.breaker_flag[i] = 1;