remove command function

2020-12-22 10:57:45 +08:00
parent 594f1e6778
commit 6f00ed6029
3 changed files with 11 additions and 4 deletions
@@ -31,6 +31,9 @@ func OpenPort(device string, baudrate int, bytesize byte) error {

 func ReadPort() ([]byte, int){
 	buffer := make([]byte, 256)
+	if !ServerRunning {
+		return buffer, 0
+	}
 	count,err := port.Read(buffer)
 	if err != nil && err != io.EOF {
 		log.Println("error in read port ", err)