private void FuncEcho() { Debug.Log("func echo start"); bool res = MyRs232cUtil.Open(IF_comname.text, out mySP); mySP.ReadTimeout = 1; if (res == false) { statusText = "open fail"; return; } statusText = IF_comname.text + " : open"; mySP.Write(">"); while (doStop == false) { if (mySP != null && mySP.IsOpen) { if (rcvAndEcho(ref mySP)) { statusText = "has received: " + accRcvd; if (rcvdCRLF) { rcvdCRLF = false; accRcvd = ""; } } } Thread.Sleep(20); // without this app may freeze } Debug.Log("func echo stop"); MyRs232cUtil.Close(ref mySP); statusText = IF_comname.text + " : closed"; doStop = false; }
void Test_rs232c() { SerialPort sp; bool res = MyRs232cUtil.Open("COM3", out sp); if (res == false) { return; // fail } string msg = "hello"; sp.Write(msg); MyRs232cUtil.Close(ref sp); }