以下是一段读串口数据的代码,为什么一运行到第三行,程序就停住不再进行了呢?
com = new SerialPort("COM1");
com.Open();
string strRead = com.ReadLine();
string[] spl = strRead.Split(' ');
strRead = getweight(spl);
fst = new FileStream(fsName, FileMode.OpenOrCreate, FileAccess.Write);
byte[] bytwht = Encoding.ASCII.GetBytes(strRead.ToString());
请高手指点!!!
com = new SerialPort("COM1");
com.Open();
string strRead = com.ReadLine();
string[] spl = strRead.Split(' ');
strRead = getweight(spl);
fst = new FileStream(fsName, FileMode.OpenOrCreate, FileAccess.Write);
byte[] bytwht = Encoding.ASCII.GetBytes(strRead.ToString());
请高手指点!!!
出现假死的状态,必须有发送数据端,或者你把COM1口回环,先发后手试试!
string strRead = com.ReadLine();
string[] spl = strRead.Split(' ');
strRead = getweight(spl);
可以先写了再读也不可以啊
com.WriteLine("cgx");
你发送给谁了?
自己怎么会收到?
不过你把串口的23脚短接了,应该能收到
不过这样的“串口通信”有意思么?