嗨,我正在尝试从我的 Arduino 读取串行输入,但我没有运气。我相信我正确地打开和关闭了连接,但似乎没有取得太大的成功!
我确定 Arduino 正在输出数据,因为我可以在串行终端中看到它。
我的 C# 程序的代码如下,我想知道是否有人能发现我可能遗漏的任何错误。
这也是我应该收到“12.2,1111,332,233”的串行数据的一个例子
namespace FridgeProtectionDeviceMonitor
{
public partial class Online_mode : Form
{
public Online_mode()
{
InitializeComponent();
}
private void Online_mode_Load(object sender, EventArgs e)
{
cmbPortSelection.DataSource = SerialPort.GetPortNames();
cmbChartSelection.SelectedIndex = 0;
}
string x = "";
SerialPort port;
private void btnFindPorts_Click(object sender, EventArgs e)
{
var ports = SerialPort.GetPortNames();
cmbPortSelection.DataSource = ports;
}
private void btnOpenPort_Click(object sender, EventArgs e)
{
if (cmbPortSelection.SelectedIndex > -1)
{
port = new SerialPort(cmbPortSelection.Text);
try
{
if (!port.IsOpen)
{
port.BaudRate = 9600;
port.Open();
}
}
catch (Exception)
{
MessageBox.Show("Serial connection request denied: Port is in use!");
}
}
else
{
MessageBox.Show("Serial connection request denied: No port selected!");
}
}
private void btnClosePort_Click(object sender, EventArgs ex)
{
try
{
port.Close();
}
catch (Exception)
{
MessageBox.Show("Serial close connection request denied: ", ex.ToString());
}
}
private void update(object sender, EventArgs e)
{
txtSaveLocation.Text = x;
}
private void port_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
x = port.ReadLine().ToString();
MessageBox.Show(x);
this.Invoke(new EventHandler(update));
}
}
}