/// <summary>
/// 发送指令到设备
/// </summary>
/// <param name="order"></param>
/// <returns></returns>
public string ToSTM32(byte[] order)
{
if (order != null)
{
byte[] data = BuffersWriter.Merge(order, Encoding.UTF8.GetBytes(new char[] { '\r', '\n' }));
data = BuffersWriter.Merge(BuffersWriter.GetBytes(data.Length + 4), data);
try
{
Buffer.BlockCopy(data, 0, SendBuff, 0, data.Length);
SendEventArgs.SetBuffer(0, data.Length);
if (!socket.SendAsync(SendEventArgs))
{
Array.Clear(SendBuff, 0, SendBuff.Length);
}
}
catch (ArgumentNullException ex)
{
return("无法连接到硬件");
}
catch (Exception e)
{
return(e.Message);
}
}
return("完成");
}
void send(object data)
{
if (data != null)
{
isSending = true;
byte[] buff = (byte[])data;
buff = BuffersWriter.Merge(BuffersWriter.GetBytes(buff.Length + 4), buff);
Buffer.BlockCopy(buff, 0, SendBuff, 0, buff.Length);
SendEventArgs.SetBuffer(0, buff.Length);
if (!socket.SendAsync(SendEventArgs))
{
Array.Clear(SendBuff, 0, SendBuff.Length);
}
}
}
/// <summary>
/// 红外发射
/// </summary>
/// <returns></returns>
public byte[] IRSend()
{
return(BuffersWriter.Merge(BuffersWriter.GetBytes((int)Operations.IRSend), BuffersWriter.GetBytes(Pwd, Encoding.UTF8)));
}
/// <summary>
/// 设置脉冲宽度
/// </summary>
/// <param name="pin">引脚号</param>
/// <param name="value">脉冲值</param>
/// <returns></returns>
public byte[] SetPWM(int pin, byte value)
{
return(BuffersWriter.Merge(BuffersWriter.GetBytes((int)Operations.SetPWM), BuffersWriter.GetBytes(Pwd, Encoding.UTF8),
BuffersWriter.GetBytes((byte)pin), BuffersWriter.GetBytes(value)));
}
/// <summary>
/// 获取数字端口和模拟端口状态
/// </summary>
/// <returns></returns>
public byte[] GetDigitalAndAnalog()
{
return(BuffersWriter.Merge(BuffersWriter.GetBytes((int)Operations.GetDigitalAndAnalog), BuffersWriter.GetBytes(Pwd, Encoding.UTF8)));
}
/// <summary>
/// 设置数字端口电平
/// </summary>
/// <param name="pin"></param>
/// <param name="level"></param>
/// <returns></returns>
public byte[] SetDigitalLevel(int pin, DigitalLevel level)
{
return(BuffersWriter.Merge(BuffersWriter.GetBytes((int)Operations.SetDigital), BuffersWriter.GetBytes(Pwd, Encoding.UTF8),
BuffersWriter.GetBytes((byte)pin), BuffersWriter.GetBytes((byte)level)));
}
/// <summary>
/// DHT11温湿度传感器操作
/// </summary>
/// <returns></returns>
public byte[] GetDHT1x()
{
return(BuffersWriter.Merge(BuffersWriter.GetBytes((int)Operations.GetDHT1x), BuffersWriter.GetBytes(Pwd, Encoding.UTF8)));
}
