public Dht11(int oneWirePin)
{
m_ow = new GHIElectronics.TinyCLR.Devices.Onewire.OneWireController(oneWirePin);
m_ow.TouchReset();
var oneWireDevices = m_ow.FindAllDevices();
foreach (byte[] serialNumber in oneWireDevices)
{
m_dev = serialNumber;
break;
}
// m_op = new OutputPort(pin, false);
}
public static void Main()
{
// get controller for OneWire
OneWireController oneWire = new OneWireController();
////////////////////////////////////////////////////////////////////
// Sample code to read serial number for a devices present in bus
//
// With this approach, three steps are needed:
// - Reset 1-Wire bus
// - Transmit Read ROM command
// - Read 8 bytes (serial number)
////////////////////////////////////////////////////////////////////
byte[] state = new byte[13];
// check for devices present with a bus reset
if (oneWire.TouchReset())
{
Debug.WriteLine("Device present");
// tx READ ROM
var res = oneWire.WriteByte(0x33);
// now read 8 byte for SN
// and output serial number nicelly formated in hexa
for (int i = 0; i < 8; i++)
{
// read byte
state[i] = oneWire.TouchByte(0xFF);
// output byte
Debug.Write(state[i].ToString("X2"));
}
Debug.WriteLine("");
}
else
{
Debug.WriteLine("!! No devices found !!");
}
////////////////////////////////////////////////////////////////////
// Sample code to read serial number for a devices present in bus
//
// Just call FindFirstDevice and it will fill OneWire SerialNumber
// buffer with the 1-Wire device serial number present in bus
////////////////////////////////////////////////////////////////////
if (oneWire.FindFirstDevice(true, false))
{
Debug.WriteLine("device found:");
// output serial number nicelly formated in hexa
for (int i = 0; i < 8; i++)
{
Debug.Write(oneWire.SerialNumber[i].ToString("X2"));
}
Debug.WriteLine("");
}
else
{
Debug.WriteLine("!! No devices found !!");
}
////////////////////////////////////////////////////////////////////
// Sample code to read serial number for all devices present in bus
//
// Just call FindAllDevices and it will return an array list with
// all 1-Wire devices serial numbers present in bus
////////////////////////////////////////////////////////////////////
ArrayList snList = oneWire.FindAllDevices();
if (snList.Count > 0)
{
Debug.WriteLine(String.Format("{0} devices found", snList.Count));
foreach (byte[] sn in snList)
{
// output serial number nicelly formated in hexa
for (int i = 0; i < 8; i++)
{
Debug.Write(sn[i].ToString("X2"));
}
Debug.WriteLine("");
}
}
else
{
Debug.WriteLine("!! No devices found !!");
}
Thread.Sleep(Timeout.Infinite);
}