public void SetSensorAddress(DS18B20_Address Address)
{
byte[] b = Address;
Array.Reverse(b); //Muss umgekehrt in den Buffer;
for (byte ix = 0; ix < 8; ix++)
{
ByteToBuffer(b[ix], (byte)(ix + 1));
}
}
public void SetSensorAddress(string stringAD)
{
//DS18B20_Address Ad =
byte[] b = new DS18B20_Address(stringAD);
Array.Reverse(b); //Muss umgekehrt in den Buffer;
for (byte ix = 0; ix < 8; ix++)
{
ByteToBuffer(b[ix], (byte)(ix + 1));
}
}
/// <summary>
/// Sucht Bus nach Sensoren
/// </summary>
/// <param name="Address">Referenz auf Byte Array, gibt Adresse zurück</param>
/// <returns>Letzter sensor = false</returns>
//public bool Search(ref byte[] Address)
public bool Search(ref DS18B20_Address Address)
{
if (LastDevice || Devices < 1)
{
return(true);
}
ByteToBuffer(Command.Search);
//Send Command
//WriteCommandToPort(8);
WriteToPort(8);
System.Threading.Thread.Sleep(5);
//Clear Data Buffer(+8) from last Conflict
for (int ix = Bit_last_Conflict_pos + 1 + 8; ix < 8 * 8; ix++)
{
Buffer[ix] = 0x0;
}
for (byte BitsPos = 0; BitsPos < 8 * 8; BitsPos++)
{
ByteToBuffer(3); //0b00000011
//Get Payload
//WriteCommandToPort(2);
WriteToPort(2);
switch (BufferToBytes(0, 1)[0])
{
case 0:
//Konflikt 2 mögliche Pfade wähle erst 0 dann beim nächtsetn mal 1
if (Buffer[BitsPos + 8] == 0x00)
{
Bit_last_Conflict_pos = BitsPos;
}
break;
case 1:
//Antwort Write 1
SetBufferDataBit(BitsPos, Bit.HIGH);
break;
case 2:
//Antwort Write 0
SetBufferDataBit(BitsPos, Bit.LOW);
break;
case 3:
//Fehler ToDo...
break;
}
//Im Datenbuffer ist das nächste Kommando enthalen
Buffer[0] = Buffer[BitsPos + 8];
//WriteCommandToPort(1);
WriteToPort(1);
}
//aktuelles Ergebniss speichern
//Address = BufferToBytes(8,8);
Address = GetSensorAddress();
//Pfad,Buffer für nächsten Durchlauf vorbereiten
if (Buffer[Bit_last_Conflict_pos + 8] != 0xFF && Bit_last_Conflict_pos != 0)
{
SetBufferDataBit(Bit_last_Conflict_pos, Bit.HIGH);
Devices++;
LastDevice = false;
}
else
{
LastDevice = true;
}
return(false);
}
public DS18B20_Address(DS18B20_Address ad)
{
CRC = ad.CRC;
SerialNumber = (byte[])ad.SerialNumber.Clone();
FamilyCode = ad.FamilyCode;
}
