public static short ReadBit()
{
// Send the byte and get back what was sent
var result = TMEX.TMTouchBit(_session.SessionHandle, 0xFF);
// Return the result
return(result);
}
public static void Access()
{
// Attempt to access the device
var result = TMEX.TMAccess(_session.SessionHandle, _session.StateBuffer);
// Check to see if we could access the device
if (result != 1)
{
// Throw an access exception
throw new OneWireException(OneWireException.ExceptionFunction.Access, _lastId, result);
}
}
public static short SendBit(short output)
{
// Send the byte and get back what was sent
var result = TMEX.TMTouchBit(_session.SessionHandle, output);
// Check that the value was sent correctly
if (result != output)
{
// Throw an exception
throw new OneWireException(OneWireException.ExceptionFunction.SendBit, _lastId);
}
// Return the result
return(result);
}
public static short SendBlock(byte[] data, short byteCount, bool reset)
{
// Send the block and return the result
var result = reset ? TMEX.TMBlockStream(_session.SessionHandle, data, byteCount) : TMEX.TMBlockIO(_session.SessionHandle, data, byteCount);
// Check to see if the bytes sent matches the value returned
if (result != byteCount)
{
// Throw an access exception
throw new OneWireException(OneWireException.ExceptionFunction.SendBlock, _lastId, result);
}
// Return the result
return(result);
}
public static short SetLevel(TMEX.LevelOperation nOperation, TMEX.LevelMode nLevelMode, TMEX.LevelPrime nPrimed)
{
// Set the level
var result = TMEX.TMOneWireLevel(_session.SessionHandle, TMEX.LevelOperation.Write, TMEX.LevelMode.Normal, TMEX.LevelPrime.Immediate);
// Check the result
if (result < 0)
{
// Throw an exception
throw new OneWireException(OneWireException.ExceptionFunction.SetLevel, result);
}
// Return the result
return(result);
}
public static void Select(Identifier id)
{
// Set the ID of the device we want to talk to
var result = TMEX.TMRom(_session.SessionHandle, _session.StateBuffer, id.RawId);
// Check the result
if (result != 1)
{
// Throw a ROM exception
throw new OneWireException(OneWireException.ExceptionFunction.Select, id, result);
}
// Copy the ID as the last selected ID
_lastId = id;
// Access the device
Access();
}
private void AddWeatherDevice(Device device)
{
// TODO - Handle device mapping for multiple devices that use the same family code
switch (device.Family)
{
case 0x12:
TMEX.FileEntry fileEntry = new TMEX.FileEntry(); // Entry to describe a file
byte[] fileData = new byte[8]; // File data
Identifier deviceID; // Identifier for the other device
// Select this device
Adapter.Select(device.Id);
// Setup to try to open the pressure sensor file
fileEntry.Name = System.Text.Encoding.ASCII.GetBytes("8570");
fileEntry.Extension = 0;
// Try to open the file
short fileHandle = TMEX.TMOpenFile(OneWireSession.SessionHandle, OneWireSession.StateBuffer, ref fileEntry);
// If a file was found then try to read it
if (fileHandle >= 0)
{
// Read the file to get the ID of the other device
TMEX.TMReadFile(OneWireSession.SessionHandle, OneWireSession.StateBuffer, fileHandle, fileData, (short)fileData.Length);
// Close the file
TMEX.TMCloseFile(OneWireSession.SessionHandle, OneWireSession.StateBuffer, fileHandle);
// Create an ID so we can get the string name
deviceID = new Identifier(fileData);
// Find the other device
Device otherDevice = (Device)OneWireSession.Network.Devices[deviceID.Name];
// Create a new pressure device and it to the the list
Devices.Add(new PressureDevice(this, device, otherDevice));
}
break;
case 0x10:
// Create a new temperature device and add it to the list
Devices.Add(new TemperatureDevice(this, device));
break;
case 0x1D:
if (device.Id.Name == "4000000004A4081D")
{
// Create a new rain device and add it to the list
Devices.Add(new RainDevice(this, device));
}
else
{
// Create a new wind speed device and add it to the list
Devices.Add(new WindSpeedDevice(this, device));
}
break;
case 0x20:
// Create a new wind direction device and add it to the list
Devices.Add(new WindDirectionDevice(this, device));
break;
case 0x26:
// Create a new humidity device and add it to the list
Devices.Add(new HumidityDevice(this, device));
break;
}
}
public static short Reset()
{
// Reset all devices
return(TMEX.TMTouchReset(_session.SessionHandle));
}
