/// <summary>
/// Sends a message to the device with the given
/// DeviceId in order to try to identify it, and
/// if successful, returns a DeviceBase object.
/// The derived type of the returned object varies
/// depending on the Device category discovered
/// during the identification process.
/// </summary>
/// <returns>null if unsuccessful - check plm.Exception</returns>
public bool TryConnectToDevice(DeviceId deviceId, out DeviceBase device)
{
if (deviceId == null)
{
throw new ArgumentNullException("deviceId");
}
DeviceBase result = null;
if (this.deviceCache.ContainsKey(deviceId))
{
result = this.deviceCache[deviceId];
}
else
{
this.plm.exceptionHandler(() =>
{
byte[] responseAck = this.plm.sendStandardLengthMessageAndWait4Response(
deviceId, Constants.MSG_FLAGS_DIRECT, 0x10, 0x00);
byte[] responseIdRequest = this.plm.waitForStandardMessageFrom(deviceId);
result = DeviceFactory.BuildDevice(this.plm, responseIdRequest);
});
if (result != null)
{
this.deviceCache.Add(deviceId, result);
}
}
device = result;
return(result != null);
}
public static T BuildDeviceForTest <T>(byte deviceCategory, byte deviceSubcategory, ISerialPortController serialPortController,
byte peerIdHi, byte peerIdMiddle, byte peerIdLo) where T : DeviceBase
{
const byte PEER_FIRMWARE = 0x00;
const byte MSG_FLAGS = Constants.MSG_FLAGS_BROADCAST;
var plm = new Plm(serialPortController);
byte[] idRequestResponse = new byte[] { 0x02, 0x50, peerIdHi, peerIdMiddle, peerIdLo,
deviceCategory, deviceSubcategory, PEER_FIRMWARE, MSG_FLAGS, 0x01, 0xFF };
return(DeviceFactory.BuildDevice(plm, idRequestResponse) as T);
}