private static SpiEngineStatus GetSpiEngineStatusFromBytes(byte[] data)
{
// according with the manual, the command never faults
SpiEngineStatus response = new SpiEngineStatus();
response.ExternalRequestPending = data[2] == 0;
switch (data[3])
{
case 0:
response.BusOwner = SpiBusOwner.NoOwner;
break;
case 1:
response.BusOwner = SpiBusOwner.UsbBridge;
break;
case 2:
response.BusOwner = SpiBusOwner.ExternalMaster;
break;
default:
throw new NotImplementedException();
}
response.AttemptedPasswordAccesses = data[4];
response.PasswordGuessed = data[5] == 1;
return(response);
}
public SpiEngineStatus CancelCurrentTransfer()
{
// create the packet
byte[] packet = new byte[Constants.PacketsSize];
packet[0] = CommandCodes.CancelCurrentSpiTransfer;
// send the packet
byte[] reply = _hidHandler.WriteData(packet);
// check for errors
if (reply[0] != CommandCodes.CancelCurrentSpiTransfer)
{
throw new PacketReplyFormatException();
}
// according with the manual, the command never faults
SpiEngineStatus response = GetSpiEngineStatusFromBytes(reply);
return(response);
}
public SpiEngineStatus ReadEngineStatus()
{
// create the packet
byte[] packet = new byte[Constants.PacketsSize];
packet[0] = CommandCodes.ReadCurrentSpiStatus;
// send the packet
byte[] reply = _hidHandler.WriteData(packet);
// check for errors
if (reply[0] != CommandCodes.ReadCurrentSpiStatus)
{
throw new PacketReplyFormatException();
}
// get the response
SpiEngineStatus response = GetSpiEngineStatusFromBytes(reply);
return(response);
}