public ThunderBorg_class(ILogger log = null, bool tryOtherBus = false)
{
if (log != null)
{
this._log = log;
log.WriteLog("THROTTLE_CODE: " + THROTTLE_CODE.ToString());
log.WriteLog();
log.WriteLog("Finding ThunderBorg_class...");
_TBorgAddress = ThunderBorg_class.ScanForThunderBorg(1, log);
}
else
{
_TBorgAddress = ThunderBorg_class.ScanForThunderBorg();
}
if (log != null)
{
log.WriteLog("Loding ThunderBorg_class on bus " + _bus.ToString("X2") + ", address " + _TBorgAddress.ToString("X2"));
}
}
public static int SetNewAddress(byte newAddress, byte?oldAddress = null, int?busNumber = 0, ILogger logger = null)
{
int _oldAddress;
bool _foundBoard = false;
if ((newAddress <= 0x03) || (newAddress > 0x77))
{
logger.WriteLog("Error: I2C addresses below 3 (0x03) and above 119 (0x77) are reserved. Please use a different address.");
throw new ArgumentOutOfRangeException("newAddress", "New port number must be between 0x03 and 0x77.");
}
if (oldAddress == null)
{
_oldAddress = ThunderBorg_class.ScanForThunderBorg(Convert.ToInt32(busNumber), logger);
if (_oldAddress < 0)
{
throw new Exception("ThunderBorg board not found.");
}
}
else
{
_oldAddress = Convert.ToInt32(oldAddress);
}
if (logger != null)
{
logger.WriteLog("Attempting change of ThunderBorg address from " + _oldAddress.ToString("X2") + " to " + newAddress.ToString("X2"), ILogger.Priority.Information);
}
// This code was intended to do another check, but on reflection it doesn't seem to do anything.
//
//ThunderBorg_class changeTB = new ThunderBorg_class();
//try
//{
// byte boardResponse = changeTB.GetBoardID(logger);
// if (boardResponse == _oldAddress) // HACK: are you sure?
// {
// if (logger != null)
// {
// logger.WriteLog("ThunderBorg found at " + _oldAddress.ToString("X2"), ILogger.Priority.Information);
// }
// _foundBoard = true;
// }
// else
// {
// if (logger != null)
// {
// logger.WriteLog("Found _something_ at " + _oldAddress.ToString("X2") + " but it doesn't appear to be a ThunderBorg.", ILogger.Priority.Critical);
// }
// _foundBoard = false;
// throw new ArgumentOutOfRangeException("oldAddress", "Found different kind of board at address " + _oldAddress.ToString("X2"));
// }
//}
//catch(Exception ex)
//{
// // do something
//}
//if (!_foundBoard)
//{
// if (logger != null)
// {
// logger.WriteLog("No board found.", ILogger.Priority.High);
// }
//}
using (var bus = I2CBus.Open("/dev/i2c-" + busNumber.ToString()))
{
bus.WriteBytes(_oldAddress, new byte[] { COMMAND_SET_I2C_ADD, newAddress });
System.Threading.Thread.Sleep(200); // let the I2C bus catch up
int tempCheck = ThunderBorg_class.ScanForThunderBorg(Convert.ToInt32(busNumber), logger);
if (tempCheck == newAddress)
{
logger.WriteLog("CHANGED BOARD ADDRESS FROM " + _oldAddress.ToString("X2") + " TO " + newAddress.ToString("X2"), ILogger.Priority.Critical);
logger.WriteLog("This change will be persistent even after a reboot; keep track of it.", ILogger.Priority.Information);
}
else
{
logger.WriteLog("**FAILED** to change ThunderBorg address. Current address: " + tempCheck.ToString("X2"));
}
return(tempCheck);
}
}