private static IDriveTextDisplays GetMcp8Driver()
{
II2CBus bus = new SpotI2CBus();
MCP23017 mcp = new MCP23017(bus, 0x021);
DisplayPins displayPins = new DisplayPins((Pin)21, (Pin)22, (Pin)23, (Pin)24, (Pin)25, (Pin)26, (Pin)27, (Pin)28, (Pin)1, (Pin)3, Pin.None, (Pin)2);
return(new Mcp23017TextDriver(mcp, displayPins));
}
public void ShowCounter()
{
_counterCancelationTokenSource = new CancellationTokenSource();
Task.Run(() =>
{
DisplayControlPins[0].IsOn = true;
DisplayControlPins[1].IsOn = false;
int[] digitNumbers;
var sw = new Stopwatch();
var milissec = 5;
while (!_counterCancelationTokenSource.Token.IsCancellationRequested)
{
digitNumbers = _numbers[DisplayValue / 10];
DisplayPins.SwitchAll(false);
DisplayControlPins.Invert();
DisplayPins.Where((p, i) => digitNumbers.Contains(i)).SwitchAll(true);
sw.Restart();
while (sw.ElapsedMilliseconds < milissec)
{
;
}
digitNumbers = _numbers[DisplayValue % 10];
DisplayPins.SwitchAll(false);
DisplayControlPins.Invert();
DisplayPins.Where((p, i) => digitNumbers.Contains(i)).SwitchAll(true);
sw.Restart();
while (sw.ElapsedMilliseconds < milissec)
{
;
}
}
sw.Stop();
DisplayPins.SwitchAll(false);
DisplayControlPins.SwitchAll(true);
}, _counterCancelationTokenSource.Token);
}
protected RegisterBasedCharacterDisplayDriver(DisplayPins displayPins)
: base(displayPins.TransferMode)
{
_displayPins = displayPins;
}
