public static async Task ScrollString(this DisplayDriver driver, string str, int duration)
{
var displayString = DisplayFrame.GetString(str).ToArray();
int scrollInterval = duration / (displayString.Length + 6);
// Start with a blank frame
var frame = DisplayFrame.Empty;
driver.WriteFrame(frame);
await Task.Delay(scrollInterval);
// Push each character in from the right, one at a time
foreach (var c in displayString)
{
frame = frame.WithPushedCharacter(c);
driver.WriteFrame(frame);
await Task.Delay(scrollInterval);
}
// Push three more blank characters to end off with a blank screen
for (int i = 0; i < 3; i++)
{
frame = frame.WithPushedCharacter(DisplayCharacter.Empty);
driver.WriteFrame(frame);
await Task.Delay(scrollInterval);
}
}
public static async Task BusyLoop(this DisplayDriver driver, int interval, int duration)
{
using (var controller = new DisplayLoopController())
{
await controller.StartNewLoop(new BusyDisplayLoop(driver, interval));
await Task.Delay(duration);
}
}
public BusyDisplayLoop(DisplayDriver driver, int delay)
{
driver.ThrowIfNull(nameof(driver));
if (delay < 1)
{
throw new ArgumentOutOfRangeException(nameof(delay));
}
Driver = driver;
Delay = delay;
}
public static void Clear(this DisplayDriver driver)
{
driver.WriteFrame(DisplayFrame.Empty);
}
public static void WriteDecimal(this DisplayDriver driver, decimal value, StatusLed signLed = StatusLed.Blue)
{
driver.WriteFrame(DisplayFrame.FromDecimal(value, signLed));
}
public static void WriteString(this DisplayDriver driver, string str)
{
driver.WriteFrame(DisplayFrame.FromString(str));
}