private static void LoadLCDSettings()
{
// Grab the data
_lcdEwrSettings = ExtendedWeakReference.RecoverOrCreate(typeof(LcdEwr), 0, ExtendedWeakReference.c_SurvivePowerdown);
_lcdEwrSettings.Priority = (Int32)ExtendedWeakReference.PriorityLevel.Critical;
_lcd = (LCDSettings)_lcdEwrSettings.Target;
}
public ILI9341Bit18(LCDSettings lcdSettings,
GpioPin chipSelectPin = null,
GpioPin dataCommandPin = null,
GpioPin resetPin = null,
GpioPin backlightPin = null,
int spiClockFrequency = 18 * 1000 * 1000,
SpiMode spiMode = SpiMode.Mode0,
string spiBus = "SPI1") : base(lcdSettings, chipSelectPin,
dataCommandPin, resetPin, backlightPin, spiClockFrequency, spiMode, spiBus)
{
}
/// <summary>
/// Save touch calibration to EWR
/// </summary>
/// <param name="calibrationPoints">Number of points used for calibration</param>
/// <param name="calibrationSx">SX values of calibration</param>
/// <param name="calibrationSy">SY values of calibration</param>
/// <param name="calibrationCx">CX values of calibration</param>
/// <param name="calibrationCy">CY values of calibration</param>
/// <returns>Returns true if the calibration was successfully saved.</returns>
public static bool SaveLCDCalibration(int calibrationPoints, short[] calibrationSx, short[] calibrationSy, short[] calibrationCx, short[] calibrationCy)
{
// Save calibration
if (_lcd == null)
{
_lcd = new LCDSettings(ScreenCalibration.Restore, calibrationPoints, calibrationSx, calibrationSy, calibrationCx, calibrationCy);
}
else
{
_lcd.calibrateLCD = ScreenCalibration.Restore;
_lcd.calibrationpoints = calibrationPoints;
_lcd.calibrationSX = calibrationSx;
_lcd.calibrationSY = calibrationSy;
_lcd.calibrationCX = calibrationCx;
_lcd.calibrationCY = calibrationCy;
}
_lcdEwrSettings.Target = _lcd;
return(true);
}
