/// <summary>
/// Sets the display configuration. This must be called by all display module constructors (even ones not using LCD displays)
/// </summary>
/// <param name="displayConfig">The display configuration.</param>
protected static void SetLCDConfig(Mainboard.LCDConfiguration displayConfig)
{
if (_numDisplaysConstructed != _numDisplaysConfigured + 1)
{
DisplayError("ERROR IN DISPLAY MODULE DRIVER: All display module constructors must call DisplayModule.SetLCDConfig() once.");
}
if (displayConfig != Mainboard.LCDConfiguration.HeadlessConfig && (displayConfig.Height == 0 || displayConfig.Width == 0))
{
DisplayError("ERROR IN DISPLAY MODULE DRIVER: LCDConfiguration must specify Height and Width of display");
}
_numDisplaysConfigured++;
_displayModuleToBeConfigured._config = displayConfig;
if (displayConfig.LCDControllerEnabled)
{
if (_lcdControllerConfig != null)
{
if (_lcdControllerConfig == lcdPinsUsedAsIOs)
{
DisplayError("ERROR: Cannot use LCD controller pins as IOs and also use an LCD controller based display");
}
else
{
DisplayError("ERROR: Cannot use more than one LCD controller based display at a time");
}
}
_lcdControllerConfig = displayConfig;
Mainboard.SetLCDConfiguration(displayConfig);
}
}
/// <summary>
/// Called when a pin otherwise used for the LCD controller is reserved for another module
/// We have to ensure the LCD controller pins are disabled so they can be reused
/// </summary>
internal static void LCDControllerPinReuse()
{
if (_lcdControllerConfig != null && _lcdControllerConfig.LCDControllerEnabled)
{
DisplayError("ERROR: Cannot use LCD controller pins as IOs simultaneously with using them to drive a display");
}
Mainboard.SetLCDConfiguration(lcdPinsUsedAsIOs); // this will reboot if necessary
if (_lcdControllerConfig == null)
{
_lcdControllerConfig = lcdPinsUsedAsIOs;
}
}
