/// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
/// <summary>
/// Closes the port.
///
/// </summary>
/// <history>
/// 07 Mar 19 Cynic - Originally written
/// </history>
public override void ClosePort()
{
string outfileName = BBBDefinitions.PWM_FILENAME_UNEXPORT.Replace("%chipNum%", ConvertPWMPortEnumToChipNumber(PWMPort).ToString()).Replace("%deviceNum%", ConvertPWMPortEnumToDeviceNumber(PWMPort).ToString());
Console.WriteLine("PWMPort Port Closing: " + outfileName + ", " + ConvertPWMPortEnumToDeviceNumber(PWMPort).ToString());
// do the unexport
System.IO.File.WriteAllText(outfileName, ConvertPWMPortEnumToDeviceNumber(PWMPort).ToString());
portIsOpen = false;
// the act of writing the PortExportNumber to the unexport file
// will remove the directory /sys/class/pwm/pwm<PortExportNumber>:
Console.WriteLine("PWMPort Port Closed: " + PWMPort.ToString());
}
/// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
/// <summary>
/// Opens the port. Throws an exception on failure
///
/// </summary>
/// <history>
/// 07 Mar 19 Cynic - Originally written
/// </history>
protected override void OpenPort()
{
string outfileName = BBBDefinitions.PWM_FILENAME_EXPORT.Replace("%chipNum%", ConvertPWMPortEnumToChipNumber(PWMPort).ToString()).Replace("%deviceNum%", ConvertPWMPortEnumToDeviceNumber(PWMPort).ToString());
Console.WriteLine("PWMPort Port Opening: " + outfileName + ", " + ConvertPWMPortEnumToDeviceNumber(PWMPort).ToString());
// do the export
System.IO.File.WriteAllText(outfileName, ConvertPWMPortEnumToDeviceNumber(PWMPort).ToString());
portIsOpen = true;
// the act of writing the PortExportNumber to the export file
// will create a directory /sys/class/pwm/pwm<PortExportNumber>
// This directory contains files which we can use to enable the PWM
// and set the pulse widths etc
Console.WriteLine("PWMPort Port Opened: " + PWMPort.ToString());
}