public BeagleGpioReader(BbbPort pPort, string pLabel = "undef", bool pInitialState = true, bool pInvertPolarity = false)
{
port = pPort;
label = pLabel;
oldState = pInitialState ? InputSensorState.High : InputSensorState.Low;
invertPolarity = pInvertPolarity;
gpio = new Gpio(BbbPort.P8_43, true, true);
}
public PortBase(BbbPort port, bool autoConfigure = true)
{
Port = port;
if (autoConfigure)
{
Configure();
}
}
protected static string GetDevicePath(BbbPort port, IDictionary <BbbPort, string> mappings)
{
string result;
var ocpPath = Directory.EnumerateDirectories("/sys/devices/", "ocp.*").FirstOrDefault()
?? "/sys/devices/ocp.2"; // Default OCP number
var mapping = mappings[port];
result = Directory.EnumerateDirectories(ocpPath, mapping).FirstOrDefault();
if (result == null)
{
throw new BlackNetException(String.Format("Unable to find the device path for '{0}' in OCP path '{1}'.", mapping, ocpPath));
}
return(result);
}
/// <summary> Constructs a Pulse Width Modulation (PWM) GPIO port wrapper. </summary>
/// <param name="port"> Must be an available port supporting PWM. </param>
/// <param name="autoConfigure"> Configure the device tree. Should be true unless you are certain that it is already configured or you are constructing the instance to unconfgure it. </param>
public Pwm(BbbPort port, bool autoConfigure = true) : base(port, autoConfigure)
{
}
public SlotPortBase(BbbPort port, bool autoConfigure = true) : base(port, autoConfigure)
{
}
/// <summary> Wraps a digital I/O port. </summary>
/// <param name="autoConfigure"> Whether to automatically configure the port. Set to true unless you're certain the port is already configured. </param>
/// <param name="checkSafety"> When true, extra checks are performed to be sure the port is in ready state before writing. </param>
public Gpio(BbbPort port, bool autoConfigure = true, bool checkSafety = true) : base(port, autoConfigure)
{
_checkSafety = checkSafety;
}