public void Clear()
{
Value = 0;
Direction = EPinDirection.Disconnected;
Mode = EPinOperatingMode.None;
Busy = false;
}
public PinState(int id)
{
Id = id;
Value = 0;
Direction = EPinDirection.Disconnected;
Mode = EPinOperatingMode.None;
Busy = false;
FrequencyHz = 20000;
FrequencyMultiplier = 1;
DutyCycle = 511;
}
/// <summary>
/// Read the pin's last known value. Will configure the pin for input if necessary.
/// </summary>
/// <param name="pin">The id of the pin.</param>
/// <param name="operatingMode">The operating mode of the pin.</param>
/// <param name="pullMode">The pull mode of the pin. Applicable for digital inputs only.</param>
/// <returns>The most recent sampled pin value.</returns>
public int ReadPinValue(int pin, EPinOperatingMode operatingMode, EPinPullMode pullMode = EPinPullMode.PullNone)
{
if (!_port.IsOpen || _status != EDeviceStatus.READY)
{
return(0);
}
if (pin < 0 || pin > 2)
{
return(0);
}
// If this pin is already configured for input, return the current value.
if (_curr.Pins[pin].Mode == operatingMode)
{
return(_curr.Pins[pin].Value);
}
_curr.Pins[pin].Mode = operatingMode;
_curr.Pins[pin].Value = 0;
MicroBitMessageWriter writer = new MicroBitMessageWriter();
writer.WriteChar(Protocol.CMD_CONFIG_INPUT_PIN);
writer.WriteU8Hex(pin);
if (operatingMode == EPinOperatingMode.Analog)
{
writer.WriteU8Hex((int)EPinAnalogMode.In);
}
else
{
writer.WriteU8Hex((int)EPinDigitalMode.In);
writer.WriteU8Hex((int)pullMode);
}
QueueForSend(writer.ToString());
return(0);
}
/// <summary>
/// Set the pin's output value. Will configure the pin for output if necessary.
/// </summary>
/// <param name="pin">The id of the pin.</param>
/// <param name="value">The value to set.</param>
/// <param name="operatingMode">The operating mode of the pin.</param>
public void SetPinValue(int pin, int value, EPinOperatingMode operatingMode)
{
if (!_port.IsOpen || _status != EDeviceStatus.READY)
{
return;
}
if (pin < 0 || pin > 2)
{
return;
}
if (value < 0 || value > 0xff)
{
return;
}
if (_curr.Pins[pin].Busy)
{
return;
}
// Don't send the same value over and over.
if (_curr.Pins[pin].Mode == operatingMode && _curr.Pins[pin].Value == value)
{
return;
}
_curr.Pins[pin].Mode = operatingMode;
_curr.Pins[pin].Value = value;
MicroBitMessageWriter writer = new MicroBitMessageWriter();
writer.WriteChar(Protocol.CMD_SET_PIN_VALUE);
writer.WriteU8Hex(pin);
writer.WriteU8Hex(operatingMode == EPinOperatingMode.Digital ? (int)EPinDigitalMode.Out : (int)EPinAnalogMode.Out);
writer.WriteU16Hex(value);
QueueForSend(writer.ToString());
}
