private void Start(LedChannelCount channelCount)
{
channels = (int)channelCount;
currentValue = new BitArray(channels);
for (var i = 0; i < channels; i++)
{
Leds.Add(new Led(this, i));
}
if (oe != null)
{
oe.MakeDigitalPushPullOutAsync();
oe.DigitalValue = false;
HasGlobalBrightnessControl = false;
}
else if (oePwm != null)
{
oePwm.EnablePwmAsync();
oePwm.PulseWidth = 0;
HasGlobalBrightnessControl = true;
}
else
{
HasGlobalBrightnessControl = false;
}
HasIndividualBrightnessControl = false;
Brightness = 1.0; // turn on the display
}
/// <summary>
/// Construct a dual half bridge with PWM speed control
/// </summary>
/// <param name="A">The "A" channel half-bridge input</param>
/// <param name="B">The "B" channel half-bridge input</param>
/// <param name="Enable">The PWM input used to control the output enable</param>
public DualHalfBridge(DigitalOut A, DigitalOut B, Pwm Enable)
{
Enable.EnablePwmAsync();
Enable.DutyCycle = 0;
Enable.EnablePwmAsync();
A.MakeDigitalPushPullOutAsync();
B.MakeDigitalPushPullOutAsync();
enablePwm = Enable;
this.A = A;
this.B = B;
}
/// <summary>
/// Construct a dual half bridge with no speed control
/// </summary>
/// <param name="A">The "A" channel half-bridge input</param>
/// <param name="B">The "B" channel half-bridge input</param>
/// <param name="Enable">An optional Enable pin of the H-bridge</param>
public DualHalfBridge(DigitalOut A, DigitalOut B, DigitalOut Enable = null)
{
if (Enable != null)
{
Enable.DigitalValue = false;
Enable.MakeDigitalPushPullOutAsync();
enable = Enable;
}
A.MakeDigitalPushPullOutAsync();
B.MakeDigitalPushPullOutAsync();
this.A = A;
this.B = B;
}
/// <summary>
/// Create a ADJDS311 device
/// </summary>
/// <param name="I2CDevice">The I2c port to use</param>
/// <param name="LedPin">The pin attached to the led</param>
public Adjds311(I2C I2CDevice, DigitalOut LedPin) : base(0x74, I2CDevice)
{
_I2C = I2CDevice;
_I2C.Enabled = true;
led = LedPin;
led.MakeDigitalPushPullOutAsync();
WriteByteDataAsync(CAP_RED, 15);
WriteByteDataAsync(CAP_GREEN, 15);
WriteByteDataAsync(CAP_BLUE, 15);
WriteByteDataAsync(CAP_CLEAR, 15);
WriteByteDataAsync(INT_RED_LO, 0x00);
WriteByteDataAsync(INT_RED_HI, 0x4);
WriteByteDataAsync(INT_GREEN_LO, 0x00);
WriteByteDataAsync(INT_GREEN_HI, 0x5);
WriteByteDataAsync(INT_BLUE_LO, 0x00);
WriteByteDataAsync(INT_BLUE_HI, 0x9);
WriteByteDataAsync(INT_CLEAR_LO, 0x00);
WriteByteDataAsync(INT_CLEAR_HI, 0x2);
}
/// <summary>
/// Construct a new instance of the Sn74hc166
/// </summary>
/// <param name="spiModule">SPI module to use</param>
/// <param name="loadPin">latch pin</param>
public Hc166(Spi spiModule, DigitalOut loadPin)
{
loadPin.MakeDigitalPushPullOutAsync();
spiModule.Enabled = true;
}