/// <summary>
/// Reads the PWM channels from the device then updates the related properties.
/// </summary>
void INavioPwmDevice.Read()
{
// Thread-safe lock
lock (_lock)
{
// Read channels together (BGR ordered)
var channels = _device.ReadChannels(PwmChannelIndex, PwmChannelCount);
// Update channel properties
var frequency = _device.Frequency;
for (int index = 0; index < PwmChannelCount; index++)
{
var widthTicks = channels[index].Width;
var widthMs = Pca9685ChannelValue.CalculateWidthMs(frequency, widthTicks);
_pwmChannels[index] = PwmPulse.FromWidth(frequency, widthMs);
}
}
}
/// <summary>
/// Reads the LED & PWM channels from the device then updates the related properties.
/// </summary>
public void Read()
{
// Thread-safe lock
lock (_lock)
{
// Read all PWM and LED channels
_device.ReadAll();
// Update LED properties
_ledRed = ~_device.Channels[LedRedChannelIndex].Width & 0xfff;
_ledGreen = ~_device.Channels[LedGreenChannelIndex].Width & 0xfff;
_ledBlue = ~_device.Channels[LedGreenChannelIndex].Width & 0xfff;
// Update PWM properties
var frequency = _device.Frequency;
for (int index = 0, pwmIndex = PwmChannelIndex; index < PwmChannelCount; index++, pwmIndex++)
{
var widthTicks = _device.Channels[pwmIndex].Width;
var widthMs = Pca9685ChannelValue.CalculateWidthMs(frequency, widthTicks);
_pwmChannels[index] = PwmPulse.FromWidth(frequency, widthMs);
}
}
}