/// <summary>
/// Reads the pre-scale register and calculates the <see cref="Frequency"/> (and related properties)
/// based on <see cref="ClockSpeed"/>.
/// </summary>
/// <returns>
/// Frequency in Hz. Related properties are also udpated.
/// </returns>
public float ReadFrequency()
{
// Read pre-scale register
var preScale = Hardware.WriteReadByte((byte)NxpPca9685Register.PreScale);
// Calculate frequency
var frequency = CalculateFrequency(preScale, ClockSpeed);
// Update related properties
Frequency = frequency;
PwmMsMinimum = NxpPca9685ChannelValue.CalculateMilliseconds(Frequency, 0);
PwmMsMaximum = NxpPca9685ChannelValue.CalculateMilliseconds(Frequency, NxpPca9685ChannelValue.Maximum);
// Return result
return(frequency);
}
