/// <summary>
/// Sets a bit in the given position of a byte to the give
/// value.
/// </summary>
/// <param name="value">The byte value to be modified.</param>
/// <param name="bitIndex">The index of the bit to modify. This
/// value can be 0 to 7.</param>
/// <param name="bit">The value to be set in the byte.</param>
/// <returns>Returns the modified byte.</returns>
public static byte SetBit(byte value, int bitIndex, bool bit)
{
if (bitIndex < 0 || bitIndex > 7)
{
throw new ArgumentOutOfRangeException(nameof(bitIndex));
}
byte mask = (byte)Math.Pow(2, bitIndex);
if (bit && RegisterConverter.BitIsLow(value, bitIndex))
{
value += mask;
}
else if (!bit && RegisterConverter.BitIsHigh(value, bitIndex))
{
value -= mask;
}
return(value);
}
/// <summary>
/// Gets the value of the configuration bit at
/// the given index.
/// </summary>
/// <param name="bitIndex">Specifies the configuration
/// bit index from 0 to 15.</param>
/// <returns>Returns true if the bit is High and false
/// if the bit is low.</returns>
public virtual bool GetConfigurationBit(int bitIndex)
{
byte[] buffer = this.ReadFromRegister(Mcp9808Register.Configuration);
return(RegisterConverter.BitIsHigh(buffer[bitIndex > 7 ? 0 : 1], bitIndex));
}
