/// <summary>
/// Encode a word, along with it repeats, into a sequence of segments
/// </summary>
/// <remarks>
/// Because the IguanaWorks client has a built-in timeout that
/// can't deal with sequences that are too long, every repeat
/// will have its own sequence.
/// </remarks>
public IEnumerable<IEnumerable<Segment>> EncodeWord(RC5Word word)
{
var result =
Enumerable.Range(0, word.Count)
.SelectMany(_ => new IEnumerable<Segment>[] {
EncodeWithoutRepeat(word),
// Have a word sleep after every word, so we can arbitrarily append
// encoded words
new Segment[] { new Segment(false, RepeatPauseUsec) }
});
state.ToggleBit = !state.ToggleBit;
return result;
}
/// <summary>
/// Encode a word, along with it repeats, into a sequence of segments
/// </summary>
/// <remarks>
/// Because the IguanaWorks client has a built-in timeout that
/// can't deal with sequences that are too long, every repeat
/// will have its own sequence.
/// </remarks>
public IEnumerable <IEnumerable <Segment> > EncodeWord(RC5Word word)
{
var result =
Enumerable.Range(0, word.Count)
.SelectMany(_ => new IEnumerable <Segment>[] {
EncodeWithoutRepeat(word),
// Have a word sleep after every word, so we can arbitrarily append
// encoded words
new Segment[] { new Segment(false, RepeatPauseUsec) }
});
state.ToggleBit = !state.ToggleBit;
return(result);
}
/// <summary>
/// Return the bits that need to be encoded for a word
/// </summary>
private IEnumerable<bool> WordBits(RC5Word word)
{
return new bool[] {
true,
(word.Command & 0x40) == 0, // Note: bit inverted
state.ToggleBit,
// System
(word.System & 0x10) != 0,
(word.System & 0x08) != 0,
(word.System & 0x04) != 0,
(word.System & 0x02) != 0,
(word.System & 0x01) != 0,
// Command
(word.Command & 0x20) != 0,
(word.Command & 0x10) != 0,
(word.Command & 0x08) != 0,
(word.Command & 0x04) != 0,
(word.Command & 0x02) != 0,
(word.Command & 0x01) != 0
};
}
/// <summary>
/// Return the bits that need to be encoded for a word
/// </summary>
private IEnumerable <bool> WordBits(RC5Word word)
{
return(new bool[] {
true,
(word.Command & 0x40) == 0, // Note: bit inverted
state.ToggleBit,
// System
(word.System & 0x10) != 0,
(word.System & 0x08) != 0,
(word.System & 0x04) != 0,
(word.System & 0x02) != 0,
(word.System & 0x01) != 0,
// Command
(word.Command & 0x20) != 0,
(word.Command & 0x10) != 0,
(word.Command & 0x08) != 0,
(word.Command & 0x04) != 0,
(word.Command & 0x02) != 0,
(word.Command & 0x01) != 0
});
}
/// <summary>
/// Encode a single RC5 Word into a sequence of segments, ignoring repeats
/// </summary>
private IEnumerable<Segment> EncodeWithoutRepeat(RC5Word word)
{
return WordBits(word).SelectMany(BitToTransition);
}
/// <summary>
/// Transmit an RC5 word according to the repeat count inside
/// </summary>
public void Transmit(RC5Word word)
{
encoder.EncodeWord(word).Each(client.TransmitSequence);
}
/// <summary>
/// Encode a single RC5 Word into a sequence of segments, ignoring repeats
/// </summary>
private IEnumerable <Segment> EncodeWithoutRepeat(RC5Word word)
{
return(WordBits(word).SelectMany(BitToTransition));
}
