diff options
Diffstat (limited to 'rail.h')
| -rw-r--r-- | rail.h | 31 |
1 files changed, 26 insertions, 5 deletions
@@ -34,6 +34,17 @@ typedef enum Track { } Track; +/** Convert an Axis to the corresponding Track + * AXIS_X -> TRACK_X + * AXIS_Y -> TRACK_Y + * Uses the fact that they share the same internal encoding + */ +static inline Track AxisToTrack(Axis a) +{ + return (Track)a; +} + + /** Bitfield corresponding to Track */ typedef enum TrackBits { TRACK_BIT_NONE = 0U, @@ -55,6 +66,21 @@ typedef enum TrackBits { } TrackBits; +/** + * Maps a Track to the corresponding TrackBits value + */ +static inline TrackBits TrackToTrackBits(Track track) +{ + return (TrackBits)(1 << track); +} + + +static inline TrackBits AxisToTrackBits(Axis a) +{ + return TrackToTrackBits(AxisToTrack(a)); +} + + /** These are a combination of tracks and directions. Values are 0-5 in one direction (corresponding to the Track enum) and 8-13 in the other direction. */ typedef enum Trackdirs { @@ -242,11 +268,6 @@ static inline Trackdir ReverseTrackdir(Trackdir trackdir) { } /** - * Maps a Track to the corresponding TrackBits value - */ -static inline TrackBits TrackToTrackBits(Track track) { return (TrackBits)(1 << track); } - -/** * Returns the Track that a given Trackdir represents */ static inline Track TrackdirToTrack(Trackdir trackdir) { return (Track)(trackdir & 0x7); } |