diff options
Diffstat (limited to 'src/class/midi/midi_device.h')
| -rw-r--r-- | src/class/midi/midi_device.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/class/midi/midi_device.h b/src/class/midi/midi_device.h index ddbc2f9f0..b80ad544a 100644 --- a/src/class/midi/midi_device.h +++ b/src/class/midi/midi_device.h @@ -66,6 +66,13 @@ uint32_t tud_midi_n_available(uint8_t itf, uint8_t cable_num); // Read byte stream (legacy) uint32_t tud_midi_n_stream_read(uint8_t itf, uint8_t cable_num, void *buffer, uint32_t bufsize); +// Read byte stream with cable demultiplexing: returns the cable number of the +// data that was read. Reads from a single cable per call; stops when the next +// packet belongs to a different cable so the caller can dispatch per-cable. +// Note: shares internal state with tud_midi_n_stream_read(); do not mix both +// on the same interface. +uint32_t tud_midi_n_demux_stream_read(uint8_t itf, uint8_t *p_cable_num, void *buffer, uint32_t bufsize); + // Write byte Stream (legacy) uint32_t tud_midi_n_stream_write(uint8_t itf, uint8_t cable_num, const uint8_t *buffer, uint32_t bufsize); @@ -97,6 +104,11 @@ TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_midi_stream_read(void *buffer, } TU_ATTR_ALWAYS_INLINE static inline uint32_t +tud_midi_demux_stream_read(uint8_t *p_cable_num, void *buffer, uint32_t bufsize) { + return tud_midi_n_demux_stream_read(0, p_cable_num, buffer, bufsize); +} + +TU_ATTR_ALWAYS_INLINE static inline uint32_t tud_midi_stream_write(uint8_t cable_num, const uint8_t *buffer, uint32_t bufsize) { return tud_midi_n_stream_write(0, cable_num, buffer, bufsize); } |