synthio: doc fixes, rename BendType to BendMode

shared-bindings/synthio/Note.c

@@ -59,7 +59,7 @@ static const mp_arg_t note_properties[] = {
 //|         tremolo_rate: float = 0.0,
 //|         bend_depth: float = 0.0,
 //|         bend_rate: float = 0.0,
-//|         bend_mode: BendMode = BendMode.VIBRATO,
+//|         bend_mode: "BendMode" = BendMode.VIBRATO,
 //|     ) -> None:
 //|         """Construct a Note object, with a frequency in Hz, and optional panning, waveform, envelope, tremolo (volume change) and bend (frequency change).
 //|
@@ -270,7 +270,7 @@ MP_PROPERTY_GETSET(synthio_note_envelope_obj,
 //|     ring_frequency: float
 //|     """The ring frequency of the note, in Hz. Zero disables.
 //|
-//|     For ring to take effect, both ring_frequency and ring_wavefor must be set."""
+//|     For ring to take effect, both ``ring_frequency`` and ``ring_waveform`` must be set."""
 STATIC mp_obj_t synthio_note_get_ring_frequency(mp_obj_t self_in) {
     synthio_note_obj_t *self = MP_OBJ_TO_PTR(self_in);
     return mp_obj_new_float(common_hal_synthio_note_get_ring_frequency(self));
@@ -290,7 +290,7 @@ MP_PROPERTY_GETSET(synthio_note_ring_frequency_obj,
 //|     ring_waveform: Optional[ReadableBuffer]
 //|     """The ring waveform of this note. Setting the ring_waveform to a buffer of a different size resets the note's phase.
 //|
-//|     For ring to take effect, both ring_frequency and ring_wavefor must be set."""
+//|     For ring to take effect, both ``ring_frequency`` and ``ring_waveform`` must be set."""
 //|
 STATIC mp_obj_t synthio_note_get_ring_waveform(mp_obj_t self_in) {
     synthio_note_obj_t *self = MP_OBJ_TO_PTR(self_in);

shared-bindings/synthio/__init__.c

@@ -289,36 +289,41 @@ MP_DEFINE_CONST_FUN_OBJ_1(synthio_onevo_to_hz_obj, onevo_to_hz);
 MAKE_ENUM_VALUE(synthio_bend_mode_type, bend_mode, STATIC, SYNTHIO_BEND_MODE_STATIC);
 MAKE_ENUM_VALUE(synthio_bend_mode_type, bend_mode, VIBRATO, SYNTHIO_BEND_MODE_VIBRATO);
 MAKE_ENUM_VALUE(synthio_bend_mode_type, bend_mode, SWEEP, SYNTHIO_BEND_MODE_SWEEP);
+MAKE_ENUM_VALUE(synthio_bend_mode_type, bend_mode, SWEEP_IN, SYNTHIO_BEND_MODE_SWEEP_IN);
 
 //|
-//| class BendType:
+//| class BendMode:
 //|     """Controls the way the ``Note.pitch_bend_depth`` and ``Note.pitch_bend_rate`` properties are interpreted."""
 //|
 //|     STATIC: object
 //|     """The Note's pitch is modified by its ``pitch_bend_depth``. ``pitch_bend_rate`` is ignored."""
 //|
 //|     VIBRATO: object
-//|     """The Note's pitch varies by ``±pitch_bend_depth` at a rate of ``pitch_bend_rate``Hz."""
+//|     """The Note's pitch varies by ``±pitch_bend_depth`` at a rate of ``pitch_bend_rate`` Hz."""
 //|
 //|     SWEEP: object
 //|     """The Note's pitch starts at ``Note.frequency`` then sweeps up or down by ``pitch_bend_depth`` over ``1/pitch_bend_rate`` seconds."""
 //|
+//|     SWEEP_IN: object
+//|     """The Note's pitch sweep is the reverse of ``SWEEP`` mode, starting at the bent pitch and arriving at the tuned pitch."""
+//|
 MAKE_ENUM_MAP(synthio_bend_mode) {
     MAKE_ENUM_MAP_ENTRY(bend_mode, STATIC),
     MAKE_ENUM_MAP_ENTRY(bend_mode, VIBRATO),
     MAKE_ENUM_MAP_ENTRY(bend_mode, SWEEP),
+    MAKE_ENUM_MAP_ENTRY(bend_mode, SWEEP_IN),
 };
 
 STATIC MP_DEFINE_CONST_DICT(synthio_bend_mode_locals_dict, synthio_bend_mode_locals_table);
 
 MAKE_PRINTER(synthio, synthio_bend_mode);
 
-MAKE_ENUM_TYPE(synthio, BendType, synthio_bend_mode);
+MAKE_ENUM_TYPE(synthio, BendMode, synthio_bend_mode);
 
 
 STATIC const mp_rom_map_elem_t synthio_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_synthio) },
-    { MP_ROM_QSTR(MP_QSTR_BendType), MP_ROM_PTR(&synthio_bend_mode_type) },
+    { MP_ROM_QSTR(MP_QSTR_BendMode), MP_ROM_PTR(&synthio_bend_mode_type) },
     { MP_ROM_QSTR(MP_QSTR_MidiTrack), MP_ROM_PTR(&synthio_miditrack_type) },
     { MP_ROM_QSTR(MP_QSTR_Note), MP_ROM_PTR(&synthio_note_type) },
     { MP_ROM_QSTR(MP_QSTR_Synthesizer), MP_ROM_PTR(&synthio_synthesizer_type) },

tests/circuitpython-manual/synthio/note/code.py

@@ -116,7 +116,7 @@ def synthesize6(synth):
         tremolo_rate=1.5,
         bend_depth=-5 / 12,
         bend_rate=1 / 2,
-        bend_mode=synthio.BendType.SWEEP,
+        bend_mode=synthio.BendMode.SWEEP,
         waveform=sine,
         envelope=envelope,
     )

tests/circuitpython-manual/synthio/note/noise.py

@@ -37,7 +37,7 @@ def synthesize(synth):
             frequency=synthio.midi_to_hz(1 + i),
             waveform=noise,
             envelope=envelope,
-            bend_mode=synthio.BendType.SWEEP,
+            bend_mode=synthio.BendMode.SWEEP,
             bend_depth=random.choice((-1, 1)),
             bend_rate=randf(4, 12),
         )

tests/circuitpython/synthesizer_note.py.exp

@@ -1,10 +1,10 @@
 ()
 [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
-(Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendType.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None),)
+(Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendMode.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None),)
 [-16383, -16383, -16383, -16383, 16383, 16383, 16383, 16383, 16383, -16383, -16383, -16383, -16383, -16383, 16383, 16383, 16383, 16383, 16383, -16383, -16383, -16383, -16383, -16383]
-(Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendType.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None), Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendType.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None))
+(Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendMode.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None), Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendMode.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None))
 [0, 0, 0, 0, 0, 0, 0, 0, 28045, 0, 0, 0, 0, -28046, 0, 0, 0, 0, 28045, 0, 0, 0, 0, -28046]
-(Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendType.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None),)
+(Note(frequency=830.6076004423605, panning=0.0, tremolo_rate=0.0, tremolo_depth=0.0, bend_rate=0.0, bend_depth=0.0, bend_mode=synthio.BendMode.VIBRATO, waveform=None, envelope=None, ring_frequency=0.0, ring_waveform=None),)
 [0, 0, 0, 28045, 0, 0, 0, 0, 0, 0, 0, 0, 28045, 0, 0, 0, 0, -28046, 0, 0, 0, 0, 28045, 0]
 (-5242, 5242)
 (-10485, 10484)