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synthio: Add synthio.BendType

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This commit is contained in:
Jeff Epler 2023-05-10 07:31:25 -05:00
parent 91978522c5
commit c48d385e94
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GPG Key ID: D5BF15AB975AB4DE
2 changed files with 37 additions and 0 deletions
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32
shared-bindings/synthio/__init__.c
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@ -26,6 +26,7 @@
#include <string.h>
#include "py/enum.h"
#include "py/mperrno.h"
#include "py/obj.h"
#include "py/objnamedtuple.h"
@ -52,6 +53,7 @@ static const mp_arg_t envelope_properties[] = {
{ MP_QSTR_sustain_level, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = MP_OBJ_NULL } },
};
//|
//| """Support for multi-channel audio synthesis
//|
//| At least 2 simultaneous notes are supported. samd5x, mimxrt10xx and rp2040 platforms support up to 12 notes.
@ -284,9 +286,39 @@ STATIC mp_obj_t onevo_to_hz(mp_obj_t arg) {
}
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, TREMOLO, SYNTHIO_BEND_MODE_TREMOLO);
MAKE_ENUM_VALUE(synthio_bend_mode_type, bend_mode, SWEEP, SYNTHIO_BEND_MODE_SWEEP);
//|
//| class BendType:
//| """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."""
//|
//| TREMOLO: object
//| """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."""
//|
MAKE_ENUM_MAP(synthio_bend_mode) {
MAKE_ENUM_MAP_ENTRY(bend_mode, STATIC),
MAKE_ENUM_MAP_ENTRY(bend_mode, TREMOLO),
MAKE_ENUM_MAP_ENTRY(bend_mode, SWEEP),
};
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);
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_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) },

5
shared-bindings/synthio/__init__.h
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@ -28,6 +28,11 @@
#include "py/objnamedtuple.h"
typedef enum {
SYNTHIO_BEND_MODE_STATIC, SYNTHIO_BEND_MODE_TREMOLO, SYNTHIO_BEND_MODE_SWEEP
} synthio_bend_mode_t;
extern const mp_obj_type_t synthio_bend_mode_type;
typedef struct synthio_synth synthio_synth_t;
extern int16_t shared_bindings_synthio_square_wave[];
extern const mp_obj_namedtuple_type_t synthio_envelope_type_obj;