From 57c9797b3f32f521ea2dc22dd498fc73e336b7a5 Mon Sep 17 00:00:00 2001 From: Cooper Dalrymple Date: Tue, 12 Aug 2025 09:17:03 -0500 Subject: [PATCH] Add tempo property --- shared-bindings/synthio/MidiTrack.c | 22 ++++++++++++++++++++++ shared-bindings/synthio/MidiTrack.h | 3 +++ shared-module/synthio/MidiTrack.c | 9 +++++++++ 3 files changed, 34 insertions(+) diff --git a/shared-bindings/synthio/MidiTrack.c b/shared-bindings/synthio/MidiTrack.c index 9add8f1745c83..db75a543c613d 100644 --- a/shared-bindings/synthio/MidiTrack.c +++ b/shared-bindings/synthio/MidiTrack.c @@ -115,6 +115,27 @@ static void check_for_deinit(synthio_miditrack_obj_t *self) { //| """32 bit value that tells how quickly samples are played in Hertz (cycles per second).""" //| +//| tempo: int +//| """Tempo of the streamed events, in MIDI ticks per second.""" +//| +static mp_obj_t synthio_miditrack_obj_get_tempo(mp_obj_t self_in) { + synthio_miditrack_obj_t *self = MP_OBJ_TO_PTR(self_in); + check_for_deinit(self); + return mp_obj_new_int(common_hal_synthio_miditrack_get_tempo(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(synthio_miditrack_get_tempo_obj, synthio_miditrack_obj_get_tempo); + +static mp_obj_t synthio_miditrack_obj_set_tempo(mp_obj_t self_in, mp_obj_t arg) { + synthio_miditrack_obj_t *self = MP_OBJ_TO_PTR(self_in); + check_for_deinit(self); + common_hal_synthio_miditrack_set_tempo(self, mp_obj_get_int(arg)); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(synthio_miditrack_set_tempo_obj, synthio_miditrack_obj_set_tempo); +MP_PROPERTY_GETSET(synthio_miditrack_tempo_obj, + (mp_obj_t)&synthio_miditrack_get_tempo_obj, + (mp_obj_t)&synthio_miditrack_set_tempo_obj); + //| error_location: Optional[int] //| """Offset, in bytes within the midi data, of a decoding error""" //| @@ -141,6 +162,7 @@ static const mp_rom_map_elem_t synthio_miditrack_locals_dict_table[] = { // Properties { MP_ROM_QSTR(MP_QSTR_error_location), MP_ROM_PTR(&synthio_miditrack_error_location_obj) }, + { MP_ROM_QSTR(MP_QSTR_tempo), MP_ROM_PTR(&synthio_miditrack_tempo_obj) }, AUDIOSAMPLE_FIELDS, }; static MP_DEFINE_CONST_DICT(synthio_miditrack_locals_dict, synthio_miditrack_locals_dict_table); diff --git a/shared-bindings/synthio/MidiTrack.h b/shared-bindings/synthio/MidiTrack.h index 72b217e9613b1..cb154d3996b1a 100644 --- a/shared-bindings/synthio/MidiTrack.h +++ b/shared-bindings/synthio/MidiTrack.h @@ -15,3 +15,6 @@ void common_hal_synthio_miditrack_construct(synthio_miditrack_obj_t *self, const void common_hal_synthio_miditrack_deinit(synthio_miditrack_obj_t *self); mp_int_t common_hal_synthio_miditrack_get_error_location(synthio_miditrack_obj_t *self); + +mp_int_t common_hal_synthio_miditrack_get_tempo(synthio_miditrack_obj_t *self); +void common_hal_synthio_miditrack_set_tempo(synthio_miditrack_obj_t *self, mp_int_t value); diff --git a/shared-module/synthio/MidiTrack.c b/shared-module/synthio/MidiTrack.c index 94430289bda10..df8e5bdbea1b2 100644 --- a/shared-module/synthio/MidiTrack.c +++ b/shared-module/synthio/MidiTrack.c @@ -116,6 +116,15 @@ mp_int_t common_hal_synthio_miditrack_get_error_location(synthio_miditrack_obj_t return self->error_location; } +mp_int_t common_hal_synthio_miditrack_get_tempo(synthio_miditrack_obj_t *self) { + return self->tempo; +} + +void common_hal_synthio_miditrack_set_tempo(synthio_miditrack_obj_t *self, mp_int_t value) { + mp_int_t val = mp_arg_validate_int_min(value, 1, MP_QSTR_tempo); + self->tempo = val; +} + void synthio_miditrack_reset_buffer(synthio_miditrack_obj_t *self, bool single_channel_output, uint8_t channel) { synthio_synth_reset_buffer(&self->synth, single_channel_output, channel);