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Make PWMAudioOut object ll, have finaliser

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.. for reasons stated in the comment
This commit is contained in:
Jeff Epler 2023-03-27 10:52:23 -05:00
parent b1d9331367
commit d6a067b0e5
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GPG Key ID: D5BF15AB975AB4DE
1 changed files with 7 additions and 1 deletions
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8
shared-bindings/audiopwmio/PWMAudioOut.c
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@ -114,7 +114,12 @@ STATIC mp_obj_t audiopwmio_pwmaudioout_make_new(const mp_obj_type_t *type, size_
validate_obj_is_free_pin_or_none(args[ARG_right_channel].u_obj, MP_QSTR_right_channel);
// create AudioOut object from the given pin
audiopwmio_pwmaudioout_obj_t *self = m_new_obj(audiopwmio_pwmaudioout_obj_t);
// The object is made long-lived because many implementations keep
// a pointer to the object (e.g., for the interrupt handler), which
// will not work properly if the object is moved. It is created
// with a finaliser as some ports use these (rather than 'reset' functions)
// to ensure resources are collected at interpreter shutdown.
audiopwmio_pwmaudioout_obj_t *self = m_new_ll_obj_with_finaliser(audiopwmio_pwmaudioout_obj_t);
self->base.type = &audiopwmio_pwmaudioout_type;
common_hal_audiopwmio_pwmaudioout_construct(self, left_channel_pin, right_channel_pin, args[ARG_quiescent_value].u_int);
@ -249,6 +254,7 @@ MP_PROPERTY_GETTER(audiopwmio_pwmaudioout_paused_obj,
STATIC const mp_rom_map_elem_t audiopwmio_pwmaudioout_locals_dict_table[] = {
// Methods
{ MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&audiopwmio_pwmaudioout_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&audiopwmio_pwmaudioout_deinit_obj) },
{ MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
{ MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&audiopwmio_pwmaudioout___exit___obj) },
{ MP_ROM_QSTR(MP_QSTR_play), MP_ROM_PTR(&audiopwmio_pwmaudioout_play_obj) },