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audiobusio: Make PDMIn optional

This commit is contained in:
Jeff Epler 2020-10-28 13:27:48 -05:00
parent 537a4daabd
commit 2cd377f1a7
3 changed files with 14 additions and 0 deletions
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4
py/circuitpy_mpconfig.mk
View File

@ -55,6 +55,10 @@ CFLAGS += -DCIRCUITPY_AUDIOBUSIO=$(CIRCUITPY_AUDIOBUSIO)
CIRCUITPY_AUDIOBUSIO_I2SOUT ?= $(CIRCUITPY_AUDIOBUSIO)
CFLAGS += -DCIRCUITPY_AUDIOBUSIO_I2SOUT=$(CIRCUITPY_AUDIOBUSIO_I2SOUT)
# Likewise, some boards have I2SOut but do not implement PDMIn.
CIRCUITPY_AUDIOBUSIO_PDMIN ?= $(CIRCUITPY_AUDIOBUSIO)
CFLAGS += -DCIRCUITPY_AUDIOBUSIO_PDMIN=$(CIRCUITPY_AUDIOBUSIO_PDMIN)
CIRCUITPY_AUDIOIO ?= $(CIRCUITPY_FULL_BUILD)
CFLAGS += -DCIRCUITPY_AUDIOIO=$(CIRCUITPY_AUDIOIO)

8
shared-bindings/audiobusio/PDMIn.c
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@ -84,6 +84,9 @@
//| ...
//|
STATIC mp_obj_t audiobusio_pdmin_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
#if !CIRCUITPY_AUDIOBUSIO_PDMIN
mp_raise_NotImplementedError(translate("PDMIn not available"));
#else
enum { ARG_clock_pin, ARG_data_pin, ARG_sample_rate, ARG_bit_depth, ARG_mono, ARG_oversample, ARG_startup_delay };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_clock_pin, MP_ARG_REQUIRED | MP_ARG_OBJ },
@ -132,8 +135,10 @@ STATIC mp_obj_t audiobusio_pdmin_make_new(const mp_obj_type_t *type, size_t n_ar
mp_hal_delay_ms(startup_delay * 1000);
return MP_OBJ_FROM_PTR(self);
#endif
}
#if CIRCUITPY_AUDIOBUSIO_PDMIN
//| def deinit(self) -> None:
//| """Deinitialises the PDMIn and releases any hardware resources for reuse."""
//| ...
@ -237,10 +242,13 @@ STATIC const mp_rom_map_elem_t audiobusio_pdmin_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_sample_rate), MP_ROM_PTR(&audiobusio_pdmin_sample_rate_obj) }
};
STATIC MP_DEFINE_CONST_DICT(audiobusio_pdmin_locals_dict, audiobusio_pdmin_locals_dict_table);
#endif
const mp_obj_type_t audiobusio_pdmin_type = {
{ &mp_type_type },
.name = MP_QSTR_PDMIn,
.make_new = audiobusio_pdmin_make_new,
#if CIRCUITPY_AUDIOBUSIO_PDMIN
.locals_dict = (mp_obj_dict_t*)&audiobusio_pdmin_locals_dict,
#endif
};

2
shared-bindings/audiobusio/PDMIn.h
View File

@ -33,6 +33,7 @@
extern const mp_obj_type_t audiobusio_pdmin_type;
#if CIRCUITPY_AUDIOBUSIO_PDMIN
void common_hal_audiobusio_pdmin_construct(audiobusio_pdmin_obj_t* self,
const mcu_pin_obj_t* clock_pin, const mcu_pin_obj_t* data_pin,
uint32_t sample_rate, uint8_t bit_depth, bool mono, uint8_t oversample);
@ -43,5 +44,6 @@ uint32_t common_hal_audiobusio_pdmin_record_to_buffer(audiobusio_pdmin_obj_t* se
uint8_t common_hal_audiobusio_pdmin_get_bit_depth(audiobusio_pdmin_obj_t* self);
uint32_t common_hal_audiobusio_pdmin_get_sample_rate(audiobusio_pdmin_obj_t* self);
// TODO(tannewt): Add record to file
#endif
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOBUSIO_AUDIOOUT_H