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Implement microphone.sound_level_db() method. #221

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merged 2 commits into from
Sep 16, 2024
Merged

Implement microphone.sound_level_db() method. #221

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8dad9e6
codal_app/microbithal_microphone: Add hal_microphone_get_level_db().
dpgeorge Sep 9, 2024
e876dca
codal_port/microbit_microphone: Add microphone.sound_level_db() method.
dpgeorge Sep 9, 2024
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1 change: 1 addition & 0 deletions src/codal_app/microbithal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,7 @@ int microbit_hal_compass_get_heading(void);
void microbit_hal_microphone_init(void);
void microbit_hal_microphone_set_threshold(int kind, int value);
int microbit_hal_microphone_get_level(void);
float microbit_hal_microphone_get_level_db(void);

const uint8_t *microbit_hal_get_font_data(char c);

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7 changes: 7 additions & 0 deletions src/codal_app/microbithal_microphone.cpp
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Expand Up @@ -59,4 +59,11 @@ int microbit_hal_microphone_get_level(void) {
return value;
}

float microbit_hal_microphone_get_level_db(void) {
uBit.audio.levelSPL->setUnit(LEVEL_DETECTOR_SPL_DB);
float value = uBit.audio.levelSPL->getValue();
uBit.audio.levelSPL->setUnit(LEVEL_DETECTOR_SPL_8BIT);
return value;
}

}
8 changes: 8 additions & 0 deletions src/codal_port/microbit_microphone.c
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Expand Up @@ -109,6 +109,13 @@ static mp_obj_t microbit_microphone_sound_level(mp_obj_t self_in) {
}
static MP_DEFINE_CONST_FUN_OBJ_1(microbit_microphone_sound_level_obj, microbit_microphone_sound_level);

static mp_obj_t microbit_microphone_sound_level_db(mp_obj_t self_in) {
(void)self_in;
microphone_init();
return mp_obj_new_float_from_f(microbit_hal_microphone_get_level_db());
}
static MP_DEFINE_CONST_FUN_OBJ_1(microbit_microphone_sound_level_db_obj, microbit_microphone_sound_level_db);

static mp_obj_t microbit_microphone_current_event(mp_obj_t self_in) {
(void)self_in;
microphone_init();
Expand Down Expand Up @@ -154,6 +161,7 @@ static MP_DEFINE_CONST_FUN_OBJ_1(microbit_microphone_get_events_obj, microbit_mi
static const mp_rom_map_elem_t microbit_microphone_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_set_threshold), MP_ROM_PTR(&microbit_microphone_set_threshold_obj) },
{ MP_ROM_QSTR(MP_QSTR_sound_level), MP_ROM_PTR(&microbit_microphone_sound_level_obj) },
{ MP_ROM_QSTR(MP_QSTR_sound_level_db), MP_ROM_PTR(&microbit_microphone_sound_level_db_obj) },
{ MP_ROM_QSTR(MP_QSTR_current_event), MP_ROM_PTR(&microbit_microphone_current_event_obj) },
{ MP_ROM_QSTR(MP_QSTR_is_event), MP_ROM_PTR(&microbit_microphone_is_event_obj) },
{ MP_ROM_QSTR(MP_QSTR_was_event), MP_ROM_PTR(&microbit_microphone_was_event_obj) },
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