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nrf/machine/adc: Allow to pass a Pin object in to ADC constructor.

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This commit is contained in:
Damien George 2019-09-05 19:19:44 +10:00
parent b766a6971e
commit c7fb93b844
1 changed files with 13 additions and 4 deletions
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17
ports/nrf/modules/machine/adc.c
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@ -91,10 +91,19 @@ void adc_init0(void) {
}
STATIC int adc_find(mp_obj_t id) {
// given an integer id
int adc_id = mp_obj_get_int(id);
int adc_idx = adc_id;
int adc_idx;
if (mp_obj_is_int(id)) {
// Given an integer id
adc_idx = mp_obj_get_int(id);
} else {
// Assume it's a pin-compatible object and convert it to an ADC channel number
mp_hal_pin_obj_t pin = mp_hal_get_pin_obj(id);
if (pin->adc_num & PIN_ADC1) {
adc_idx = pin->adc_channel;
} else {
mp_raise_ValueError("invalid Pin for ADC");
}
}
if (adc_idx >= 0 && adc_idx < MP_ARRAY_SIZE(machine_adc_obj)
&& machine_adc_obj[adc_idx].id != (uint8_t)-1) {