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update frequency measurement

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microDev 2020-11-16 12:55:55 +05:30
parent 2bec02738f
commit f2824f6a68
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GPG Key ID: 2C0867BE60967730
1 changed files with 2 additions and 5 deletions
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7
ports/esp32s2/common-hal/frequencyio/FrequencyIn.c
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@ -84,12 +84,9 @@ void common_hal_frequencyio_frequencyin_construct(frequencyio_frequencyin_obj_t*
.pulse_gpio_num = pin->number,
.ctrl_gpio_num = PCNT_PIN_NOT_USED,
.channel = PCNT_CHANNEL_0,
.lctrl_mode = PCNT_MODE_DISABLE,
.hctrl_mode = PCNT_MODE_KEEP,
// What to do on the positive / negative edge of pulse input?
.pos_mode = PCNT_COUNT_INC, // count both rising and falling edges
.neg_mode = PCNT_COUNT_INC,
.counter_h_lim = 0,
.counter_l_lim = 0,
};
// Initialize PCNT unit
@ -129,7 +126,7 @@ void common_hal_frequencyio_frequencyin_deinit(frequencyio_frequencyin_obj_t* se
}
uint32_t common_hal_frequencyio_frequencyin_get_item(frequencyio_frequencyin_obj_t* self) {
return (1000 / (self->capture_period / self->frequency));
return self->frequency;
}
void common_hal_frequencyio_frequencyin_pause(frequencyio_frequencyin_obj_t* self) {