#include "counter.h"

uint8_t Counter::amountOfCounter = 0;

Counter::Counter(uint8_t pin)
    : pulsePin{pin}, unit{static_cast<pcnt_unit_t>(Counter::amountOfCounter)}
{
    if (Counter::amountOfCounter <= Counter::maxCounter)
    {
        Counter::amountOfCounter++;
    }

    pcnt_config_t config;
    config.unit = this->unit;
    config.channel = PCNT_CHANNEL_0;
    config.counter_h_lim = Counter::highLimit;
    config.counter_l_lim = Counter::lowLimit;
    config.ctrl_gpio_num = PCNT_PIN_NOT_USED;
    config.hctrl_mode = PCNT_CHANNEL_LEVEL_ACTION_KEEP;
    config.lctrl_mode = PCNT_CHANNEL_LEVEL_ACTION_KEEP;
    config.pulse_gpio_num = this->pulsePin;
    config.pos_mode = PCNT_CHANNEL_EDGE_ACTION_INCREASE;
    config.neg_mode = PCNT_CHANNEL_EDGE_ACTION_HOLD;
    pcnt_unit_config(&config);
}

void Counter::pause()
{
    pcnt_counter_pause(this->unit);
}

void Counter::resume()
{
    pcnt_counter_resume(this->unit);
}

void Counter::clear()
{
    pcnt_counter_clear(this->unit);
}

int16_t Counter::getValue() const
{
    int16_t res = 0;
    pcnt_get_counter_value(this->unit, &res);
    return res;
}

void Counter::setFilterValue(uint16_t value)
{
    pcnt_set_filter_value(this->unit, value);
    this->filterEnable();
}

void Counter::filterEnable()
{
    pcnt_filter_enable(this->unit);
}

void Counter::filterDisable()
{
    pcnt_filter_disable(this->unit);
}