Function esp_idf_sys::pcnt_unit_get_count

pub unsafe extern "C" fn pcnt_unit_get_count(
    unit: pcnt_unit_handle_t,
    value: *mut c_int,
) -> esp_err_t

@brief Get PCNT count value

@note This function is allowed to run within ISR context @note This function will be placed into IRAM if CONFIG_PCNT_CTRL_FUNC_IN_IRAM, so that it’s allowed to be executed when Cache is disabled

@param[in] unit PCNT unit handle created by pcnt_new_unit() @param[out] value Returned count value @return - ESP_OK: Get PCNT pulse count successfully - ESP_ERR_INVALID_ARG: Get PCNT pulse count failed because of invalid argument - ESP_FAIL: Get PCNT pulse count failed because of other error