Function esp_idf_sys::touch_pad_set_filter_read_cb

pub unsafe extern "C" fn touch_pad_set_filter_read_cb(
    read_cb: filter_cb_t
) -> esp_err_t

@brief Register the callback function that is called after each IIR filter calculation. @note The 'read_cb' callback is called in timer task in each filtering cycle. @param read_cb Pointer to filtered callback function. If the argument passed in is NULL, the callback will stop. @return - ESP_OK Success - ESP_ERR_INVALID_ARG set error