pub unsafe extern "C" fn rmt_get_rx_idle_thresh(
    channel: u32,
    thresh: *mut u16,
) -> i32Expand description
@brief Get RMT idle threshold value.
   In receive mode, when no edge is detected on the input signal
   for longer than idle_thres channel clock cycles,
   the receive process is finished.@param channel RMT channel @param thresh pointer to accept RMT RX idle threshold value
@return - ESP_ERR_INVALID_ARG Parameter error - ESP_OK Success