Function esp_idf_svc::sys::rmt_tx_wait_all_done

pub unsafe extern "C" fn rmt_tx_wait_all_done(
    tx_channel: *mut rmt_drv_channel_t,
    timeout_ms: i32,
) -> i32

@brief Wait for all pending TX transactions done

@note This function will block forever if the pending transaction can’t be finished within a limited time (e.g. an infinite loop transaction). See also rmt_disable() for how to terminate a working channel.

@param[in] tx_channel RMT TX channel that created by rmt_new_tx_channel() @param[in] timeout_ms Wait timeout, in ms. Specially, -1 means to wait forever. @return - ESP_OK: Flush transactions successfully - ESP_ERR_INVALID_ARG: Flush transactions failed because of invalid argument - ESP_ERR_TIMEOUT: Flush transactions failed because of timeout - ESP_FAIL: Flush transactions failed because of other error