Method drain_output

crates/virtual-machine/src/devices/uart.rs:69–71

(&mut self)

        (self.ier & 0x01) != 0 && !self.rx_buf.is_empty()
    }

    pub fn drain_output(&mut self) -> Vec<u8> {
        std::mem::take(&mut self.tx_out)
    }

    /// Peek at a UART register without side effects.