cf_rh320u_93_reader 0.3.1

use crate::*;

/// Speed variants of the reader.
#[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord)]
#[repr(u8)]
pub enum Speed {
    S9600 = 0x00,
    S19200 = 0x01,
    S38400 = 0x02,
    S57600 = 0x03,
    S115200 = 0x04
}

impl CFRH320U93 {
    /// Sets the connection speed of the reader. It's unknown if it actually
    /// changes USB speed or is it meant to be used for serial connections only.
    pub fn set_speed(&self, speed: Speed) ->  Result<(), ReaderError> {
        let mut buffer = Buffer::new();
        buffer.write(0x02);
        buffer.write(0x81);
        buffer.write(speed as u8);

        self.set_report(buffer.get())?;

        Ok(())
    }
}