cec_linux 0.2.2

A pure rust library to use the HDMI-CEC linux API
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55

/*!
 * Set Logic address and switch Devices from and to standby
 */

use std::{thread::sleep, time::Duration};

use cec_linux::*;

fn main() -> std::io::Result<()> {
    let cec = CecDevice::open("/dev/cec0")?;
    let capas = cec.get_capas()?;
    println!("capas  {:?}", capas);

    // clear existing logical addresses
    let log = CecLogAddrs::default();
    cec.set_log(log)?;

    // set new address (PLAYBACK)
    let log = CecLogAddrs::new(
        VendorID::NONE,
        Version::V1_4,
        "pi4".to_string().try_into().unwrap(),
        &[CecPrimDevType::PLAYBACK],
        &[CecLogAddrType::PLAYBACK],
    );
    cec.set_log(log)?;

    // ask Audiosystem to turn on (from standby)
    cec.turn_on(CecLogicalAddress::Playback2, CecLogicalAddress::Audiosystem)?;

    sleep(Duration::from_millis(10000));

    // ask Audiosystem to switch to standby
    cec.transmit(
        CecLogicalAddress::Playback2,
        CecLogicalAddress::Audiosystem,
        CecOpcode::Standby,
    )?;

    sleep(Duration::from_millis(10000));

    // ask TV to turn on
    cec.turn_on(CecLogicalAddress::Playback2, CecLogicalAddress::Tv)?;

    sleep(Duration::from_millis(10000));

    // ask TV to switch to standby
    cec.transmit(
        CecLogicalAddress::Playback2,
        CecLogicalAddress::Tv,
        CecOpcode::Standby,
    )?;

    Ok(())
}