infrared/protocol/rc5/
mod.rs

1//! Philips Rc5
2
3use core::convert::TryInto;
4
5pub mod decoder;
6use crate::{
7    cmd::{AddressCommand, Command},
8    protocol::Protocol,
9};
10
11pub mod encoder;
12
13#[cfg(test)]
14mod tests;
15
16const ADDR_MASK: u16 = 0b_0000_0111_1100_0000;
17const CMD_MASK: u16 = 0b_0000_0000_0011_1111;
18const START_MASK: u16 = 0b_0011_0000_0000_0000;
19const TOGGLE_MASK: u16 = 0b_0000_1000_0000_0000;
20
21const ADDR_SHIFT: u32 = 6;
22const START_SHIFT: u32 = 12;
23const TOGGLE_SHIFT: u32 = 11;
24
25/// Philips Rc5
26pub struct Rc5;
27
28impl Protocol for Rc5 {
29    type Cmd = Rc5Command;
30}
31
32#[derive(Debug, Eq, PartialEq, Copy, Clone)]
33#[cfg_attr(feature = "defmt", derive(defmt::Format))]
34pub struct Rc5Command {
35    pub addr: u8,
36    pub cmd: u8,
37    pub start: u8,
38    pub toggle: bool,
39}
40
41impl Rc5Command {
42    pub const fn new(addr: u8, cmd: u8, toggle: bool) -> Self {
43        Self {
44            addr,
45            cmd,
46            start: 0b11,
47            toggle,
48        }
49    }
50
51    pub const fn unpack(bits: u16) -> Self {
52        let addr = ((bits & ADDR_MASK) >> ADDR_SHIFT) as u8;
53        let cmd = (bits & CMD_MASK) as u8;
54        let start = ((bits & START_MASK) >> START_SHIFT) as u8;
55        let toggle = (bits & TOGGLE_MASK) != 0;
56
57        Self {
58            addr,
59            cmd,
60            start,
61            toggle,
62        }
63    }
64
65    pub fn pack(&self) -> u16 {
66        u16::from(self.addr) << ADDR_SHIFT
67            | u16::from(self.cmd)
68            | u16::from(self.toggle) << TOGGLE_SHIFT
69            | u16::from(self.start) << START_SHIFT
70    }
71}
72
73impl Command for Rc5Command {
74    fn is_repeat(&self) -> bool {
75        self.toggle
76    }
77}
78
79impl AddressCommand for Rc5Command {
80    fn address(&self) -> u32 {
81        self.addr.into()
82    }
83
84    fn command(&self) -> u32 {
85        self.cmd.into()
86    }
87
88    fn create(addr: u32, cmd: u32) -> Option<Rc5Command> {
89        let addr: u8 = addr.try_into().ok()?;
90        let cmd = cmd.try_into().ok()?;
91
92        Some(Rc5Command::new(addr, cmd, false))
93    }
94}
infrared/protocol/rc5/mod.rs

infrared/protocol/rc5/
mod.rs
