infrared/protocol/nec/
apple.rs

1//! Nec protocol variant from Apple
2
3use crate::{
4    cmd::{AddressCommand, Command},
5    protocol::nec::{NecCommandVariant, NecPulseLen, NEC_STANDARD_TIMING},
6};
7
8#[derive(Debug, Copy, Clone, PartialEq)]
9#[cfg_attr(feature = "defmt", derive(defmt::Format))]
10pub struct AppleNecCommand {
11    pub command_page: u8,
12    pub command: u8,
13    pub device_id: u8,
14    pub repeat: bool,
15}
16
17impl NecCommandVariant for AppleNecCommand {
18    const PULSE_DISTANCE: &'static NecPulseLen = NEC_STANDARD_TIMING;
19
20    fn validate(bits: u32) -> bool {
21        let vendor = ((bits >> 5) & 0x7FF) as u16;
22        const APPLE_VENDOR_ID: u16 = 0x43f;
23
24        vendor == APPLE_VENDOR_ID &&
25            // Odd parity
26            (bits.count_ones() & 0x1) == 1
27    }
28
29    fn unpack(bits: u32, repeat: bool) -> Option<Self> {
30        if !Self::validate(bits) {
31            return None;
32        }
33        // 5 Bits
34        let command_page = (bits & 0x1F) as u8;
35        // 11 Bits
36        let _vendor = ((bits >> 5) & 0x7FF) as u16;
37
38        // 1 Bit
39        let _parity_bit = (bits >> 16) & 0x1;
40        // 7 Bits
41        let command = ((bits >> 17) & 0x7F) as u8;
42        // 8 Bits (Changable by pairing)
43        let device_id = ((bits >> 24) & 0xFF) as u8;
44
45        Some(AppleNecCommand {
46            command_page,
47            command,
48            device_id,
49            repeat,
50        })
51    }
52
53    fn pack(&self) -> u32 {
54        unimplemented!()
55    }
56}
57
58impl Command for AppleNecCommand {
59    fn is_repeat(&self) -> bool {
60        self.repeat
61    }
62}
63
64impl AddressCommand for AppleNecCommand {
65    fn address(&self) -> u32 {
66        0
67    }
68
69    fn command(&self) -> u32 {
70        u32::from(self.command_page << 7 | self.command)
71    }
72
73    fn create(_addr: u32, _cmd: u32) -> Option<Self> {
74        None
75    }
76}
infrared/protocol/nec/apple.rs

infrared/protocol/nec/
apple.rs
