wm8731_another_hal/registers/
digital_audio_interface.rs

1//! Digital Audio Interface Format.
2#![allow(clippy::new_without_default)]
3use crate::interface::Frame;
4
5/// Digital Audio Interface Format register.
6#[derive(Debug, Eq, PartialEq, Clone, Copy)]
7pub struct DigitalAudioInterface {
8    data: u8,
9}
10
11impl Default for DigitalAudioInterface {
12    fn default() -> Self {
13        Self::new()
14    }
15}
16
17impl DigitalAudioInterface {
18    pub fn new() -> Self {
19        Self { data: 0b1010 }
20    }
21    pub fn to_frame(&self) -> Frame {
22        Frame {
23            data: 0b111 << 9 | self.data as u16,
24        }
25    }
26}
27impl DigitalAudioInterface {
28    pub fn format(&self) -> FormatV {
29        let pos = 0;
30        match (self.data & (0b11 << pos)) >> pos {
31            0b11 => FormatV::Dsp,
32            0b10 => FormatV::I2s,
33            0b01 => FormatV::LeftJustified,
34            0b00 => FormatV::RigthJustified,
35            _ => unreachable!(),
36        }
37    }
38    pub fn iwl(&self) -> IwlV {
39        let pos = 2;
40        match (self.data & (0b11 << pos)) >> pos {
41            0b11 => IwlV::Iwl32Bits,
42            0b10 => IwlV::Iwl24Bits,
43            0b01 => IwlV::Iwl20Bits,
44            0b00 => IwlV::Iwl16Bits,
45            _ => unreachable!(),
46        }
47    }
48    pub fn lrp(&self) -> bool {
49        let pos = 4;
50        self.data & (1 << pos) == 1 << pos
51    }
52    pub fn lrswap(&self) -> bool {
53        let pos = 5;
54        self.data & (1 << pos) == 1 << pos
55    }
56    pub fn ms(&self) -> MsV {
57        let pos = 6;
58        match self.data & (1 << pos) == 1 << pos {
59            true => MsV::Master,
60            false => MsV::Slave,
61        }
62    }
63    pub fn bclkinv(&self) -> bool {
64        let pos = 7;
65        self.data & (1 << pos) == 1 << pos
66    }
67
68    pub fn set_format(&mut self, value: FormatV) -> &mut Self {
69        let pos = 0;
70        self.data = self.data & !(0b11 << pos) | (value as u8) << pos;
71        self
72    }
73    pub fn set_iwl(&mut self, value: IwlV) -> &mut Self {
74        let pos = 2;
75        self.data = self.data & !(0b11 << pos) | (value as u8) << pos;
76        self
77    }
78    pub fn set_lrp(&mut self, value: bool) -> &mut Self {
79        let pos = 4;
80        self.data = self.data & !(1 << pos) | (value as u8) << pos;
81        self
82    }
83    pub fn set_lrswap(&mut self, value: bool) -> &mut Self {
84        let pos = 5;
85        self.data = self.data & !(1 << pos) | (value as u8) << pos;
86        self
87    }
88    pub fn set_ms(&mut self, value: MsV) -> &mut Self {
89        let pos = 6;
90        self.data = self.data & !(1 << pos) | (value as u8) << pos;
91        self
92    }
93    pub fn set_bclkinv(&mut self, value: bool) -> &mut Self {
94        let pos = 7;
95        self.data = self.data & !(1 << pos) | (value as u8) << pos;
96        self
97    }
98}
99
100/// Audio data format selection.
101#[derive(Debug, Eq, PartialEq, Clone, Copy)]
102pub enum FormatV {
103    Dsp = 0b11,
104    I2s = 0b10,
105    LeftJustified = 0b01,
106    RigthJustified = 0b00,
107}
108
109/// Input audio data bit length selection.
110#[derive(Debug, Eq, PartialEq, Clone, Copy)]
111pub enum IwlV {
112    Iwl32Bits = 0b11,
113    Iwl24Bits = 0b10,
114    Iwl20Bits = 0b01,
115    Iwl16Bits = 0b00,
116}
117
118/// Master or slave mode selection.
119#[derive(Debug, Eq, PartialEq, Clone, Copy)]
120pub enum MsV {
121    Master = 0b1,
122    Slave = 0b0,
123}
wm8731_another_hal/registers/digital_audio_interface.rs

wm8731_another_hal/registers/
digital_audio_interface.rs
