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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151

use core::fmt;

pub const I2C_SPEED_MODE_STD: u32 = 100_000;
pub const I2C_SPEED_MODE_FAST: u32 = 400_000;
pub const I2C_SPEED_MODE_FAST_PLUS: u32 = 1_000_000;
pub const I2C_SPEED_MODE_TURBO: u32 = 1_400_000;
pub const I2C_SPEED_MODE_HIGH: u32 = 3_400_000;
pub const I2C_SPEED_MODE_ULTRA_FAST: u32 = 5_000_000;

pub const I2C_OP_MODE_MASTER: u32 = 0;
pub const I2C_OP_MODE_SLAVE: u32 = 1;

/// I2C Frequency Modes
#[repr(u32)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub enum I2cSpeedMode {
    #[default]
    Standard = I2C_SPEED_MODE_STD,
    Fast = I2C_SPEED_MODE_FAST,
    FastPlus = I2C_SPEED_MODE_FAST_PLUS,
    Turbo = I2C_SPEED_MODE_TURBO,
    High = I2C_SPEED_MODE_HIGH,
    UltraFast = I2C_SPEED_MODE_ULTRA_FAST,
}

impl I2cSpeedMode {
    /// Creates a new [I2cSpeedMode].
    pub const fn new() -> Self {
        Self::Standard
    }

    /// Creates a new [I2cSpeedMode] from the provided parameter.
    pub const fn create(val: u32) -> Self {
        match val {
            I2C_SPEED_MODE_STD => Self::Standard,
            I2C_SPEED_MODE_FAST => Self::Fast,
            I2C_SPEED_MODE_FAST_PLUS => Self::FastPlus,
            I2C_SPEED_MODE_TURBO => Self::Turbo,
            I2C_SPEED_MODE_HIGH => Self::High,
            I2C_SPEED_MODE_ULTRA_FAST => Self::UltraFast,
            _ => Self::Standard,
        }
    }
}

impl From<I2cSpeedMode> for u32 {
    fn from(val: I2cSpeedMode) -> Self {
        val as u32
    }
}

impl From<&I2cSpeedMode> for u32 {
    fn from(val: &I2cSpeedMode) -> Self {
        (*val).into()
    }
}

impl From<u32> for I2cSpeedMode {
    fn from(val: u32) -> Self {
        Self::create(val)
    }
}

impl From<&I2cSpeedMode> for &'static str {
    fn from(val: &I2cSpeedMode) -> Self {
        match val {
            I2cSpeedMode::Standard => "standard",
            I2cSpeedMode::Fast => "fast",
            I2cSpeedMode::FastPlus => "fast plus",
            I2cSpeedMode::Turbo => "turbo",
            I2cSpeedMode::High => "high",
            I2cSpeedMode::UltraFast => "ultra fast",
        }
    }
}

impl From<I2cSpeedMode> for &'static str {
    fn from(val: I2cSpeedMode) -> Self {
        (&val).into()
    }
}

impl fmt::Display for I2cSpeedMode {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, r#""{}""#, <&str>::from(self))
    }
}

/// I2C Operation Mode
#[repr(u32)]
#[derive(Clone, Copy, Debug, Default, PartialEq)]
pub enum I2cOpMode {
    #[default]
    Master = I2C_OP_MODE_MASTER,
    Slave = I2C_OP_MODE_SLAVE,
}

impl I2cOpMode {
    /// Creates a new [I2cOpMode].
    pub const fn new() -> Self {
        Self::Master
    }

    /// Creates a new [I2cOpMode] from the provided parameter.
    pub const fn create(val: u32) -> Self {
        match val {
            I2C_OP_MODE_MASTER => Self::Master,
            I2C_OP_MODE_SLAVE => Self::Slave,
            _ => Self::Master,
        }
    }
}

impl From<I2cOpMode> for u32 {
    fn from(val: I2cOpMode) -> Self {
        val as u32
    }
}

impl From<&I2cOpMode> for u32 {
    fn from(val: &I2cOpMode) -> Self {
        (*val).into()
    }
}

impl From<u32> for I2cOpMode {
    fn from(val: u32) -> Self {
        Self::create(val)
    }
}

impl From<&I2cOpMode> for &'static str {
    fn from(val: &I2cOpMode) -> Self {
        match val {
            I2cOpMode::Master => "master",
            I2cOpMode::Slave => "slave",
        }
    }
}

impl From<I2cOpMode> for &'static str {
    fn from(val: I2cOpMode) -> Self {
        (&val).into()
    }
}

impl fmt::Display for I2cOpMode {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, r#""{}""#, <&str>::from(self))
    }
}