py32f0xx-hal 0.2.2

Peripheral access API for py32F0 series microcontrollers
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
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

use super::*;

pub type AnyPin<MODE> = ErasedPin<MODE>;

macro_rules! impl_pxx {
    ($(($port_id:literal :: $pin:ident)),*) => {
        /// Erased pin
        ///
        /// `MODE` is one of the pin modes (see [Modes](crate::gpio#modes) section).
        pub enum ErasedPin<MODE> {
            $(
                $pin(PartiallyErasedPin<$port_id, MODE>)
            ),*
        }

        impl<MODE> PinExt for ErasedPin<MODE> {
            type Mode = MODE;

            #[inline(always)]
            fn pin_id(&self) -> u8 {
                match self {
                    $(Self::$pin(pin) => pin.pin_id()),*
                }
            }

            #[inline(always)]
            fn port_id(&self) -> u8 {
                match self {
                    $(Self::$pin(pin) => pin.port_id()),*
                }
            }
        }

        impl<MODE> ErasedPin<Output<MODE>> {
            pub fn set_high(&mut self) {
                match self {
                    $(Self::$pin(pin) => pin.set_high()),*
                }
            }

            pub fn set_low(&mut self) {
                match self {
                    $(Self::$pin(pin) => pin.set_low()),*
                }
            }

            pub fn is_set_high(&self) -> bool {
                match self {
                    $(Self::$pin(pin) => pin.is_set_high()),*
                }
            }

            pub fn is_set_low(&self) -> bool {
                match self {
                    $(Self::$pin(pin) => pin.is_set_low()),*
                }
            }
        }

        impl<MODE> ErasedPin<Input<MODE>> {
            pub fn is_high(&self) -> bool {
                match self {
                    $(Self::$pin(pin) => pin.is_high()),*
                }
            }

            pub fn is_low(&self) -> bool {
                match self {
                    $(Self::$pin(pin) => pin.is_low()),*
                }
            }
        }

        impl ErasedPin<Output<OpenDrain>> {
            pub fn is_high(&self) -> bool {
                match self {
                    $(Self::$pin(pin) => pin.is_high()),*
                }
            }

            pub fn is_low(&self) -> bool {
                match self {
                    $(Self::$pin(pin) => pin.is_low()),*
                }
            }
        }
    }
}

impl<MODE> ErasedPin<Output<MODE>> {
    #[inline(always)]
    pub fn get_state(&self) -> PinState {
        if self.is_set_low() {
            PinState::Low
        } else {
            PinState::High
        }
    }

    #[inline(always)]
    pub fn set_state(&mut self, state: PinState) {
        match state {
            PinState::Low => self.set_low(),
            PinState::High => self.set_high(),
        }
    }

    #[inline(always)]
    pub fn toggle(&mut self) {
        if self.is_set_low() {
            self.set_high()
        } else {
            self.set_low()
        }
    }
}

#[cfg(any(feature = "py32f030", feature = "py32f003", feature = "py32f002a"))]
impl_pxx! {
    ('A'::PAx),
    ('B'::PBx),
    ('F'::PFx)
}

#[cfg(feature = "py32f002b")]
impl_pxx! {
    ('A'::PAx),
    ('B'::PBx),
    ('C'::PCx)
}