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

#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! Analog-to-digital converter
//!
//! Used by: stm32f401, stm32f410, stm32f411, stm32f412, stm32f413

#[cfg(not(feature = "nosync"))]
pub use stm32f4::peripherals::adc1::Instance;
pub use stm32f4::peripherals::adc1::{RegisterBlock, ResetValues};
pub use stm32f4::peripherals::adc1::{
    CR1, CR2, DR, HTR, JDR1, JDR2, JDR3, JDR4, JOFR1, JOFR2, JOFR3, JOFR4, JSQR, LTR, SMPR1, SMPR2,
    SQR1, SQR2, SQR3, SR,
};

/// Access functions for the ADC1 peripheral instance
pub mod ADC1 {
    #[cfg(not(feature = "nosync"))]
    use external_cortex_m;

    use super::ResetValues;

    #[cfg(not(feature = "nosync"))]
    use super::Instance;

    #[cfg(not(feature = "nosync"))]
    const INSTANCE: Instance = Instance {
        addr: 0x40012000,
        _marker: ::core::marker::PhantomData,
    };

    /// Reset values for each field in ADC1
    pub const reset: ResetValues = ResetValues {
        SR: 0x00000000,
        CR1: 0x00000000,
        CR2: 0x00000000,
        SMPR1: 0x00000000,
        SMPR2: 0x00000000,
        JOFR1: 0x00000000,
        JOFR2: 0x00000000,
        JOFR3: 0x00000000,
        JOFR4: 0x00000000,
        HTR: 0x00000FFF,
        LTR: 0x00000000,
        SQR1: 0x00000000,
        SQR2: 0x00000000,
        SQR3: 0x00000000,
        JSQR: 0x00000000,
        JDR1: 0x00000000,
        JDR2: 0x00000000,
        JDR3: 0x00000000,
        JDR4: 0x00000000,
        DR: 0x00000000,
    };

    #[cfg(not(feature = "nosync"))]
    #[allow(renamed_and_removed_lints)]
    #[allow(private_no_mangle_statics)]
    #[no_mangle]
    static mut ADC1_TAKEN: bool = false;

    /// Safe access to ADC1
    ///
    /// This function returns `Some(Instance)` if this instance is not
    /// currently taken, and `None` if it is. This ensures that if you
    /// do get `Some(Instance)`, you are ensured unique access to
    /// the peripheral and there cannot be data races (unless other
    /// code uses `unsafe`, of course). You can then pass the
    /// `Instance` around to other functions as required. When you're
    /// done with it, you can call `release(instance)` to return it.
    ///
    /// `Instance` itself dereferences to a `RegisterBlock`, which
    /// provides access to the peripheral's registers.
    #[cfg(not(feature = "nosync"))]
    #[inline]
    pub fn take() -> Option<Instance> {
        external_cortex_m::interrupt::free(|_| unsafe {
            if ADC1_TAKEN {
                None
            } else {
                ADC1_TAKEN = true;
                Some(INSTANCE)
            }
        })
    }

    /// Release exclusive access to ADC1
    ///
    /// This function allows you to return an `Instance` so that it
    /// is available to `take()` again. This function will panic if
    /// you return a different `Instance` or if this instance is not
    /// already taken.
    #[cfg(not(feature = "nosync"))]
    #[inline]
    pub fn release(inst: Instance) {
        external_cortex_m::interrupt::free(|_| unsafe {
            if ADC1_TAKEN && inst.addr == INSTANCE.addr {
                ADC1_TAKEN = false;
            } else {
                panic!("Released a peripheral which was not taken");
            }
        });
    }
}

/// Raw pointer to ADC1
///
/// Dereferencing this is unsafe because you are not ensured unique
/// access to the peripheral, so you may encounter data races with
/// other users of this peripheral. It is up to you to ensure you
/// will not cause data races.
///
/// This constant is provided for ease of use in unsafe code: you can
/// simply call for example `write_reg!(gpio, GPIOA, ODR, 1);`.
pub const ADC1: *const RegisterBlock = 0x40012000 as *const _;