stm32f1xx_hal/i2c/
common.rs

1#[derive(Clone, Copy, Debug, Eq, PartialEq)]
2pub enum Address {
3    Seven(u8),
4    Ten(u16),
5}
6
7impl From<u8> for Address {
8    fn from(value: u8) -> Self {
9        Self::Seven(value)
10    }
11}
12
13impl From<u16> for Address {
14    fn from(value: u16) -> Self {
15        Self::Ten(value)
16    }
17}
18
19pub use embedded_hal::i2c::NoAcknowledgeSource;
20
21#[derive(Debug, Eq, PartialEq, Copy, Clone)]
22#[non_exhaustive]
23pub enum Error {
24    /// Overrun/underrun
25    Overrun,
26    /// No ack received
27    NoAcknowledge(NoAcknowledgeSource),
28    Timeout,
29    /// Bus error
30    //  Note: The Bus error type is not currently returned, but is maintained for compatibility.
31    Bus,
32    Crc,
33    /// Arbitration loss
34    ArbitrationLoss,
35    // Pec, // SMBUS mode only
36    // Alert, // SMBUS mode only
37}
38
39impl Error {
40    pub(crate) fn nack_addr(self) -> Self {
41        match self {
42            Error::NoAcknowledge(NoAcknowledgeSource::Unknown) => {
43                Error::NoAcknowledge(NoAcknowledgeSource::Address)
44            }
45            e => e,
46        }
47    }
48    pub(crate) fn nack_data(self) -> Self {
49        match self {
50            Error::NoAcknowledge(NoAcknowledgeSource::Unknown) => {
51                Error::NoAcknowledge(NoAcknowledgeSource::Data)
52            }
53            e => e,
54        }
55    }
56}
57
58use embedded_hal::i2c::ErrorKind;
59impl embedded_hal::i2c::Error for Error {
60    fn kind(&self) -> ErrorKind {
61        match *self {
62            Self::Overrun => ErrorKind::Overrun,
63            Self::Bus => ErrorKind::Bus,
64            Self::ArbitrationLoss => ErrorKind::ArbitrationLoss,
65            Self::NoAcknowledge(nack) => ErrorKind::NoAcknowledge(nack),
66            Self::Crc | Self::Timeout => ErrorKind::Other,
67        }
68    }
69}
70
71pub(crate) type Hal1Operation<'a> = embedded_hal::i2c::Operation<'a>;
72pub(crate) type Hal02Operation<'a> = embedded_hal_02::blocking::i2c::Operation<'a>;
stm32f1xx_hal/i2c/common.rs

stm32f1xx_hal/i2c/
common.rs
