43 lines
1.3 KiB
Rust
43 lines
1.3 KiB
Rust
//! Error types for OBD-II related errors
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/// Result type defaulted with this library's error type
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pub type Result<T> = std::result::Result<T, Error>;
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/// An error with OBD-II communication
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#[derive(thiserror::Error, Debug)]
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pub enum Error {
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/// An error occurred in the [Odb2BaseDevice](crate::device::Obd2BaseDevice)
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#[error("Device error: `{0:?}`")]
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Device(DeviceError),
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/// Some part of the response (described by the `&str`) was not the expected length
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#[error("Incorrect length (`{0}`): expected `{1}`, got `{2}`")]
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IncorrectResponseLength(&'static str, usize, usize),
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/// Another error occurred
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#[error("Other OBD2 error: `{0}`")]
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Other(String),
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}
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/// An error with the ELM327 device
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#[derive(Debug)]
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pub struct DeviceError(crate::device::Error);
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impl From<super::device::Error> for Error {
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fn from(e: super::device::Error) -> Self {
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Error::Device(DeviceError(e))
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}
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}
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impl From<std::num::ParseIntError> for Error {
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fn from(e: std::num::ParseIntError) -> Self {
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Error::Other(format!("invalid data received: {:?}", e))
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}
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}
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impl From<std::string::FromUtf8Error> for Error {
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fn from(e: std::string::FromUtf8Error) -> Self {
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Error::Other(format!("invalid string received: {:?}", e))
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}
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}
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