obd2/src/error.rs
2023-05-31 21:31:01 -04:00

39 lines
1.1 KiB
Rust

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