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use crate::command::{rx, xmit, Command, CommandResponse, CommandResponseStatus};
use crate::Error;
use scroll::{ctx, Pread, LE};
pub fn dmesg(d: &hidapi::HidDevice) -> Result<DmesgResponse, Error> {
xmit(Command::new(0x0010, 0, vec![]), d)?;
match rx(d) {
Ok(CommandResponse {
status: CommandResponseStatus::Success,
data,
..
}) => (data.as_slice()).pread_with(0, LE),
Ok(_) => Err(Error::CommandNotRecognized),
Err(e) => Err(e),
}
}
#[derive(Debug, PartialEq)]
pub struct DmesgResponse {
pub logs: String,
}
impl<'a> ctx::TryFromCtx<'a, scroll::Endian> for DmesgResponse {
type Error = Error;
fn try_from_ctx(this: &'a [u8], le: scroll::Endian) -> Result<(Self, usize), Self::Error> {
let mut bytes = vec![0; this.len()];
let mut offset = 0;
this.gread_inout_with(&mut offset, &mut bytes, le)?;
let logs = core::str::from_utf8(&bytes)?;
Ok((DmesgResponse { logs: logs.into() }, offset))
}
}