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use bitflags::bitflags;
use eps_api::{EpsError, EpsResult};
use rust_i2c::Command;
bitflags! {
#[derive(Default)]
pub struct StatusCode: u8 {
const LAST_COMMAND_FAILED = 0b0000_0001;
const WATCHDOG_ERROR = 0b0000_0010;
const BAD_COMMAND_DATA = 0b0000_0100;
const BAD_COMMAND_CHANNEL = 0b0000_1000;
const ERROR_READING_EEPROM = 0b0001_0000;
const POWER_ON_RESET = 0b0010_0000;
const BROWN_OUT_RESET = 0b0100_0000;
}
}
impl StatusCode {
pub fn to_vec(self) -> Vec<String> {
format!("{:?}", self)
.to_owned()
.split(" | ")
.map(|x| x.to_string())
.collect()
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct BoardStatus {
pub motherboard: StatusCode,
pub daughterboard: Option<StatusCode>,
}
pub fn parse(data: &[u8]) -> EpsResult<BoardStatus> {
if data.len() == 2 {
Ok(BoardStatus {
motherboard: StatusCode::from_bits(data[0]).unwrap_or_default(),
daughterboard: None,
})
} else if data.len() == 4 {
Ok(BoardStatus {
motherboard: StatusCode::from_bits(data[2]).unwrap_or_default(),
daughterboard: Some(StatusCode::from_bits(data[0]).unwrap_or_default()),
})
} else {
Err(EpsError::parsing_failure("Board Status"))
}
}
pub fn command() -> (Command, usize) {
(
Command {
cmd: 0x01,
data: vec![0x00],
},
4,
)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_parse_both_no_flags() {
assert_eq!(
BoardStatus {
motherboard: StatusCode::default(),
daughterboard: Some(StatusCode::default()),
},
parse(&[0x0, 0x0, 0x0, 0x0]).unwrap()
)
}
#[test]
fn test_parse_both() {
assert_eq!(
BoardStatus {
motherboard: StatusCode::LAST_COMMAND_FAILED,
daughterboard: Some(StatusCode::WATCHDOG_ERROR),
},
parse(&[0x2, 0x0, 0x1, 0x0]).unwrap()
)
}
#[test]
fn test_parse_motherboard() {
assert_eq!(
BoardStatus {
motherboard: StatusCode::BAD_COMMAND_DATA,
daughterboard: None,
},
parse(&[0x4, 0x0]).unwrap()
)
}
}