thermostat/src/config.rs

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use serde::{Serialize, Deserialize};
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use postcard::{from_bytes, to_slice};
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use crate::{
channel_state::ChannelState,
channels::{CHANNELS, Channels},
command_parser::CenterPoint,
pid,
steinhart_hart,
};
/// Just for encoding/decoding, actual state resides in ChannelState
#[derive(Serialize, Deserialize)]
pub struct Config {
channels: [ChannelConfig; CHANNELS],
}
impl Config {
pub fn new(channels: &mut Channels) -> Self {
Config {
channels: [
ChannelConfig::new(channels.channel_state(0usize)),
ChannelConfig::new(channels.channel_state(1usize)),
],
}
}
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pub fn encode<'a>(&self, buffer: &'a mut [u8]) -> Result<&'a mut [u8], postcard::Error> {
to_slice(self, buffer)
}
pub fn decode(buffer: &[u8]) -> Result<Self, postcard::Error> {
from_bytes(buffer)
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}
}
#[derive(Serialize, Deserialize)]
pub struct ChannelConfig {
center: CenterPoint,
pid: pid::Parameters,
pid_target: f64,
sh: steinhart_hart::Parameters,
// TODO: pwm limits
}
impl ChannelConfig {
pub fn new(state: &ChannelState) -> Self {
ChannelConfig {
center: state.center.clone(),
pid: state.pid.parameters.clone(),
pid_target: state.pid.target,
sh: state.sh.clone(),
}
}
}