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thermostat
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fix tec_i calculation

softspi
Astro 2020-05-18 21:23:07 +02:00
parent 0bc0af7487
commit 28a71d34d7
2 changed files with 23 additions and 2 deletions
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2
src/main.rs
View File

@ -147,7 +147,7 @@ fn main() -> ! {
let dac_i = dac_feedback / Ohms(5.0);
let itec = channels.read_itec(channel);
let tec_i = Amps((itec.0 - 1.5) / 8.0);
let tec_i = (itec - Volts(1.5)) / Ohms(0.4);
let state = channels.channel_state(channel);
let _ = writeln!(

23
src/units.rs
View File

@ -1,10 +1,29 @@
use core::{
fmt,
ops::Div,
ops::{Add, Div, Sub},
};
macro_rules! impl_add_sub {
($Type: ident) => {
impl Add<$Type> for $Type {
type Output = $Type;
fn add(self, rhs: $Type) -> $Type {
$Type(self.0 + rhs.0)
}
}
impl Sub<$Type> for $Type {
type Output = $Type;
fn sub(self, rhs: $Type) -> $Type {
$Type(self.0 - rhs.0)
}
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
pub struct Volts(pub f64);
impl_add_sub!(Volts);
impl fmt::Display for Volts {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@ -21,6 +40,7 @@ impl Div<Ohms> for Volts {
#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
pub struct Amps(pub f64);
impl_add_sub!(Amps);
impl fmt::Display for Amps {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@ -29,6 +49,7 @@ impl fmt::Display for Amps {
}
#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
pub struct Ohms(pub f64);
impl_add_sub!(Ohms);
impl fmt::Display for Ohms {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {