Refactor current_abs_max_tec_i to use uom

src/channels.rs

@@ -524,9 +524,9 @@ impl Channels {
         serde_json_core::to_vec(&summaries)
     }
 
-    pub fn current_abs_max_tec_i(&mut self) -> f64 {
+    pub fn current_abs_max_tec_i(&mut self) -> ElectricCurrent {
-        max_by(self.get_tec_i(0).abs().get::<ampere>(),
+        max_by(self.get_tec_i(0).abs(),
-               self.get_tec_i(1).abs().get::<ampere>(),
+               self.get_tec_i(1).abs(),
                |a, b| a.partial_cmp(b).unwrap_or(core::cmp::Ordering::Equal))
     }
 }

src/fan_ctrl.rs

@@ -4,7 +4,10 @@ use stm32f4xx_hal::{
     pwm::{self, PwmChannels},
     pac::TIM8,
 };
-
+use uom::si::{
+    f64::ElectricCurrent,
+    electric_current::ampere,
+};
 use crate::{
     hw_rev::HWSettings,
     command_handler::JsonBuffer,
@@ -50,8 +53,8 @@ impl FanCtrl {
         fan_ctrl
     }
 
-    pub fn cycle(&mut self, abs_max_tec_i: f32) {
+    pub fn cycle(&mut self, abs_max_tec_i: ElectricCurrent) {
-        self.abs_max_tec_i = abs_max_tec_i;
+        self.abs_max_tec_i = abs_max_tec_i.get::<ampere>() as f32;
         if self.fan_auto && self.hw_settings.fan_available {
             let scaled_current = self.abs_max_tec_i / MAX_TEC_I;
             // do not limit upper bound, as it will be limited in the set_pwm()

src/main.rs

@@ -185,7 +185,7 @@ fn main() -> ! {
                     server.for_each(|_, session| session.set_report_pending(channel.into()));
                 }
 
-                fan_ctrl.cycle(channels.current_abs_max_tec_i() as f32);
+                fan_ctrl.cycle(channels.current_abs_max_tec_i());
 
                 if channels.pid_engaged() {
                     leds.g3.on();