reduce amount of warnings

rust/src/hal/mod.rs

@@ -113,7 +113,7 @@ pub trait BoardInteraction<'a> {
 
 impl dyn BoardInteraction<'_> {
     //the counter is just some arbitrary number that increases whenever some progress was made, try to keep the updates < 10 per second for ux reasons
-    fn progress(&mut self, counter: u32) {
+    fn _progress(&mut self, counter: u32) {
         let even = counter % 2 == 0;
         let current = counter / (PLANT_COUNT as u32);
         for led in 0..PLANT_COUNT {

rust/src/hal/v3_hal.rs

@@ -210,7 +210,7 @@ impl<'a> BoardInteraction<'a> for V3<'a> {
         &self.config
     }
 
-    fn get_battery_monitor(&mut self) -> &mut Box<(dyn BatteryInteraction + Send + 'static)> {
+    fn get_battery_monitor(&mut self) -> &mut Box<dyn BatteryInteraction + Send + 'static> {
         &mut self.battery_monitor
     }
 

rust/src/hal/v4_hal.rs

@@ -13,7 +13,7 @@ use anyhow::bail;
 use embedded_hal::digital::OutputPin;
 use embedded_hal_bus::i2c::MutexDevice;
 use esp_idf_hal::gpio::{AnyInputPin, IOPin, InputOutput, Output, PinDriver, Pull};
-use esp_idf_hal::i2c::{I2cDriver, I2cError};
+use esp_idf_hal::i2c::I2cDriver;
 use esp_idf_hal::pcnt::{
     PcntChannel, PcntChannelConfig, PcntControlMode, PcntCountMode, PcntDriver, PinIndex,
 };
@@ -23,12 +23,10 @@ use ina219::calibration::UnCalibrated;
 use ina219::configuration::{Configuration, OperatingMode};
 use ina219::SyncIna219;
 use measurements::{Current, Resistance, Voltage};
-use pca9535::{ExpanderError, GPIOBank, Pca9535Immediate, StandardExpanderInterface};
+use pca9535::{GPIOBank, Pca9535Immediate, StandardExpanderInterface};
 use std::result::Result::Ok as OkStd;
-use embedded_can::nb::Can;
 use embedded_can::Frame;
 use embedded_can::StandardId;
-use esp_idf_hal::prelude::*;
 use esp_idf_hal::can;
 
 pub enum Charger<'a> {
@@ -205,7 +203,7 @@ pub(crate) fn create_v4(
             println!("Can bus mode ");
             let timing = can::config::Timing::B25K;
             let config = can::config::Config::new().timing(timing);
-            let mut can = can::CanDriver::new(peripherals.can, peripherals.gpio0, peripherals.gpio2, &config).unwrap();
+            let can = can::CanDriver::new(peripherals.can, peripherals.gpio0, peripherals.gpio2, &config).unwrap();
 
 
             let frame = StandardId::new(0x042).unwrap();