probalby found most of the import related stuff, now the real refactor begins

rust/src/hal/mod.rs

@@ -17,6 +17,7 @@ use crate::{
     },
     log::{log, LogMessage},
 };
+use alloc::boxed::Box;
 use anyhow::{Ok, Result};
 use battery::BQ34Z100G1;
 use bq34z100::Bq34z100g1Driver;
@@ -45,18 +46,16 @@ use esp_idf_sys::{
 };
 use esp_ota::mark_app_valid;
 use measurements::{Current, Voltage};
-use once_cell::sync::Lazy;
-use std::result::Result::Ok as OkStd;
-use std::sync::Mutex;
-use std::time::Duration;
+use embassy_sync::{Mutex, LazyLock};
 use esp_idf_hal::can::CAN;
+use crate::alloc::string::ToString;
 
 //Only support for 8 right now!
 pub const PLANT_COUNT: usize = 8;
 
 const TANK_MULTI_SAMPLE: usize = 11;
 
-pub static I2C_DRIVER: Lazy<Mutex<I2cDriver<'static>>> = Lazy::new(PlantHal::create_i2c);
+pub static I2C_DRIVER: LazyLock<Mutex<I2cDriver<'static>>> = LazyLock::new(PlantHal::create_i2c);
 
 fn deep_sleep(duration_in_ms: u64) -> ! {
     unsafe {