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

rust/src/hal/esp.rs

@@ -6,7 +6,7 @@ use anyhow::{anyhow, bail, Context};
 use chrono::{DateTime, Utc};
 use serde::Serialize;
 
-use alloc::{vec::Vec, string::String};
+use alloc::{vec::Vec, string::{String, ToString}};
 
 #[link_section = ".rtc.data"]
 static mut LAST_WATERING_TIMESTAMP: [i64; PLANT_COUNT] = [0; PLANT_COUNT];

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 {

rust/src/hal/v3_hal.rs

@@ -10,14 +10,12 @@ use crate::{
 };
 use anyhow::{bail, Ok, Result};
 use embedded_hal::digital::OutputPin;
-use esp_idf_hal::{
-    gpio::{AnyInputPin, IOPin, InputOutput, PinDriver, Pull},
-    pcnt::{PcntChannel, PcntChannelConfig, PcntControlMode, PcntCountMode, PcntDriver, PinIndex},
-};
-use esp_idf_sys::{gpio_hold_dis, gpio_hold_en};
 use measurements::{Current, Voltage};
 use plant_ctrl2::sipo::ShiftRegister40;
-use std::result::Result::Ok as OkStd;
+use core::result::Result::Ok as OkStd;
+use alloc::string::ToString;
+use alloc::boxed::Box;
+use esp_hall::gpio::Pull;
 
 const PUMP8_BIT: usize = 0;
 const PUMP1_BIT: usize = 1;

rust/src/hal/v4_hal.rs

@@ -12,12 +12,6 @@ use crate::log::{log, LogMessage};
 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;
-use esp_idf_hal::pcnt::{
-    PcntChannel, PcntChannelConfig, PcntControlMode, PcntCountMode, PcntDriver, PinIndex,
-};
-use esp_idf_sys::{gpio_hold_dis, gpio_hold_en};
 use ina219::address::{Address, Pin};
 use ina219::calibration::UnCalibrated;
 use ina219::configuration::{Configuration, OperatingMode};
@@ -27,7 +21,9 @@ use pca9535::{GPIOBank, Pca9535Immediate, StandardExpanderInterface};
 use std::result::Result::Ok as OkStd;
 use embedded_can::Frame;
 use embedded_can::StandardId;
-use esp_idf_hal::can;
+use alloc::string::ToString;
+use alloc::boxed::Box;
+use esp_hal::gpio::Pull;
 
 pub enum Charger<'a> {
     SolarMpptV1 {

rust/src/hal/v4_sensor.rs

@@ -1,3 +1,4 @@
+use alloc::string::ToString;
 use embedded_hal_bus::i2c::MutexDevice;
 use esp_idf_hal::can::CanDriver;
 use esp_idf_hal::delay::Delay;