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

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;