add: implement UART-based serial configuration handling and improve error handling in charge indicator updates

Software/MainBoard/rust/src/hal/v4_hal.rs

@@ -11,7 +11,8 @@ use crate::hal::{
 };
 use crate::log::{LogMessage, LOG_ACCESS};
 use alloc::boxed::Box;
-use alloc::string::ToString;
+use alloc::string::{String, ToString};
+use alloc::vec;
 use async_trait::async_trait;
 use canapi::id::{classify, plant_id, MessageKind, IDENTIFY_CMD_OFFSET};
 use canapi::SensorSlot;
@@ -130,6 +131,7 @@ pub struct V4<'a> {
     >,
     twai_config: Option<TwaiConfiguration<'static, Blocking>>,
     can_power: Output<'static>,
+
     extra1: Output<'a>,
     extra2: Output<'a>,
 }
@@ -254,7 +256,7 @@ pub(crate) async fn create_v4(
         charger,
         extra1,
         extra2,
-        can_power,
+        can_power
     };
     Ok(Box::new(v))
 }