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

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

@@ -1,4 +1,5 @@
 use lib_bms_protocol::BmsReadable;
+use esp_hal::uart::{Config as UartConfig};
 pub(crate) mod battery;
 // mod can_api; // replaced by external canapi crate
 pub mod esp;
@@ -49,6 +50,7 @@ use crate::{
 };
 use alloc::boxed::Box;
 use alloc::format;
+use alloc::string::String;
 use alloc::sync::Arc;
 use async_trait::async_trait;
 use bincode::{Decode, Encode};
@@ -94,6 +96,7 @@ use esp_hal::system::reset_reason;
 use esp_hal::time::Rate;
 use esp_hal::timer::timg::TimerGroup;
 use esp_hal::Blocking;
+use esp_hal::uart::Uart;
 use esp_radio::{init, Controller};
 use esp_storage::FlashStorage;
 use littlefs2::fs::{Allocation, Filesystem as lfs2Filesystem};
@@ -272,10 +275,6 @@ impl PlantHal {
         let pcnt_module = Pcnt::new(peripherals.PCNT);
 
         let free_pins = FreePeripherals {
-            //     can: peripherals.can,
-            //     adc1: peripherals.adc1,
-            //     pcnt0: peripherals.pcnt0,
-            //     pcnt1: peripherals.pcnt1,
             gpio0: peripherals.GPIO0,
             gpio2: peripherals.GPIO2,
             gpio3: peripherals.GPIO3,
@@ -397,6 +396,11 @@ impl PlantHal {
             lfs2Filesystem::mount(alloc, lfs2filesystem).expect("Could not mount lfs2 filesystem"),
         ));
 
+        let uart0 = Uart::new(peripherals.UART0, UartConfig::default())
+            .map_err(|_| FatError::String {
+                error: "Uart creation failed".to_string(),
+            })?;
+
         let ap = interfaces.ap;
         let sta = interfaces.sta;
         let mut esp = Esp {
@@ -412,6 +416,7 @@ impl PlantHal {
             current: running,
             slot0_state: state_0,
             slot1_state: state_1,
+            uart0
         };
 
         //init,reset rtc memory depending on cause