Track overcurrent issues during pump operation

- Added `overcurrent_ma` field to pump results for capturing overcurrent data.
- Enhanced pumping logic to record and propagate overcurrent issues per plant.
- Updated `PumpState` and `PlantState` to handle overcurrent errors.

Software/MainBoard/rust/src/main.rs

@@ -134,6 +134,7 @@ pub struct PumpResult {
     flow_value_ml: f32,
     flow_value_count: i16,
     pump_time_s: u16,
+    overcurrent_ma: Option<u16>,
 }
 
 #[derive(Serialize, Debug, PartialEq)]
@@ -384,7 +385,7 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
 
     let moisture = board.board_hal.measure_moisture_hz().await?;
 
-    let plantstate: [PlantState; PLANT_COUNT] = [
+    let mut plantstate: [PlantState; PLANT_COUNT] = [
         PlantState::interpret_raw_values(moisture, 0, &mut board).await,
         PlantState::interpret_raw_values(moisture, 1, &mut board).await,
         PlantState::interpret_raw_values(moisture, 2, &mut board).await,
@@ -408,6 +409,7 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
         && !water_frozen;
     if pump_required {
         log(LogMessage::EnableMain, dry_run as u32, 0, "", "");
+        let mut overcurrent_results: [Option<u16>; PLANT_COUNT] = [None; PLANT_COUNT];
         for (plant_id, (state, plant_config)) in plantstate
             .iter()
             .zip(&board.board_hal.get_config().plants.clone())
@@ -460,6 +462,7 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
                 let result = do_secure_pump(&mut board, plant_id, plant_config, dry_run).await;
                 match result {
                     Ok(state) => {
+                        overcurrent_results[plant_id] = state.overcurrent_ma;
                         pump_info(
                             &mut board,
                             plant_id,
@@ -497,6 +500,16 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
                     .store_consecutive_pump_count(plant_id, 0);
             }
         }
+        for (plant_id, overcurrent) in overcurrent_results.iter().enumerate() {
+            if let Some(current_ma) = *overcurrent {
+                plantstate[plant_id].pump.overcurrent_error = Some(current_ma);
+            }
+        }
+        publish_plant_states(&mut board, &timezone_time.clone(), &plantstate)
+            .await
+            .unwrap_or_else(|e| {
+                error!("Error publishing plant states after pumping {e}");
+            });
     } else {
         // Pump corrosion protection: pulses each pump once a week for 2s around midday.
         let last_check_day = board
@@ -713,6 +726,7 @@ pub async fn do_secure_pump(
     let mut error = String::new();
     let mut first_error = true;
     let mut pump_time_ms: u32 = 0;
+    let mut overcurrent_ma: Option<u16> = None;
 
     if !dry_run {
         // Run fertilizer pump first if configured and not in cooldown
@@ -790,6 +804,7 @@ pub async fn do_secure_pump(
                             plant_config.max_pump_current_ma.to_string().as_str(),
                             step.to_string().as_str(),
                         );
+                        overcurrent_ma = Some(current_ma);
                         error = err_msg;
                     } else if high_current && first_error {
                         let err_msg = format!("OverCurrent: {}mA", current_ma);
@@ -800,6 +815,7 @@ pub async fn do_secure_pump(
                             plant_config.max_pump_current_ma.to_string().as_str(),
                             step.to_string().as_str(),
                         );
+                        overcurrent_ma = Some(current_ma);
                         board.board_hal.general_fault(true).await;
                         board.board_hal.fault(plant_id, true).await?;
                         if !plant_config.ignore_current_error {
@@ -881,6 +897,7 @@ pub async fn do_secure_pump(
         flow_value_count: final_flow_value,
         pump_time_s: (pump_time_ms / 1000) as u16,
         error,
+        overcurrent_ma,
     })
 }