Merge pull request 'Refactor Battery State for more robustness against missing BatteryMonitor' (#17) from fix/deep-sleep-timeout-robustness into develop

Reviewed-on: #17

rust/src/config.rs

@@ -1,7 +1,7 @@
-use serde::{Deserialize, Serialize};
-use std::str::FromStr;
 use crate::hal::PLANT_COUNT;
 use crate::plant_state::PlantWateringMode;
+use serde::{Deserialize, Serialize};
+use std::str::FromStr;
 
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 #[serde(default)]
@@ -11,7 +11,7 @@ pub struct NetworkConfig {
     pub password: Option<heapless::String<64>>,
     pub mqtt_url: Option<heapless::String<128>>,
     pub base_topic: Option<heapless::String<64>>,
-    pub max_wait: u32
+    pub max_wait: u32,
 }
 impl Default for NetworkConfig {
     fn default() -> Self {
@@ -21,7 +21,7 @@ impl Default for NetworkConfig {
             password: None,
             mqtt_url: None,
             base_topic: None,
-            max_wait: 10000
+            max_wait: 10000,
         }
     }
 }
@@ -73,18 +73,18 @@ impl Default for TankConfig {
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Default)]
-pub enum BatteryBoardVersion{
+pub enum BatteryBoardVersion {
     #[default]
     Disabled,
     BQ34Z100G1,
-    WchI2cSlave
+    WchI2cSlave,
 }
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Default)]
-pub enum BoardVersion{
+pub enum BoardVersion {
     #[default]
     INITIAL,
     V3,
-    V4
+    V4,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq, Default)]

rust/src/hal/battery.rs

@@ -1,217 +1,157 @@
-use anyhow::bail;
+use crate::to_string;
+use anyhow::anyhow;
 use bq34z100::{Bq34Z100Error, Bq34z100g1, Bq34z100g1Driver};
 use embedded_hal_bus::i2c::MutexDevice;
 use esp_idf_hal::delay::Delay;
 use esp_idf_hal::i2c::{I2cDriver, I2cError};
 use measurements::Temperature;
 use serde::Serialize;
-use std::result::Result::Ok as OkStd;
-use crate::to_string;
 
 pub trait BatteryInteraction {
-    fn state_charge_percent(&mut self) -> anyhow::Result<u8>;
+    fn state_charge_percent(&mut self) -> Result<f32, BatteryError>;
-    fn remaining_milli_ampere_hour(&mut self) -> anyhow::Result<u16>;
+    fn remaining_milli_ampere_hour(&mut self) -> Result<u16, BatteryError>;
-    fn max_milli_ampere_hour(&mut self) -> anyhow::Result<u16>;
+    fn max_milli_ampere_hour(&mut self) -> Result<u16, BatteryError>;
-    fn design_milli_ampere_hour(&mut self) -> anyhow::Result<u16>;
+    fn design_milli_ampere_hour(&mut self) -> Result<u16, BatteryError>;
-    fn voltage_milli_volt(&mut self) -> anyhow::Result<u16>;
+    fn voltage_milli_volt(&mut self) -> Result<u16, BatteryError>;
-    fn average_current_milli_ampere(&mut self) -> anyhow::Result<i16>;
+    fn average_current_milli_ampere(&mut self) -> Result<i16, BatteryError>;
-    fn cycle_count(&mut self) -> anyhow::Result<u16>;
+    fn cycle_count(&mut self) -> Result<u16, BatteryError>;
-    fn state_health_percent(&mut self) -> anyhow::Result<u8>;
+    fn state_health_percent(&mut self) -> Result<u16, BatteryError>;
-    fn bat_temperature(&mut self) -> anyhow::Result<u16>;
+    fn bat_temperature(&mut self) -> Result<u16, BatteryError>;
-    fn get_battery_state(&mut self) -> String;
+    fn get_battery_state(&mut self) -> Result<BatteryState, BatteryError>;
 }
-#[derive(Serialize)]
+
-pub struct BatteryState {
+#[derive(Debug, Serialize)]
-    voltage_milli_volt: String,
+pub struct BatteryInfo {
-    current_milli_ampere: String,
+    pub voltage_milli_volt: u16,
-    cycle_count: String,
+    pub average_current_milli_ampere: i16,
-    design_milli_ampere: String,
+    pub cycle_count: u16,
-    remaining_milli_ampere: String,
+    pub design_milli_ampere_hour: u16,
-    state_of_charge: String,
+    pub remaining_milli_ampere_hour: u16,
-    state_of_health: String,
+    pub state_of_charge: f32,
-    temperature: String,
+    pub state_of_health: u16,
+    pub temperature: u16,
 }
-pub enum BatteryMonitor<'a> {
-    Disabled {
 
-    },
+#[derive(Debug, Serialize)]
-    BQ34Z100G1 {
+pub enum BatteryError {
-        battery_driver: Bq34z100g1Driver<MutexDevice<'a, I2cDriver<'a>>, Delay>
+    NoBatteryMonitor,
-    },
+    CommunicationError(String),
-    WchI2cSlave {
+}
 
+impl From<Bq34Z100Error<esp_idf_hal::i2c::I2cError>> for BatteryError {
+    fn from(err: Bq34Z100Error<esp_idf_hal::i2c::I2cError>) -> Self {
+        BatteryError::CommunicationError(
+            anyhow!("failed to communicate with battery monitor: {:?}", err).to_string(),
+        )
     }
 }
 
+#[derive(Debug, Serialize)]
+pub enum BatteryState {
+    Unknown,
+    Info(BatteryInfo),
+}
 
+/// If no battery monitor is installed this implementation will be used
+pub struct NoBatteryMonitor {}
 
-impl BatteryInteraction for BatteryMonitor<'_> {
+impl BatteryInteraction for NoBatteryMonitor {
-    fn state_charge_percent(&mut self) -> anyhow::Result<u8> {
+    fn state_charge_percent(&mut self) -> Result<f32, BatteryError> {
-        match self {
+        Err(BatteryError::NoBatteryMonitor)
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.state_of_charge() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading SoC {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            }
-            BatteryMonitor::Disabled {} => {
-                bail!("Battery monitor is disabled")
-            }
-        }
     }
 
-    fn remaining_milli_ampere_hour(&mut self) -> anyhow::Result<u16> {
+    fn remaining_milli_ampere_hour(&mut self) -> Result<u16, BatteryError> {
-        match self {
+        Err(BatteryError::NoBatteryMonitor)
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.remaining_capacity(){
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading remaining_milli_ampere_hour {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn max_milli_ampere_hour(&mut self) -> anyhow::Result<u16> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.full_charge_capacity() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading max_milli_ampere_hour {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn design_milli_ampere_hour(&mut self) -> anyhow::Result<u16> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.design_capacity() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading design_milli_ampere_hour {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn voltage_milli_volt(&mut self) -> anyhow::Result<u16> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.voltage() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading voltage_milli_volt {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn average_current_milli_ampere(&mut self) -> anyhow::Result<i16> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.average_current() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading average_current_milli_ampere {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn cycle_count(&mut self) -> anyhow::Result<u16> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.cycle_count() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading cycle_count {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn state_health_percent(&mut self) -> anyhow::Result<u8> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.state_of_health() {
-                    OkStd(r) => anyhow::Ok(r as u8),
-                    Err(err) => bail!("Error reading state_health_percent {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
-    }
-    fn bat_temperature(&mut self) -> anyhow::Result<u16> {
-        match self {
-            BatteryMonitor::BQ34Z100G1 { battery_driver} => {
-                match battery_driver.temperature() {
-                    OkStd(r) => anyhow::Ok(r),
-                    Err(err) => bail!("Error reading bat_temperature {:?}", err),
-                }
-            },
-            BatteryMonitor::WchI2cSlave { .. } => {
-                bail!("Not implemented")
-            },
-            &mut BatteryMonitor::Disabled {  } => {
-                bail!("Battery monitor is disabled")
-            }
-        }
     }
 
-    fn get_battery_state(&mut self) -> String {
+    fn max_milli_ampere_hour(&mut self) -> Result<u16, BatteryError> {
-        let bat = BatteryState {
+        Err(BatteryError::NoBatteryMonitor)
-            voltage_milli_volt: to_string(self.voltage_milli_volt()),
+    }
-            current_milli_ampere: to_string(self.average_current_milli_ampere()),
-            cycle_count: to_string(self.cycle_count()),
-            design_milli_ampere: to_string(self.design_milli_ampere_hour()),
-            remaining_milli_ampere: to_string(self.remaining_milli_ampere_hour()),
-            state_of_charge: to_string(self.state_charge_percent()),
-            state_of_health: to_string(self.state_health_percent()),
-            temperature: to_string(self.bat_temperature()),
-        };
 
-        match serde_json::to_string(&bat) {
+    fn design_milli_ampere_hour(&mut self) -> Result<u16, BatteryError> {
-            Ok(state) => {
+        Err(BatteryError::NoBatteryMonitor)
-                state
     }
-            Err(err) => {
+
-                format!("{:?}", err).to_owned()
+    fn voltage_milli_volt(&mut self) -> Result<u16, BatteryError> {
+        Err(BatteryError::NoBatteryMonitor)
     }
+
+    fn average_current_milli_ampere(&mut self) -> Result<i16, BatteryError> {
+        Err(BatteryError::NoBatteryMonitor)
     }
+
+    fn cycle_count(&mut self) -> Result<u16, BatteryError> {
+        Err(BatteryError::NoBatteryMonitor)
+    }
+
+    fn state_health_percent(&mut self) -> Result<u16, BatteryError> {
+        Err(BatteryError::NoBatteryMonitor)
+    }
+
+    fn bat_temperature(&mut self) -> Result<u16, BatteryError> {
+        Err(BatteryError::NoBatteryMonitor)
+    }
+
+    fn get_battery_state(&mut self) -> Result<BatteryState, BatteryError> {
+        Ok(BatteryState::Unknown)
+    }
+}
+
+//TODO implement this battery monitor kind once controller is complete
+pub struct WchI2cSlave {}
+
+pub struct BQ34Z100G1<'a> {
+    pub battery_driver: Bq34z100g1Driver<MutexDevice<'a, I2cDriver<'a>>, Delay>,
+}
+
+impl BatteryInteraction for BQ34Z100G1<'_> {
+    fn state_charge_percent(&mut self) -> Result<f32, BatteryError> {
+        Ok(self.battery_driver.state_of_charge().map(f32::from)?)
+    }
+
+    fn remaining_milli_ampere_hour(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.remaining_capacity()?)
+    }
+
+    fn max_milli_ampere_hour(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.full_charge_capacity()?)
+    }
+
+    fn design_milli_ampere_hour(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.design_capacity()?)
+    }
+
+    fn voltage_milli_volt(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.voltage()?)
+    }
+
+    fn average_current_milli_ampere(&mut self) -> Result<i16, BatteryError> {
+        Ok(self.battery_driver.average_current()?)
+    }
+
+    fn cycle_count(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.cycle_count()?)
+    }
+
+    fn state_health_percent(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.state_of_health()?)
+    }
+
+    fn bat_temperature(&mut self) -> Result<u16, BatteryError> {
+        Ok(self.battery_driver.temperature()?)
+    }
+
+    fn get_battery_state(&mut self) -> Result<BatteryState, BatteryError> {
+        Ok(BatteryState::Info(BatteryInfo {
+            voltage_milli_volt: self.voltage_milli_volt()?,
+            average_current_milli_ampere: self.average_current_milli_ampere()?,
+            cycle_count: self.cycle_count()?,
+            design_milli_ampere_hour: self.design_milli_ampere_hour()?,
+            remaining_milli_ampere_hour: self.remaining_milli_ampere_hour()?,
+            state_of_charge: self.state_charge_percent()?,
+            state_of_health: self.state_health_percent()?,
+            temperature: self.bat_temperature()?,
+        }))
     }
 }
 

rust/src/hal/esp.rs

@@ -6,10 +6,15 @@ use anyhow::{anyhow, bail, Context};
 use chrono::{DateTime, Utc};
 use embedded_svc::ipv4::IpInfo;
 use embedded_svc::mqtt::client::QoS::{AtLeastOnce, ExactlyOnce};
-use embedded_svc::wifi::{AccessPointConfiguration, AccessPointInfo, AuthMethod, ClientConfiguration, Configuration};
+use embedded_svc::wifi::{
+    AccessPointConfiguration, AccessPointInfo, AuthMethod, ClientConfiguration, Configuration,
+};
 use esp_idf_hal::delay::Delay;
 use esp_idf_hal::gpio::{Level, PinDriver};
 use esp_idf_svc::mqtt::client::{EspMqttClient, LwtConfiguration, MqttClientConfiguration};
+use esp_idf_svc::sntp;
+use esp_idf_svc::sntp::SyncStatus;
+use esp_idf_svc::systime::EspSystemTime;
 use esp_idf_svc::wifi::config::{ScanConfig, ScanType};
 use esp_idf_svc::wifi::EspWifi;
 use esp_idf_sys::{esp_spiffs_info, vTaskDelay};
@@ -23,10 +28,6 @@ use std::str::FromStr;
 use std::sync::atomic::AtomicBool;
 use std::sync::Arc;
 use std::time::Duration;
-use esp_idf_svc::sntp;
-use esp_idf_svc::sntp::SyncStatus;
-use esp_idf_svc::systime::EspSystemTime;
-
 
 #[link_section = ".rtc.data"]
 static mut LAST_WATERING_TIMESTAMP: [i64; PLANT_COUNT] = [0; PLANT_COUNT];
@@ -37,7 +38,6 @@ static mut LOW_VOLTAGE_DETECTED: bool = false;
 #[link_section = ".rtc.data"]
 static mut RESTART_TO_CONF: bool = false;
 
-
 #[derive(Serialize, Debug)]
 pub struct FileInfo {
     filename: String,
@@ -61,16 +61,15 @@ pub struct FileSystemSizeInfo {
 
 pub struct MqttClient<'a> {
     mqtt_client: EspMqttClient<'a>,
-    base_topic: heapless::String<64>
+    base_topic: heapless::String<64>,
 }
 pub struct ESP<'a> {
     pub(crate) mqtt_client: Option<MqttClient<'a>>,
     pub(crate) wifi_driver: EspWifi<'a>,
     pub(crate) boot_button: PinDriver<'a, esp_idf_hal::gpio::AnyIOPin, esp_idf_hal::gpio::Input>,
-    pub(crate) delay: Delay
+    pub(crate) delay: Delay,
 }
 
-
 impl ESP<'_> {
     const SPIFFS_PARTITION_NAME: &'static str = "storage";
     const CONFIG_FILE: &'static str = "/spiffs/config.cfg";
@@ -131,9 +130,7 @@ impl ESP<'_> {
     }
 
     pub(crate) fn low_voltage_in_cycle(&mut self) -> bool {
-        unsafe {
+        unsafe { LOW_VOLTAGE_DETECTED }
-            LOW_VOLTAGE_DETECTED
-        }
     }
     pub(crate) fn store_consecutive_pump_count(&mut self, plant: usize, count: u32) {
         unsafe {
@@ -153,13 +150,9 @@ impl ESP<'_> {
     }
 
     pub(crate) fn wifi_ap(&mut self) -> anyhow::Result<()> {
-        let ssid = match self.load_config(){
+        let ssid = match self.load_config() {
-            Ok(config) => {
+            Ok(config) => config.network.ap_ssid.clone(),
-                config.network.ap_ssid.clone()
+            Err(_) => heapless::String::from_str("PlantCtrl Emergency Mode").unwrap(),
-            }
-            Err(_) => {
-                heapless::String::from_str("PlantCtrl Emergency Mode").unwrap()
-            }
         };
 
         let apconfig = AccessPointConfiguration {
@@ -168,17 +161,17 @@ impl ESP<'_> {
             ssid_hidden: false,
             ..Default::default()
         };
-        self.wifi_driver.set_configuration(&Configuration::AccessPoint(apconfig))?;
+        self.wifi_driver
+            .set_configuration(&Configuration::AccessPoint(apconfig))?;
         self.wifi_driver.start()?;
         anyhow::Ok(())
     }
 
-
+    pub(crate) fn wifi(&mut self, network_config: &NetworkConfig) -> anyhow::Result<IpInfo> {
-    pub(crate) fn wifi(
+        let ssid = network_config
-        &mut self,
+            .ssid
-        network_config: &NetworkConfig
+            .clone()
-    ) -> anyhow::Result<IpInfo> {
+            .ok_or(anyhow!("No ssid configured"))?;
-        let ssid = network_config.ssid.clone().ok_or(anyhow!("No ssid configured"))?;
         let password = network_config.password.clone();
         let max_wait = network_config.max_wait;
 
@@ -298,7 +291,6 @@ impl ESP<'_> {
         })
     }
 
-
     pub(crate) fn list_files(&self) -> FileList {
         let storage = CString::new(Self::SPIFFS_PARTITION_NAME).unwrap();
 
@@ -367,7 +359,7 @@ impl ESP<'_> {
         })
     }
 
-    pub(crate) fn init_rtc_deepsleep_memory(&self, init_rtc_store: bool, to_config_mode: bool){
+    pub(crate) fn init_rtc_deepsleep_memory(&self, init_rtc_store: bool, to_config_mode: bool) {
         if init_rtc_store {
             unsafe {
                 LAST_WATERING_TIMESTAMP = [0; PLANT_COUNT];
@@ -544,9 +536,9 @@ impl ESP<'_> {
                                 match round_trip_ok.load(std::sync::atomic::Ordering::Relaxed) {
                                     true => {
                                         println!("Round trip registered, proceeding");
-                                        self.mqtt_client = Some(MqttClient{
+                                        self.mqtt_client = Some(MqttClient {
                                             mqtt_client: client,
-                                            base_topic: base_topic_copy
+                                            base_topic: base_topic_copy,
                                         });
                                         return anyhow::Ok(());
                                     }
@@ -569,11 +561,7 @@ impl ESP<'_> {
         }
         bail!("Mqtt did not fire connection callback in time");
     }
-    pub(crate) fn mqtt_publish(
+    pub(crate) fn mqtt_publish(&mut self, subtopic: &str, message: &[u8]) -> anyhow::Result<()> {
-        &mut self,
-        subtopic: &str,
-        message: &[u8],
-    ) -> anyhow::Result<()> {
         if self.mqtt_client.is_none() {
             return anyhow::Ok(());
         }
@@ -587,10 +575,7 @@ impl ESP<'_> {
         }
         let client = self.mqtt_client.as_mut().unwrap();
         let mut full_topic: heapless::String<256> = heapless::String::new();
-        if full_topic
+        if full_topic.push_str(client.base_topic.as_str()).is_err() {
-            .push_str(client.base_topic.as_str())
-            .is_err()
-        {
             println!("Some error assembling full_topic 1");
             bail!("Some error assembling full_topic 1")
         };
@@ -598,7 +583,9 @@ impl ESP<'_> {
             println!("Some error assembling full_topic 2");
             bail!("Some error assembling full_topic 2")
         };
-        let publish = client.mqtt_client.publish(&full_topic, ExactlyOnce, true, message);
+        let publish = client
+            .mqtt_client
+            .publish(&full_topic, ExactlyOnce, true, message);
         Delay::new(10).delay_ms(50);
         match publish {
             OkStd(message_id) => {

rust/src/hal/initial_hal.rs

@@ -1,11 +1,11 @@
 use crate::config::{BoardHardware, PlantControllerConfig};
-use crate::hal::battery::{BatteryInteraction, BatteryMonitor};
+use crate::hal::battery::{BatteryInteraction, NoBatteryMonitor};
 use crate::hal::esp::ESP;
-use crate::hal::{deep_sleep, BackupHeader, BoardInteraction, Sensor, FreePeripherals};
+use crate::hal::{deep_sleep, BackupHeader, BoardInteraction, FreePeripherals, Sensor};
-use esp_idf_hal::gpio::{IOPin, Pull};
 use anyhow::{bail, Result};
 use chrono::{DateTime, Utc};
 use embedded_hal::digital::OutputPin;
+use esp_idf_hal::gpio::{IOPin, Pull};
 use esp_idf_hal::gpio::{InputOutput, PinDriver};
 
 pub struct Initial<'a> {
@@ -32,7 +32,7 @@ pub(crate) fn create_initial_board(
         general_fault,
         config,
         esp,
-        battery: Box::new(BatteryMonitor::Disabled {}),
+        battery: Box::new(NoBatteryMonitor {}),
     };
     Ok(Box::new(v))
 }

rust/src/hal/mod.rs

@@ -4,6 +4,7 @@ mod initial_hal;
 mod v3_hal;
 mod v4_hal;
 
+use battery::BQ34Z100G1;
 use bq34z100::Bq34z100g1Driver;
 
 use crate::log::LogMessage;
@@ -35,7 +36,7 @@ use std::sync::Mutex;
 use std::time::Duration;
 
 use crate::config::{BatteryBoardVersion, BoardVersion, PlantControllerConfig};
-use crate::hal::battery::{print_battery_bq34z100, BatteryInteraction, BatteryMonitor};
+use crate::hal::battery::{print_battery_bq34z100, BatteryInteraction, NoBatteryMonitor};
 use crate::hal::esp::ESP;
 use crate::hal::initial_hal::Initial;
 use crate::log::log;
@@ -280,8 +281,9 @@ impl PlantHal {
 
         let hal = match config {
             Result::Ok(config) => {
-                let battery_monitor: BatteryMonitor = match config.hardware.battery {
+                let battery_interaction: Box<dyn BatteryInteraction + Send> =
-                    BatteryBoardVersion::Disabled => BatteryMonitor::Disabled {},
+                    match config.hardware.battery {
+                        BatteryBoardVersion::Disabled => Box::new(NoBatteryMonitor {}),
                         BatteryBoardVersion::BQ34Z100G1 => {
                             let mut battery_driver = Bq34z100g1Driver {
                                 i2c: MutexDevice::new(&I2C_DRIVER),
@@ -301,11 +303,13 @@ impl PlantHal {
                                     );
                                 }
                             }
-                        BatteryMonitor::BQ34Z100G1 { battery_driver }
+                            Box::new(BQ34Z100G1 { battery_driver })
+                        }
+                        BatteryBoardVersion::WchI2cSlave => {
+                            // TODO use correct implementation once availible
+                            Box::new(NoBatteryMonitor {})
                         }
-                    BatteryBoardVersion::WchI2cSlave => BatteryMonitor::WchI2cSlave {},
                     };
-                let battery_interaction = Box::new(battery_monitor) as Box<dyn BatteryInteraction + Send>;
 
                 let board_hal: Box<dyn BoardInteraction + Send> = match config.hardware.board {
                     BoardVersion::INITIAL => {

rust/src/hal/v3_hal.rs

@@ -1,5 +1,5 @@
 use crate::config::PlantControllerConfig;
-use crate::hal::battery::{BatteryInteraction, BatteryMonitor};
+use crate::hal::battery::BatteryInteraction;
 use crate::hal::esp::ESP;
 use crate::hal::{
     deep_sleep, BackupHeader, BoardInteraction, FreePeripherals, Sensor, V3Constants, I2C_DRIVER,

rust/src/hal/v4_hal.rs

@@ -1,5 +1,5 @@
 use crate::config::PlantControllerConfig;
-use crate::hal::battery::{BatteryInteraction, BatteryMonitor};
+use crate::hal::battery::BatteryInteraction;
 use crate::hal::esp::ESP;
 use crate::hal::{
     deep_sleep, BackupHeader, BoardInteraction, FreePeripherals, Sensor, I2C_DRIVER, PLANT_COUNT,
@@ -23,12 +23,12 @@ use esp_idf_hal::pcnt::{
     PcntChannel, PcntChannelConfig, PcntControlMode, PcntCountMode, PcntDriver, PinIndex,
 };
 use esp_idf_sys::{gpio_hold_dis, gpio_hold_en, vTaskDelay, EspError};
-use one_wire_bus::OneWire;
-use pca9535::{GPIOBank, Pca9535Immediate, StandardExpanderInterface};
-use std::result::Result::Ok as OkStd;
 use ina219::address::Address;
 use ina219::calibration::{Calibration, UnCalibrated};
 use ina219::SyncIna219;
+use one_wire_bus::OneWire;
+use pca9535::{GPIOBank, Pca9535Immediate, StandardExpanderInterface};
+use std::result::Result::Ok as OkStd;
 
 const MS0: u8 = 1_u8;
 const MS1: u8 = 0_u8;
@@ -174,14 +174,19 @@ pub(crate) fn create_v4(
     }
 
     let mut mppt_ina = SyncIna219::new(MutexDevice::new(&I2C_DRIVER), Address::from_byte(68)?)?;
-    esp.delay.delay_ms(mppt_ina.configuration()?.conversion_time().unwrap().as_millis() as u32);
+    esp.delay.delay_ms(
+        mppt_ina
+            .configuration()?
+            .conversion_time()
+            .unwrap()
+            .as_millis() as u32,
+    );
     println!("Bus Voltage: {}", mppt_ina.bus_voltage()?);
     println!("Shunt Voltage: {}", mppt_ina.shunt_voltage()?);
     let volt = (mppt_ina.shunt_voltage()?.shunt_voltage_mv()) as f32 / 1000_f32;
-    let current = volt /0.05;
+    let current = volt / 0.05;
     println!("Shunt Current: {}", current);
 
-    
     let v = V4 {
         mppt_ina,
         esp,

rust/src/main.rs

@@ -12,6 +12,7 @@ use esp_idf_sys::{
     esp_ota_img_states_t_ESP_OTA_IMG_VALID, vTaskDelay,
 };
 use esp_ota::{mark_app_valid, rollback_and_reboot};
+use hal::battery::BatteryState;
 use log::{log, LogMessage};
 use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
@@ -21,16 +22,16 @@ use std::{
     sync::{atomic::AtomicBool, Arc, Mutex},
 };
 mod config;
-mod log;
 mod hal;
+mod log;
 mod plant_state;
 mod tank;
 
+use crate::config::BoardVersion::INITIAL;
+use crate::hal::battery::BatteryInteraction;
+use crate::hal::{BoardInteraction, PlantHal, HAL, PLANT_COUNT};
 use plant_state::PlantState;
 use tank::*;
-use crate::config::BoardVersion::INITIAL;
-use crate::hal::{BoardInteraction, PlantHal, HAL, PLANT_COUNT};
-use crate::hal::battery::BatteryInteraction;
 pub static BOARD_ACCESS: Lazy<Mutex<HAL>> = Lazy::new(|| PlantHal::create().unwrap());
 pub static STAY_ALIVE: Lazy<AtomicBool> = Lazy::new(|| AtomicBool::new(false));
 
@@ -72,7 +73,7 @@ struct LightState {
 
 #[derive(Serialize, Deserialize, Debug, PartialEq, Default)]
 ///mqtt stuct to track pump activities
-struct PumpInfo{
+struct PumpInfo {
     enabled: bool,
     pump_ineffective: bool,
 }
@@ -88,14 +89,16 @@ enum SensorError {
 #[derive(Serialize, Debug, PartialEq)]
 enum SntpMode {
     OFFLINE,
-    SYNC{
+    SYNC { current: DateTime<Utc> },
-        current: DateTime<Utc>
-    }
 }
 
 #[derive(Serialize, Debug, PartialEq)]
-enum NetworkMode{
+enum NetworkMode {
-    WIFI {sntp: SntpMode, mqtt: bool, ip_address: String},
+    WIFI {
+        sntp: SntpMode,
+        mqtt: bool,
+        ip_address: String,
+    },
     OFFLINE,
 }
 
@@ -150,10 +153,13 @@ fn safe_main() -> anyhow::Result<()> {
     };
     log(LogMessage::PartitionState, 0, 0, "", ota_state_string);
 
-    let mut board = BOARD_ACCESS.lock().expect("Could not lock board no other lock should be able to exist during startup!");
+    let mut board = BOARD_ACCESS
+        .lock()
+        .expect("Could not lock board no other lock should be able to exist during startup!");
     board.board_hal.general_fault(false);
 
-    let cur = board.board_hal
+    let cur = board
+        .board_hal
         .get_rtc_time()
         .or_else(|err| {
             println!("rtc module error: {:?}", err);
@@ -172,7 +178,11 @@ fn safe_main() -> anyhow::Result<()> {
     }
 
     println!("cur is {}", cur);
-    match board.board_hal.get_battery_monitor().average_current_milli_ampere() {
+    match board
+        .board_hal
+        .get_battery_monitor()
+        .average_current_milli_ampere()
+    {
         Ok(charging) => {
             let _ = board.board_hal.set_charge_indicator(charging > 20);
         }
@@ -208,7 +218,9 @@ fn safe_main() -> anyhow::Result<()> {
         }
     }
 
-    if board.board_hal.get_config().hardware.board == INITIAL && board.board_hal.get_config().network.ssid.is_none(){
+    if board.board_hal.get_config().hardware.board == INITIAL
+        && board.board_hal.get_config().network.ssid.is_none()
+    {
         let _ = board.board_hal.get_esp().wifi_ap();
         drop(board);
         let reboot_now = Arc::new(AtomicBool::new(false));
@@ -234,7 +246,7 @@ fn safe_main() -> anyhow::Result<()> {
         }
     }
 
-    let timezone = match & board.board_hal.get_config().timezone {
+    let timezone = match &board.board_hal.get_config().timezone {
         Some(tz_str) => tz_str.parse::<Tz>().unwrap_or_else(|_| {
             println!("Invalid timezone '{}', falling back to UTC", tz_str);
             UTC
@@ -251,16 +263,30 @@ fn safe_main() -> anyhow::Result<()> {
     );
 
     if let NetworkMode::WIFI { ref ip_address, .. } = network_mode {
-        publish_firmware_info(version, address, ota_state_string, &mut board, &ip_address, timezone_time);
+        publish_firmware_info(
+            version,
+            address,
+            ota_state_string,
+            &mut board,
+            &ip_address,
+            timezone_time,
+        );
         publish_battery_state(&mut board);
     }
 
-
     log(
         LogMessage::StartupInfo,
         matches!(network_mode, NetworkMode::WIFI { .. }) as u32,
-        matches!(network_mode, NetworkMode::WIFI { sntp: SntpMode::SYNC { .. }, .. }) as u32,
+        matches!(
-        matches!(network_mode, NetworkMode::WIFI { mqtt: true, .. }).to_string().as_str(),
+            network_mode,
+            NetworkMode::WIFI {
+                sntp: SntpMode::SYNC { .. },
+                ..
+            }
+        ) as u32,
+        matches!(network_mode, NetworkMode::WIFI { mqtt: true, .. })
+            .to_string()
+            .as_str(),
         "",
     );
 
@@ -304,7 +330,10 @@ fn safe_main() -> anyhow::Result<()> {
             }
             // disabled cannot trigger this because of wrapping if is_enabled
             board.board_hal.general_fault(true);
-        } else if tank_state.warn_level(&board.board_hal.get_config().tank).is_ok_and(|warn| warn) {
+        } else if tank_state
+            .warn_level(&board.board_hal.get_config().tank)
+            .is_ok_and(|warn| warn)
+        {
             log(LogMessage::TankWaterLevelLow, 0, 0, "", "");
             board.board_hal.general_fault(true);
         }
@@ -332,10 +361,17 @@ fn safe_main() -> anyhow::Result<()> {
         && !water_frozen;
     if pump_required {
         log(LogMessage::EnableMain, dry_run as u32, 0, "", "");
-        for (plant_id, (state, plant_config)) in plantstate.iter().zip(&board.board_hal.get_config().plants.clone()).enumerate() {
+        for (plant_id, (state, plant_config)) in plantstate
+            .iter()
+            .zip(&board.board_hal.get_config().plants.clone())
+            .enumerate()
+        {
             if state.needs_to_be_watered(plant_config, &timezone_time) {
                 let pump_count = board.board_hal.get_esp().consecutive_pump_count(plant_id) + 1;
-                board.board_hal.get_esp().store_consecutive_pump_count(plant_id, pump_count);
+                board
+                    .board_hal
+                    .get_esp()
+                    .store_consecutive_pump_count(plant_id, pump_count);
 
                 let pump_ineffective = pump_count > plant_config.max_consecutive_pump_count as u32;
                 if pump_ineffective {
@@ -343,7 +379,7 @@ fn safe_main() -> anyhow::Result<()> {
                         LogMessage::ConsecutivePumpCountLimit,
                         pump_count,
                         plant_config.max_consecutive_pump_count as u32,
-                        &(plant_id+1).to_string(),
+                        &(plant_id + 1).to_string(),
                         "",
                     );
                     board.board_hal.fault(plant_id, true)?;
@@ -355,7 +391,10 @@ fn safe_main() -> anyhow::Result<()> {
                     &dry_run.to_string(),
                     "",
                 );
-                board.board_hal.get_esp().store_last_pump_time(plant_id, cur);
+                board
+                    .board_hal
+                    .get_esp()
+                    .store_last_pump_time(plant_id, cur);
                 board.board_hal.get_esp().last_pump_time(plant_id);
                 //state.active = true;
 
@@ -367,17 +406,30 @@ fn safe_main() -> anyhow::Result<()> {
                     board.board_hal.pump(plant_id, false)?;
                 }
                 pump_info(&mut board, plant_id, false, pump_ineffective);
-
             } else if !state.pump_in_timeout(plant_config, &timezone_time) {
                 // plant does not need to be watered and is not in timeout
                 // -> reset consecutive pump count
-                board.board_hal.get_esp().store_consecutive_pump_count(plant_id, 0);
+                board
+                    .board_hal
+                    .get_esp()
+                    .store_consecutive_pump_count(plant_id, 0);
             }
         }
     }
 
     let is_day = board.board_hal.is_day();
-    let state_of_charge = board.board_hal.get_battery_monitor().state_charge_percent().unwrap_or(0);
+    let state_of_charge = board
+        .board_hal
+        .get_battery_monitor()
+        .state_charge_percent()
+        .unwrap_or(0.);
+
+    /// try to load full battery state if failed the battery state is unknown
+    let battery_state = board
+        .board_hal
+        .get_battery_monitor()
+        .get_battery_state()
+        .unwrap_or(hal::battery::BatteryState::Unknown);
 
     let mut light_state = LightState {
         enabled: board.board_hal.get_config().night_lamp.enabled,
@@ -387,19 +439,42 @@ fn safe_main() -> anyhow::Result<()> {
         light_state.is_day = is_day;
         light_state.out_of_work_hour = !in_time_range(
             &timezone_time,
-            board.board_hal.get_config().night_lamp.night_lamp_hour_start,
+            board
+                .board_hal
+                .get_config()
+                .night_lamp
+                .night_lamp_hour_start,
             board.board_hal.get_config().night_lamp.night_lamp_hour_end,
         );
 
-        if state_of_charge < board.board_hal.get_config().night_lamp.low_soc_cutoff {
+        if state_of_charge
+            < board
+                .board_hal
+                .get_config()
+                .night_lamp
+                .low_soc_cutoff
+                .into()
+        {
             board.board_hal.get_esp().set_low_voltage_in_cycle();
-        } else if state_of_charge > board.board_hal.get_config().night_lamp.low_soc_restore {
+        } else if state_of_charge
+            > board
+                .board_hal
+                .get_config()
+                .night_lamp
+                .low_soc_restore
+                .into()
+        {
             board.board_hal.get_esp().clear_low_voltage_in_cycle();
         }
         light_state.battery_low = board.board_hal.get_esp().low_voltage_in_cycle();
 
         if !light_state.out_of_work_hour {
-            if board.board_hal.get_config().night_lamp.night_lamp_only_when_dark {
+            if board
+                .board_hal
+                .get_config()
+                .night_lamp
+                .night_lamp_only_when_dark
+            {
                 if !light_state.is_day {
                     if light_state.battery_low {
                         board.board_hal.light(false)?;
@@ -424,24 +499,41 @@ fn safe_main() -> anyhow::Result<()> {
 
     match serde_json::to_string(&light_state) {
         Ok(state) => {
-            let _ = board.board_hal.get_esp().mqtt_publish( "/light", state.as_bytes());
+            let _ = board
+                .board_hal
+                .get_esp()
+                .mqtt_publish("/light", state.as_bytes());
         }
         Err(err) => {
             println!("Error publishing lightstate {}", err);
         }
     };
 
-    let deep_sleep_duration_minutes: u32 = if state_of_charge < 10 {
+    let deep_sleep_duration_minutes: u32 =
-        let _ = board.board_hal.get_esp().mqtt_publish( "/deepsleep", "low Volt 12h".as_bytes());
+        // if battery soc is unknown assume battery has enough change
+        if state_of_charge < 10.0 && !matches!(battery_state, BatteryState::Unknown) {
+            let _ = board
+                .board_hal
+                .get_esp()
+                .mqtt_publish("/deepsleep", "low Volt 12h".as_bytes());
             12 * 60
         } else if is_day {
-        let _ = board.board_hal.get_esp().mqtt_publish( "/deepsleep", "normal 20m".as_bytes());
+            let _ = board
+                .board_hal
+                .get_esp()
+                .mqtt_publish("/deepsleep", "normal 20m".as_bytes());
             20
         } else {
-        let _ = board.board_hal.get_esp().mqtt_publish( "/deepsleep", "night 1h".as_bytes());
+            let _ = board
+                .board_hal
+                .get_esp()
+                .mqtt_publish("/deepsleep", "night 1h".as_bytes());
             60
         };
-    let _ = board.board_hal.get_esp().mqtt_publish( "/state", "sleep".as_bytes());
+    let _ = board
+        .board_hal
+        .get_esp()
+        .mqtt_publish("/state", "sleep".as_bytes());
 
     //determine next event
     //is light out of work trigger soon?
@@ -462,7 +554,9 @@ fn safe_main() -> anyhow::Result<()> {
         wait_infinity(WaitType::MqttConfig, reboot_now.clone());
     }
     board.board_hal.get_esp().set_restart_to_conf(false);
-    board.board_hal.deep_sleep(1000 * 1000 * 60 * deep_sleep_duration_minutes as u64);
+    board
+        .board_hal
+        .deep_sleep(1000 * 1000 * 60 * deep_sleep_duration_minutes as u64);
 }
 
 fn obtain_tank_temperature(board: &mut MutexGuard<HAL>) -> anyhow::Result<f32> {
@@ -487,10 +581,19 @@ fn obtain_tank_temperature(board: &mut MutexGuard<HAL>) -> anyhow::Result<f32> {
     water_temp
 }
 
-fn publish_tank_state(board: &mut MutexGuard<HAL>, tank_state: &TankState, water_temp: &anyhow::Result<f32>) {
+fn publish_tank_state(
-    match serde_json::to_string(&tank_state.as_mqtt_info(&board.board_hal.get_config().tank, water_temp)) {
+    board: &mut MutexGuard<HAL>,
+    tank_state: &TankState,
+    water_temp: &anyhow::Result<f32>,
+) {
+    match serde_json::to_string(
+        &tank_state.as_mqtt_info(&board.board_hal.get_config().tank, water_temp),
+    ) {
         Ok(state) => {
-            let _ = board.board_hal.get_esp().mqtt_publish("/water", state.as_bytes());
+            let _ = board
+                .board_hal
+                .get_esp()
+                .mqtt_publish("/water", state.as_bytes());
         }
         Err(err) => {
             println!("Error publishing tankstate {}", err);
@@ -498,12 +601,23 @@ fn publish_tank_state(board: &mut MutexGuard<HAL>, tank_state: &TankState, water
     };
 }
 
-fn publish_plant_states(board: &mut MutexGuard<HAL>, timezone_time: &DateTime<Tz>, plantstate: &[PlantState; 8]) {
+fn publish_plant_states(
-    for (plant_id, (plant_state, plant_conf)) in plantstate.iter().zip(& board.board_hal.get_config().plants.clone()).enumerate() {
+    board: &mut MutexGuard<HAL>,
+    timezone_time: &DateTime<Tz>,
+    plantstate: &[PlantState; 8],
+) {
+    for (plant_id, (plant_state, plant_conf)) in plantstate
+        .iter()
+        .zip(&board.board_hal.get_config().plants.clone())
+        .enumerate()
+    {
         match serde_json::to_string(&plant_state.to_mqtt_info(plant_conf, &timezone_time)) {
             Ok(state) => {
                 let plant_topic = format!("/plant{}", plant_id + 1);
-                let _ = board.board_hal.get_esp().mqtt_publish(&plant_topic, state.as_bytes());
+                let _ = board
+                    .board_hal
+                    .get_esp()
+                    .mqtt_publish(&plant_topic, state.as_bytes());
                 //reduce speed as else messages will be dropped
                 board.board_hal.get_esp().delay.delay_ms(200);
             }
@@ -514,26 +628,45 @@ fn publish_plant_states(board: &mut MutexGuard<HAL>, timezone_time: &DateTime<Tz
     }
 }
 
-fn publish_firmware_info(version: VersionInfo, address: u32, ota_state_string: &str, board: &mut MutexGuard<HAL>, ip_address: &String, timezone_time: DateTime<Tz>) {
+fn publish_firmware_info(
-    let _ = board.board_hal.get_esp().mqtt_publish("/firmware/address", ip_address.as_bytes());
+    version: VersionInfo,
-    let _ = board.board_hal.get_esp().mqtt_publish( "/firmware/githash", version.git_hash.as_bytes());
+    address: u32,
-    let _ = board.board_hal.get_esp().mqtt_publish(
+    ota_state_string: &str,
-        "/firmware/buildtime",
+    board: &mut MutexGuard<HAL>,
-        version.build_time.as_bytes(),
+    ip_address: &String,
-    );
+    timezone_time: DateTime<Tz>,
+) {
+    let _ = board
+        .board_hal
+        .get_esp()
+        .mqtt_publish("/firmware/address", ip_address.as_bytes());
+    let _ = board
+        .board_hal
+        .get_esp()
+        .mqtt_publish("/firmware/githash", version.git_hash.as_bytes());
+    let _ = board
+        .board_hal
+        .get_esp()
+        .mqtt_publish("/firmware/buildtime", version.build_time.as_bytes());
     let _ = board.board_hal.get_esp().mqtt_publish(
         "/firmware/last_online",
         timezone_time.to_rfc3339().as_bytes(),
     );
-    let _ = board.board_hal.get_esp().mqtt_publish( "/firmware/ota_state", ota_state_string.as_bytes());
+    let _ = board
+        .board_hal
+        .get_esp()
+        .mqtt_publish("/firmware/ota_state", ota_state_string.as_bytes());
     let _ = board.board_hal.get_esp().mqtt_publish(
         "/firmware/partition_address",
         format!("{:#06x}", address).as_bytes(),
     );
-    let _ = board.board_hal.get_esp().mqtt_publish( "/state", "online".as_bytes());
+    let _ = board
+        .board_hal
+        .get_esp()
+        .mqtt_publish("/state", "online".as_bytes());
 }
 
-fn try_connect_wifi_sntp_mqtt(board: &mut MutexGuard<HAL>) -> NetworkMode{
+fn try_connect_wifi_sntp_mqtt(board: &mut MutexGuard<HAL>) -> NetworkMode {
     let nw_conf = &board.board_hal.get_config().network.clone();
     match board.board_hal.get_esp().wifi(nw_conf) {
         Ok(ip_info) => {
@@ -541,7 +674,7 @@ fn try_connect_wifi_sntp_mqtt(board: &mut MutexGuard<HAL>) -> NetworkMode{
                 Ok(new_time) => {
                     println!("Using time from sntp");
                     let _ = board.board_hal.set_rtc_time(&new_time);
-                    SntpMode::SYNC {current: new_time}
+                    SntpMode::SYNC { current: new_time }
                 }
                 Err(err) => {
                     println!("sntp error: {}", err);
@@ -567,7 +700,7 @@ fn try_connect_wifi_sntp_mqtt(board: &mut MutexGuard<HAL>) -> NetworkMode{
             NetworkMode::WIFI {
                 sntp: sntp_mode,
                 mqtt: mqtt_connected,
-                ip_address: ip_info.ip.to_string()
+                ip_address: ip_info.ip.to_string(),
             }
         }
         Err(_) => {
@@ -578,15 +711,23 @@ fn try_connect_wifi_sntp_mqtt(board: &mut MutexGuard<HAL>) -> NetworkMode{
     }
 }
 
-fn pump_info(board: &mut MutexGuard<HAL>, plant_id: usize, pump_active: bool, pump_ineffective: bool)  {
+fn pump_info(
+    board: &mut MutexGuard<HAL>,
+    plant_id: usize,
+    pump_active: bool,
+    pump_ineffective: bool,
+) {
     let pump_info = PumpInfo {
         enabled: pump_active,
-        pump_ineffective
+        pump_ineffective,
     };
     let pump_topic = format!("/pump{}", plant_id + 1);
     match serde_json::to_string(&pump_info) {
         Ok(state) => {
-            let _ = board.board_hal.get_esp().mqtt_publish(&pump_topic, state.as_bytes());
+            let _ = board
+                .board_hal
+                .get_esp()
+                .mqtt_publish(&pump_topic, state.as_bytes());
             //reduce speed as else messages will be dropped
             Delay::new_default().delay_ms(200);
         }
@@ -596,11 +737,15 @@ fn pump_info(board: &mut MutexGuard<HAL>, plant_id: usize, pump_active: bool, pu
     };
 }
 
-fn publish_battery_state(
+fn publish_battery_state(board: &mut MutexGuard<'_, HAL<'_>>) {
-    board: &mut MutexGuard<'_, HAL<'_>>
-) {
     let state = board.board_hal.get_battery_monitor().get_battery_state();
-    let _ = board.board_hal.get_esp().mqtt_publish( "/battery", state.as_bytes());
+    if let Ok(serialized_battery_state_bytes) = serde_json::to_string(&state).map(|s| s.into_bytes())
+    {
+        let _ = board
+            .board_hal
+            .get_esp()
+            .mqtt_publish("/battery", &serialized_battery_state_bytes);
+    }
 }
 
 fn wait_infinity(wait_type: WaitType, reboot_now: Arc<AtomicBool>) -> ! {
@@ -611,7 +756,11 @@ fn wait_infinity(wait_type: WaitType, reboot_now: Arc<AtomicBool>) -> ! {
     loop {
         unsafe {
             let mut board = BOARD_ACCESS.lock().unwrap();
-            if let Ok(charging) = board.board_hal.get_battery_monitor().average_current_milli_ampere() {
+            if let Ok(charging) = board
+                .board_hal
+                .get_battery_monitor()
+                .average_current_milli_ampere()
+            {
                 let _ = board.board_hal.set_charge_indicator(charging > 20);
             }
             match wait_type {
@@ -673,7 +822,12 @@ fn main() {
         // timeout, this is just a fallback
         Ok(_) => {
             println!("Main app finished, restarting");
-            BOARD_ACCESS.lock().unwrap().board_hal.get_esp().set_restart_to_conf(false);
+            BOARD_ACCESS
+                .lock()
+                .unwrap()
+                .board_hal
+                .get_esp()
+                .set_restart_to_conf(false);
             BOARD_ACCESS.lock().unwrap().board_hal.deep_sleep(1);
         }
         // if safe_main exists with an error, rollback to a known good ota version

rust/src/plant_state.rs

@@ -2,8 +2,8 @@ use chrono::{DateTime, TimeDelta, Utc};
 use chrono_tz::Tz;
 use serde::{Deserialize, Serialize};
 
-use crate::{config::PlantConfig, in_time_range};
 use crate::hal::{BoardInteraction, Sensor, HAL};
+use crate::{config::PlantConfig, in_time_range};
 
 const MOIST_SENSOR_MAX_FREQUENCY: f32 = 7500.; // 60kHz (500Hz margin)
 const MOIST_SENSOR_MIN_FREQUENCY: f32 = 150.; // this is really, really dry, think like cactus levels
@@ -112,10 +112,7 @@ fn map_range_moisture(
 }
 
 impl PlantState {
-    pub fn read_hardware_state(
+    pub fn read_hardware_state(plant_id: usize, board: &mut HAL) -> Self {
-        plant_id: usize,
-        board: &mut HAL
-    ) -> Self {
         let sensor_a = if board.board_hal.get_config().plants[plant_id].sensor_a {
             match board.board_hal.measure_moisture_hz(plant_id, Sensor::A) {
                 Ok(raw) => match map_range_moisture(

rust/src/tank.rs

@@ -114,11 +114,7 @@ impl TankState {
         }
     }
 
-    pub fn as_mqtt_info(
+    pub fn as_mqtt_info(&self, config: &TankConfig, water_temp: &anyhow::Result<f32>) -> TankInfo {
-        &self,
-        config: &TankConfig,
-        water_temp: &anyhow::Result<f32>,
-    ) -> TankInfo {
         let mut tank_err: Option<TankError> = None;
         let left_ml = match self.left_ml(config) {
             Err(err) => {
@@ -155,9 +151,7 @@ impl TankState {
     }
 }
 
-pub fn determine_tank_state(
+pub fn determine_tank_state(board: &mut std::sync::MutexGuard<'_, HAL<'_>>) -> TankState {
-    board: &mut std::sync::MutexGuard<'_, HAL<'_>>
-) -> TankState {
     if board.board_hal.get_config().tank.tank_sensor_enabled {
         match board.board_hal.tank_sensor_voltage() {
             Ok(raw_sensor_value_mv) => TankState::Present(raw_sensor_value_mv),

rust/src/webserver/webserver.rs

@@ -2,8 +2,7 @@
 
 use crate::hal::battery::BatteryInteraction;
 use crate::{
-    determine_tank_state, get_version, log::LogMessage,
+    determine_tank_state, get_version, log::LogMessage, plant_state::PlantState, BOARD_ACCESS,
-    plant_state::PlantState, BOARD_ACCESS,
 };
 use anyhow::bail;
 use chrono::DateTime;
@@ -83,11 +82,14 @@ fn get_time(
     _request: &mut Request<&mut EspHttpConnection>,
 ) -> Result<Option<std::string::String>, anyhow::Error> {
     let mut board = BOARD_ACCESS.lock().expect("board access");
-    let native = board.board_hal.get_esp()
+    let native = board
+        .board_hal
+        .get_esp()
         .time()
         .map(|t| t.to_rfc3339())
         .unwrap_or("error".to_string());
-    let rtc = board.board_hal
+    let rtc = board
+        .board_hal
         .get_rtc_time()
         .map(|t| t.to_rfc3339())
         .unwrap_or("error".to_string());
@@ -116,35 +118,28 @@ fn get_live_moisture(
     _request: &mut Request<&mut EspHttpConnection>,
 ) -> Result<Option<std::string::String>, anyhow::Error> {
     let mut board = BOARD_ACCESS.lock().expect("Should never fail");
-    let plant_state = Vec::from_iter(
+    let plant_state =
-        (0..PLANT_COUNT).map(|i| PlantState::read_hardware_state(i, &mut board)),
+        Vec::from_iter((0..PLANT_COUNT).map(|i| PlantState::read_hardware_state(i, &mut board)));
-    );
+    let a = Vec::from_iter(plant_state.iter().map(|s| match &s.sensor_a {
-    let a = Vec::from_iter(
-        plant_state
-            .iter()
-            .map(|s| {
-                match &s.sensor_a  {
         MoistureSensorState::Disabled => "disabled".to_string(),
-                    MoistureSensorState::MoistureValue {raw_hz, moisture_percent } => {
+        MoistureSensorState::MoistureValue {
+            raw_hz,
+            moisture_percent,
+        } => {
             format!("{moisture_percent:.2}% {raw_hz}hz",)
         }
         MoistureSensorState::SensorError(err) => format!("{err:?}"),
-                }
+    }));
-            })
+    let b = Vec::from_iter(plant_state.iter().map(|s| match &s.sensor_b {
-    );
-    let b = Vec::from_iter(
-        plant_state
-            .iter()
-            .map(|s| {
-                match &s.sensor_b  {
         MoistureSensorState::Disabled => "disabled".to_string(),
-                    MoistureSensorState::MoistureValue {raw_hz, moisture_percent } => {
+        MoistureSensorState::MoistureValue {
+            raw_hz,
+            moisture_percent,
+        } => {
             format!("{moisture_percent:.2}% {raw_hz}hz",)
         }
         MoistureSensorState::SensorError(err) => format!("{err:?}"),
-                }
+    }));
-            })
-    );
 
     let data = Moistures {
         moisture_a: a,
@@ -228,7 +223,7 @@ fn get_battery_state(
 ) -> Result<Option<std::string::String>, anyhow::Error> {
     let mut board = BOARD_ACCESS.lock().expect("board access");
     let battery_state = board.board_hal.get_battery_monitor().get_battery_state();
-    anyhow::Ok(Some(battery_state))
+    anyhow::Ok(Some(serde_json::to_string(&battery_state)?))
 }
 
 fn get_log(
@@ -267,9 +262,10 @@ fn tank_info(
     let tank_info = determine_tank_state(&mut board);
     //should be multsampled
     let water_temp = board.board_hal.water_temperature_c();
-    Ok(Some(serde_json::to_string(
+    Ok(Some(serde_json::to_string(&tank_info.as_mqtt_info(
-        &tank_info.as_mqtt_info(&board.board_hal.get_config().tank, &water_temp),
+        &board.board_hal.get_config().tank,
-    )?))
+        &water_temp,
+    ))?))
 }
 
 fn night_lamp_test(
@@ -297,7 +293,9 @@ fn wifi_scan(
 fn list_files(
     _request: &mut Request<&mut EspHttpConnection>,
 ) -> Result<Option<std::string::String>, anyhow::Error> {
-    let mut board = BOARD_ACCESS.lock().expect("It should be possible to lock the board for exclusive fs access");
+    let mut board = BOARD_ACCESS
+        .lock()
+        .expect("It should be possible to lock the board for exclusive fs access");
     let result = board.board_hal.get_esp().list_files();
     let file_list_json = serde_json::to_string(&result)?;
     anyhow::Ok(Some(file_list_json))
@@ -469,7 +467,12 @@ pub fn httpd(reboot_now: Arc<AtomicBool>) -> Box<EspHttpServer<'static>> {
     let reboot_now_for_reboot = reboot_now.clone();
     server
         .fn_handler("/reboot", Method::Post, move |_| {
-            BOARD_ACCESS.lock().unwrap().board_hal.get_esp().set_restart_to_conf(true);
+            BOARD_ACCESS
+                .lock()
+                .unwrap()
+                .board_hal
+                .get_esp()
+                .set_restart_to_conf(true);
             reboot_now_for_reboot.store(true, std::sync::atomic::Ordering::Relaxed);
             anyhow::Ok(())
         })
@@ -490,7 +493,8 @@ pub fn httpd(reboot_now: Arc<AtomicBool>) -> Box<EspHttpServer<'static>> {
             let file_handle = BOARD_ACCESS
                 .lock()
                 .unwrap()
-                .board_hal.get_esp()
+                .board_hal
+                .get_esp()
                 .get_file_handle(&filename, false);
             match file_handle {
                 Ok(mut file_handle) => {