404 lines
16 KiB
Rust
404 lines
16 KiB
Rust
use embedded_svc::wifi::{Configuration, ClientConfiguration, AuthMethod};
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use esp_idf_svc::eventloop::EspSystemEventLoop;
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use esp_idf_svc::nvs::EspDefaultNvsPartition;
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use esp_idf_svc::wifi::EspWifi;
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use std::sync::Mutex;
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use anyhow::{Context, Result, bail};
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use anyhow::anyhow;
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use chrono::{Utc, NaiveDateTime, DateTime};
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use ds18b20::Ds18b20;
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use embedded_hal::digital::v1_compat::OldOutputPin;
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use embedded_hal::digital::v2::OutputPin;
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use esp_idf_hal::adc::config::Config;
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use esp_idf_hal::adc::{AdcDriver, AdcChannelDriver, attenuation};
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use esp_idf_hal::delay::Delay;
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use esp_idf_hal::pcnt::{PcntDriver, PcntChannel, PinIndex, PcntChannelConfig, PcntControlMode, PcntCountMode};
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use esp_idf_hal::reset::ResetReason;
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use esp_idf_svc::sntp::{self, SyncStatus};
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use esp_idf_svc::systime::EspSystemTime;
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use esp_idf_sys::EspError;
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use one_wire_bus::OneWire;
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use shift_register_driver::sipo::ShiftRegister24;
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use esp_idf_hal::gpio::{PinDriver, Gpio39, Gpio4, AnyInputPin};
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use esp_idf_hal::prelude::Peripherals;
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pub const PLANT_COUNT:usize = 8;
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const PINS_PER_PLANT:usize = 5;
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const PLANT_PUMP_OFFSET:usize = 0;
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const PLANT_FAULT_OFFSET:usize = 1;
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const PLANT_MOIST_PUMP_OFFSET:usize = 2;
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const PLANT_MOIST_B_OFFSET:usize = 3;
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const PLANT_MOIST_A_OFFSET:usize = 4;
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#[link_section = ".rtc.data"]
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static mut LAST_WATERING_TIMESTAMP: [i64; PLANT_COUNT] = [0; PLANT_COUNT];
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#[link_section = ".rtc.data"]
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static mut CONSECUTIVE_WATERING_PLANT: [u32; PLANT_COUNT] = [0; PLANT_COUNT];
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#[link_section = ".rtc.data"]
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static mut LOW_VOLTAGE_DETECTED:bool = false;
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pub struct BatteryState {
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state_charge_percent: u8,
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max_error_percent: u8,
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remaining_milli_ampere_hour: u32,
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max_milli_ampere_hour: u32,
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design_milli_ampere_hour:u32,
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voltage_milli_volt: u16,
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average_current_milli_ampere: u16,
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temperature_tenth_kelvin: u32,
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average_time_to_empty_minute: u16,
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average_time_to_full_minute: u16,
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average_discharge_power_cycle_milli_watt: u16,
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cycle_count: u16,
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state_health_percent: u8
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}
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pub enum Sensor{
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A,
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B,
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PUMP
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}
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pub trait PlantCtrlBoardInteraction{
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fn time(&mut self) -> Result<chrono::DateTime<Utc>>;
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fn wifi(&mut self, ssid:&str, password:Option<&str>, max_wait:u32) -> Result<()>;
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fn sntp(&mut self, max_wait:u32) -> Result<chrono::DateTime<Utc>>;
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fn battery_state(&mut self) -> Result<BatteryState>;
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fn general_fault(&mut self, enable: bool);
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fn is_day(&self,) -> bool;
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fn water_temperature_c(&mut self,) -> Result<f32>;
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fn tank_sensor_mv(&mut self,) -> Result<u16>;
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fn set_low_voltage_in_cycle(&mut self,);
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fn clear_low_voltage_in_cycle(&mut self,);
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fn low_voltage_in_cycle(&mut self) -> bool;
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fn any_pump(&mut self, enabled:bool) -> Result<()>;
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//keep state during deepsleep
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fn light(&mut self,enable:bool) -> Result<()>;
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fn measure_moisture_hz(&self, plant:usize, sensor:Sensor) -> Result<i32>;
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fn pump(&self,plant:usize, enable:bool) -> Result<()>;
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fn last_pump_time(&self,plant:usize) -> Result<chrono::DateTime<Utc>>;
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fn store_last_pump_time(&mut self,plant:usize, time: chrono::DateTime<Utc>);
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fn store_consecutive_pump_count(&mut self,plant:usize, count:u32);
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fn consecutive_pump_count(&mut self,plant:usize) -> u32;
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//keep state during deepsleep
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fn fault(&self,plant:usize, enable:bool);
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}
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pub trait CreatePlantHal<'a> {
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fn create()-> Result<PlantCtrlBoard<'static>>;
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}
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pub struct PlantHal {
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}
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impl CreatePlantHal<'_> for PlantHal{
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fn create() -> Result<PlantCtrlBoard<'static>> {
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let peripherals = Peripherals::take()?;
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let clock = OldOutputPin::from(PinDriver::output(peripherals.pins.gpio21)?);
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let latch = OldOutputPin::from(PinDriver::output(peripherals.pins.gpio22)?);
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let data = OldOutputPin::from(PinDriver::output(peripherals.pins.gpio19)?);
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let one_wire_pin = PinDriver::input_output_od(peripherals.pins.gpio4)?;
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//TODO make to none if not possible to init
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//init,reset rtc memory depending on cause
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let reasons = ResetReason::get();
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let reset_store = match reasons {
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ResetReason::Software => false,
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ResetReason::ExternalPin => false,
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ResetReason::Watchdog => true,
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ResetReason::Sdio => true,
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ResetReason::Panic => true,
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ResetReason::InterruptWatchdog => true,
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ResetReason::PowerOn => true,
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ResetReason::Unknown => true,
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ResetReason::Brownout => true,
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ResetReason::TaskWatchdog => true,
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ResetReason::DeepSleep => false,
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};
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if reset_store {
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println!("Clear and reinit RTC store");
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unsafe {
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LAST_WATERING_TIMESTAMP = [0; PLANT_COUNT];
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CONSECUTIVE_WATERING_PLANT = [0; PLANT_COUNT];
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LOW_VOLTAGE_DETECTED = false;
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};
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} else {
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println!("Keeping RTC store");
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}
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let mut counter_unit1 = PcntDriver::new(
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peripherals.pcnt0,
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Some(peripherals.pins.gpio18),
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Option::<AnyInputPin>::None,
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Option::<AnyInputPin>::None,
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Option::<AnyInputPin>::None,
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)?;
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counter_unit1.channel_config(
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PcntChannel::Channel0,
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PinIndex::Pin0,
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PinIndex::Pin1,
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&PcntChannelConfig {
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lctrl_mode: PcntControlMode::Reverse,
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hctrl_mode: PcntControlMode::Keep,
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pos_mode: PcntCountMode::Decrement,
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neg_mode: PcntCountMode::Increment,
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counter_h_lim: i16::MAX,
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counter_l_lim: 0,
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},
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)?;
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//TODO validate filter value! currently max allowed value
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counter_unit1.set_filter_value(1023)?;
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counter_unit1.filter_enable()?;
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let sys_loop = EspSystemEventLoop::take()?;
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let nvs = EspDefaultNvsPartition::take()?;
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let wifi_driver = EspWifi::new(
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peripherals.modem,
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sys_loop,
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Some(nvs)
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)?;
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return Ok(PlantCtrlBoard {
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shift_register : ShiftRegister24::new(clock, latch, data),
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last_watering_timestamp : Mutex::new(unsafe { LAST_WATERING_TIMESTAMP }),
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consecutive_watering_plant : Mutex::new(unsafe { CONSECUTIVE_WATERING_PLANT }),
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low_voltage_detected : Mutex::new(unsafe { LOW_VOLTAGE_DETECTED }),
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tank_driver : AdcDriver::new(peripherals.adc1, &Config::new().calibration(true))?,
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tank_channel: AdcChannelDriver::new(peripherals.pins.gpio39)?,
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solar_is_day : PinDriver::input(peripherals.pins.gpio25)?,
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light: PinDriver::output(peripherals.pins.gpio26)?,
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main_pump: PinDriver::output(peripherals.pins.gpio23)?,
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tank_power: PinDriver::output(peripherals.pins.gpio27)?,
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general_fault: PinDriver::output(peripherals.pins.gpio13)?,
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one_wire_bus: OneWire::new(one_wire_pin).map_err(|err| -> anyhow::Error {anyhow!("Missing attribute: {:?}", err)})?,
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signal_counter : counter_unit1,
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wifi_driver : wifi_driver
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});
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}
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}
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pub struct PlantCtrlBoard<'a>{
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shift_register: ShiftRegister24<OldOutputPin<PinDriver<'a, esp_idf_hal::gpio::Gpio21, esp_idf_hal::gpio::Output>>, OldOutputPin<PinDriver<'a, esp_idf_hal::gpio::Gpio22, esp_idf_hal::gpio::Output>>, OldOutputPin<PinDriver<'a, esp_idf_hal::gpio::Gpio19, esp_idf_hal::gpio::Output>>>,
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consecutive_watering_plant: Mutex<[u32; PLANT_COUNT]>,
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last_watering_timestamp: Mutex<[i64; PLANT_COUNT]>,
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low_voltage_detected: Mutex<bool>,
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tank_driver: AdcDriver<'a, esp_idf_hal::adc::ADC1>,
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tank_channel: esp_idf_hal::adc::AdcChannelDriver<'a, { attenuation::DB_11 }, Gpio39 >,
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solar_is_day: PinDriver<'a, esp_idf_hal::gpio::Gpio25, esp_idf_hal::gpio::Input>,
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signal_counter: PcntDriver<'a>,
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light: PinDriver<'a, esp_idf_hal::gpio::Gpio26, esp_idf_hal::gpio::Output>,
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main_pump: PinDriver<'a, esp_idf_hal::gpio::Gpio23, esp_idf_hal::gpio::Output>,
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tank_power: PinDriver<'a, esp_idf_hal::gpio::Gpio27, esp_idf_hal::gpio::Output>,
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general_fault: PinDriver<'a, esp_idf_hal::gpio::Gpio13, esp_idf_hal::gpio::Output>,
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wifi_driver: EspWifi<'a>,
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one_wire_bus: OneWire<PinDriver<'a, Gpio4, esp_idf_hal::gpio::InputOutput>>,
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}
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impl PlantCtrlBoardInteraction for PlantCtrlBoard<'_> {
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fn battery_state(&mut self,) -> Result<BatteryState> {
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todo!()
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}
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fn is_day(&self,) -> bool {
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return self.solar_is_day.get_level().into();
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}
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fn water_temperature_c(&mut self,) -> Result<f32> {
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let mut delay = Delay::new_default();
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self.one_wire_bus.reset(&mut delay).map_err(|err| -> anyhow::Error {anyhow!("Missing attribute: {:?}", err)})?;
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let first = self.one_wire_bus.devices(false, &mut delay).next();
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if first.is_none() {
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bail!("Not found any one wire Ds18b20");
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}
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let device_address = first.unwrap().map_err(|err| -> anyhow::Error {anyhow!("Missing attribute: {:?}", err)})?;
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let water_temp_sensor = Ds18b20::new::<EspError>(device_address).map_err(|err| -> anyhow::Error {anyhow!("Missing attribute: {:?}", err)})?;
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water_temp_sensor.start_temp_measurement(&mut self.one_wire_bus, &mut delay).map_err(|err| -> anyhow::Error {anyhow!("Missing attribute: {:?}", err)})?;
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ds18b20::Resolution::Bits12.delay_for_measurement_time(&mut delay);
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let sensor_data = water_temp_sensor.read_data(&mut self.one_wire_bus, &mut delay).map_err(|err| -> anyhow::Error {anyhow!("Missing attribute: {:?}", err)})?;
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if sensor_data.temperature == 85_f32 {
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bail!("Ds18b20 dummy temperature returned");
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}
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return Ok(sensor_data.temperature);
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}
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fn tank_sensor_mv(&mut self,) -> Result<u16> {
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let delay = Delay::new_default();
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self.tank_power.set_high()?;
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//let stabilize
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delay.delay_ms(100);
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let value = self.tank_driver.read(&mut self.tank_channel)?;
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self.tank_power.set_low()?;
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return Ok(value);
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}
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fn set_low_voltage_in_cycle(&mut self,) {
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*self.low_voltage_detected.get_mut().unwrap() = true;
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}
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fn clear_low_voltage_in_cycle(&mut self,) {
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*self.low_voltage_detected.get_mut().unwrap() = false;
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}
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fn light(&mut self,enable:bool) -> Result<()>{
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self.light.set_state(enable.into())?;
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Ok(())
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}
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fn pump(&self,plant:usize, enable:bool) -> Result<()> {
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let index = plant*PINS_PER_PLANT*PLANT_PUMP_OFFSET;
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//currently infailable error, keep for future as result anyway
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self.shift_register.decompose()[index].set_state(enable.into()).unwrap();
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Ok(())
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}
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fn last_pump_time(&self,plant:usize) -> Result<chrono::DateTime<Utc>> {
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let ts = unsafe { LAST_WATERING_TIMESTAMP }[plant];
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let timestamp = NaiveDateTime::from_timestamp_millis(ts).ok_or(anyhow!("could not convert timestamp"))?;
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return Ok(DateTime::<Utc>::from_naive_utc_and_offset(timestamp, Utc));
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}
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fn store_last_pump_time(&mut self,plant:usize, time: chrono::DateTime<Utc>) {
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self.last_watering_timestamp.get_mut().unwrap()[plant] = time.timestamp_millis();
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}
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fn store_consecutive_pump_count(&mut self,plant:usize, count:u32) {
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self.consecutive_watering_plant.get_mut().unwrap()[plant] = count;
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}
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fn consecutive_pump_count(&mut self,plant:usize) -> u32 {
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return self.consecutive_watering_plant.get_mut().unwrap()[plant]
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}
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fn fault(&self,plant:usize, enable:bool) {
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let index = plant*PINS_PER_PLANT*PLANT_FAULT_OFFSET;
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self.shift_register.decompose()[index].set_state(enable.into()).unwrap()
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}
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fn low_voltage_in_cycle(&mut self) -> bool {
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return *self.low_voltage_detected.get_mut().unwrap()
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}
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fn any_pump(&mut self, enable:bool) -> Result<()> {
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return Ok(self.main_pump.set_state(enable.into()).unwrap());
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}
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fn time(&mut self) -> Result<chrono::DateTime<Utc>> {
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let time = EspSystemTime{}.now().as_millis();
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let smaller_time = time as i64;
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let local_time = NaiveDateTime::from_timestamp_millis(smaller_time).ok_or(anyhow!("could not convert timestamp"))?;
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return Ok(local_time.and_utc());
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}
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fn sntp(&mut self, max_wait_ms:u32) -> Result<chrono::DateTime<Utc>> {
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let sntp = sntp::EspSntp::new_default()?;
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let mut counter = 0;
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while sntp.get_sync_status() != SyncStatus::Completed{
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let delay = Delay::new_default();
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delay.delay_ms(100);
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counter += 100;
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if counter > max_wait_ms {
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bail!("Reached sntp timeout, aborting")
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}
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}
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return self.time();
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}
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fn measure_moisture_hz(&self, plant:usize, sensor:Sensor) -> Result<i32> {
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self.signal_counter.counter_pause()?;
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self.signal_counter.counter_clear()?;
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//
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let offset = match sensor {
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Sensor::A => PLANT_MOIST_A_OFFSET,
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Sensor::B => PLANT_MOIST_B_OFFSET,
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Sensor::PUMP => PLANT_MOIST_PUMP_OFFSET,
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};
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let index = plant*PINS_PER_PLANT*offset;
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let delay = Delay::new_default();
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let measurement = 100;
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let factor = 1000/100;
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self.shift_register.decompose()[index].set_high().unwrap();
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//give some time to stabilize
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delay.delay_ms(10);
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self.signal_counter.counter_resume()?;
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delay.delay_ms(measurement);
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self.signal_counter.counter_pause()?;
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self.shift_register.decompose()[index].set_low().unwrap();
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let unscaled = self.signal_counter.get_counter_value()? as i32;
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return Ok(unscaled*factor);
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}
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fn general_fault(&mut self, enable:bool) {
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self.general_fault.set_state(enable.into()).unwrap();
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}
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fn wifi(&mut self, ssid:&str, password:Option<&str>,max_wait:u32) -> Result<()> {
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match password{
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Some(pw) => {
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//TODO expect error due to invalid pw or similar! //call this during configuration and check if works, revert to config mode if not
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self.wifi_driver.set_configuration(&Configuration::Client(ClientConfiguration{
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ssid: ssid.into(),
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password: pw.into(),
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..Default::default()
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}))?;
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},
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None => {
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self.wifi_driver.set_configuration(&Configuration::Client(ClientConfiguration {
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ssid: ssid.into(),
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auth_method: AuthMethod::None,
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..Default::default()
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})).unwrap();
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},
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}
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self.wifi_driver.start().unwrap();
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self.wifi_driver.connect().unwrap();
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let delay = Delay::new_default();
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let mut counter = 0_u32;
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while !self.wifi_driver.is_connected().unwrap(){
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let config = self.wifi_driver.get_configuration().unwrap();
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println!("Waiting for station {:?}", config);
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//TODO blink status?
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delay.delay_ms(250);
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counter += 250;
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if counter > max_wait {
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//ignore these errors, wifi will not be used this
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self.wifi_driver.disconnect().unwrap_or(());
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self.wifi_driver.stop().unwrap_or(());
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bail!("Did not manage wifi connection within timeout");
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}
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}
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println!("Should be connected now");
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let address = self.wifi_driver.sta_netif().get_ip_info().unwrap();
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println!("IP info: {:?}", address);
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return Ok(());
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}
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}
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