249 lines
8.4 KiB
Rust
249 lines
8.4 KiB
Rust
use std::sync::{Arc, Mutex};
|
|
|
|
use embedded_hal::digital::v2::{OutputPin, PinState};
|
|
use embedded_svc::event_bus::{EventBus, Postbox};
|
|
use esp_idf_hal::gpio::{Gpio6, Output};
|
|
use esp_idf_svc::eventloop::{
|
|
Background, EspBackgroundEventLoop, EspEventFetchData, EspEventLoop, EspEventPostData,
|
|
EspSubscription, EspTypedEventDeserializer, EspTypedEventSerializer, EspTypedEventSource, User,
|
|
};
|
|
use esp_idf_sys::c_types;
|
|
use log::{info, warn};
|
|
use serde_json::json;
|
|
|
|
use crate::{voltage_detection::VoltageDetectionWorker, VOLTAGE_EVENTLOOP};
|
|
|
|
const WAITING_OFF_SECONDS: u8 = 60;
|
|
|
|
pub static mut DC_OUT_STATE_EVENT_LOOP: Option<
|
|
EspEventLoop<esp_idf_svc::eventloop::User<Background>>,
|
|
> = None;
|
|
static mut INSTANCE: Option<DcOutController> = None;
|
|
|
|
#[derive(Debug, Clone, Copy, PartialEq)]
|
|
pub enum DcOutStatus {
|
|
WaitingOn(u8),
|
|
On,
|
|
Off,
|
|
WaitingOff,
|
|
TurningOff(u8),
|
|
}
|
|
|
|
#[derive(Debug, Clone, Copy)]
|
|
pub struct DcOutControllerState {
|
|
pub status: DcOutStatus,
|
|
pub pin_state: PinState,
|
|
}
|
|
|
|
impl DcOutControllerState {
|
|
pub fn new() -> Self {
|
|
Self {
|
|
status: DcOutStatus::On,
|
|
pin_state: PinState::Low,
|
|
}
|
|
}
|
|
|
|
fn handle_adapter_down(&mut self) {
|
|
info!("status: {:?}", self);
|
|
match self.status {
|
|
DcOutStatus::On => {
|
|
self.status = DcOutStatus::WaitingOff;
|
|
}
|
|
DcOutStatus::WaitingOn(_) => {
|
|
self.status = DcOutStatus::Off;
|
|
}
|
|
DcOutStatus::TurningOff(seconds) => {
|
|
let seconds = seconds - 1;
|
|
if seconds > 0 {
|
|
self.status = DcOutStatus::TurningOff(seconds);
|
|
} else {
|
|
self.status = DcOutStatus::Off;
|
|
}
|
|
}
|
|
_ => {}
|
|
};
|
|
}
|
|
|
|
fn turn_off(&mut self) {
|
|
match self.status {
|
|
DcOutStatus::On => {
|
|
self.status = DcOutStatus::TurningOff(WAITING_OFF_SECONDS);
|
|
}
|
|
DcOutStatus::WaitingOff => {
|
|
self.status = DcOutStatus::TurningOff(WAITING_OFF_SECONDS);
|
|
}
|
|
DcOutStatus::WaitingOn(_) => {
|
|
self.status = DcOutStatus::Off;
|
|
}
|
|
DcOutStatus::TurningOff(seconds) => {
|
|
let seconds = seconds - 1;
|
|
if seconds > 0 {
|
|
self.status = DcOutStatus::TurningOff(seconds);
|
|
} else {
|
|
self.status = DcOutStatus::Off;
|
|
}
|
|
}
|
|
_ => {}
|
|
};
|
|
}
|
|
|
|
fn turn_on(&mut self) {
|
|
match self.status {
|
|
DcOutStatus::WaitingOff => {
|
|
self.status = DcOutStatus::On;
|
|
}
|
|
DcOutStatus::Off => {
|
|
self.status = DcOutStatus::WaitingOn(WAITING_OFF_SECONDS);
|
|
}
|
|
DcOutStatus::WaitingOn(seconds) => {
|
|
let seconds = seconds - 1;
|
|
if seconds > 0 {
|
|
self.status = DcOutStatus::WaitingOn(seconds);
|
|
} else {
|
|
self.status = DcOutStatus::On;
|
|
}
|
|
}
|
|
DcOutStatus::TurningOff(seconds) => {
|
|
let seconds = seconds - 1;
|
|
if seconds > 0 {
|
|
self.status = DcOutStatus::TurningOff(seconds);
|
|
} else {
|
|
self.status = DcOutStatus::On;
|
|
}
|
|
}
|
|
_ => {}
|
|
};
|
|
}
|
|
|
|
pub fn to_json(&self) -> String {
|
|
let status = match self.status {
|
|
DcOutStatus::WaitingOn(_) => "WaitingOn",
|
|
DcOutStatus::On => "On",
|
|
DcOutStatus::Off => "Off",
|
|
DcOutStatus::WaitingOff => "WaitingOff",
|
|
DcOutStatus::TurningOff(_) => "TurningOff",
|
|
};
|
|
let pin_state = match self.pin_state {
|
|
PinState::Low => "Low",
|
|
PinState::High => "High",
|
|
};
|
|
let seconds: i16 = match self.status {
|
|
DcOutStatus::WaitingOn(seconds) => seconds.into(),
|
|
DcOutStatus::TurningOff(seconds) => seconds.into(),
|
|
_ => -1,
|
|
};
|
|
json!({ "status": status, "pin_state": pin_state, "seconds": seconds })
|
|
.to_string()
|
|
}
|
|
}
|
|
|
|
impl EspTypedEventSource for DcOutControllerState {
|
|
fn source() -> *const c_types::c_char {
|
|
b"VOLTAGES\0".as_ptr() as *const _
|
|
}
|
|
}
|
|
|
|
impl EspTypedEventSerializer<DcOutControllerState> for DcOutControllerState {
|
|
fn serialize<R>(
|
|
event: &DcOutControllerState,
|
|
f: impl for<'a> FnOnce(&'a EspEventPostData) -> R,
|
|
) -> R {
|
|
f(&unsafe { EspEventPostData::new(Self::source(), Self::event_id(), event) })
|
|
}
|
|
}
|
|
|
|
impl EspTypedEventDeserializer<DcOutControllerState> for DcOutControllerState {
|
|
fn deserialize<R>(
|
|
data: &EspEventFetchData,
|
|
f: &mut impl for<'a> FnMut(&'a DcOutControllerState) -> R,
|
|
) -> R {
|
|
f(unsafe { data.as_payload() })
|
|
}
|
|
}
|
|
|
|
pub struct DcOutController {
|
|
pub state: DcOutControllerState,
|
|
voltage_subscription: Option<EspSubscription<User<Background>>>,
|
|
}
|
|
|
|
impl DcOutController {
|
|
fn new() -> Self {
|
|
Self {
|
|
state: DcOutControllerState::new(),
|
|
voltage_subscription: None,
|
|
}
|
|
}
|
|
|
|
pub fn get_instance() -> anyhow::Result<Self> {
|
|
// if let Some(instance) = unsafe { &mut INSTANCE } {
|
|
// anyhow::Ok(*instance)
|
|
// } else {
|
|
let instance = Self::new();
|
|
// unsafe { INSTANCE = Some(instance) };
|
|
match EspBackgroundEventLoop::new(&Default::default()) {
|
|
Ok(eventloop) => unsafe { DC_OUT_STATE_EVENT_LOOP = Some(eventloop) },
|
|
Err(err) => anyhow::bail!("Init Event Loop failed. {:?}", err),
|
|
}
|
|
anyhow::Ok(instance)
|
|
// }
|
|
}
|
|
|
|
pub fn watch(&mut self) -> anyhow::Result<()> {
|
|
let state = Arc::new(Mutex::new(self.state));
|
|
|
|
if let Some(event_loop) = unsafe { VOLTAGE_EVENTLOOP.as_mut() } {
|
|
let voltage_subscription = event_loop
|
|
.subscribe(
|
|
move |obj: &VoltageDetectionWorker| match state.lock().as_mut() {
|
|
Ok(state) => {
|
|
if obj.adapter_voltage < 1000 {
|
|
if obj.battery_voltage < 1000 {
|
|
state.turn_off();
|
|
} else {
|
|
state.handle_adapter_down();
|
|
}
|
|
} else {
|
|
state.turn_on();
|
|
}
|
|
let ref state = **state;
|
|
if let Err(err) = Self::output_ctl(*state) {
|
|
warn!("Put Control Pin State Failed. {}", err);
|
|
}
|
|
|
|
if let Some(event_loop) = unsafe { DC_OUT_STATE_EVENT_LOOP.as_mut() } {
|
|
if let Err(err) = event_loop.post(state, None) {
|
|
warn!("Post DC Out Status Failed. {}", err);
|
|
}
|
|
} else {
|
|
warn!("DC_OUT_STATE_EVENT_LOOP is None");
|
|
}
|
|
info!("status: {:?}", state);
|
|
}
|
|
Err(err) => warn!("Can not lock state. {}", err),
|
|
},
|
|
)
|
|
.map_err(|err| anyhow::anyhow!("Subscribe Voltage Failed. {}", err))?;
|
|
self.voltage_subscription = Some(voltage_subscription);
|
|
} else {
|
|
anyhow::bail!("Voltage Event Loop is None");
|
|
}
|
|
anyhow::Ok(())
|
|
}
|
|
fn output_ctl(mut state: DcOutControllerState) -> anyhow::Result<()> {
|
|
let mut pin = unsafe { Gpio6::<Output>::new() }
|
|
.into_output()
|
|
.map_err(|err| anyhow::anyhow!("Make Gpio6 Into output Failed. {}", err))?;
|
|
|
|
if DcOutStatus::Off == state.status && state.pin_state == PinState::Low {
|
|
pin.set_high()
|
|
.map_err(|err| anyhow::anyhow!("Set DC Output Control Pin High Failed. {}", err))?;
|
|
state.pin_state = PinState::High;
|
|
} else if DcOutStatus::On == state.status && state.pin_state == PinState::High {
|
|
pin.set_low()
|
|
.map_err(|err| anyhow::anyhow!("Set DC Output Control Pin Low Failed. {}", err))?;
|
|
state.pin_state = PinState::Low;
|
|
}
|
|
return anyhow::Ok(());
|
|
}
|
|
}
|