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Wifi sleep

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This commit is contained in:
zenonet
2026-02-20 08:34:26 +01:00
parent b11b91c77d
commit 1ee079736f
1 changed files with 40 additions and 24 deletions
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64
src/main.rs
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@@ -30,7 +30,7 @@ use esp_idf_svc::{
nvs::EspDefaultNvsPartition,
wifi::Configuration,
};
use esp_idf_sys::esp_deep_sleep;
use esp_idf_sys::{esp_deep_sleep, esp_deep_sleep_wake_stub_fn_t};
use u8g2_fonts::U8g2TextStyle;
use untis::{Date, Lesson, LessonCode};
use embedded_layout::{layout::linear::{spacing::DistributeFill, FixedMargin, LinearLayout}, prelude::*};
@@ -46,6 +46,8 @@ static mut FETCHING_FAIL_COUNT: Option<NonZeroU16> = None;
#[unsafe(link_section = ".rtc.data")]
static mut ERROR_MSG: Option<[u8; 2048]> = None;
static mut WEEK_OFFSET: i32 = 0;
fn main() -> anyhow::Result<()> {
// It is necessary to call this function once. Otherwise some patches to the runtime
// implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71
@@ -57,16 +59,12 @@ fn main() -> anyhow::Result<()> {
log::info!("Took peripherals");
let busy = PinDriver::input(peripherals.pins.gpio17).unwrap();
let rst = PinDriver::output(peripherals.pins.gpio16).unwrap();
let cs = peripherals.pins.gpio5;
let clk = peripherals.pins.gpio18;
let mosi = peripherals.pins.gpio23;
let miso = peripherals.pins.gpio19; // aka. dc
let dc = PinDriver::output(miso).unwrap();
let mut creds = include_str!("../wifi-creds.txt").split('\n');
let ssid: heapless::String<32> =
heapless::String::<32>::from_str(creds.next().unwrap()).unwrap();
let password: heapless::String<64> =
heapless::String::<64>::from_str(creds.next().unwrap()).unwrap();
std::panic::set_hook(Box::new(|panic|{
let msg: String = format!("{}", panic);/* if let Some(s) = panic.payload().downcast_ref::<&str>() {
format!("{s:?}")
@@ -92,6 +90,15 @@ fn main() -> anyhow::Result<()> {
}));
let busy = PinDriver::input(peripherals.pins.gpio17).unwrap();
let rst = PinDriver::output(peripherals.pins.gpio16).unwrap();
let cs = peripherals.pins.gpio5;
let clk = peripherals.pins.gpio18;
let mosi = peripherals.pins.gpio23;
let miso = peripherals.pins.gpio19; // aka. dc
let dc = PinDriver::output(miso).unwrap();
log::info!("Initialized pins");
let config = config::Config::new();
@@ -153,15 +160,13 @@ fn main() -> anyhow::Result<()> {
}
}
let mut creds = include_str!("../wifi-creds.txt").split('\n');
let ssid: heapless::String<32> =
heapless::String::<32>::from_str(creds.next().unwrap()).unwrap();
let password: heapless::String<64> =
heapless::String::<64>::from_str(creds.next().unwrap()).unwrap();
// Connecting to wifi
let sysloop = EspSystemEventLoop::take()?;
let nvs = EspDefaultNvsPartition::take()?;
let mut wifi = BlockingWifi::wrap(
EspWifi::new(peripherals.modem, sysloop.clone(), Some(nvs))?,
sysloop.clone(),
@@ -176,10 +181,18 @@ fn main() -> anyhow::Result<()> {
},
))?;
wifi.start()
.and_then(|_| wifi.connect())
.and_then(|_| wifi.wait_netif_up())
.and_then(|_| loop {if wifi.is_connected().unwrap() {break Ok(());}})?;
fn err() -> !{
println!("No wifi available. Sleeping for 5 minutes");
unsafe{
// retry in 5 minutes
esp_deep_sleep(5*60*1000_000)
}
}
wifi.start().unwrap_or_else(|_| err());
wifi.connect().unwrap_or_else(|_| err());
wifi.wait_netif_up().unwrap_or_else(|_| err());
loop {if wifi.is_connected().unwrap_or_else(|_| err()) {break;}};
unsafe {
FETCHING_FAIL_COUNT = None;
@@ -197,6 +210,9 @@ fn main() -> anyhow::Result<()> {
*writer.write().unwrap() = Some(Command::Timetable);
unsafe{
WEEK_OFFSET = request.header("week").and_then(|w| w.parse::<i32>().ok()).unwrap_or_default();
}
// Retrieve html String
let html = String::from("OK");
@@ -550,10 +566,10 @@ fn fetch_timetable(client: EspHttpConnection) -> anyhow::Result<(Box<Timetable>,
password,
client
).or_else(|e| None.context(format!("{:?}", e)))?;
let cest = chrono::FixedOffset::east_opt(2 * 3600).unwrap();
let now = s.date().context("Untis client provided no time but time is necessary for the requesting the timetable")?.with_timezone(&cest);
let cet = chrono::FixedOffset::east_opt(1 * 3600).unwrap();
let now = s.date().context("Untis client provided no time but time is necessary for the requesting the timetable")?.with_timezone(&cet);
println!("Current time: {}", now);
let date = now.date_naive().checked_add_days(Days::new(2)).unwrap();
let date = now.date_naive().checked_add_days(Days::new(2)).unwrap().checked_add_signed(TimeDelta::weeks(unsafe { WEEK_OFFSET } as i64 )).unwrap();
let lessons = s.own_timetable_for_week(&Date(date)).or_else(|e| None.context(format!("{:?}", e)))?;
Ok((transform_lessons(lessons), now))