more changes and linking

rust/src/hal/esp.rs

@@ -13,7 +13,7 @@ use alloc::{
 use core::marker::PhantomData;
 use core::net::IpAddr;
 use core::str::FromStr;
-use embassy_time::Timer;
+use embassy_time::{Instant, Timer};
 
 #[link_section = ".rtc.data"]
 static mut LAST_WATERING_TIMESTAMP: [i64; PLANT_COUNT] = [0; PLANT_COUNT];
@@ -53,6 +53,7 @@ pub struct MqttClient<'a> {
 pub struct Esp<'a> {
     pub(crate) mqtt_client: Option<MqttClient<'a>>,
     pub(crate) dummy: PhantomData<&'a ()>,
+    pub(crate) wall_clock_offset: u64
     //pub(crate) wifi_driver: EspWifi<'a>,
     //pub(crate) boot_button: PinDriver<'a, esp_idf_hal::gpio::AnyIOPin, esp_idf_hal::gpio::Input>,
 }
@@ -87,13 +88,9 @@ impl Esp<'_> {
         //self.time()
         todo!();
     }
-    pub(crate) fn time(&mut self) -> anyhow::Result<DateTime<Utc>> {
-        bail!("todo");
-        // let time = EspSystemTime {}.now().as_millis();
-        // let smaller_time = time as i64;
-        // let local_time = DateTime::from_timestamp_millis(smaller_time)
-        //     .ok_or(anyhow!("could not convert timestamp"))?;
-        // anyhow::Ok(local_time)
+    pub(crate) fn time(&mut self) -> DateTime<Utc> {
+        let wall_clock = Instant::now().as_millis() + self.wall_clock_offset;
+        DateTime::from_timestamp_millis(wall_clock as i64).unwrap()
     }
 
     pub(crate) async fn wifi_scan(&mut self) -> anyhow::Result<Vec<AccessPointInfo>> {