sphinx-key: timeout sntp setup and restart

sphinx-key/src/conn/sntp.rs

@@ -1,16 +1,21 @@
+use anyhow::{anyhow, Result};
 use esp_idf_svc::sntp::EspSntp;
 use esp_idf_svc::sntp::SyncStatus::Completed;
 use std::thread;
 use std::time::Duration;
 
-pub fn sync_time() {
+pub fn sync_time_timeout() -> Result<()> {
-    let sntp = EspSntp::new_default().unwrap();
+    let mut counter = 0;
+    let sntp = EspSntp::new_default()?;
     loop {
         let status = sntp.get_sync_status();
         println!("SNTP status {:?}", status);
         if status == Completed {
-            break;
+            break Ok(());
+        } else if counter == 30 {
+            break Err(anyhow!("SNTP setup timed out"));
         }
+        counter = counter + 1;
         thread::sleep(Duration::from_secs(1));
     }
 }

sphinx-key/src/main.rs

@@ -87,7 +87,11 @@ fn main() -> Result<()> {
         };
 
         led_tx.send(Status::SyncingTime).unwrap();
-        conn::sntp::sync_time();
+        if let Err(e) = conn::sntp::sync_time_timeout() {
+            log::error!("Could not setup sntp: {}", e);
+            log::info!("Restarting esp!");
+            unsafe { esp_idf_sys::esp_restart() };
+        }
         let now = SystemTime::now()
             .duration_since(SystemTime::UNIX_EPOCH)
             .unwrap();