From e759eebd6f3573f7f52ce796de83842dfe29442e Mon Sep 17 00:00:00 2001
From: decentclock <decentclock.5uh2k@slmail.me>
Date: Wed, 17 Aug 2022 12:26:47 -0600
Subject: [PATCH] Add sntp, sync the time on startup

---
 sphinx-key/src/conn/mod.rs  |  1 +
 sphinx-key/src/conn/sntp.rs | 13 +++++++++++++
 sphinx-key/src/main.rs      | 10 ++++++++++
 3 files changed, 24 insertions(+)
 create mode 100644 sphinx-key/src/conn/sntp.rs

diff --git a/sphinx-key/src/conn/mod.rs b/sphinx-key/src/conn/mod.rs
index 0ce7cb3..ae2004c 100644
--- a/sphinx-key/src/conn/mod.rs
+++ b/sphinx-key/src/conn/mod.rs
@@ -1,6 +1,7 @@
 pub mod wifi;
 pub mod http;
 pub mod mqtt;
+pub mod sntp;
 mod html;
 
 
diff --git a/sphinx-key/src/conn/sntp.rs b/sphinx-key/src/conn/sntp.rs
new file mode 100644
index 0000000..3f79cf1
--- /dev/null
+++ b/sphinx-key/src/conn/sntp.rs
@@ -0,0 +1,13 @@
+use esp_idf_svc::sntp::EspSntp;
+use esp_idf_svc::sntp::SyncStatus::Completed;
+use std::time::Duration;
+use std::thread;
+
+pub fn sync_time() {
+    let sntp = EspSntp::new_default().unwrap();
+    println!("SNTP initialized");
+    while sntp.get_sync_status() != Completed {
+            println!("Waiting for sntp sync...");
+            thread::sleep(Duration::from_secs(1));
+    }
+}
diff --git a/sphinx-key/src/main.rs b/sphinx-key/src/main.rs
index f88b6c6..5423b52 100644
--- a/sphinx-key/src/main.rs
+++ b/sphinx-key/src/main.rs
@@ -12,6 +12,7 @@ use esp_idf_sys as _; // If using the `binstart` feature of `esp-idf-sys`, alway
 use std::sync::{mpsc, Arc};
 use std::thread;
 use std::time::Duration;
+use std::time::SystemTime;
 
 use embedded_svc::storage::RawStorage;
 use esp_idf_hal::peripherals::Peripherals;
@@ -74,6 +75,15 @@ fn main() -> Result<()> {
             }
         };
 
+        conn::sntp::sync_time();
+        let now = SystemTime::now()
+            .duration_since(SystemTime::UNIX_EPOCH)
+            .unwrap();
+        println!(
+            "Completed the time sync, here is the UNIX time: {}",
+            now.as_secs(),
+        );
+
         led_tx.send(Status::ConnectingToMqtt).unwrap();
         // _conn needs to stay in scope or its dropped
         loop {