examples: raspberry-pi-thread: Add a thread service example that moni…

…tors position and hold detections on UserLed

examples/raspberry-pi-threads.rs

@@ -1,4 +1,4 @@
-use navigator_rs::Navigator;
+use navigator_rs::{Navigator, UserLed};
 use std::sync::{Arc, Mutex, RwLock};
 use std::thread::{self, sleep};
 use std::time::Duration;
@@ -26,6 +26,26 @@ fn main() {
         }
     });
 
+    // This code block creates a thread that updates the `UserLed` according to its position, based on gravity.
+    // It will keep the LED state on, indicating that the navigator has fully flipped to axes X and Y or turned upside down (Z-axis).
+    // You can use it to also monitor abrupt collisions!
+    let sensor_update_thread_lock = sensor_data_lock.clone();
+    let navigator_lock = nav.clone();
+    let _ = thread::spawn(move || loop {
+        if let Ok(lock) = sensor_update_thread_lock.read() {
+            if lock.accelerometer.x.abs() > 8.00 {
+                navigator_lock.lock().unwrap().set_led(UserLed::Led1, true)
+            };
+            if lock.accelerometer.y.abs() > 8.00 {
+                navigator_lock.lock().unwrap().set_led(UserLed::Led2, true)
+            };
+            if lock.accelerometer.z < -8.00 {
+                navigator_lock.lock().unwrap().set_led(UserLed::Led3, true)
+            };
+        }
+        sleep(Duration::from_millis(10000));
+    });
+
     // This code block could be also other thread, but just run on the main one.
     // This could could work as a server get handler, or a instance that can be used by different services to monitor and analysis.
     loop {