light_sensor

example/src/main.rs

@@ -9,6 +9,7 @@ fn main() {
     writeln!(UART, "Hello from Rust\r").unwrap();
     
     let display = Display::open();
+    let light = LightSensor::start();
     for t in 0..Display::W {
         display.clear(Color::yellow());
         display.print(160 - t, 10, b"Hello Rust\0", Color::white(), Color::black());
@@ -29,6 +30,7 @@ fn main() {
         if b.right_top() {
             display.print(80, 30, b"Reset\0", Color::red(), Color::black());
         }
+        writeln!(UART, "Light: {:?}\r", light.get());
         
         display.update();
     }

l0dable/src/lib.rs

@@ -67,9 +67,10 @@ mod display;
 pub use display::{Display, Color, LineStyle};
 mod buttons;
 pub use buttons::Buttons;
-
 pub mod uart;
 pub const UART: uart::Uart = uart::Uart;
+mod light_sensor;
+pub use light_sensor::LightSensor;
 
 pub fn exit(ret: i32) -> ! {
     unsafe {

l0dable/src/light_sensor.rs

+use super::bindings::*;
+
+pub struct LightSensor;
+
+impl LightSensor {
+    pub fn start() -> Self {
+        if unsafe { epic_light_sensor_run() } != 0 {
+            panic!("Cannot start light sensor");
+        }
+        LightSensor
+    }
+
+    pub fn get(&self) -> Option<u16> {
+        let mut result = 0;
+        if unsafe { epic_light_sensor_get(&mut result) } == 0 {
+            Some(result)
+        } else {
+            None
+        }
+    }
+}
+
+impl Drop for LightSensor {
+    fn drop(&mut self) {
+        unsafe { epic_light_sensor_stop(); }
+    }
+}