Initial commit for rewrite

src/temperature.rs

@@ -0,0 +1,21 @@
+use std::fs;
+use std::io;
+
+pub struct TemperatureMonitor {
+    temp_path: String,
+}
+
+impl TemperatureMonitor {
+    pub fn new(temp_path: String) -> Self {
+        TemperatureMonitor { temp_path }
+    }
+
+    pub fn read_celsius(&self) -> Result<f32, io::Error> {
+        let temp_str = fs::read_to_string(&self.temp_path)?;
+        let temp_millicelsius = temp_str.trim().parse::<u32>()
+            .map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+
+        // Convert millidegrees to degrees
+        Ok(temp_millicelsius as f32 / 1000.0)
+    }
+}