add fan RPM

spotiplayer_pi/main.py

@@ -19,6 +19,22 @@ from spotiplayer_pi.api import Api
 from spotiplayer_pi.cmap import cmap, cmap2
 
 
+def get_fan_rpm():
+    try:
+        return int(
+            subprocess.run(
+                "cat /sys/devices/platform/cooling_fan/hwmon/*/fan1_input",
+                capture_output=True,
+                text=True,
+                check=True,
+                shell=True,
+            ).stdout.strip()
+        )
+    except (subprocess.CalledProcessError, IndexError, ValueError) as e:
+        warnings.warn(f"Error getting fan RPM: {e}")
+        return None
+
+
 def get_cpu_temp():
     try:
         return float(
@@ -216,6 +232,11 @@ async def display_loop(api: Api, cfg: Dict):
                 draw.text((time_x, 30), time_text, font=Font3, fill=(255, 255, 255))
                 draw.text((date_x, 78), date_text, font=Font2, fill=(255, 255, 255))
 
+                # Draw fan speed
+                fan_rpms = get_fan_rpm()
+                fan_text = f"RPM: {fan_rpms}"
+                draw.text((1, 225), fan_text, font=Font0, fill=(255, 255, 255))
+
                 d.ShowImage(not_playing_img)
                 if current_mode != 0:
                     current_mode = 0