simpler imu

ThomasFarstrike · ThomasFarstrike · commit 9f0768f3df67 · 2025-06-28T08:22:54.000+02:00
diff --git a/internal_filesystem/apps/com.micropythonos.imu/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.micropythonos.imu/META-INF/MANIFEST.JSON
@@ -3,10 +3,10 @@
 "publisher": "MicroPythonOS",
 "short_description": "Inertial Measurement Unit Visualization",
 "long_description": "Visualize data from the Intertial Measurement Unit, also known as the accellerometer.",
-"icon_url": "https://apps.micropythonos.com/apps/com.micropythonos.helloworld/icons/com.micropythonos.imu.0.0.1_64x64.png",
-"download_url": "https://apps.micropythonos.com/apps/com.micropythonos.helloworld/mpks/com.micropythonos.mu.0.0.1.mpk",
+"icon_url": "https://apps.micropythonos.com/apps/com.micropythonos.helloworld/icons/com.micropythonos.imu.0.0.2_64x64.png",
+"download_url": "https://apps.micropythonos.com/apps/com.micropythonos.helloworld/mpks/com.micropythonos.mu.0.0.2.mpk",
 "fullname": "com.micropythonos.imu",
-"version": "0.0.1",
+"version": "0.0.2",
 "category": "hardware",
 "activities": [
     {
diff --git a/internal_filesystem/apps/com.micropythonos.imu/assets/imu.py b/internal_filesystem/apps/com.micropythonos.imu/assets/imu.py
@@ -51,7 +51,9 @@ def onStop(self, screen):
             print("stopping imu refresh_timer")
             self.refresh_timer.delete()
 
-    def map_nonlinear(self, value: float) -> int:
+    def convert_percentage(self, value: float) -> int:
+        return round(50.0 + value)
+        # non-linear mapping isn't really useful so unused:
         # Preserve sign and work with absolute value
         sign = 1 if value >= 0 else -1
         abs_value = abs(value)
@@ -76,9 +78,9 @@ def refresh(self, timer):
             az = self.sensor.acceleration[2]
             azp = int((az * 100 + 100)/2)
             # values between -200 and 200 => /4 becomes -50 and 50 => +50 becomes 0 and 100
-            gx = self.map_nonlinear(self.sensor.gyro[0])
-            gy = self.map_nonlinear(self.sensor.gyro[1])
-            gz = self.map_nonlinear(self.sensor.gyro[2])
+            gx = self.convert_percentage(self.sensor.gyro[0])
+            gy = self.convert_percentage(self.sensor.gyro[1])
+            gz = self.convert_percentage(self.sensor.gyro[2])
             self.templabel.set_text(f"IMU chip temperature: {temp:.2f}&deg;C")
         else:
             #temp = 12.34
