added mapping file for all usable gpio pins, added helper class to get gpio mappings

Author: felixholfelder

helper/GpioHelper.py

@@ -0,0 +1,35 @@
+import json
+
+from helper.Constants import Constants
+
+c = Constants()
+
+
+class GpioHelper:
+    GPIO_SETTINGS_PATH = f"{c.settings_path()}/gpio-pin-mapping.json"
+
+    def get_mappings(self) -> dict:
+        with open(self.GPIO_SETTINGS_PATH) as file:
+            data = json.load(file)
+            return data
+
+    def rotary_volume_up(self) -> int:
+        return self.get_mappings()["ROTARY_VOLUME_UP"]
+
+    def rotary_volume_down(self) -> int:
+        return self.get_mappings()["ROTARY_VOLUME_DOWN"]
+
+    def rotary_volume_press(self) -> int:
+        return self.get_mappings()["ROTARY_VOLUME_PRESS"]
+
+    def rotary_bass_up(self) -> int:
+        return self.get_mappings()["ROTARY_BASS_UP"]
+
+    def rotary_bass_down(self) -> int:
+        return self.get_mappings()["ROTARY_BASS_DOWN"]
+
+    def rotary_pitch_up(self) -> int:
+        return self.get_mappings()["ROTARY_PITCH_UP"]
+
+    def rotary_pitch_down(self) -> int:
+        return self.get_mappings()["ROTARY_PITCH_DOWN"]

settings/gpio-pin-mapping.json

@@ -0,0 +1,10 @@
+{
+  "ROTARY_VOLUME_UP": 6,
+  "ROTARY_VOLUME_DOWN": 12,
+  "ROTARY_VOLUME_PRESS": 13,
+  "ROTARY_BASS_UP": 4,
+  "ROTARY_BASS_DOWN": 14,
+  "ROTARY_PITCH_UP": 11,
+  "ROTARY_PITCH_DOWN": 8,
+  "START_PARTY_MODE_BUTTON": 21
+}