feat: Ported robotic arm

lib/communication/science_lab.dart

@@ -397,4 +397,44 @@ class ScienceLab {
       logger.e(e);
     }
   }
+
+  Future<void> servo4(
+      double angle1, double angle2, double angle3, double angle4) async {
+    const int period = 10000;
+    const int base = 750;
+    const int range = 1900;
+    const int params = (1 << 5) | 2;
+
+    try {
+      mPacketHandler.sendByte(mCommandsProto.wavegen);
+
+      mPacketHandler.sendByte(mCommandsProto.sqr4);
+
+      mPacketHandler.sendInt(period);
+
+      int pulse1 = base + (angle1 * range ~/ 180);
+      mPacketHandler.sendInt(pulse1);
+
+      mPacketHandler.sendInt(0);
+
+      int pulse2 = base + (angle2 * range ~/ 180);
+      mPacketHandler.sendInt(pulse2);
+
+      mPacketHandler.sendInt(0);
+
+      int pulse3 = base + (angle3 * range ~/ 180);
+      mPacketHandler.sendInt(pulse3);
+
+      mPacketHandler.sendInt(0);
+
+      int pulse4 = base + (angle4 * range ~/ 180);
+      mPacketHandler.sendInt(pulse4);
+
+      mPacketHandler.sendByte(params);
+
+      await mPacketHandler.getAcknowledgement();
+    } catch (e) {
+      logger.e("Error in servo4(): $e");
+    }
+  }
 }

lib/constants.dart

@@ -144,3 +144,24 @@ String maxValue = 'Max: ';
 String gyroscopeTitle = "Gyroscope";
 String gyroscopeAxisLabel = 'rad/s';
 String noData = 'No data available';
+String degreeSymbol = '°';
+String enterAngleRange = 'Enter angle (0 - 360)';
+String errorCannotBeEmpty = 'Cannot be empty';
+String servoValidNumberRange = 'Please enter a valid number between 0 and 360';
+String ok = 'Ok';
+String roboticArm = 'Robotic Arm';
+String play = 'Play';
+String pause = 'Pause';
+String stop = 'Stop';
+String controls = 'Controls';
+String saveData = 'Save Data';
+String showGuide = 'Show Guide';
+String showLoggedDataKey = 'show_logged_data';
+String showLoggedData = 'Show Logged Data';
+String setAngle = 'Set angle for Servo';
+List<String> servoLabels = [
+  'Servo 1',
+  'Servo 2',
+  'Servo 3',
+  'Servo 4',
+];

lib/main.dart

@@ -8,6 +8,7 @@ import 'package:pslab/view/faq_screen.dart';
 import 'package:pslab/view/gyroscope_screen.dart';
 import 'package:pslab/view/instruments_screen.dart';
 import 'package:pslab/view/oscilloscope_screen.dart';
+import 'package:pslab/view/robotic_arm_screen.dart';
 import 'package:pslab/view/settings_screen.dart';
 import 'package:pslab/view/about_us_screen.dart';
 import 'package:pslab/view/software_licenses_screen.dart';
@@ -53,6 +54,7 @@ class MyApp extends StatelessWidget {
         '/softwareLicenses': (context) => const SoftwareLicensesScreen(),
         '/accelerometer': (context) => const AccelerometerScreen(),
         '/gyroscope': (context) => const GyroscopeScreen(),
+        '/roboticArm': (context) => const RoboticArmScreen(),
       },
     );
   }

lib/view/instruments_screen.dart

@@ -50,6 +50,18 @@ class _InstrumentsScreenState extends State<InstrumentsScreen> {
           );
         }
         break;
+      case 12:
+        if (Navigator.canPop(context) &&
+            ModalRoute.of(context)?.settings.name == '/roboticArm') {
+          Navigator.popUntil(context, ModalRoute.withName('/roboticArm'));
+        } else {
+          Navigator.pushNamedAndRemoveUntil(
+            context,
+            '/roboticArm',
+            (route) => route.isFirst,
+          );
+        }
+        break;
       default:
         break;
     }