initial implementation of thermometer

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

Let's merge this and move forward with improvements.

changes

Author: Yugesh-Kumar-S

lib/communication/science_lab.dart

@@ -415,39 +415,39 @@ class ScienceLab {
   }
 
   Future<void> servo4(
-      double angle1, double angle2, double angle3, double angle4) async {
-    const int period = 10000;
+    double? angle1,
+    double? angle2,
+    double? angle3,
+    double? angle4, {
+    int maxAngle = 180,
+    int frequency = 50,
+  }) async {
+    final int period = (1000000 ~/ frequency);
     const int base = 750;
-    const int range = 1900;
+    final int range = maxAngle == 360 ? 3800 : 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(angle1 != null ? base + (angle1 * range ~/ maxAngle) : -1);
       mPacketHandler.sendInt(0);
 
-      int pulse2 = base + (angle2 * range ~/ 180);
-      mPacketHandler.sendInt(pulse2);
-
+      mPacketHandler
+          .sendInt(angle2 != null ? base + (angle2 * range ~/ maxAngle) : -1);
       mPacketHandler.sendInt(0);
 
-      int pulse3 = base + (angle3 * range ~/ 180);
-      mPacketHandler.sendInt(pulse3);
-
+      mPacketHandler
+          .sendInt(angle3 != null ? base + (angle3 * range ~/ maxAngle) : -1);
       mPacketHandler.sendInt(0);
 
-      int pulse4 = base + (angle4 * range ~/ 180);
-      mPacketHandler.sendInt(pulse4);
+      mPacketHandler
+          .sendInt(angle4 != null ? base + (angle4 * range ~/ maxAngle) : -1);
 
       mPacketHandler.sendByte(params);
-
       await mPacketHandler.getAcknowledgement();
     } catch (e) {
       logger.e("Error in servo4(): $e");

lib/constants.dart

@@ -259,6 +259,40 @@ String soundMeterError = 'Sound sensor error:';
 String soundMeterInitialError = 'Sound sensor initialization error:';
 String db = 'dB';
 String soundMeterTitle = 'Sound Meter';
+String playBackSummary = 'Playback Summary';
+String servo = 'Servo:';
+String percentage = '%';
+String pwmWaveForm = 'PWM Waveform';
+String close = 'Close';
+String timeMillisecond = 'Time (ms)';
+String low = 'LOW';
+String high = 'HIGH';
+String clearTimelineTitle = 'Clear Timeline?';
+String clearTimelineConfirmation =
+    'Are you sure you want to clear the timeline?';
+String avgAngleLabel = 'Avg Angle';
+String maxAngleLabel = 'Max Angle';
+String minAngleLabel = 'Min Angle';
+String avgDutyLabel = 'Avg Duty';
+String maxDutyLabel = 'Max Duty';
+String minDutyLabel = 'Min Duty';
+String controlsTitle = 'Controls';
+String manualLabel = 'Manual';
+String feedbackLabel = 'Feedback';
+String duration1Min = '1min';
+String duration2Min = '2min';
+String frequency50Hz = '50Hz';
+String frequency100Hz = '100Hz';
+String angle180 = '180';
+String angle360 = '360';
+String angle180Display = '180°';
+String angle360Display = '360°';
+String clear = 'Clear';
+String hzSuffix = 'Hz';
+String clearTimelineTooltip = 'Clear Timeline';
+String manualMode = 'Manual Mode';
+String frequencyChange = 'Stop playback to change frequency.';
+String playBackStop = 'Playback stopped';
 String soundMeterIntro = 'Sound meter Introduction';
 String soundMeterDesc =
     'To measure the loudness in the environment in decibel(dB)';
@@ -301,3 +335,12 @@ String buyPsLabMenu = 'Buy PSLab';
 String faqMenu = 'FAQ';
 String shareAppMenu = 'Share App';
 String privacyPolicyMenu = 'Privacy Policy';
+String thermometerTitle = 'Thermometer';
+String thermometerIntro =
+    'Thermometer instrument is used to measure ambient temperature. It can be measured using inbuilt ambient temperature sensor or through SHT21.';
+String celsius = '°C';
+String temperatureSensorError = 'Temperature sensor error:';
+String temperatureSensorInitialError =
+    'Temperature sensor initialization error:';
+String temperatureSensorUnavailableMessage =
+    'Ambient temperature sensor is not available on this device';

lib/main.dart

@@ -15,6 +15,7 @@ import 'package:pslab/view/about_us_screen.dart';
 import 'package:pslab/view/software_licenses_screen.dart';
 import 'package:pslab/theme/app_theme.dart';
 import 'package:pslab/view/soundmeter_screen.dart';
+import 'package:pslab/view/thermometer_screen.dart';
 import 'constants.dart';
 
 void main() {
@@ -58,6 +59,7 @@ class MyApp extends StatelessWidget {
         '/roboticArm': (context) => const RoboticArmScreen(),
         '/luxmeter': (context) => const LuxMeterScreen(),
         '/soundmeter': (context) => const SoundMeterScreen(),
+        '/thermometer': (context) => const ThermometerScreen(),
       },
     );
   }