Add project files.

HWAccessories/TestTube.cs

@@ -0,0 +1,88 @@
+using Newtonsoft.Json;
+
+namespace AiQ_GUI
+{
+    internal class TestTube
+    {
+        public static string TTPiPicoIP = "";
+
+        // Gets the API JSON from the Test Tube Pi Pico
+        public static async Task<TestTubeAPI> GetAPI()
+        {
+            string url = $"http://{TTPiPicoIP}/api";
+
+            try
+            {
+                using CancellationTokenSource cts = new CancellationTokenSource(2000);
+                string JSON = await Network.Client.GetStringAsync(url, cts.Token);
+
+                TestTubeAPI? result = JsonConvert.DeserializeObject<TestTubeAPI>(JSON);
+
+                if (result == null)
+                {
+                    MainForm.Instance.AddToActionsList("JSON deserialization from test tube returned null");
+                    return new TestTubeAPI();
+                }
+                return result;
+
+            }
+            catch (TaskCanceledException)
+            {
+                MainForm.Instance.AddToActionsList($"Timeout calling {url} after 2s.");
+                return new TestTubeAPI();
+            }
+            catch (Exception ex)
+            {
+                MainForm.Instance.AddToActionsList($"Error in GetAPI: {ex.Message}");
+                return new TestTubeAPI();
+            }
+        }
+
+        // Sets LED's to medium or safe depending on whether the switch is pressed down or not
+        public static async Task<bool> CheckInTestTube(string CamIP)
+        {
+            if (await InTestTube()) // Switch pressed down
+            {
+                string LEDreply = await FlexiAPI.APIHTTPLED(CamIP, LEDPOWER.MID); // Set LED's to medium (0x30)
+
+                if (!LEDreply.Contains("Power levels set successfully"))
+                    MainForm.Instance.AddToActionsList($"LED level could not be set: {LEDreply}");
+
+                return true;
+            }
+            else
+            {
+                string LEDreply = await FlexiAPI.APIHTTPLED(CamIP, LEDPOWER.SAFE); // Set LED's to safe (0x0E)
+
+                if (!LEDreply.Contains("Power levels set successfully"))
+                    MainForm.Instance.AddToActionsList($"LED level could not be set: {LEDreply}");
+
+                await MainForm.Instance.DisplayOK("Please put camera in test tube then click OK"); // Awaited till OK has been clicked
+                return await InTestTube(); // Check again after user says they have put it in the test tube 
+            }
+        }
+
+        // Checks whether the TestTube has the switch presses down or not
+        public async static Task<bool> InTestTube()
+        {
+            TestTubeAPI TTAPI = await GetAPI();
+
+            try
+            {
+                if (TTAPI.Switch[0] == true) // Switch not pressed down
+                    return true;
+            }
+            catch (Exception ex)
+            {
+                MainForm.Instance.AddToActionsList($"Error checking Test Tube switch state: {ex.Message}");
+            }
+
+            return false;
+        }
+    }
+
+    public class TestTubeAPI
+    {
+        public List<bool> Switch { get; set; } = [];
+    }
+}