From 95ae6220bb693c83b43bc4e343b08be087d81672 Mon Sep 17 00:00:00 2001
From: Filip Strajnar <filip.strajnar@gmail.com>
Date: Tue, 24 Sep 2024 23:58:37 +0200
Subject: [PATCH] Created an endpoint which reads current value of a pin.

---
 .../Controllers/GpioController.cs             | 25 +++++++++++++++++++
 Proculite.GpioRest/Services/GpioService.cs    |  5 ++++
 2 files changed, 30 insertions(+)
 create mode 100644 Proculite.GpioRest/Controllers/GpioController.cs

diff --git a/Proculite.GpioRest/Controllers/GpioController.cs b/Proculite.GpioRest/Controllers/GpioController.cs
new file mode 100644
index 0000000..07ab667
--- /dev/null
+++ b/Proculite.GpioRest/Controllers/GpioController.cs
@@ -0,0 +1,25 @@
+using Microsoft.AspNetCore.Mvc;
+using Proculite.GpioRest.Services;
+
+namespace Proculite.GpioRest.Controllers
+{
+    [Route("/gpio")]
+    public class GpioController : Controller
+    {
+        private readonly GpioService _gpioService;
+
+        public GpioController(GpioService gpioService)
+        {
+            _gpioService = gpioService;
+        }
+
+        [HttpGet("pin-value/{pinNumber}")]
+        public IActionResult PinValue(int pinNumber)
+        {
+            if(!ModelState.IsValid)
+                return BadRequest();
+                
+            return Ok(_gpioService.CurrentPinValue(pinNumber));
+        }
+    }
+}
\ No newline at end of file
diff --git a/Proculite.GpioRest/Services/GpioService.cs b/Proculite.GpioRest/Services/GpioService.cs
index b2e89bb..a680d71 100644
--- a/Proculite.GpioRest/Services/GpioService.cs
+++ b/Proculite.GpioRest/Services/GpioService.cs
@@ -42,5 +42,10 @@ namespace Proculite.GpioRest.Services
                 _gpioController.OpenPin(pin, pinMode, PinValue.Low);
             }
         }
+
+        public PinValue CurrentPinValue(int pinNumber)
+        {
+            return _gpioController.Read(pinNumber);
+        }
     }
 }