From 2162ebad8950bd046291103788cf37090d7ca262 Mon Sep 17 00:00:00 2001
From: Eveldee <eveldee0680@live.fr>
Date: Tue, 24 Nov 2020 16:30:45 +0100
Subject: [PATCH] Add Waked event and Wake command

---
 WaveshareUARTFingerprintSensor.Sample/Program.cs    | 7 +++----
 WaveshareUARTFingerprintSensor/FingerprintSensor.cs | 9 ++++++++-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/WaveshareUARTFingerprintSensor.Sample/Program.cs b/WaveshareUARTFingerprintSensor.Sample/Program.cs
index 3bc31cc..ceb7f0d 100644
--- a/WaveshareUARTFingerprintSensor.Sample/Program.cs
+++ b/WaveshareUARTFingerprintSensor.Sample/Program.cs
@@ -19,10 +19,9 @@ namespace WaveshareUARTFingerprintSensor.Sample
 
             sensor.Start();
 
-            if (sensor.TryGetUserCount(out ushort count))
-            {
-                Console.WriteLine(count);
-            }
+            sensor.Waked += s => sensor.Wake();
+
+            sensor.Sleep();
 
             Console.WriteLine("End");
 
diff --git a/WaveshareUARTFingerprintSensor/FingerprintSensor.cs b/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
index f59fb2e..75ce779 100644
--- a/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
+++ b/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
@@ -19,6 +19,8 @@ namespace WaveshareUARTFingerprintSensor
         public const string SecondarySerialPort = "/dev/ttyS0";
         public const int DefaultTimeout = 10_000;
 
+        public event Action<FingerprintSensor> Waked;
+
         public string PortName { get; }
 
         private const byte PacketSeparator = 0xF5;
@@ -169,11 +171,16 @@ namespace WaveshareUARTFingerprintSensor
             _rstPin.Write(GpioPinValue.Low);
         }
 
+        public void Wake()
+        {
+            _rstPin.Write(GpioPinValue.High);
+        }
+
         private void OnWake()
         {
             if (_wakePin.Read())
             {
-                Console.WriteLine("Sensor WAKE signal received");
+                Waked?.Invoke(this);
             }
         }