Fix Wake

2021-01-10 00:50:59 +01:00
parent 15e3e5a82a
commit 7c2a102bee
1 changed files with 5 additions and 1 deletions
--- a/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
+++ b/WaveshareUARTFingerprintSensor/FingerprintSensor.cs
@@ -510,7 +510,11 @@ namespace WaveshareUARTFingerprintSensor
        public void Wake()
        {
            _sleeping = false;
-            _rstPin.Write(GpioPinValue.High);
+            _rstPin.Write(GpioPinValue.High);
+
+            // Needed after wake to really wake the sensor
+            // Because the first command always fail for whatever reason
+            TryGetUserCount(out var _);
        }

        private void OnWake()