encoder library mod for one channel encoder

Revision:
3:66f6b5f3a911
Parent:
2:6a50a9d979bf
--- a/QEI.h	Sat Aug 17 14:55:49 2019 +0200
+++ b/QEI.h	Sat Aug 17 21:30:45 2019 +0200
@@ -177,7 +177,7 @@
      *                 of only channel A where as X4 uses them on both
      *                 channels.
      */
-    QEI(PinName channelA, PinName channelB, PinName index, int pulsesPerRev, Encoding encoding = X1_ENCODING);
+    QEI(int pulsesPerRev, PinName channelA, PinName channelB = NC, PinName index = NC, Encoding encoding = X1_ENCODING);
 
     /**
      * Reset the encoder.
@@ -226,6 +226,7 @@
      * count by one.
      */
     void index(void);
+    void pulse();
 
     Encoding encoding_;