Diff: HALLFX/HALLFX_ENCODER.h

Revision:

3:9e51de1050a1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HALLFX/HALLFX_ENCODER.h	Sat Nov 25 03:36:58 2017 +0000
@@ -0,0 +1,38 @@
+#ifndef HALLFX_ENCODER_H
+#define HALLFX_ENCODER_H
+
+/*
+    Basic Encoder Library for Sparkfun's Wheel Encoder Kit
+    Part# ROB-12629.
+*/
+
+#include "mbed.h"
+
+class HALLFX_ENCODER{
+    public:
+        /*
+            Constructor for Encoder objects
+            @param enc_in    The mBed pin connected to encoder output
+        */
+        HALLFX_ENCODER(PinName enc_in);
+        /*
+            read() returns total number of counts of the encoder.
+            Count can be +/- and indicates the overall direction,
+            (+): CW (-): CCW
+            @return     The toltal number of counts of the encoder.
+        */
+        long read();
+        /*
+            reset() clears the counter to 0. 
+        */
+        void reset();
+    private:
+        long count;         // Total number of counts since start.
+        InterruptIn _enc_in;// Encoder Input/Interrupt Pin
+        /*
+            Increments/Decrements count on interrrupt.
+        */
+        void callback_c();    // Interrupt callback function
+};
+
+#endif
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