Adding Project 1 rotary encoder implementations

Project_1_Rotary_Encoder/Part_3_Interrupt/include/digital_in.h

@@ -0,0 +1,20 @@
+#ifndef DIGITAL_IN_H
+#define DIGITAL_IN_H
+
+#include <stdint.h>
+
+class Digital_in
+{
+public:
+    Digital_in(int pin);
+
+    void init();
+
+    bool is_hi();
+    bool is_lo();
+
+private:
+    uint8_t pinMask;
+};
+
+#endif

Project_1_Rotary_Encoder/Part_3_Interrupt/include/digital_out.h

@@ -0,0 +1,20 @@
+#ifndef DIGITAL_OUT_H
+#define DIGITAL_OUT_H
+
+#include <stdint.h>
+
+class Digital_out
+{
+public:
+    Digital_out(int pin);
+
+    void init();
+    void set_hi();
+    void set_lo();
+    void toggle();
+
+private:
+    uint8_t pinMask;
+};
+
+#endif

Project_1_Rotary_Encoder/Part_3_Interrupt/include/encoder.h

@@ -0,0 +1,25 @@
+#ifndef ENCODER_H
+#define ENCODER_H
+
+#include <digital_in.h>
+#include <digital_out.h>
+
+class Encoder
+{
+public:
+    Encoder(int c1Pin, int c2Pin, int ledPin);
+
+    void init();
+    void update();
+    int position();
+
+private:
+    Digital_in c1;
+    Digital_in c2;
+    Digital_out led;
+
+    bool previousC1;
+    volatile int count;
+};
+
+#endif