commiting code that didnt work properly on new branch

include/analog_out.h

@@ -0,0 +1,20 @@
+#ifndef ANALOG_OUT_H
+#define ANALOG_OUT_H
+
+#include <timer_msec.h>
+#include <digital_out.h>
+
+class Analog_out
+{
+public:
+    Analog_out(int pin);
+    void init(int period_ms = 1000);
+    void set(int duty_cycle);
+
+private:
+    Timer_msec timer;
+public:    
+    Digital_out pin;
+};
+
+#endif // ANALOG_OUT_H

include/motor_driver.h

@@ -0,0 +1,18 @@
+#ifndef MOTOR_DRIVER_H
+#define MOTOR_DRIVER_H
+
+#include <stdint.h>
+
+// Vélbúnaðar-PWM á Timer1: AIN1 = OC1A = PB1 (D9), AIN2 = OC1B = PB2 (D10)
+class Motor_driver {
+public:
+    Motor_driver();
+    void init(uint16_t top = 799);       // 
+    void set_duty_cycleA(int percent);   // 0-100%, AIN1
+    void set_duty_cycleB(int percent);   // 0-100%, AIN2
+
+private:
+    uint16_t top_value;
+};
+
+#endif

include/timer_msec.h

@@ -0,0 +1,10 @@
+#pragma once
+
+class Timer_msec
+{
+public:
+    Timer_msec();
+    void init(int period_ms);
+    void init(int period_ms, int duty_cycle);
+    void set_duty_cycle(int duty_cycle);
+};