Setti inn allar skrár frá Project 3 og bætti við overlay í samræmi við controlloerinn og pin out.

include/pre_operational_state.h

@@ -0,0 +1,43 @@
+#ifndef PRE_OPERATIONAL_STATE_H
+#define PRE_OPERATIONAL_STATE_H
+
+#include "state.h"
+#include "stdint.h"
+
+class P_controller;
+
+class PreOperationalState : public State
+{
+private:
+    P_controller& p_controller;
+    P_controller& pi_controller;
+    bool pi_selected;
+
+    unsigned long previous_time;
+    bool led_state;
+
+    //bool waiting_for_kp;
+    //bool waiting_for_ti;
+
+    enum InputMode
+    {
+        NONE,
+        ENTER_KP,
+        ENTER_TI
+    };
+
+    InputMode input_mode;
+
+    char input_buffer[16];
+    uint8_t input_index;
+
+public:
+    PreOperationalState(P_controller& p_controller, P_controller& pi_controller);
+
+    void enter() override;
+    void update() override;
+    void command(char c) override;
+    void exit() override;
+};
+
+#endif