#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include "tivaware.h"

#define TIVA_CLK 16e6
#define GREEN_PERIOD TIVA_CLK * 5
#define YELLOW_PERIOD TIVA_CLK * 2
#define RED_PERIOD TIVA_CLK * 7
#define RED 1
#define YELLOW 2
#define GREEN 3


typedef struct Traffic{
  uint8_t  cur_color;
  uint32_t port;
  uint8_t  red;
  uint8_t  yellow;
  uint8_t  green;
  uint32_t prevPeriod;
} Traffic;

extern Traffic tf1;
extern Traffic tf2;
extern Traffic tf_ped;
extern bool switch_pressed;
extern uint32_t period_1;
extern uint32_t period_2;
extern uint32_t period_3;

void TrafficInit();
void set_tf_color(Traffic tf, uint8_t color);
void PortInit(uint32_t port, uint32_t clk, uint32_t input, uint32_t output);
void TimerInit(uint32_t timer, void(*timer_handler)(), uint32_t clk, uint32_t delay);