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#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;
} Traffic;

typedef struct Bcd{
  uint32_t port;
  uint8_t A;
  uint8_t B;
  uint8_t C;
  uint8_t D;
} Bcd;

extern Traffic tf1;
extern Traffic tf2;
extern Traffic tf_ped;
extern Bcd bcd1;
extern Bcd bcd2;
extern Bcd bcd_ped;
extern bool switch_pressed;
extern uint32_t period_1;
extern uint32_t period_2;
extern uint32_t period_3;

void TrafficInit();
void Traffic_Handler(Traffic *tf, uint32_t timer);
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);
void BcdWrite(Bcd bcd, uint32_t timer, bool ped);