#include <hidef.h> /* for EnableInterrupts macro */
#include "derivative.h" /* include peripheral declarations */
#define LED_1 PTDD_PTDD4
#define LED_2 PTDD_PTDD5
#define LED_3 PTDD_PTDD6
#define LED_4 PTDD_PTDD7
#define button_1_isPressed !PTAD_PTAD2
#define button_2_isPressed !PTAD_PTAD3
#define button_3_isPressed !PTAD_PTAD4
#define button_4_isPressed !PTAD_PTAD5

#define Clock_Source TPM1SC_CLKSA
#define Timer_Register TPM1SC
#define Timer_Channel_Register TPM1C0SC

#define ON 0
#define OFF 1

#define FIXED 1;
#define FLASHING 0;

int delay = 0;

interrupt VectorNumber_Vtpm1ch0 void step(void)
{
  if(TPM1C0SC_CH0F)
    TPM1C0SC_CH0F = 0;//встановлення значення флагу в 0 - скидання
  LED_1 = !LED_1; //якщо горіла - не горить. якщо не горіла - горить. Реалізація блимання
  TPM1SC_TOF = 0;//встановлення значення флагу переповненння таймера в 0 - скидання
}


void main(void) {
  EnableInterrupts;
  /* include your code here */
  PTDDD = 0b11110000;
  PTDD =  0b11110000;

  PTAPE_PTAPE2 = 1;
  PTAPE_PTAPE3 = 1;
  PTAPE_PTAPE4 = 1;
  PTAPE_PTAPE5 = 1;

  KBIPE_KBIPE5 = 1;
  KBIPE_KBIPE4 = 1;
  KBIPE_KBIPE3 = 1;
  KBIPE_KBIPE2 = 1;
  KBISC_KBIE = 1;// enable Keyboard Interrupts
  KBISC_KBF = 1;
  Timer_Register = 0;
  TPM1C0V = 0;
  TPM1MOD = 50000;
  TPM1CNTH = 0;
  for(;;){
    __RESET_WATCHDOG();  /* feeds the dog */
  } /* loop forever */
  /* please make sure that you never leave main */
}
void Btn3Clicked() {
	int frequency = Timer_Register & 0b00000111;

	if(frequency)
		frequency -= 1;
	TPM1SC_PS0 = frequency & 1;
	TPM1SC_PS1 = (frequency >> 1) & 1;
	TPM1SC_PS2 = (frequency >> 2) & 1;
}
void Btn1Clicked() {
	TPM1SC_PS2 = TPM1SC_PS1 = TPM1SC_PS0 = 1;
	Timer_Channel_Register = 0;
	TPM1C0SC_CH0IE = TPM1C0SC_MS0A = 1;
	Clock_Source = 1;
	TPM1SC_TOIE = 1;

}
void Btn4Clicked(){
	int frequency = Timer_Register & 0b00000111;
	if(frequency != 0b00000111)
		frequency += 1;
	TPM1SC_PS0 = frequency & 1;
	TPM1SC_PS1 = (frequency >> 1) & 1;
	TPM1SC_PS2 = (frequency >> 2) & 1;
}

//turn off the blaming
void Btn2Clicked() {
	Clock_Source = 0;
	Timer_Channel_Register = 0;
	LED_1 = OFF;
}

interrupt VectorNumber_Vkeyboard1 void click(void)
{
  KBISC_KBACK = 1;
  if(button_1_isPressed)
	  Btn1Clicked();

  if(button_2_isPressed)
  {
	  Btn2Clicked();
  }
  if (button_3_isPressed)
  {
	  Btn3Clicked();

  }
  if (button_4_isPressed)
  {
	  Btn4Clicked();
  }
}