// problema 3, laborator 1


unsigned int i;


int var;
//variabila folosit pentru a trece de la un led la altul
// ledul 6
int led1=6;
// ledul 11 shiftat cu 2 la dreapta
int led2=13;

//direction register
*pPORTFIO_DIR=0x0FFC;

*pPORTFIO_DIR&= ~((1<<3)|(1<<4));

//input enable register
*pPORTFIO_INEN=0x00018;

while(1) {

//folosim butonul 4.

//reset
if((*pPORTFIO&(1<<4))!=0)) {

*pPORTFIO=0x0000;

for(i=0;i<1000;i++);

if((*pPORTFIO&(1<<4))!=0)){
//cat timp butonul este apasat

while((*pPORTFIO&(1<<4))!=0));

//aprindem ledul urmator
*pPORTFIO|= (1<<var);

//in acelasi timp se stinge cel anterior

*pPORTFIO&=~(1<<var-1);

//se trece la urmatorul

var++;

//
if(led1==13) {

*pPORTFIO&=~(1<<12);

led1=6;

*pPORTFIO|=(1<<6);}}}}

 // laborator 2

#include <sys/platform.h>
#include <adi_initialize.h>
#include <test.h>
#include <cdefbf537.h>
#include <sys/exception.h>

volatile unsigned int i;
EX_INTERRUPT_HANDLER(ISR_TIMER7){
//for(i=0;i<9999;i++)
i++;
if(i%2==0)
*pPORTFIO &= ~ (1<<9);
else
*pPORTFIO |= (1<<9);
*pTIMER_STATUS=0x00000000;
}

void initInterrupts(void) {
*pSIC_IAR3 = 0xFFFFF5FF;
     *pSIC_MASK = 0x04000000;
     register_handler(ik_ivg12, ISR_Timer7);
}
int main(int argc, char *argv[]){
int i;
//alegem led-urile ca iesiri

*pPORTFIO_DIR=0xFFCF;

//configurare timer

*pTIMER7_CONFIG = 0x001D;

//perioada timer, perioada de numarare = 0.5

*pTIMER_PERIOD = 0x17D7840;

*pTIMER_ENABLE = 0x0080;

//oprim led-urile

*pPORTFIO = 0x0000;

initInterrupts();
while(1){
};
//*pTIMER_STATUS &= ~(1<<19);

/* while(1) {
	if((*pTIMER_STATUS&=(1<<19))!=0) {

i++;
if(i%2==0)
*pPORTFIO &= ~(1<<9);
else
*pPORTFIO |= (1<<9);
}
}*/
return 0;
}




#include <sys/platform.h>
#include "adi_initialize.h"
#include "hau.h"
#include <cdefBF537.h>


char __argv_string[] = "";

void config() {
	*pTIMER7_CONFIG |= 1;
	*pTIMER7_CONFIG &= ~(1 << 1);
	*pTIMER7_CONFIG |= (1 << 3);
	*pTIMER7_CONFIG |= (1 << 4);
	*pPORTFIO_DIR |= (1 << 6);
	*pTIMER7_PERIOD = 10000000;
	*pPORTFIO_DIR &= ~(1 << 4); //up
	*pPORTFIO_INEN |= 1 << 4;
	*pPORTFIO_DIR &= ~(1 << 5); //down
	*pPORTFIO_INEN |= 1 << 5;
}


int main(int argc, char *argv[])
{

	volatile unsigned int i;
	adi_initComponents();

	config();

	*pTIMER_ENABLE |= (1 << 7);
	*pTIMER_DISABLE &= ~(1 << 7);

	volatile unsigned sw = 0;
	while(1) {
		if ((*pPORTFIO & (1 << 4))) {
			for (i=0; i<800; i++);
			if ((*pPORTFIO & (1 << 4)) && *pTIMER7_PERIOD != 100000000) {
				while((*pPORTFIO & (1 << 4)));
				*pTIMER_ENABLE &= ~(1 << 7);
				*pTIMER_DISABLE |= (1 << 7);
				*pTIMER7_PERIOD +=
0;
				*pTIMER_DISABLE &= ~(1 << 7);
				*pTIMER_ENABLE |= (1 << 7);
			}
		}

		if ((*pPORTFIO & (1 << 5))) {
			for (i=0; i<800; i++);
			if ((*pPORTFIO & (1 << 5)) && *pTIMER7_PERIOD != 2000000) {
				while((*pPORTFIO & (1 << 5)));
				*pTIMER_ENABLE &= ~(1 << 7);
				*pTIMER_DISABLE |= (1 << 7);
				*pTIMER7_PERIOD -= 2000000;
				*pTIMER_DISABLE &= ~(1 << 7);
				*pTIMER_ENABLE |= (1 << 7);
			}
		}

			if ((*pTIMER_STATUS & (1 << 19))) {
				if (sw) {
					*pPORTFIO &= ~(1 << 6);
					sw = 0;
				}
				else {
					*pPORTFIO |= (1 << 6);
					sw = 1;
				}
				*pTIMER_STATUS |= (1 << 19);
			}

		}

	return 0;
}