#include <xc.h>

// config: production / set config bits
// CONFIG3 memória védelem
#pragma config WPFP = WPFP511           
#pragma config WPDIS = WPDIS            
#pragma config WPCFG = WPCFGDIS         
#pragma config WPEND = WPENDMEM         

// CONFIG2
#pragma config POSCMOD = HS             // Primary Oscillator Select (HS oscillator mode selected)
#pragma config DISUVREG = ON            // Internal USB 3.3V Regulator Disable bit (Regulator is enabled)
#pragma config IOL1WAY = ON             
#pragma config OSCIOFNC = OFF           
#pragma config FCKSM = CSDCMD           
#pragma config FNOSC = PRIPLL           // Oscillator Select (Primary oscillator +pll )
#pragma config PLL_96MHZ = ON           
#pragma config PLLDIV = DIV3           // USB 96 MHz PLL Prescaler Select bits (Oscillator input divided by 3 (4MHz input))
#pragma config IESO = OFF               // Internal External Switch Over Mode (IESO mode (Two-speed start-up)disabled)

// CONFIG1
#pragma config WDTPS = PS32768          
#pragma config FWPSA = PR128            
#pragma config WINDIS = OFF             
#pragma config FWDTEN = OFF             // Watchdog Timer Enable (Watchdog Timer is disabled)
#pragma config ICS = PGx2               // Comm Channel Select (Emulator functions are shared with PGEC2/PGED2)
#pragma config GWRP = OFF              
#pragma config GCP = OFF                
#pragma config JTAGEN = OFF             // JTAG Port Enable (JTAG port is disabled)

#define BYTE unsigned char
#define BOOL unsigned char
#define FALSE 0
#define TRUE 1

// delay. meg kell adni a cpu clock-ot
#define SYS_FREQ 32000000L
#define FCY SYS_FREQ/2 
#include <libpic30.h>

// ledek, gombok

#define LED1 LATGbits.LATG6
#define LED2 LATGbits.LATG7
#define LED3 LATGbits.LATG8
#define LED4 LATGbits.LATG9
#define LEDR LATDbits.LATD15
#define LEDG LATFbits.LATF4
#define LEDB LATFbits.LATF5

#define SW1 !PORTCbits.RC1
#define SW2 !PORTCbits.RC3
#define SW3 !PORTEbits.RE8
#define SW4 !PORTEbits.RE9


void __attribute__((__interrupt__,__auto_psv__)) 
        _T3Interrupt(void)
{
    LED1=!LED1;
    IFS0bits.T3IF=0; // bitet törölni
}

void __attribute__((__interrupt__,__auto_psv__)) 
        _T1Interrupt(void)
{
    LEDB=!LEDB;
    IFS0bits.T1IF=0; // bitet törölni
}

BYTE i,on; // memóriában, mint byte

int main(void) 
{
    // PLL start, osccon
    CLKDIVbits.CPDIV=0; // 32 mhz
    while (!OSCCONbits.LOCK) Nop(); // megvártuk az indulást
    OSCCONbits.SOSCEN=1;
    __builtin_write_OSCCONL(OSCCON | 1<<1); // bit 1 set
    
    int dbg=OSCCON;
    Nop();
    Nop();
    Nop();
    
     // led tris. gombnál default az input
    TRISGbits.TRISG6=0; // 0: output
    TRISGbits.TRISG7=0;
    TRISGbits.TRISG8=0;
    TRISGbits.TRISG9=0;
    TRISDbits.TRISD15=0;
    TRISFbits.TRISF4=0;
    TRISFbits.TRISF5=0;
    i=0;
    // LEDR=1;
    on=0;
    // timer3 1 sec belsö, 1:256, 62500 pr
    PR3=62500;
    T3CONbits.TCKPS=0b11; // 1:256
    T3CONbits.TON=1; // timer be
    IPC2bits.T3IP=1; // 1-es prior alacsony
    IFS0bits.T3IF=0; // töröld le
    IEC0bits.T3IE=1; // jöhet
    // timer1 1 sec küls? órajel, 32768-as pr
    PR1=0x8000;
    T1CON=0x8002; // 1:1, küls?, on
    IPC0bits.T1IP=2; // fontosabb
    IFS0bits.T1IF=0;
    IEC0bits.T1IE=1; // engedd.
    
    while (1) 
    {
        if (SW2) 
        {
            on^=1;
            LED2=on;
            Sleep(); // aludj. Timer1 majd felébreszt
            __delay_ms(50);
            while (SW2) Nop(); // felengedést vár
            __delay_ms(50);
        }
        if (SW3)
        {
            __asm__ volatile ( "reset "); 
        }
        
    //    LED1^=1; // xor
	//__delay_ms(1000);
	Nop();
     
    }
    // feladat: LED1..LED4 futófény, SW2 iránya. switch!
    return 0;
}