#include <xc.h>
//#include <p18f4553.h>

#pragma config PLLDIV   = 5         // (20 MHz crystal on PICDEM FS USB board)
#pragma config CPUDIV   = OSC1_PLL2
#pragma config USBDIV   = 2         // Clock source from 96MHz PLL/2
#pragma config FOSC     = HSPLL_HS
#pragma config FCMEN    = OFF
#pragma config IESO     = OFF
#pragma config PWRT     = OFF
#pragma config BOR      = ON
#pragma config BORV     = 3
#pragma config VREGEN   = ON      //USB Voltage Regulator
#pragma config WDT      = OFF
#pragma config WDTPS    = 32768
#pragma config MCLRE    = ON
#pragma config LPT1OSC  = OFF
#pragma config PBADEN   = OFF
//#pragma config CCP2MX   = ON
#pragma config STVREN   = ON
#pragma config LVP      = OFF
//#pragma config ICPRT    = OFF       // Dedicated In-Circuit Debug/Programming
#pragma config XINST    = OFF       // Extended Instruction Set
#pragma config CP0      = OFF
#pragma config CP1      = OFF
//#pragma config CP2      = OFF
//#pragma config CP3      = OFF
#pragma config CPB      = OFF
//#pragma config CPD      = OFF
#pragma config WRT0     = OFF
#pragma config WRT1     = OFF
//#pragma config WRT2     = OFF
//#pragma config WRT3     = OFF
#pragma config WRTB     = OFF       // Boot Block Write Protection
#pragma config WRTC     = OFF
//#pragma config WRTD     = OFF
#pragma config EBTR0    = OFF
#pragma config EBTR1    = OFF
//#pragma config EBTR2    = OFF
//#pragma config EBTR3    = OFF
#pragma config EBTRB    = OFF

void InitInterTimer0 (void);
void init(void);

#define _XTAL_FREQ  48000000             //__delay_ms

unsigned char CH[10] = { 0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
unsigned char gCT=0;
unsigned short gNo=0,gNo3,gNo2,gNo1,gNo0;

void init(void)
{
    ADCON1  =	0b00001111;
    TRISA   =	0b00000000;
    TRISB   =	0b00000000;
    TRISC   =	0b00110000;         //D-,D+
    TRISD   =	0b00000000;
    TRISE   =   0b00000011;         //SW1,2=INPUT LED=OUTPUT
    LATA    =	0b00000000;
    LATB    =	0b00000000;
    LATC    =	0b00000000;
    LATD    =	0b00000000;
    LATE    =	0b00000000;
}

// 割込みサービスルーチン
static void interrupt isr()
{


    switch (gCT)
    {
	case 0:
            gCT++;
             PORTD=CH[gNo3];
             PORTB=~0X01;
		break;
	case 1:
            gCT++;
            PORTD=CH[gNo2];
            PORTB=~0X02;
		break;
	case 2:
            gCT++;
            PORTD=CH[gNo1];
            PORTB=~0X04;
		break;
        case 3:
            gCT++;
            PORTD=CH[gNo0];
            PORTB=~0X08;
		break;
	default:
            gCT=0;

		break;
    }
    // タイマ0割込みフラグをクリア
    T0IF = 0;
}

// タイマ0割込み設定関数
void InitInterTimer0 (void)
{
    // クロック源を内部クロックに設定
    T0CS = 0;
    // プリスケーラをタイマ0に割り当て
    PSA = 0;
    // プリスケーラ値を128に設定
    T0CONbits.T0PS0 = 1;//PIC18F4553
    T0CONbits.T0PS1 = 1;//PIC18F4553
    T0CONbits.T0PS2 = 0;//PIC18F4553
    // TMR0レジスタをクリア
    TMR0 = 0x0000;
    // タイマ0割込みフラグをクリア
    T0IF = 0;
    // タイマ0割込みの許可
    T0IE = 1;
}


void main(void)
 {
    int i,j;
    init();
    InitInterTimer0();
    // 割込み全体の許可
    GIE = 1;
    unsigned short L1,L2,L3,L4;
    while(1)
    {
        for(i=0;i<10;i++)
        {
            for(j=0;j<100;j++){__delay_ms( 10 );}
            gNo++;
            L1=gNo/10;
            L2=L1/10;
            L3=L2/10;
            L4=L3/10;
            gNo3=(L3-L4*10);
            gNo2=(L2-L3*10);
            gNo1=(L1-L2*10);
            gNo0=(gNo-L1*10);
        }
    }
}