/*
 * File:   SW12.c
 * Author: Akizuki
 *
 * Created on 2013/05/19, 12:33
 * AE-USBPIC44
 * MPLABX + XC8
*/
//----------------------------------------------------------------------
#include <xc.h>
#include <p18f4553.h>

#pragma config PLLDIV   = 5         	// (20MHz crystal)
#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 = ON
#pragma config WDT      = OFF
#pragma config WDTPS    = 32768
#pragma config MCLRE    = ON
#pragma config LPT1OSC  = OFF
#pragma config PBADEN   = OFF
#pragma config CCP2MX   = OFF
#pragma config STVREN   = ON
#pragma config LVP      = OFF
#pragma config ICPRT    = OFF       	// Dedicated In-Circuit Debug/Programming = OFF
#pragma config XINST    = OFF       	// Extended Instruction Set = OFF
#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 = OFF
#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

#define _XTAL_FREQ  48000000             //__delay_ms
#define	SW1         PORTEbits.RE0
#define	SW2         PORTEbits.RE1
#define	LED         PORTEbits.RE2
#define	LED2        PORTBbits.RB0

int n;

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;

}

void main(void) {
init();
n = 20;
while(1){
    for ( int i = 0; i < n; i++ ) __delay_ms( 10 ); //10mS×n
    LED = !LED;
    LED2 = !LED2;
    if(SW2 == 0){
        n = n+1;
        if (n >= 40){
        n = 1;
        }
    }
    if(SW1 == 0){
        n = n-1;
        if (n <= 0){
            n = 40;
        }
    }

}
}