Lチカ

config.h

#ifndef CONFIG_H
#define	CONFIG_H
// PIC24FJ64GB002 Configuration Bit Settings

// 'C' source line config statements

// CONFIG4
#pragma config DSWDTPS = DSWDTPSF       // DSWDT Postscale Select (1:2,147,483,648 (25.7 days))
#pragma config DSWDTOSC = LPRC          // Deep Sleep Watchdog Timer Oscillator Select (DSWDT uses Low Power RC Oscillator (LPRC))
#pragma config RTCOSC = SOSC            // RTCC Reference Oscillator  Select (RTCC uses Secondary Oscillator (SOSC))
#pragma config DSBOREN = ON             // Deep Sleep BOR Enable bit (BOR enabled in Deep Sleep)
#pragma config DSWDTEN = ON             // Deep Sleep Watchdog Timer (DSWDT enabled)

// CONFIG3
#pragma config WPFP = WPFP63            // Write Protection Flash Page Segment Boundary (Highest Page (same as page 42))
#pragma config SOSCSEL = IO           // Secondary Oscillator Pin Mode Select (SOSC pins in Default (high drive-strength) Oscillator Mode)
#pragma config WUTSEL = LEG             // Voltage Regulator Wake-up Time Select (Default regulator start-up time used)
#pragma config WPDIS = WPDIS            // Segment Write Protection Disable (Segmented code protection disabled)
#pragma config WPCFG = WPCFGDIS         // Write Protect Configuration Page Select (Last page and Flash Configuration words are unprotected)
#pragma config WPEND = WPENDMEM         // Segment Write Protection End Page Select (Write Protect from WPFP to the last page of memory)

// CONFIG2
#pragma config POSCMOD = NONE           // Primary Oscillator Select (Primary Oscillator disabled)
#pragma config I2C1SEL = PRI            // I2C1 Pin Select bit (Use default SCL1/SDA1 pins for I2C1 )
#pragma config IOL1WAY = OFF            // IOLOCK One-Way Set Enable (The IOLOCK bit can be set and cleared using the unlock sequence)
#pragma config OSCIOFNC = ON            // OSCO Pin Configuration (OSCO pin functions as port I/O (RA3))
#pragma config FCKSM = CSDCMD           // Clock Switching and Fail-Safe Clock Monitor (Sw Disabled, Mon Disabled)
#pragma config FNOSC = FRC              // Initial Oscillator Select (Fast RC Oscillator with Postscaler and PLL module (FRCPLL))
#pragma config PLL96MHZ = ON            // 96MHz PLL Startup Select (96 MHz PLL Startup is enabled automatically on start-up)
#pragma config PLLDIV = DIV12           // USB 96 MHz PLL Prescaler Select (Oscillator input divided by 12 (48 MHz input))
#pragma config IESO = OFF               // Internal External Switchover (IESO mode (Two-Speed Start-up) disabled)

// CONFIG1
#pragma config WDTPS = PS1              // Watchdog Timer Postscaler (1:1)
#pragma config FWPSA = PR32             // WDT Prescaler (Prescaler ratio of 1:32)
#pragma config WINDIS = OFF             // Windowed WDT (Standard Watchdog Timer enabled,(Windowed-mode is disabled))
#pragma config FWDTEN = OFF             // Watchdog Timer (Watchdog Timer is disabled)
#pragma config ICS = PGx1               // Emulator Pin Placement Select bits (Emulator functions are shared with PGEC1/PGED1)
#pragma config GWRP = OFF               // General Segment Write Protect (Writes to program memory are allowed)
#pragma config GCP = OFF                // General Segment Code Protect (Code protection is disabled)
#pragma config JTAGEN = OFF             // JTAG Port Enable (JTAG port is disabled)

// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.

#endif	/* CONFIG_H */

main.c

#include <xc.h>
#include "config.h"
#define FCY 4000000UL
#include <libpic30.h>

#define LED1    LATBbits.LATB5

void setup()
{
    OSCCON = 0x0000;
    CLKDIV = 0x0000;
    AD1PCFG = 0xffff;
    
    TRISA = 0xffff;
    TRISB = 0xffff;
    
    TRISBbits.TRISB5 = 0;
}

int main(void)
{
	setup();

    while(1)
    {
        LED1 = ~LED1;
        __delay_ms(1000);
    }
	return 0;
}