main.c

PIC24FJ32GA002单片机bootloader rs485通信移植

#include<p24fj32ga002.h>

void delayms(unsigned int x);
_CONFIG1( JTAGEN_OFF & GCP_OFF & GWRP_OFF & COE_OFF & FWDTEN_ON& ICS_PGx2);
_CONFIG2( FCKSM_CSDCMD & OSCIOFNC_ON & POSCMOD_HS & FNOSC_PRIPLL & I2C1SEL_PRI& IOL1WAY_OFF);


void main()
{
	TRISAbits.TRISA4=0;
    while(1)
    {
		PORTAbits.RA4=0;
		delayms(1000);
		PORTAbits.RA4=1;
		delayms(1000);
	}
}

void delayms(unsigned int x)
{   
	unsigned int i,j; 
	for(i=0; i<x; i++)
	{
		for(j=0; j<275; j++);
	}
}