espero que esto te sirva:
void inicializa()
{
setup_adc_ports(RA0_RA1_RA3_ANALOG);
setup_adc(ADC_CLOCK_INTERNAL);
setup_spi(FALSE);
setup_wdt(WDT_OFF);
setup_ccp1(CCP_PWM);
setup_ccp2(CCP_PWM);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DIV_BY_4,255,1);
port_b_pullups(TRUE);
SET_TRIS_B( 0x80 );
SET_TRIS_A( 0xFF );
SET_TRIS_C( 0x80 );
set_pwm1_duty(512);
set_pwm2_duty(512);
}