/* this function handles External lines 21 and 22 interrupt exception  */
void ADC_CMP_IRQHandler(void)
/* this function handles External lines 21 and 22 interrupt exception  */
void ADC_CMP_IRQHandler(void)
{
    if(RESET != exti_interrupt_flag_get(EXTI_21)){
        gd_eval_ledon(LED2);
        exti_interrupt_flag_clear(EXTI_21);
    }
}