/* Enable ISI. 
Explanation on the usage of the code made available through the header file.  */
void ISI_Enable(void)
/* Enable ISI. 
Explanation on the usage of the code made available through the header file.  */
void ISI_Enable(void)
{
    AT91C_BASE_ISI->ISI_CR1 &= ~AT91C_ISI_DIS;
}