static void* _pio_retrive_group(const struct _pin *pin, uint32_t periph_id)
{
if (!matrix_is_peripheral_secured(MATRIX1, periph_id)) {
return (void*) &PIOA->PIO_IO_GROUP[pin->group];
} else {
return (void*) &PIOA->PIO_PIO_[pin->group];
}
}
/**
* \brief Configure corresponding handler for the interrupts coming from the given (unique) source (ID_xxx).
*
* \param source Interrupt source to configure.
* \param handler handler for the interrupt.
*/
void aic_set_source_vector(uint32_t source, void (*handler)(void))
{
Aic *aic = AIC;
if (SFR->SFR_AICREDIR == 0) {
Matrix* matrix = get_peripheral_matrix(source);
if (matrix_is_peripheral_secured(matrix, source))
aic = SAIC;
}
_aic_set_source_vector(aic, source, handler);
}
static void* _pio_configure_pins(const struct _pin *pin, uint32_t periph_id)
{
PioPio_* piogroup = &PIOA->PIO_PIO_[pin->group];
if (!matrix_is_peripheral_secured(MATRIX1, periph_id)) {
piogroup->S_PIO_SIONR = pin->mask;
return (void*) &PIOA->PIO_IO_GROUP[pin->group];
} else {
piogroup->S_PIO_SIOSR = pin->mask;
return (void*) piogroup;
}
}
/**
* \brief Configure interrupts' source mode.
*
* \param source Interrupt source to configure.
* \param mode mode combined of priority level and interrupt source type.
*/
void aic_configure(uint32_t source, uint8_t mode)
{
if (SFR->SFR_AICREDIR) {
_aic_configure_it(source, mode);
return;
}
Matrix* matrix = get_peripheral_matrix(source);
if (!matrix_is_peripheral_secured(matrix, source)) {
_aic_configure_it(source, mode);
} else {
// Does not apply for SAIC
}
}
/**
* \brief Disables interrupts coming from the given (unique) source (ID_xxx).
*
* \param source Interrupt source to disable.
*/
void aic_disable(uint32_t source)
{
if (SFR->SFR_AICREDIR) {
_aic_disable_it(AIC, source);
return;
}
Matrix* matrix = get_peripheral_matrix(source);
if (!matrix_is_peripheral_secured(matrix, source)) {
_aic_disable_it(AIC, source);
} else {
_aic_disable_it(SAIC, source);
}
}
/**
* \brief Configure interrupts' source mode.
*
* \param source Interrupt source to configure.
* \param mode mode combined of priority level and interrupt source type.
*/
void aic_set_or_clear(uint32_t source, uint8_t set)
{
Aic *aic = AIC;
if (SFR->SFR_AICREDIR == 0) {
Matrix* matrix = get_peripheral_matrix(source);
if (matrix_is_peripheral_secured(matrix, source))
aic = SAIC;
}
if (set) {
_aic_set_it(aic, source);
} else {
_aic_clear_it(aic, source);
}
}
static void _piod_handler(void)
{
uint32_t status = 0;
unsigned int i = 0;
if (matrix_is_peripheral_secured(MATRIX1, ID_PIOD))
status = PIOA->PIO_PIO_[PIO_GROUP_D].S_PIO_ISR;
else
status = PIOA->PIO_IO_GROUP[PIO_GROUP_D].PIO_ISR;
for (i = 0; i < ARRAY_SIZE(_handlers); ++i) {
if (_handlers[i].mask & status) {
_handlers[i].handler(PIO_GROUP_D, status,
_handlers[i].user_arg);
}
}
}