//////////////////////////// InitializeInterruptSystem////////////////////////////////
int InitializeInterruptSystem(u16 deviceID) {
int Status;
GicConfig = XScuGic_LookupConfig (deviceID);
if(NULL == GicConfig) {
return XST_FAILURE;
}
Status = XScuGic_CfgInitialize(&InterruptController, GicConfig, GicConfig->CpuBaseAddress);
if(Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = SetUpInterruptSystem(&InterruptController);
if(Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = XScuGic_Connect (&InterruptController,
XPAR_FABRIC_AXI_DMA_0_S2MM_INTROUT_INTR,
(Xil_ExceptionHandler) InterruptHandler, NULL);
if(Status != XST_SUCCESS) {
return XST_FAILURE;
}
XScuGic_Enable(&InterruptController, XPAR_FABRIC_AXI_DMA_0_S2MM_INTROUT_INTR );
return XST_SUCCESS;
}
int IntcExample(u16 DeviceId)
{
int Status;
Status = XIntc_Initialize(&InterruptController, DeviceId);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = XIntc_SelfTest(&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = SetUpInterruptSystem(&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = XIntc_SimulateIntr(&InterruptController, INTC_DEVICE_INT_ID);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
while (1)
{
if (InterruptProcessed) {
break;
}
}
return XST_SUCCESS;
}
/**
*
* This function is an example of how to use the IO Module driver component
* (XIOModule) and the hardware device. This function is designed to work
* without external hardware devices to cause interrupts. It may not return if
* the IO Module is not properly connected to the processor in either software
* or hardware.
*
* @param DeviceId is device ID of the IO Module Device, typically
* XPAR_<IOMODULE_instance>_DEVICE_ID value from xparameters.h
*
* @return XST_SUCCESS to indicate success, otherwise XST_FAILURE
*
* @note None.
*
******************************************************************************/
XStatus IOModuleExample(u16 DeviceId)
{
XStatus Status;
/*
* Initialize the IO Module driver so that it is ready to use.
*/
Status = XIOModule_Initialize(&IOModule, DeviceId);
if (Status != XST_SUCCESS)
{
return XST_FAILURE;
}
/*
* Perform a self-test to ensure that the hardware was built correctly.
*/
Status = XIOModule_SelfTest(&IOModule);
if (Status != XST_SUCCESS)
{
return XST_FAILURE;
}
/*
* Setup the Interrupt System.
*/
Status = SetUpInterruptSystem(&IOModule);
if (Status != XST_SUCCESS)
{
return XST_FAILURE;
}
/*
* Generate the interrupts.
*/
Status = XOModule_GenerateIntr(&IOModule);
if (Status != XST_SUCCESS)
{
return XST_FAILURE;
}
/*
* Wait for the interrupts to be processed, if no interrupt occurs this
* loop will wait forever.
*/
while (1)
{
/*
* If the interrupts occurred which is indicated by the global
* variable which is set in the device driver handler, then
* stop waiting
*/
if (InterruptProcessed)
{
break;
}
}
return XST_SUCCESS;
}
int ScuGicExample(u16 DeviceId)
{
int Status;
/*
* Initialize the interrupt controller driver so that it is ready to
* use.
*/
GicConfig = XScuGic_LookupConfig(DeviceId);
if (NULL == GicConfig) {
return XST_FAILURE;
}
Status = XScuGic_CfgInitialize(&InterruptController, GicConfig,
GicConfig->CpuBaseAddress);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Perform a self-test to ensure that the hardware was built
* correctly
*/
Status = XScuGic_SelfTest(&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Setup the Interrupt System
*/
Status = SetUpInterruptSystem(&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Connect a device driver handler that will be called when an
* interrupt for the device occurs, the device driver handler performs
* the specific interrupt processing for the device
*/
Status = XScuGic_Connect(&InterruptController, INTC_DEVICE_INT_ID,
(Xil_ExceptionHandler)DeviceDriverHandler,
(void *)&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the interrupt for the device and then cause (simulate) an
* interrupt so the handlers will be called
*/
XScuGic_Enable(&InterruptController, INTC_DEVICE_INT_ID);
return XST_SUCCESS;
}
/**
*
* This function is an example of how to use the interrupt controller driver
* (XScuGic) and the hardware device. This function is designed to
* work without any hardware devices to cause interrupts. It may not return
* if the interrupt controller is not properly connected to the processor in
* either software or hardware.
*
* This function relies on the fact that the interrupt controller hardware
* has come out of the reset state such that it will allow interrupts to be
* simulated by the software.
*
* @param DeviceId is Device ID of the Interrupt Controller Device,
* typically XPAR_<INTC_instance>_DEVICE_ID value from
* xparameters.h
*
* @return XST_SUCCESS to indicate success, otherwise XST_FAILURE
*
* @note None.
*
******************************************************************************/
int ScuGicExample(u16 DeviceId)
{
int Status;
/*
* Initialize the interrupt controller driver so that it is ready to
* use.
*/
GicConfig = XScuGic_LookupConfig(DeviceId);
if (NULL == GicConfig) {
return XST_FAILURE;
}
Status = XScuGic_CfgInitialize(&InterruptController, GicConfig,
GicConfig->CpuBaseAddress);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Perform a self-test to ensure that the hardware was built
* correctly
*/
Status = XScuGic_SelfTest(&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Setup the Interrupt System
*/
Status = SetUpInterruptSystem(&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Connect a device driver handler that will be called when an
* interrupt for the device occurs, the device driver handler performs
* the specific interrupt processing for the device
*/
Status = XScuGic_Connect(&InterruptController, INTC_DEVICE_INT_ID,
(Xil_ExceptionHandler)DeviceDriverHandler,
(void *)&InterruptController);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the interrupt for the device and then cause (simulate) an
* interrupt so the handlers will be called
*/
XScuGic_Enable(&InterruptController, INTC_DEVICE_INT_ID);
/*
* Simulate the Interrupt
*/
Status = XScuGic_SoftwareIntr(&InterruptController,
INTC_DEVICE_INT_ID,
XSCUGIC_SPI_CPU0_MASK);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Wait for the interrupt to be processed, if the interrupt does not
* occur this loop will wait forever
*/
while (1) {
/*
* If the interrupt occurred which is indicated by the global
* variable which is set in the device driver handler, then
* stop waiting
*/
if (InterruptProcessed) {
break;
}
}
return XST_SUCCESS;
}
