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dp: rx: Added callback for vertical blanking interrupts.

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Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-01-16 14:26:02 -08:00 • committed by Nava kishore Manne
parent 2a79d28de6
commit fba443ffde
2 changed files with 36 additions and 0 deletions
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9
XilinxProcessorIPLib/drivers/dp/src/xdprx.h
View file

@ -111,6 +111,13 @@ typedef struct {
void *IntrNoVideoCallbackRef; /**< A pointer to the user data void *IntrNoVideoCallbackRef; /**< A pointer to the user data
passed to the no video passed to the no video
callback function. */ callback function. */
XDptx_IntrHandler IntrVBlankHandler; /**< Callback function for
vertical blanking
interrupts. */
void *IntrVBlankCallbackRef; /**< A pointer to the user data
passed to the vertical
blanking callback
function. */
} XDprx; } XDprx;
/**************************** Function Prototypes *****************************/ /**************************** Function Prototypes *****************************/
@ -138,5 +145,7 @@ void XDptx_SetIntrPowerStateHandler(XDptx *InstancePtr,
XDprx_IntrHandler CallbackFunc, void *CallbackRef); XDprx_IntrHandler CallbackFunc, void *CallbackRef);
void XDptx_SetIntrNoVideoHandler(XDptx *InstancePtr, void XDptx_SetIntrNoVideoHandler(XDptx *InstancePtr,
XDprx_IntrHandler CallbackFunc, void *CallbackRef); XDprx_IntrHandler CallbackFunc, void *CallbackRef);
void XDptx_SetIntrVBlankHandler(XDptx *InstancePtr,
XDprx_IntrHandler CallbackFunc, void *CallbackRef);
#endif /* XDPRX_H_ */ #endif /* XDPRX_H_ */

27
XilinxProcessorIPLib/drivers/dp/src/xdprx_intr.c
View file

@ -133,3 +133,30 @@ void XDptx_SetIntrNoVideoHandler(XDptx *InstancePtr,
InstancePtr->IntrNoVideoHandler = CallbackFunc; InstancePtr->IntrNoVideoHandler = CallbackFunc;
InstancePtr->IntrNoVideoCallbackRef = CallbackRef; InstancePtr->IntrNoVideoCallbackRef = CallbackRef;
} }
/******************************************************************************/
/**
* This function installs a callback function for when a vertical blanking
* interrupt occurs.
*
* @param InstancePtr is a pointer to the XDprx instance.
* @param CallbackFunc is the address to the callback function.
* @param CallbackRef is the user data item that will be passed to the
* callback function when it is invoked.
*
* @return None.
*
* @note None.
*
*******************************************************************************/
void XDptx_SetIntrVBlankHandler(XDptx *InstancePtr,
XDprx_IntrHandler CallbackFunc, void *CallbackRef)
{
/* Verify arguments. */
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(CallbackFunc != NULL);
Xil_AssertVoid(CallbackRef != NULL);
InstancePtr->IntrVBlankHandler = CallbackFunc;
InstancePtr->IntrVBlankCallbackRef = CallbackRef;
}