embeddedsw/XilinxProcessorIPLib/drivers/vtc/src/xvtc_selftest.c
Durga challa 5050580f79 vtc: Modified vtc driver.
Modified vtc sorce files and example file.
changed offsets in xvtc.h file.

Signed-off-by: Durga challa <vnsldurg@xilinx.com>
2014-09-02 11:21:49 +05:30

109 lines
3.7 KiB
C
Executable file

/******************************************************************************
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/*****************************************************************************/
/**
*
* @file xvtc_selftest.c
*
* This file contains the self test function for the VTC core.
* The self test function reads the Version register.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ------ -------- --------------------------------------------------
* 6.1 adk 08/23/14 First Release.
* Implemented following function:
* XVtc_SelfTest.
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xvtc.h"
/************************** Constant Definitions *****************************/
/***************** Macros (Inline Functions) Definitions *********************/
/**************************** Type Definitions *******************************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
/************************** Function Definitions *****************************/
/*****************************************************************************/
/**
*
* This function reads version register of the VTC core and compares with zero
* as part of self test.
*
* @param InstancePtr is a pointer to the XVtc instance.
*
* @return
* - XST_SUCCESS if the Version register read test was successful.
* - XST_FAILURE if the Version register read test failed.
*
* @note None.
*
******************************************************************************/
int XVtc_SelfTest(XVtc *InstancePtr)
{
u32 Version;
int Status;
/* Verify argument. */
Xil_AssertNonvoid(InstancePtr != NULL);
/* Read VTC core version register. */
Version = XVtc_ReadReg((InstancePtr)->Config.BaseAddress,
(XVTC_VER_OFFSET));
/* Compare version with zero */
if(Version != (u32)0x0) {
Status = (u32)(XST_SUCCESS);
}
else {
Status = (u32)(XST_FAILURE);
}
return Status;
}