blob: b1dd7d0a204a34b49ff29dbb7321985338962872 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2010 - 2015 Xilinx, Inc. All rights reserved.
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/*****************************************************************************/
/**
*
* @file xttcps_selftest.c
* @addtogroup ttcps_v3_5
* @{
*
* This file contains the implementation of self test function for the
* XTtcPs driver.
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ------ -------- ---------------------------------------------
* 1.00a drg/jz 01/21/10 First release
* 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
* </pre>
*
******************************************************************************/
/***************************** Include Files *********************************/
#include "xttcps.h"
/************************** Constant Definitions *****************************/
/**************************** Type Definitions *******************************/
/***************** Macros (Inline Functions) Definitions *********************/
/************************** Function Prototypes ******************************/
/************************** Variable Definitions *****************************/
/*****************************************************************************/
/**
*
* Runs a self-test on the driver/device.
*
*
* @param InstancePtr is a pointer to the XTtcPs instance.
*
* @return
*
* - XST_SUCCESS if successful
* - XST_FAILURE indicates a register did not read or write correctly
*
* @note This test fails if it is not called right after initialization.
*
******************************************************************************/
s32 XTtcPs_SelfTest(XTtcPs *InstancePtr)
{
s32 Status;
u32 TempReg;
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* All the TTC registers should be in their default state right now.
*/
TempReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
XTTCPS_CNT_CNTRL_OFFSET);
if (XTTCPS_CNT_CNTRL_RESET_VALUE != (u32)TempReg) {
Status = XST_FAILURE;
}
else {
Status = XST_SUCCESS;
}
return Status;
}
/** @} */