
This patch modified source code with Misra c guidline Signed-off-by: Om Mishra <omprakas@xilinx.com>
131 lines
4.5 KiB
C
Executable file
131 lines
4.5 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xgpiops_selftest.c
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*
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* This file contains a diagnostic self-test function for the XGpioPs driver.
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*
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* Read xgpiops.h file for more information.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00a sv 01/18/10 First Release
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* </pre>
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*
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*****************************************************************************/
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/***************************** Include Files ********************************/
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#include "xstatus.h"
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#include "xgpiops.h"
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/************************** Constant Definitions ****************************/
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/**************************** Type Definitions ******************************/
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/***************** Macros (Inline Functions) Definitions ********************/
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/************************** Variable Definitions ****************************/
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/************************** Function Prototypes *****************************/
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/*****************************************************************************/
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/**
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*
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* This function runs a self-test on the GPIO driver/device. This function
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* does a register read/write test on some of the Interrupt Registers.
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*
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* @param InstancePtr is a pointer to the XGpioPs instance.
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*
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* @return
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* - XST_SUCCESS if the self-test passed.
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* - XST_FAILURE otherwise.
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*
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*
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******************************************************************************/
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s32 XGpioPs_SelfTest(XGpioPs *InstancePtr)
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{
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s32 Status = XST_SUCCESS;
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u32 IntrEnabled;
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u32 CurrentIntrType = 0U;
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u32 CurrentIntrPolarity = 0U;
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u32 CurrentIntrOnAny = 0U;
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u32 IntrType = 0U;
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u32 IntrPolarity = 0U;
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u32 IntrOnAny = 0U;
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u32 IntrTestValue = 0x22U;
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
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/*
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* Disable the Interrupts for Bank 0 .
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*/
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IntrEnabled = XGpioPs_IntrGetEnabled(InstancePtr, XGPIOPS_BANK0);
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XGpioPs_IntrDisable(InstancePtr, XGPIOPS_BANK0, IntrEnabled);
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/*
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* Get the Current Interrupt properties for Bank 0.
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* Set them to a known value, read it back and compare.
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*/
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XGpioPs_GetIntrType(InstancePtr, XGPIOPS_BANK0, &CurrentIntrType,
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&CurrentIntrPolarity, &CurrentIntrOnAny);
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XGpioPs_SetIntrType(InstancePtr, XGPIOPS_BANK0, IntrTestValue,
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IntrTestValue, IntrTestValue);
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XGpioPs_GetIntrType(InstancePtr, XGPIOPS_BANK0, &IntrType,
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&IntrPolarity, &IntrOnAny);
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if ((IntrType != IntrTestValue) && (IntrPolarity != IntrTestValue) &&
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(IntrOnAny != IntrTestValue)) {
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Status = XST_FAILURE;
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}
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/*
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* Restore the contents of all the interrupt registers modified in this
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* test.
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*/
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XGpioPs_SetIntrType(InstancePtr, XGPIOPS_BANK0, CurrentIntrType,
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CurrentIntrPolarity, CurrentIntrOnAny);
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XGpioPs_IntrEnable(InstancePtr, XGPIOPS_BANK0, IntrEnabled);
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return Status;
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}
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