| /****************************************************************************** |
| * |
| * Copyright (C) 2010 - 2015 Xilinx, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * Use of the Software is limited solely to applications: |
| * (a) running on a Xilinx device, or |
| * (b) that interact with a Xilinx device through a bus or interconnect. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Except as contained in this notice, the name of the Xilinx shall not be used |
| * in advertising or otherwise to promote the sale, use or other dealings in |
| * this Software without prior written authorization from Xilinx. |
| * |
| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * |
| * @file xgpiops_selftest.c |
| * @addtogroup gpiops_v3_1 |
| * @{ |
| * |
| * This file contains a diagnostic self-test function for the XGpioPs driver. |
| * |
| * Read xgpiops.h file for more information. |
| * |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ---- -------- ----------------------------------------------- |
| * 1.00a sv 01/18/10 First Release |
| * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance. |
| * </pre> |
| * |
| *****************************************************************************/ |
| |
| /***************************** Include Files ********************************/ |
| |
| #include "xstatus.h" |
| #include "xgpiops.h" |
| |
| /************************** Constant Definitions ****************************/ |
| |
| |
| /**************************** Type Definitions ******************************/ |
| |
| /***************** Macros (Inline Functions) Definitions ********************/ |
| |
| /************************** Variable Definitions ****************************/ |
| |
| /************************** Function Prototypes *****************************/ |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * This function runs a self-test on the GPIO driver/device. This function |
| * does a register read/write test on some of the Interrupt Registers. |
| * |
| * @param InstancePtr is a pointer to the XGpioPs instance. |
| * |
| * @return |
| * - XST_SUCCESS if the self-test passed. |
| * - XST_FAILURE otherwise. |
| * |
| * |
| ******************************************************************************/ |
| s32 XGpioPs_SelfTest(XGpioPs *InstancePtr) |
| { |
| s32 Status = XST_SUCCESS; |
| u32 IntrEnabled; |
| u32 CurrentIntrType = 0U; |
| u32 CurrentIntrPolarity = 0U; |
| u32 CurrentIntrOnAny = 0U; |
| u32 IntrType = 0U; |
| u32 IntrPolarity = 0U; |
| u32 IntrOnAny = 0U; |
| u32 IntrTestValue = 0x22U; |
| |
| Xil_AssertNonvoid(InstancePtr != NULL); |
| Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY); |
| |
| /* Disable the Interrupts for Bank 0 . */ |
| IntrEnabled = XGpioPs_IntrGetEnabled(InstancePtr, XGPIOPS_BANK0); |
| XGpioPs_IntrDisable(InstancePtr, XGPIOPS_BANK0, IntrEnabled); |
| |
| /* |
| * Get the Current Interrupt properties for Bank 0. |
| * Set them to a known value, read it back and compare. |
| */ |
| XGpioPs_GetIntrType(InstancePtr, XGPIOPS_BANK0, &CurrentIntrType, |
| &CurrentIntrPolarity, &CurrentIntrOnAny); |
| |
| XGpioPs_SetIntrType(InstancePtr, XGPIOPS_BANK0, IntrTestValue, |
| IntrTestValue, IntrTestValue); |
| |
| XGpioPs_GetIntrType(InstancePtr, XGPIOPS_BANK0, &IntrType, |
| &IntrPolarity, &IntrOnAny); |
| |
| if ((IntrType != IntrTestValue) && (IntrPolarity != IntrTestValue) && |
| (IntrOnAny != IntrTestValue)) { |
| |
| Status = XST_FAILURE; |
| } |
| |
| /* |
| * Restore the contents of all the interrupt registers modified in this |
| * test. |
| */ |
| XGpioPs_SetIntrType(InstancePtr, XGPIOPS_BANK0, CurrentIntrType, |
| CurrentIntrPolarity, CurrentIntrOnAny); |
| |
| XGpioPs_IntrEnable(InstancePtr, XGPIOPS_BANK0, IntrEnabled); |
| |
| return Status; |
| } |
| /** @} */ |