/****************************************************************************** * * Copyright (C) 2011 - 2014 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 THE * XILINX CONSORTIUM 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 xwdtps_selftest_example.c * * This file contains a design example using the System Watchdog Timer driver * (XWdtPs) and hardware device. * * @note * * None. * * MODIFICATION HISTORY: * *
* Ver Who Date Changes * ----- ------ -------- --------------------------------------------- * 1.00a sdm 05/27/11 First release *******************************************************************************/ /***************************** Include Files *********************************/ #include "xparameters.h" #include "xwdtps.h" #include "xil_printf.h" /************************** Constant Definitions *****************************/ /* * The following constants map to the XPAR parameters created in the * xparameters.h file. They are only defined here such that a user can easily * change all the needed parameters in one place. */ #define WDT_DEVICE_ID XPAR_XWDTPS_0_DEVICE_ID /**************************** Type Definitions *******************************/ /***************** Macros (Inline Functions) Definitions *********************/ /************************** Function Prototypes ******************************/ int WdtPsSelfTestExample(u16 DeviceId); /************************** Variable Definitions *****************************/ XWdtPs Watchdog; /* Instance of WatchDog Timer */ /*****************************************************************************/ /** * Main function to call the self test example. * * @param None * * @return XST_SUCCESS if successful, XST_FAILURE if unsuccessful * * @note None * ******************************************************************************/ #ifndef TESTAPP_GEN int main(void) { int Status; xil_printf("WDT SelfTest Example Test\r\n"); /* * Call the example , specify the device ID that is generated in * xparameters.h. */ Status = WdtPsSelfTestExample(WDT_DEVICE_ID); if (Status != XST_SUCCESS) { xil_printf("WDT SelfTest Example Test Failed\r\n"); return XST_FAILURE; } xil_printf("Successfully ran WDT SelfTest Example Test\r\n"); return XST_SUCCESS; } #endif /*****************************************************************************/ /** * This function does a minimal test on the watchdog timer device and driver * as a design example. The purpose of this function is to illustrate how to use * the XWdtPs driver. * * This function may require some time (seconds or even minutes) to execute * because it waits for the watchdog timer to expire. * * @param DeviceId is the unique device id of the device. * * @return XST_SUCCESS if successful, otherwise XST_FAILURE. * * @note None. * ****************************************************************************/ int WdtPsSelfTestExample(u16 DeviceId) { int Status; XWdtPs_Config *ConfigPtr; /* * Initialize the watchdog timer so that it is ready to use */ ConfigPtr = XWdtPs_LookupConfig(DeviceId); if (NULL == ConfigPtr) { return XST_FAILURE; } /* * This is where the virtual address would be used, this example * uses physical address. */ Status = XWdtPs_CfgInitialize(&Watchdog, ConfigPtr, ConfigPtr->BaseAddress); if (Status != XST_SUCCESS) { return XST_FAILURE; } /* * Run the SelfTest */ Status = XWdtPs_SelfTest(&Watchdog); if (Status != XST_SUCCESS) { return XST_FAILURE; } return XST_SUCCESS; }