/****************************************************************************** * * Copyright (C) 2010 - 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 xiicps_selftest_example.c * * This file contains a example for using the IIC hardware device and * XIicPs driver. * * *
 MODIFICATION HISTORY:
 *
 * Ver	 Who Date    	Changes
 * ----- --- -------- 	-----------------------------------------------
 * 1.00a sdm 05/30/11 	First release
 *
 * 
* ****************************************************************************/ /***************************** Include Files **********************************/ #include "xparameters.h" #include "xiicps.h" #include "xil_printf.h" /************************** Constant Definitions ******************************/ /* * The following constants map to the XPAR parameters created in the * xparameters.h file. They are defined here such that a user can easily * change all the needed parameters in one place. */ #define IIC_DEVICE_ID XPAR_XIICPS_0_DEVICE_ID /**************************** Type Definitions ********************************/ /************************** Function Prototypes *******************************/ int IicPsSelfTestExample(u16 DeviceId); /************************** Variable Definitions ******************************/ XIicPs Iic; /* Instance of the IIC Device */ /******************************************************************************/ /** * * 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("IIC Self Test Example \r\n"); /* * Run the Iic Self Test example, specify the Device ID that is * generated in xparameters.h */ Status = IicPsSelfTestExample(IIC_DEVICE_ID); if (Status != XST_SUCCESS) { xil_printf("IIC Self Test Failed\r\n"); return XST_FAILURE; } xil_printf("Successfully ran IIC Self Test Example Test\r\n"); return XST_SUCCESS; } #endif /*****************************************************************************/ /** * * This function does a minimal test on the Iic device and driver as a * design example. The purpose of this function is to illustrate * how to use the XIicPs component. * * * @param DeviceId is the Device ID of the IicPs Device and is the * XPAR__DEVICE_ID value from xparameters.h * * @return XST_SUCCESS if successful, otherwise XST_FAILURE. * * @note None. * * *******************************************************************************/ int IicPsSelfTestExample(u16 DeviceId) { int Status; XIicPs_Config *Config; /* * Initialize the IIC driver so that it's ready to use * Look up the configuration in the config table, then initialize it. */ Config = XIicPs_LookupConfig(DeviceId); if (NULL == Config) { return XST_FAILURE; } Status = XIicPs_CfgInitialize(&Iic, Config, Config->BaseAddress); if (Status != XST_SUCCESS) { return XST_FAILURE; } /* * Perform a self-test. */ Status = XIicPs_SelfTest(&Iic); if (Status != XST_SUCCESS) { return XST_FAILURE; } return XST_SUCCESS; }