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32 /*****************************************************************************/
35 * @file xemacps_sinit.c
37 * This file contains lookup method by device ID when success, it returns
38 * pointer to config table to be used to initialize the device.
41 * MODIFICATION HISTORY:
43 * Ver Who Date Changes
44 * ----- ---- -------- -------------------------------------------------------
45 * 1.00a wsy 01/10/10 New
46 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
49 ******************************************************************************/
51 /***************************** Include Files *********************************/
54 #include "xparameters.h"
56 /************************** Constant Definitions *****************************/
59 /**************************** Type Definitions *******************************/
61 /*************************** Variable Definitions *****************************/
62 extern XEmacPs_Config XEmacPs_ConfigTable[XPAR_XEMACPS_NUM_INSTANCES];
64 /***************** Macros (Inline Functions) Definitions *********************/
67 /************************** Function Prototypes ******************************/
69 /*****************************************************************************/
71 * Lookup the device configuration based on the unique device ID. The table
72 * contains the configuration info for each device in the system.
74 * @param DeviceId is the unique device ID of the device being looked up.
77 * A pointer to the configuration table entry corresponding to the given
78 * device ID, or NULL if no match is found.
80 ******************************************************************************/
81 XEmacPs_Config *XEmacPs_LookupConfig(u16 DeviceId)
83 XEmacPs_Config *CfgPtr = NULL;
86 for (i = 0U; i < (u32)XPAR_XEMACPS_NUM_INSTANCES; i++) {
87 if (XEmacPs_ConfigTable[i].DeviceId == DeviceId) {
88 CfgPtr = &XEmacPs_ConfigTable[i];
93 return (XEmacPs_Config *)(CfgPtr);