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32 /*****************************************************************************/
35 * @file xemacps_sinit.c
36 * @addtogroup emacps_v3_1
39 * This file contains lookup method by device ID when success, it returns
40 * pointer to config table to be used to initialize the device.
43 * MODIFICATION HISTORY:
45 * Ver Who Date Changes
46 * ----- ---- -------- -------------------------------------------------------
47 * 1.00a wsy 01/10/10 New
48 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
51 ******************************************************************************/
53 /***************************** Include Files *********************************/
56 #include "xparameters.h"
58 /************************** Constant Definitions *****************************/
61 /**************************** Type Definitions *******************************/
63 /*************************** Variable Definitions *****************************/
64 extern XEmacPs_Config XEmacPs_ConfigTable[XPAR_XEMACPS_NUM_INSTANCES];
66 /***************** Macros (Inline Functions) Definitions *********************/
69 /************************** Function Prototypes ******************************/
71 /*****************************************************************************/
73 * Lookup the device configuration based on the unique device ID. The table
74 * contains the configuration info for each device in the system.
76 * @param DeviceId is the unique device ID of the device being looked up.
79 * A pointer to the configuration table entry corresponding to the given
80 * device ID, or NULL if no match is found.
82 ******************************************************************************/
83 XEmacPs_Config *XEmacPs_LookupConfig(u16 DeviceId)
85 XEmacPs_Config *CfgPtr = NULL;
88 for (i = 0U; i < (u32)XPAR_XEMACPS_NUM_INSTANCES; i++) {
89 if (XEmacPs_ConfigTable[i].DeviceId == DeviceId) {
90 CfgPtr = &XEmacPs_ConfigTable[i];
95 return (XEmacPs_Config *)(CfgPtr);