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32 /*****************************************************************************/
35 * @file xttcps_selftest.c
37 * This file contains the implementation of self test function for the
41 * MODIFICATION HISTORY:
43 * Ver Who Date Changes
44 * ----- ------ -------- ---------------------------------------------
45 * 1.00a drg/jz 01/21/10 First release
46 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
49 ******************************************************************************/
51 /***************************** Include Files *********************************/
55 /************************** Constant Definitions *****************************/
58 /**************************** Type Definitions *******************************/
61 /***************** Macros (Inline Functions) Definitions *********************/
64 /************************** Function Prototypes ******************************/
67 /************************** Variable Definitions *****************************/
70 /*****************************************************************************/
73 * Runs a self-test on the driver/device.
76 * @param InstancePtr is a pointer to the XTtcPs instance.
80 * - XST_SUCCESS if successful
81 * - XST_FAILURE indicates a register did not read or write correctly
83 * @note This test fails if it is not called right after initialization.
85 ******************************************************************************/
86 s32 XTtcPs_SelfTest(XTtcPs *InstancePtr)
91 Xil_AssertNonvoid(InstancePtr != NULL);
92 Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
95 * All the TTC registers should be in their default state right now.
97 TempReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
98 XTTCPS_CNT_CNTRL_OFFSET);
99 if (XTTCPS_CNT_CNTRL_RESET_VALUE != (u32)TempReg) {
100 Status = XST_FAILURE;
103 Status = XST_SUCCESS;