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32 /*****************************************************************************/
35 * @file xttcps_selftest.c
36 * @addtogroup ttcps_v3_0
39 * This file contains the implementation of self test function for the
43 * MODIFICATION HISTORY:
45 * Ver Who Date Changes
46 * ----- ------ -------- ---------------------------------------------
47 * 1.00a drg/jz 01/21/10 First release
48 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
51 ******************************************************************************/
53 /***************************** Include Files *********************************/
57 /************************** Constant Definitions *****************************/
60 /**************************** Type Definitions *******************************/
63 /***************** Macros (Inline Functions) Definitions *********************/
66 /************************** Function Prototypes ******************************/
69 /************************** Variable Definitions *****************************/
72 /*****************************************************************************/
75 * Runs a self-test on the driver/device.
78 * @param InstancePtr is a pointer to the XTtcPs instance.
82 * - XST_SUCCESS if successful
83 * - XST_FAILURE indicates a register did not read or write correctly
85 * @note This test fails if it is not called right after initialization.
87 ******************************************************************************/
88 s32 XTtcPs_SelfTest(XTtcPs *InstancePtr)
93 Xil_AssertNonvoid(InstancePtr != NULL);
94 Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
97 * All the TTC registers should be in their default state right now.
99 TempReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
100 XTTCPS_CNT_CNTRL_OFFSET);
101 if (XTTCPS_CNT_CNTRL_RESET_VALUE != (u32)TempReg) {
102 Status = XST_FAILURE;
105 Status = XST_SUCCESS;