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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
48 ******************************************************************************/
50 /***************************** Include Files *********************************/
54 /************************** Constant Definitions *****************************/
57 /**************************** Type Definitions *******************************/
60 /***************** Macros (Inline Functions) Definitions *********************/
63 /************************** Function Prototypes ******************************/
66 /************************** Variable Definitions *****************************/
69 /*****************************************************************************/
72 * Runs a self-test on the driver/device.
75 * @param InstancePtr is a pointer to the XTtcPs instance.
79 * - XST_SUCCESS if successful
80 * - XST_FAILURE indicates a register did not read or write correctly
82 * @note This test fails if it is not called right after initialization.
84 ******************************************************************************/
85 int XTtcPs_SelfTest(XTtcPs *InstancePtr)
89 Xil_AssertNonvoid(InstancePtr != NULL);
90 Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
93 * All the TTC registers should be in their default state right now.
95 TempReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
96 XTTCPS_CNT_CNTRL_OFFSET);
97 if (XTTCPS_CNT_CNTRL_RESET_VALUE != TempReg) {