XilinxProcessorIPLib/drivers/spips/src/xspips_selftest.c
s32 XSpiPs_SelfTest(XSpiPs *InstancePtr)
{
	s32 Status;
	u32 Register;
	u8 DelayTestNss;
	u8 DelayTestBtwn;
	u8 DelayTestAfter;
	u8 DelayTestInit;

	Xil_AssertNonvoid(InstancePtr != NULL);
	Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);

	/*
	 * Reset the SPI device to leave it in a known good state
	 */
	XSpiPs_Reset(InstancePtr);

	/*
	 * All the SPI registers should be in their default state right now.
	 */
	Register = XSpiPs_ReadReg(InstancePtr->Config.BaseAddress,
				 XSPIPS_CR_OFFSET);
	if (Register != XSPIPS_CR_RESET_STATE) {
		Status = (s32)XST_REGISTER_ERROR;
		goto END;
	}

	Register = XSpiPs_ReadReg(InstancePtr->Config.BaseAddress,
				 XSPIPS_SR_OFFSET);
	if (Register != XSPIPS_ISR_RESET_STATE) {
		Status = (s32)XST_REGISTER_ERROR;
		goto END;;
	}

	DelayTestNss = 0x5AU;
	DelayTestBtwn = 0xA5U;
	DelayTestAfter = 0xAAU;
	DelayTestInit = 0x55U;

	/*
	 * Write and read the delay register, just to be sure there is some
	 * hardware out there.
	 */
	Status = XSpiPs_SetDelays(InstancePtr, DelayTestNss, DelayTestBtwn,
				   DelayTestAfter, DelayTestInit);
	if (Status != (s32)XST_SUCCESS) {
		goto END;
	}

	XSpiPs_GetDelays(InstancePtr, &DelayTestNss, &DelayTestBtwn,
			&DelayTestAfter, &DelayTestInit);
	if ((0x5AU != DelayTestNss) || (0xA5U != DelayTestBtwn) ||
		(0xAAU != DelayTestAfter) || (0x55U != DelayTestInit)) {
		Status = (s32)XST_REGISTER_ERROR;
		goto END;
	}

	Status = XSpiPs_SetDelays(InstancePtr, 0U, 0U, 0U, 0U);
	if (Status != (s32)XST_SUCCESS) {
		goto END;
	}

	/*
	 * Reset the SPI device to leave it in a known good state
	 */
	XSpiPs_Reset(InstancePtr);

	Status = (s32)XST_SUCCESS;

	END:
	return Status;
}
/*****************************************************************************/
/**
*
* Runs a self-test on the driver/device. The self-test is destructive in that
* a reset of the device is performed in order to check the reset values of
* the registers and to get the device into a known state.
*
* Upon successful return from the self-test, the device is reset.
*
* @param	InstancePtr is a pointer to the XSpiPs instance.
*
* @return
* 		- XST_SUCCESS if successful
*		- XST_REGISTER_ERROR indicates a register did not read or write
*		correctly.
*
* @note		None.
*
******************************************************************************/
Runs a self-test on the driver/device. The self-test is destructive in that
a reset of the device is performed in order to check the reset values of
the registers and to get the device into a known state.

Upon successful return from the self-test, the device is reset.
Runs a self - test on the driver / device . The self - test is destructive in that a reset of the device is performed in order to check the reset values of the registers and to get the device into a known state . Upon successful return from the self - test the device is reset .
s32 XSpiPs_SelfTest(XSpiPs *InstancePtr)
{
	s32 Status;
	u32 Register;
	u8 DelayTestNss;
	u8 DelayTestBtwn;
	u8 DelayTestAfter;
	u8 DelayTestInit;
	Xil_AssertNonvoid(InstancePtr != NULL);
	Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
	XSpiPs_Reset(InstancePtr);
	Register = XSpiPs_ReadReg(InstancePtr->Config.BaseAddress,
				 XSPIPS_CR_OFFSET);
	if (Register != XSPIPS_CR_RESET_STATE) {
		Status = (s32)XST_REGISTER_ERROR;
		goto END;
	}
	Register = XSpiPs_ReadReg(InstancePtr->Config.BaseAddress,
				 XSPIPS_SR_OFFSET);
	if (Register != XSPIPS_ISR_RESET_STATE) {
		Status = (s32)XST_REGISTER_ERROR;
		goto END;;
	}
	DelayTestNss = 0x5AU;
	DelayTestBtwn = 0xA5U;
	DelayTestAfter = 0xAAU;
	DelayTestInit = 0x55U;
	Status = XSpiPs_SetDelays(InstancePtr, DelayTestNss, DelayTestBtwn,
				   DelayTestAfter, DelayTestInit);
	if (Status != (s32)XST_SUCCESS) {
		goto END;
	}
	XSpiPs_GetDelays(InstancePtr, &DelayTestNss, &DelayTestBtwn,
			&DelayTestAfter, &DelayTestInit);
	if ((0x5AU != DelayTestNss) || (0xA5U != DelayTestBtwn) ||
		(0xAAU != DelayTestAfter) || (0x55U != DelayTestInit)) {
		Status = (s32)XST_REGISTER_ERROR;
		goto END;
	}
	Status = XSpiPs_SetDelays(InstancePtr, 0U, 0U, 0U, 0U);
	if (Status != (s32)XST_SUCCESS) {
		goto END;
	}
	XSpiPs_Reset(InstancePtr);
	Status = (s32)XST_SUCCESS;
	END:
	return Status;
}
s32 XSpiPs_SelfTest ( XSpiPs * InstancePtr ) { s32 Status ; u32 Register ; u8 DelayTestNss ; u8 DelayTestBtwn ; u8 DelayTestAfter ; u8 DelayTestInit ; Xil_AssertNonvoid ( InstancePtr != NULL ) ; Xil_AssertNonvoid ( InstancePtr -> IsReady == XIL_COMPONENT_IS_READY ) ; XSpiPs_Reset ( InstancePtr ) ; Register = XSpiPs_ReadReg ( InstancePtr -> Config . BaseAddress , XSPIPS_CR_OFFSET ) ; if ( Register != XSPIPS_CR_RESET_STATE ) { Status = ( s32 ) XST_REGISTER_ERROR ; goto END ; } Register = XSpiPs_ReadReg ( InstancePtr -> Config . BaseAddress , XSPIPS_SR_OFFSET ) ; if ( Register != XSPIPS_ISR_RESET_STATE ) { Status = ( s32 ) XST_REGISTER_ERROR ; goto END ; ; } DelayTestNss = 0x5AU ; DelayTestBtwn = 0xA5U ; DelayTestAfter = 0xAAU ; DelayTestInit = 0x55U ; Status = XSpiPs_SetDelays ( InstancePtr , DelayTestNss , DelayTestBtwn , DelayTestAfter , DelayTestInit ) ; if ( Status != ( s32 ) XST_SUCCESS ) { goto END ; } XSpiPs_GetDelays ( InstancePtr , & DelayTestNss , & DelayTestBtwn , & DelayTestAfter , & DelayTestInit ) ; if ( ( 0x5AU != DelayTestNss ) || ( 0xA5U != DelayTestBtwn ) || ( 0xAAU != DelayTestAfter ) || ( 0x55U != DelayTestInit ) ) { Status = ( s32 ) XST_REGISTER_ERROR ; goto END ; } Status = XSpiPs_SetDelays ( InstancePtr , 0U , 0U , 0U , 0U ) ; if ( Status != ( s32 ) XST_SUCCESS ) { goto END ; } XSpiPs_Reset ( InstancePtr ) ; Status = ( s32 ) XST_SUCCESS ; END : return Status ; }
Runs a self-test on the driver/device.
Runs a self - test on the driver / device .
/*
	 * Reset the SPI device to leave it in a known good state
	 */ /*
	 * All the SPI registers should be in their default state right now.
	 */ /*
	 * Write and read the delay register, just to be sure there is some
	 * hardware out there.
	 */ /*
	 * Reset the SPI device to leave it in a known good state
	 */