/**
*
* Run a self-test on the driver/device. The test
* - Resets the device,
* - Writes a value into the Alarm Threshold register and reads it back
* for comparison.
* - Resets the device again.
*
*
* @param InstancePtr is a pointer to the XSysMon instance.
*
* @return
* - XST_SUCCESS if the value read from the Alarm Threshold
* register is the same as the value written.
* - XST_FAILURE Otherwise
*
* @note This is a destructive test in that resets of the device are
* performed. Refer to the device specification for the
* device status after the reset operation.
*
******************************************************************************/
int XSysMon_SelfTest(XSysMon *InstancePtr)
{
int Status;
u32 RegValue;
/*
* Assert the argument
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Reset the device to get it back to its default state
*/
XSysMon_Reset(InstancePtr);
/*
* Write a value into the Alarm Threshold registers, read it back, and
* do the comparison
*/
XSysMon_SetAlarmThreshold(InstancePtr, XSM_ATR_VCCINT_UPPER,
XSM_ATR_TEST_VALUE);
RegValue = XSysMon_GetAlarmThreshold(InstancePtr, XSM_ATR_VCCINT_UPPER);
if (RegValue == XSM_ATR_TEST_VALUE) {
Status = XST_SUCCESS;
} else {
Status = XST_FAILURE;
}
/*
* Reset the device again to its default state.
*/
XSysMon_Reset(InstancePtr);
/*
* Return the test result.
*/
return Status;
}
/**
*
* This function runs a test on the System Monitor/ADC device using the
* driver APIs.
*
* The function does the following tasks:
* - Initiate the System Monitor/ADC device driver instance
* - Run self-test on the device
* - Reset the device
* - Set up alarm for VCCINT
* - Set up the configuration registers for single channel continuous mode
* for VCCINT channel
* - Setup interrupt system
* - Enable interrupts
* - Wait until the VCCINT alarm interrupt occurs
*
* @param IntcInstancePtr is a pointer to the Interrupt Controller
* driver Instance.
* @param SysMonInstPtr is a pointer to the XSysMon driver Instance.
* @param SysMonDeviceId is the XPAR_<SYSMON_ADC_instance>_DEVICE_ID value
* from xparameters.h.
* @param SysMonIntrId is
* XPAR_<INTC_instance>_<SYSMON_ADC_instance>_VEC_ID
* value from xparameters.h
*
* @return
* - XST_SUCCESS if the example has completed successfully.
* - XST_FAILURE if the example has failed.
*
* @note This function may never return if no interrupt occurs.
*
****************************************************************************/
int SysMonSingleChannelIntrExample(XIntc* IntcInstancePtr,
XSysMon* SysMonInstPtr,
u16 SysMonDeviceId,
u16 SysMonIntrId)
{
int Status;
XSysMon_Config *ConfigPtr;
u16 VccintData;
u32 IntrStatus;
/*
* Initialize the SysMon driver.
*/
ConfigPtr = XSysMon_LookupConfig(SysMonDeviceId);
if (ConfigPtr == NULL) {
return XST_FAILURE;
}
XSysMon_CfgInitialize(SysMonInstPtr, ConfigPtr, ConfigPtr->BaseAddress);
/*
* Self Test the System Monitor/ADC device.
*/
Status = XSysMon_SelfTest(SysMonInstPtr);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Set the ADCCLK frequency equal to 1/32 of System clock for the System
* Monitor/ADC in the Configuration Register 2.
*/
XSysMon_SetAdcClkDivisor(SysMonInstPtr, 32);
/*
* Set the sequencer in Single channel mode.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_SINGCHAN);
/*
* Set the configuration registers for single channel continuous mode
* of operation for the VCCINT channel.
*/
Status= XSysMon_SetSingleChParams(SysMonInstPtr, XSM_CH_VCCINT,
FALSE, FALSE, FALSE);
if(Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Disable all the alarms in the Configuration Register 1.
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, 0x0);
/*
* Set up Alarm threshold registers for the VCCINT
* High limit and lower limit so that the alarm does not occur.
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCINT_UPPER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCINT_LOWER, 0x0);
/*
* Setup the interrupt system.
*/
Status = SysMonSetupInterruptSystem(IntcInstancePtr,
SysMonInstPtr,
SysMonIntrId);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Clear any bits set in the Interrupt Status Register.
*/
IntrStatus = XSysMon_IntrGetStatus(SysMonInstPtr);
XSysMon_IntrClear(SysMonInstPtr, IntrStatus);
/*
* Enable EOC interrupt and Alarm 1 interrupt for on-chip VCCINT.
*/
XSysMon_IntrEnable(SysMonInstPtr, XSM_IPIXR_EOC_MASK |
XSM_IPIXR_VCCINT_MASK);
/*
* Enable global interrupt of System Monitor.
*/
XSysMon_IntrGlobalEnable(SysMonInstPtr);
/*
* Wait till the End of Conversion occurs.
*/
EocFlag = FALSE; /* Clear the EOC Flag */
while (EocFlag != TRUE);
/*
* Read the ADC converted Data from the data registers for VCCINT.
*/
VccintData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_VCCINT);
/*
* Set up Alarm threshold registers for the VCCINT
* High limit and lower limit so that the alarm occurs.
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCINT_UPPER,
VccintData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCINT_LOWER,
VccintData - 0x007F);
VccintIntr = FALSE; /* Clear the flag */
/*
* Enable Alarm 1 for VCCINT
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, XSM_CFR1_ALM_VCCINT_MASK);
/*
* Wait until an Alarm 1 interrupt occurs.
*/
while (1) {
if (VccintIntr == TRUE) {
/*
* Alarm 1 - VCCINT alarm interrupt has occurred.
* The required processing should be put here.
*/
break;
}
}
/*
* Disable global interrupt of System Monitor.
*/
XSysMon_IntrGlobalDisable(SysMonInstPtr);
return XST_SUCCESS;
}
/**
*
* This function runs a test on the System Monitor/ADC device using the
* driver APIs.
*
* The function does the following tasks:
* - Initiate the System Monitor/ADC device driver instance
* - Run self-test on the device
* - Reset the device
* - Set up alarms for on-chip temperature and VCCAUX
* - Set up sequence registers to continuously monitor on-chip temperature
* and VCCAUX
* - Setup interrupt system
* - Enable interrupts
* - Set up configuration registers to start the sequence
* - Wait until temperature alarm interrupt or VCCAUX alarm interrupt
* occurs
*
* @param IntcInstancePtr is a pointer to the Interrupt Controller
* driver Instance.
* @param SysMonInstPtr is a pointer to the XSysMon driver Instance.
* @param SysMonDeviceId is the XPAR_<SYSMON_ADC_instance>_DEVICE_ID value
* from xparameters.h.
* @param SysMonIntrId is
* XPAR_<INTC_instance>_<SYSMON_ADC_instance>_VEC_ID value from
* xparameters.h
* @param Temp is an output parameter, it is a pointer through which the
* current temperature value is returned to the main function.
*
* @return
* - XST_SUCCESS if the example has completed successfully.
* - XST_FAILURE if the example has failed.
*
* @note This function may never return if no interrupt occurs.
*
****************************************************************************/
int SysMonIntrExample(XIntc* IntcInstancePtr, XSysMon* SysMonInstPtr,
u16 SysMonDeviceId, u16 SysMonIntrId, int *Temp)
{
int Status;
XSysMon_Config *ConfigPtr;
u16 TempData;
u16 VccauxData;
u32 IntrStatus;
/*
* Initialize the SysMon driver.
*/
ConfigPtr = XSysMon_LookupConfig(SysMonDeviceId);
if (ConfigPtr == NULL) {
return XST_FAILURE;
}
XSysMon_CfgInitialize(SysMonInstPtr, ConfigPtr, ConfigPtr->BaseAddress);
/*
* Self Test the System Monitor/ADC device.
*/
Status = XSysMon_SelfTest(SysMonInstPtr);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Disable the Channel Sequencer before configuring the Sequence
* registers.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_SAFE);
/*
* Setup the Averaging to be done for the channels in the
* Configuration 0 register as 16 samples:
*/
XSysMon_SetAvg(SysMonInstPtr, XSM_AVG_16_SAMPLES);
/*
* Setup the Sequence register for 1st Auxiliary channel
* Setting is:
* - Add acquisition time by 6 ADCCLK cycles.
* - Bipolar Mode
*
* Setup the Sequence register for 16th Auxiliary channel
* Setting is:
* - Add acquisition time by 6 ADCCLK cycles.
* - Unipolar Mode
*/
Status = XSysMon_SetSeqInputMode(SysMonInstPtr, XSM_SEQ_CH_AUX00);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = XSysMon_SetSeqAcqTime(SysMonInstPtr, XSM_SEQ_CH_AUX15 |
XSM_SEQ_CH_AUX00);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the averaging on the following channels in the Sequencer
* registers:
* - On-chip Temperature
* - On-chip VCCAUX supply sensor
* - 1st Auxiliary Channel
* - 16th Auxiliary Channel
*/
Status = XSysMon_SetSeqAvgEnables(SysMonInstPtr, XSM_SEQ_CH_TEMP |
XSM_SEQ_CH_VCCAUX |
XSM_SEQ_CH_AUX00 |
XSM_SEQ_CH_AUX15);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the following channels in the Sequencer registers:
* - On-chip Temperature
* - On-chip VCCAUX supply sensor
* - 1st Auxiliary Channel
* - 16th Auxiliary Channel
*/
Status = XSysMon_SetSeqChEnables(SysMonInstPtr, XSM_SEQ_CH_TEMP |
XSM_SEQ_CH_VCCAUX |
XSM_SEQ_CH_AUX00 |
XSM_SEQ_CH_AUX15);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Set the ADCCLK frequency equal to 1/32 of System clock for the System
* Monitor/ADC in the Configuration Register 2.
*/
XSysMon_SetAdcClkDivisor(SysMonInstPtr, 32);
/*
* Enable the Channel Sequencer in continuous sequencer cycling mode.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_CONTINPASS);
/*
* Wait till the End of Sequence occurs
*/
XSysMon_GetStatus(SysMonInstPtr); /* Clear the old status */
while ((XSysMon_GetStatus(SysMonInstPtr) & XSM_SR_EOS_MASK) !=
XSM_SR_EOS_MASK);
/*
* Read the ADC converted Data from the data registers for on-chip
* temperature and on-chip VCCAUX voltage.
*/
TempData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_TEMP);
VccauxData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_VCCAUX);
/*
* Convert the ADC data into temperature
*/
*Temp = XSysMon_RawToTemperature(TempData);
/*
* Disable all the alarms in the Configuration Register 1.
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, 0x0);
/*
* Set up Alarm threshold registers for the on-chip temperature and
* VCCAUX High limit and lower limit so that the alarms DONOT occur.
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_UPPER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_LOWER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_UPPER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_LOWER, 0x0);
/*
* Setup the interrupt system.
*/
Status = SysMonSetupInterruptSystem(IntcInstancePtr,
SysMonInstPtr,
SysMonIntrId);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Clear any bits set in the Interrupt Status Register.
*/
IntrStatus = XSysMon_IntrGetStatus(SysMonInstPtr);
XSysMon_IntrClear(SysMonInstPtr, IntrStatus);
/*
* Enable Alarm 0 interrupt for on-chip temperature and Alarm 2
* interrupt for on-chip VCCAUX.
*/
XSysMon_IntrEnable(SysMonInstPtr,
XSM_IPIXR_TEMP_MASK |
XSM_IPIXR_VCCAUX_MASK);
/*
* Enable global interrupt of System Monitor.
*/
XSysMon_IntrGlobalEnable(SysMonInstPtr);
/*
* Set up Alarm threshold registers for
* On-chip Temperature High limit
* On-chip Temperature Low limit
* VCCAUX High limit
* VCCAUX Low limit
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_UPPER,
TempData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_LOWER,
TempData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_UPPER,
VccauxData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_LOWER,
VccauxData + 0x007F);
/*
* Enable Alarm 0 for on-chip temperature and Alarm 2 for on-chip
* VCCAUX in the Configuration Register 1.
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, (XSM_CFR1_ALM_VCCAUX_MASK |
XSM_CFR1_ALM_TEMP_MASK));
/*
* Wait until an Alarm 0 or Alarm 2 interrupt occurs.
*/
while (1) {
if (TemperatureIntr == TRUE) {
/*
* Alarm 0 - Temperature alarm interrupt has occurred.
* The required processing should be put here.
*/
break;
}
if (VccauxIntr == TRUE) {
/*
* Alarm 2 - VCCAUX alarm interrupt has occurred.
* The required processing should be put here.
*/
break;
}
}
/*
* Disable global interrupt of System Monitor.
*/
XSysMon_IntrGlobalDisable(SysMonInstPtr);
return XST_SUCCESS;
}
/**
*
* This function runs a test on the System Monitor/ADC device using the
* driver APIs.
* This function does the following tasks:
* - Initiate the System Monitor device driver instance
* - Run self-test on the device
* - Setup alarms for on-chip temperature and VCCAUX
* - Setup the sequence registers to continuously monitor on-chip
* temperature and VCCAUX
* - Setup configuration registers to start the sequence
* - Read latest on-chip temperature and VCCAUX, as well as their maximum
* and minimum values. Also check if alarm(s) are set
*
* @param SysMonDeviceId is the XPAR_<SYSMON_ADC_instance>_DEVICE_ID value
* from xparameters.h.
* @param Temp is an output parameter, it is a pointer through which the
* current temperature value is returned to the main function.
*
* @return
* - XST_SUCCESS if the example has completed successfully.
* - XST_FAILURE if the example has failed.
*
* @note None
*
****************************************************************************/
int SysMonPolledExample(u16 SysMonDeviceId, int *Temp)
{
int Status;
volatile u32 Value;
XSysMon_Config *ConfigPtr;
u16 TempData;
u16 VccauxData;
XSysMon *SysMonInstPtr = &SysMonInst;
/*
* Initialize the SysMon driver.
*/
ConfigPtr = XSysMon_LookupConfig(SysMonDeviceId);
if (ConfigPtr == NULL) {
return XST_FAILURE;
}
XSysMon_CfgInitialize(SysMonInstPtr, ConfigPtr,
ConfigPtr->BaseAddress);
/*
* Self Test the System Monitor/ADC device
*/
Status = XSysMon_SelfTest(SysMonInstPtr);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Disable the Channel Sequencer before configuring the Sequence
* registers.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_SAFE);
/*
* Setup the Averaging to be done for the channels in the
* Configuration 0 register as 16 samples:
*/
XSysMon_SetAvg(SysMonInstPtr, XSM_AVG_16_SAMPLES);
/*
* Setup the Sequence register for 1st Auxiliary channel
* Setting is:
* - Add acquisition time by 6 ADCCLK cycles.
* - Bipolar Mode
*
* Setup the Sequence register for 16th Auxiliary channel
* Setting is:
* - Add acquisition time by 6 ADCCLK cycles.
* - Unipolar Mode
*/
Status = XSysMon_SetSeqInputMode(SysMonInstPtr, XSM_SEQ_CH_AUX00);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = XSysMon_SetSeqAcqTime(SysMonInstPtr, XSM_SEQ_CH_AUX15 |
XSM_SEQ_CH_AUX00);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the averaging on the following channels in the Sequencer
* registers:
* - On-chip Temperature
* - On-chip VCCAUX supply sensor
* - 1st Auxiliary Channel
* - 16th Auxiliary Channel
*/
Status = XSysMon_SetSeqAvgEnables(SysMonInstPtr, XSM_SEQ_CH_TEMP |
XSM_SEQ_CH_VCCAUX |
XSM_SEQ_CH_AUX00 |
XSM_SEQ_CH_AUX15);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the following channels in the Sequencer registers:
* - On-chip Temperature
* - On-chip VCCAUX supply sensor
* - 1st Auxiliary Channel
* - 16th Auxiliary Channel
*/
Status = XSysMon_SetSeqChEnables(SysMonInstPtr, XSM_SEQ_CH_TEMP |
XSM_SEQ_CH_VCCAUX |
XSM_SEQ_CH_AUX00 |
XSM_SEQ_CH_AUX15);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Set the ADCCLK frequency equal to 1/32 of System clock for the System
* Monitor/ADC in the Configuration Register 2.
*/
XSysMon_SetAdcClkDivisor(SysMonInstPtr, 32);
/*
* Enable the Channel Sequencer in continuous sequencer cycling mode.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_CONTINPASS);
/*
* Wait till the End of Sequence occurs
*/
XSysMon_GetStatus(SysMonInstPtr); /* Clear the old status */
while ((XSysMon_GetStatus(SysMonInstPtr) & XSM_SR_EOS_MASK) !=
XSM_SR_EOS_MASK);
/*
* Disable all the alarms in the Configuration Register 1
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, 0x0);
/*
* Read the ADC converted Data from the data registers for on-chip
* temperature and on-chip VCCAUX
*/
TempData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_TEMP);
VccauxData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_VCCAUX);
/*
* Convert the ADC data into temperature
*/
*Temp = XSysMon_RawToTemperature(TempData);
/*
* Set up Alarm threshold registers for
* On-chip Temperature High limit
* On-chip Temperature Low limit
* VCCAUX High limit
* VCCAUX Low limit
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_UPPER,
TempData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_LOWER,
TempData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_UPPER,
VccauxData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_LOWER,
VccauxData + 0x007F);
/*
* Enable Alarm 0 for on-chip temperature and Alarm 2 for on-chip
* VCCAUX in the Configuration Register 1.
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, (XSM_CFR1_ALM_VCCAUX_MASK |
XSM_CFR1_ALM_TEMP_MASK));
/*
* Enable the Channel Sequencer in continuous cycling mode.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_CONTINPASS);
/*
* Read the current value of on-chip Temperature.
*/
Value = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_TEMP);
/*
* Read the Maximum value of on-chip Temperature.
*/
Value = XSysMon_GetMinMaxMeasurement(SysMonInstPtr, XSM_MAX_TEMP);
/*
* Read the Minimum value of on-chip Temperature.
*/
Value = XSysMon_GetMinMaxMeasurement(SysMonInstPtr, XSM_MIN_TEMP);
/*
* Check if alarm for on-chip temperature is set.
*/
Value = XSysMon_GetAlarmOutputStatus(SysMonInstPtr) & XSM_AOR_TEMP_MASK;
if (Value) {
/*
* Alarm for on-chip temperature is set.
* The required processing should be put here.
*/
}
/*
* Read the current value of on-chip VCCAUX.
*/
Value = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_VCCAUX);
/*
* Read the Maximum value of on-chip VCCAUX.
*/
Value = XSysMon_GetMinMaxMeasurement(SysMonInstPtr, XSM_MAX_VCCAUX);
/*
* Read the Minimum value of on-chip VCCAUX.
*/
Value = XSysMon_GetMinMaxMeasurement(SysMonInstPtr, XSM_MIN_VCCAUX);
/*
* Check if alarm for on-chip VCCAUX is set.
*/
Value = XSysMon_GetAlarmOutputStatus(SysMonInstPtr) &
XSM_AOR_VCCAUX_MASK;
if (Value) {
/*
* Alarm for on-chip VCCAUX is set.
* The required processing should be put here.
*/
}
return XST_SUCCESS;
}
int SysMonIntrExample(XIntc* IntcInstancePtr, XSysMon* SysMonInstPtr,
u16 SysMonDeviceId, u16 SysMonIntrId, int *Temp)
{
int Status;
XSysMon_Config *ConfigPtr;
u32 TempData;
u32 VccauxData;
u32 VccintData;
u32 IntrStatus;
int i, j;
unsigned int whole1, thousandths1;
unsigned int whole2, thousandths2;
unsigned int whole3, thousandths3;
/*
* Initialize the SysMon driver.
*/
//xil_printf("XSysMon intr example\r\n");
ConfigPtr = XSysMon_LookupConfig(SysMonDeviceId);
if (ConfigPtr == NULL) {
return XST_FAILURE;
}
//xil_printf("XSysMon_CfgInitialize\r\n");
XSysMon_CfgInitialize(SysMonInstPtr, ConfigPtr, ConfigPtr->BaseAddress);
/*
* Self Test the System Monitor/ADC device.
*/
//xil_printf("XSysMon_SelfTest\r\n");
Status = XSysMon_SelfTest(SysMonInstPtr);
if (Status != XST_SUCCESS) {
xil_printf("XSysMon_SelfTest failed\r\n");
return XST_FAILURE;
}
/*
* Disable the Channel Sequencer before configuring the Sequence
* registers.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_SINGCHAN);
/*
* Setup the Averaging to be done for the channels in the
* Configuration 0 register as 16 samples:
*/
XSysMon_SetAvg(SysMonInstPtr, XSM_AVG_16_SAMPLES);
#if 0
/*
* Setup the Sequence register for 1st Auxiliary channel
* Setting is:
* - Add acquisition time by 6 ADCCLK cycles.
* - Bipolar Mode
*
* Setup the Sequence register for 16th Auxiliary channel
* Setting is:
* - Add acquisition time by 6 ADCCLK cycles.
* - Unipolar Mode
*/
Status = XSysMon_SetSeqInputMode(SysMonInstPtr, XSM_SEQ_CH_AUX00);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
Status = XSysMon_SetSeqAcqTime(SysMonInstPtr, XSM_SEQ_CH_AUX15 |
XSM_SEQ_CH_AUX00);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
#endif
/*
* Enable the averaging on the following channels in the Sequencer
* registers:
* - On-chip Temperature
* - On-chip VCCAUX supply sensor
* - 1st Auxiliary Channel
* - 16th Auxiliary Channel
*/
Status = XSysMon_SetSeqAvgEnables(SysMonInstPtr, XSM_SEQ_CH_TEMP |
/* XSM_SEQ_CH_AUX00 | */
/* XSM_SEQ_CH_AUX15 | */
XSM_SEQ_CH_VCCINT |
XSM_SEQ_CH_VCCAUX );
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Enable the following channels in the Sequencer registers:
* - On-chip Temperature
* - On-chip VCCAUX supply sensor
* - 1st Auxiliary Channel
* - 16th Auxiliary Channel
*/
Status = XSysMon_SetSeqChEnables(SysMonInstPtr, XSM_SEQ_CH_TEMP |
/* XSM_SEQ_CH_AUX00 | */
/* XSM_SEQ_CH_AUX15 | */
XSM_SEQ_CH_VCCINT |
XSM_SEQ_CH_VCCAUX );
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Set the ADCCLK frequency equal to 1/32 of System clock for the System
* Monitor/ADC in the Configuration Register 2.
*/
XSysMon_SetAdcClkDivisor(SysMonInstPtr, 32);
/*
* Enable the Channel Sequencer in continuous sequencer cycling mode.
*/
XSysMon_SetSequencerMode(SysMonInstPtr, XSM_SEQ_MODE_CONTINPASS);
/*
* Disable all the alarms in the Configuration Register 1.
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, 0x0);
/*
* Wait till the End of Sequence occurs
*/
XSysMon_GetStatus(SysMonInstPtr); /* Clear the old status */
i = 0;
while(i < 10)
{
if((XSysMon_GetStatus(SysMonInstPtr) & XSM_SR_EOS_MASK) !=
XSM_SR_EOS_MASK)
continue;
/*
* Read the ADC converted Data from the data registers for on-chip
* temperature and on-chip VCCAUX voltage.
*/
TempData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_TEMP);
VccauxData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_VCCAUX);
VccintData = XSysMon_GetAdcData(SysMonInstPtr, XSM_CH_VCCINT);
/*
* Convert the ADC data into temperature
*/
*Temp = XSysMon_RawToTemperature(TempData);
t = (float) XSysMon_RawToTemperature(TempData);
vint = (float) XSysMon_RawToVoltage(VccintData);
vaux = (float) XSysMon_RawToVoltage(VccauxData);
whole1 = t;
thousandths1 = (t - whole1) * 1000;
whole2 = vint;
thousandths2 = (vint - whole2) * 1000;
whole3 = vaux;
thousandths3 = (vaux - whole3) * 1000;
//xil_printf("Temperature: 0x%x, Vccint: 0x%x Vccaux: 0x%x [Exit: press any key]\r\n",
// TempData, VccintData, VccauxData);
printf("Temperature: %d.%3dC, Vccint: %d.%3dV Vccaux: %d.%3dV\r\n",
whole1, thousandths1, whole2, thousandths2, whole3, thousandths3);
for(j=0; j<10000;j++); // some delay
//if(!XUartNs550_IsReceiveData(STDIN_BASEADDRESS))
//{
// continue;
//}
//else
//{
// XUartNs550_ReadReg(STDIN_BASEADDRESS, XUN_RBR_OFFSET);
// return 0;
//}
i++;
}
#if 0
/*
* Set up Alarm threshold registers for the on-chip temperature and
* VCCAUX High limit and lower limit so that the alarms DONOT occur.
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_UPPER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_LOWER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_UPPER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_LOWER, 0x0);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCINT_UPPER, 0xFFFF);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCINT_LOWER, 0x0);
/*
* Setup the interrupt system.
*/
Status = SysMonSetupInterruptSystem(IntcInstancePtr,
SysMonInstPtr,
SysMonIntrId);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
#endif
/*
* Clear any bits set in the Interrupt Status Register.
*/
IntrStatus = XSysMon_IntrGetStatus(SysMonInstPtr);
XSysMon_IntrClear(SysMonInstPtr, IntrStatus);
#if 0
/*
* Enable Alarm 0 interrupt for on-chip temperature and Alarm 2
* interrupt for on-chip VCCAUX.
*/
XSysMon_IntrEnable(SysMonInstPtr,
XSM_IPIXR_TEMP_MASK |
XSM_IPIXR_VCCAUX_MASK);
/*
* Enable global interrupt of System Monitor.
*/
XSysMon_IntrGlobalEnable(SysMonInstPtr);
/*
* Set up Alarm threshold registers for
* On-chip Temperature High limit
* On-chip Temperature Low limit
* VCCAUX High limit
* VCCAUX Low limit
*/
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_UPPER,
TempData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_TEMP_LOWER,
TempData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_UPPER,
VccauxData - 0x007F);
XSysMon_SetAlarmThreshold(SysMonInstPtr, XSM_ATR_VCCAUX_LOWER,
VccauxData + 0x007F);
/*
* Enable Alarm 0 for on-chip temperature and Alarm 2 for on-chip
* VCCAUX in the Configuration Register 1.
*/
XSysMon_SetAlarmEnables(SysMonInstPtr, (XSM_CFR1_ALM_VCCAUX_MASK |
XSM_CFR1_ALM_TEMP_MASK));
/*
* Wait until an Alarm 0 or Alarm 2 interrupt occurs.
*/
while (1) {
if (TemperatureIntr == TRUE) {
/*
* Alarm 0 - Temperature alarm interrupt has occurred.
* The required processing should be put here.
*/
break;
}
if (VccauxIntr == TRUE) {
/*
* Alarm 2 - VCCAUX alarm interrupt has occurred.
* The required processing should be put here.
*/
break;
}
}
#endif
/*
* Disable global interrupt of System Monitor.
*/
XSysMon_IntrGlobalDisable(SysMonInstPtr);
return XST_SUCCESS;
}
