xrtcpsu_set_calibration_example.c File Reference

Overview

This file contains an example using the XRtcPsu driver.

This function calculates new calibration value and updates the calibration register value.

Note

If the device does not work properly, the example may hang.

MODIFICATION HISTORY:

Ver   Who    Date     Changes



1.00  kvn 05/12/15 First Release
1.6     tjs 09/17/18 Fixed compilation warnings
1.8   sg  07/17/19 Update example sequence for finding
                new calibration values
1.13    ht  06/21/23 Added support for system device-tree flow.
1.17  vlt    12/16/25 Update Doxygen comments to include SDT flow details.

#include "xparameters.h"
#include "xrtcpsu.h"
#include "xil_printf.h"
#include <stdio.h>
#include "sleep.h"

Functions
int	RtcPsuSetCalibrationExample (UINTPTR BaseAddress)
	This function does a minimal set Calibration test on the XRtcPsu device. More...
int	main (void)
	Main function to call the Rtc set calibration example. More...

Function Documentation

int main

(

void

)

Main function to call the Rtc set calibration example.

Returns

XST_SUCCESS if successful, otherwise XST_FAILURE.

Note

None

References RtcPsuSetCalibrationExample().

int RtcPsuSetCalibrationExample

(

UINTPTR

BaseAddress

)

This function does a minimal set Calibration test on the XRtcPsu device.

This function updates the Calibration register value.

Parameters

BaseAddress

contains the base address of the device

Returns

XST_SUCCESS if successful, XST_FAILURE if unsuccessful

Note

In XSCT/classic flow, DeviceId is used to look up the device configuration.

References XRtcPsu_Config::BaseAddr, XRtcPsu::CalibrationValue, XRtcPsu_DT::Day, XRtcPsu_DT::Hour, XRtcPsu_DT::Min, XRtcPsu_DT::Month, XRtcPsu::OscillatorFreq, XRtcPsu_DT::Sec, XRtcPsu_CalculateCalibration(), XRtcPsu_CfgInitialize(), XRtcPsu_DateTimeToSec(), XRtcPsu_LookupConfig(), XRtcPsu_SelfTest(), XRtcPsu_SetTime(), and XRtcPsu_DT::Year.

Referenced by main().