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DevKit8500D/A User Manual - DMCS Pages for Students

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Press CONTROL+C to quit the test. The back of the test is the same.<br />

3.8.1.3 Touch Screen Testing<br />

This testing requires Linux boot from NAND FLASH<br />

1) Run the command to test the touch screen.<br />

root@DevKit8500: # ts_calibrate<br />

Then follow the LCD prompt, click the "+" icon 5 times to complete the calibration<br />

2) Calibration is complete, enter the following commands <strong>for</strong> Touch Panel Test:<br />

root@DevKit8500: # ts_test<br />

Follow the LCD prompts to choose draw point, draw line test.<br />

3.8.1.4 RTC Testing<br />

The development board contains hardware clock <strong>for</strong> save and synchronize the system time. Test<br />

can be made with the following steps:<br />

1) Set the system time as Fri Aug 8 20:00:00 2011<br />

root@DevKit8500: # date 011820002011<br />

Fri Aug 8 20:00:00 UTC 2011<br />

2) Write the system clock into RTC<br />

root@DevKit8500: # hwclock -w<br />

3) Read the RTC<br />

root@DevKit8500: # hwclock<br />

Fri Aug 8 20:00:00 UTC 2011<br />

We can see that the RTC clock has been set as August, 8, 2008; the system clock will be saved in<br />

the hardware clock.<br />

4) Restart the system, enter the following commands to renew the system clock<br />

root@DevKit8500: # hwclock -s<br />

root@DevKit8500: # date<br />

Fri Aug 8 20:00:00 UTC 2011<br />

We can see the system time is set as hardware time.<br />

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