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Hello
3.1.13.2
ttymxc3 Testing
#stty ‐F /dev/ttymxc3 ‐echo
#cat /dev/ttymxc3 &
#echo Hello > /dev/ttymxc3
Hello
3.1.13.3
/ttymxc4 Testing
#stty ‐F /dev/ttymxc4 ‐echo
#cat /dev/ttymxc4 &
#echo Hello > /dev/ttymxc4
Hello
3.1.14
Watchdog Timer Test
Step 1: Executing' wdt_driver_test.out '
#/unit_tests/wdt_driver_test.out
Usage: wdt_driver_test <timeout> <sleep> <test>
timeout: value in seconds to cause wdt timeout/reset
sleep: value in seconds to service the wdt
test: 0 ‐ Service wdt with ioctl(), 1 ‐ with write()
Step 2: Please try below command to set timeout as 10 seconds, system will reboot
after then.
#/unit_tests/wdt_driver_test.out 10 5 0
Starting wdt_driver (timeout: 10, sleep: 5, test: ioctl)
Trying to set timeout value=10 seconds
The actual timeout was set to 10 seconds
Now reading back ‐‐ The timeout is 10 seconds
Press [CTRL+C] then you should be able to see below result:
imx2‐wdt imx2‐wdt.0: Unexpected close: Expect reboot!
Then system will reboot in 10 seconds
3.1.15
Audio Test
Execute the following commands to run the Audio demo application on ROM-3420.
#cd /unit_tests
#aplay audio8k16S.wav
Then you can hear the music from speaker/head-sets.
3.1.16
Photo Demo Test
Execute the following commands to run the Photo demo application on ROM-3420.
#cd /tools
#./fbv Advantech.jpg
Then you can see the photo demo on the default display screen.
19
ROM-3420 User Manual
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