Advantech TPC-71W Series, Руководство пользователя

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17 TPC-71W Series User Manual
Chapter 3
Linux Ubuntu
Check can0 status:
Send message (“123#11") to socket can0:
Recv message from socket can0:
3.6 Watchdog Setting
Enable wdt with timeout value:
Enable wdt for keepalive mode (timeout=20s, feed wdt each 10s):
Disable wdt:
root@tpc71wn10pa:~# ip -details link show can0
3: can0: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UNKNOWN mode DEFAULT
group default qlen 10
link/can promiscuity 0
can state ERROR-ACTIVE (berr-counter tx 0 rx 0) restart-ms 0
bitrate 125000 sample-point 0.875
tq 500 prop-seg 6 phase-seg1 7 phase-seg2 2 sjw 1
flexcan: tseg1 4..16 tseg2 2..8 sjw 1..4 brp 1..256 brp-inc 1
clock 30000000
root@tpc71wn10pa:~# cansend can0 123#11
root@tpc71wn10pa:~# candump can0
root@tpc71wn10pa:~# cd /usr/Advantech/EAPI_test
root@tpc71wn10pa:/usr/Advantech/EAPI_test# ./testdl_wdt -s <timeout>
# For example(enable wdt & set timeout=10s):
root@tpc71wn10pa:/usr/Advantech/EAPI_test#
./testdl_wdt -s 10
MaxDelay:0 MaxEventTimeout:0 MaxResetTimeout:6553
WDT start.
WDT timeout has been set to 10 seconds.
After that, WDT will reset CPU.
root@tpc71wn10pa:~# cd /usr/Advantech/EAPI_test
root@tpc71wn10pa:/usr/Advantech/EAPI_test# ./testdl_wdt -k
MaxDelay:0 MaxEventTimeout:0 MaxResetTimeout:6553
WDT start.
WDT timeout has been set to 20 seconds.
After that, WDT will reset CPU.
WDT keep alive.
WDT keep alive.
......
root@tpc71wn10pa:~# cd /usr/Advantech/EAPI_test
root@tpc71wn10pa:/usr/Advantech/EAPI_test# ./testdl_wdt -d
MaxDelay:0 MaxEventTimeout:0 MaxResetTimeout:6553
WDT stop.