QY-IMX6S Linux Function And Test Manual
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[*] /dev/rtcN (character devices)
[ ] RTC UIE emulation on dev interface
<*> Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025
FAQ
：
Phenomenon: Time can not be saved, time travel error is huge, can
not check hardware clock
Debug UART print the following information
：
Please check the following items
：
①
Whether BT1 on the base board ,and supports electricity ?
②
[/dev/rtc0] and [/dev/rtc1] node in [/dev ]directory ?
③
.
The kernel configuration has been configurated ?
2.3.
Watchdog Test
Test Principle:
Hardware watchdog, [GPIO_3_23] enables watchdog, [GPIO_3_22]
executes ‘feeding dog’ operations.
Test Process & Result:
1.Boot Watchdog, and execute ‘feeding dog’ operations. You can see
