12.14 How The Rtc Is Exposed - Eurotech ReliaGATE 10-12-6 Series User Manual

ReliaGATE 10-12 User manual Rev. 2-1

12.14 How the RTC is exposed

The ReliaGATE 10-12 exposes the RTC as follows:
RTC:
l
/dev/rtc1 offers three read-only timestamp registers:
Timestamp register
sys/class/rtc/rtc1/device/timestamp1
sys/class/rtc/rtc1/device/timestamp2
sys/class/rtc/rtc1/device/timestamp3
To read a timestamp (for example: timestamp2), enter the following command:
cat /sys/class/rtc/rtc1/device/timestamp2
/dev/rtc1
What it contains
Reserved data
The timestamp that the system last lost power (only if a successful
initialization has been achieved)
The timestamp that the system last has been powered
(only if a successful initialization has been achieved)
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