EXT0004: Device Clock

• Extension dependencies: none
• Document status: Testing

This extension describes reading and changing the device’s internal clock time.

Commands

0007 Get Time

Read current device time in UTC.

Request:

<TID> 3900 0002 0007

Response:

<TID> 3900 0006 0007 <DTIME>

Field	Length	Description
DTIME	4 bytes	Unix timestamp (seconds since 1970-01-01 UTC)

Errors:

Code	Description
0010	Time reading error

0008 Set Time

Set new device time.

Request:

<TID> 3900 0006 0008 <STIME>

Response:

<TID> 3900 0006 0008 <DTIME>

Field	Length	Description
STIME	4 bytes	Time to set (Unix timestamp)
DTIME	4 bytes	Current device time (should equal STIME)

Errors:

Code	Description
0010	Time write error