11
5
Picture Request via SMS
You can take pictures on-demand with the
snapshot
SMS command, using the following structure:
password snapshot 3
After sending the SMS command, the tracking device will send a response, using the following
structure:
snapshot 3 <answer>
<answer>
can be one of the following:
•
ok
–
indicates that the fatigue sensor took a picture successfully;
•
busy
–
indicates that the fatigue sensor is busy with a previously taken picture at the
moment;
•
n/a
–
indicates that the fatigue sensor is either not configured, not connected or not
responding;
•
fullsd
–
indicates that the memory of the SD card is full and the picture will be discarded, as
there are no pictures to be overwritten;
•
err
–
indicates that there was an error.
If the SD card is missing and the SMS command
snapshot
is received, the device responds with
sdcard missing
.
Example:
Request:
password snapshot 3
Response:
snapshot 3 ok