User guide

Developers guidelines | AT commands
278 June 2010
AT*SEPING SE ping command
AT*SEAULS SE audio line status
<data> Description
Character string Each byte of data is encoded into a hexadecimal
number represented by two characters
<ecode>:
<ecode> Description
0–63 Valid values
0 No error
1 Operation not permitted
2 No such file or directory
20 Not a directory
28 Not enough space
<nr_of_bytes>:
<nr_of_bytes> Description
Integer number The number of bytes that was read, that is, the size
of the file
Description: Informs accessories if the AT command server in the “application” part of
the phone is up and running.
Note: There are two AT command servers in the phone: one in the plat-
form and one in the application part of the phone, this command regards
the AT command server in the application part)
Note: OK response does not necessarily mean that all AT commands are
supported. For instance, if the phone is in charging only mode or waiting
for PIN verification, only a limited set of AT commands are accepted.
Execution
command: AT*SEPING
Test command: AT*SEPING=? Test if command is supported.
Description: Provides information about the audio line status and audio type. With the
set command, it is possible to enable the unsolicted *SEAULSI.
*SEAULSI is sent each time either the audio channel switches accessories
or when some audio starts or stops playing. Audio line status = 1 is sent to
the accessory that has the audio authority and 0 to the rest. The audio type
value is sent to all accessories that subscribes on *SEAULSI.
Set command: AT*SEAULS = <activation>
Set command
response: *SEAULS:<activation>,<audio_line>,<audio_type>
Read command: AT*SEAULS?
Read command
response: *SEAULS:<activation>,<audio_line>,<audio_type>