User's Manual

64
www.lairdtech.com
Laird Technologies
BTM510/511
Bluetooth
®
Multimedia Module
7.1.15 “+CIEV” Indicators Received from AG (#2)
HFI”<indicator_string>”,<val> (S333=1, default)
HFI<indicator_id>,<val> (S333=0)
Inform the HF-host about a “+CIEV” indicator message received from the connected audio
gateway. S-Register 333 enables verbose mode for HFI indicators. Possible indicators are
listed in Table 3.29.
“+CIEV” Audio
Gateway Indicator
HFI indicator_string
(S333=1)
HFI indicator_id
(S333=0)
Section in HFP spec. [5]
Service “service” 1 4.4
Call “call” 2 All call related sections
Call Setup “callsetup” 3
Call held “callheld” 4
Signal “signal” 5 4.5
Roam “roam” 6 4.6
Battery Charge “battchg” 7 4.7
Table 3.29: +CIEV indicators in HFI message
7.1.16 Hands-Free Status
ATI65
Returns the status of the Hands-free (HFP) instance:
0 = not connected
1 = SLC connected
2 = Audio connected
3 = In call, SLC connected
4 = In call, audio connected
7.1.17 Hands-Free Asynchronous Messages
CONNECT <bd_addr
hex
>,<uuid
hex
>[,<dir>]
A Service level connection to headset has been established and initialized.
<bd_addr
hex
> : Bluetooth address of headset device
<uuid
hex
> : “111E” if it is an incoming connection
“111F” if it is an outgoing connection.
<dir> : “<”/”>”/”I”/”O”’ optionally indicates the direction (incoming/outgoing),
please refer to S331 and section 6, page 85
HF”RING”
HF has received a “RING” indication from the connected audio gateway. HF is expected to
respond with “ATA” (answer, see “AT+HFCA”) or “AT+CHUP” (see “AT+HFCH”).
HF”ERROR”
HF has received “ERROR” from the connected audio gateway. This can be due to a request
for memory dialling with invalid memory location (AT+HFC>”mmm”) or due to a request to
redial the last number (AT+HFDL) but there is no last number available in the AG.
HF”AU1”
Audio connection (SCO) has been established (= “audio on”).
HF”AU0”
Audio connection (SCO) has been released (= “audio off”).
HF”CLIP,OK”
HFG has replied with OK to reception of “AT+CLIP=1” or “AT+CLIP=0”.
AT COMMAND SET
REFERENCE