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Philips Semiconductors
UM_1SPP
BGB203 BT 2.0 Serial Port Profile Module User’s Guide
AT+BTURT?
+BTURT: 115200, 8, 0, 1, 0
OK
AT+BTURT=14400,8,0,1,2
OK
+BTSRV – configure device to accept SPP connections (incoming)
Description:
This command is used to configure the local device as a Bluetooth Serial
Port Profile (SPP) server. If this command is successful, a SPP server is
created, a Service Discovery Protocol (SDP) record is added to the SDP
database, the device is set into connectable mode (other devices can
connect to the device) and (optionally) discoverable mode. Finally, the
device transitions from command mode to data mode and awaits a
remote Bluetooth connection to occur. At any time, the device can be
made to transition back to command mode by either receiving the
configured escape sequence or having DTR/DSR de-asserted (if
configured). If automatic mode is not configured, the device will
automatically return to command mode when the Bluetooth device is
disconnected (after it has been connected of course). If the device is
configured to be in automatic mode, then the device stays in data mode
and awaits another incoming Bluetooth connection.
It should be noted that if device responses have not been suppressed
(see the AT+BTCFG command) AND the device is not in automatic
mode then the device will inform the local host when a connection has
been made (and what Bluetooth device made the connection) as well as
when the device disconnects. If automatic mode is being used, then
there will be no feedback via the UART that a device is connected or
disconnected. If feedback is required then either the modem CD signal
or the active connection GPIO should be monitored.
If automatic mode has been enabled prior to the issuance of this
command AND the store to Flash setting has been enabled then special
action is taken (in addition to the actions explained above). The special
action involves saving the currently configured device information to
Flash. This will allow the possibility for the device to automatically boot
into this mode when restarted. This is useful if the host does not want to
reconfigure the device or further interact with the device. It should be
noted that when this happens, the device will boot directly into data
mode, and the host will have to perform one of the methods listed above
to re-enter command mode. If the store to Flash setting has not been
enabled for the automatic mode setting then this special processing does
not occur.
Format:
AT+BTSRV=<Port>, “<Service Name>”, <ACL BDADDR>, <Flags>,
where,
? Koninklijke Philips Electronics N.V. 2005
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Date of release:21 Dec 2005
Published in The Netherlands
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