Philips Semiconductors
UM_1SPP
BGB203 BT 2.0 Serial Port Profile Module User’s Guide
Note that in all cases, the remaining UART signals (RTS, CTS,
TX, and RX) are utilized the same regardless of the type of
emulation that is configured (i.e. RX is always an input, TX is
always an output, etc.). Also note that DTR/DSR flow control
must be enabled in the UART flags to correctly process the
DTR/DSR signals (if DTR/DSR is used).
Ignore/process escape sequence
This option enables/disables the ability to utilize a configurable
escape sequence to exit from data mode to command mode. If
the escape sequence processing is disabled then there is no
combination of data bytes that can force a change from data
mode to command mode.
Suppress command responses
This option enables/disables command responses from
accepted commands in command mode. If command responses
are suppressed, then there will be no data received from the
device that was not received over the Bluetooth link (this means
no OK/ERROR responses as well as no command results).
Configure DTR/DSR to enter command mode
This option can be configured to allow the modem signal
DTR/DSR (depending upon if the device is configured as a DCE
or DTE) to be used as a transition from data mode to command.
This option can be used to enter command if the escape
sequence processing is disabled. Note that for this to work
correctly, the UART must have DTR/DSR enabled in the Flow
control flags.
Enable/disable a GPIO output to signify Bluetooth
connection
This option can be used to force the device to output a signal
reflecting the current state of the Bluetooth connection (actively
connected or not connected). This signal can be tied to an LED
or can be monitored externally. This feature is useful in the case
where RI, CD, DTR, DSR is configured in the pass-through
mode and the connection state is required (since CD cannot be
monitored).
Note that if configuration options are set that they will not be saved to
Flash (unless the save to Flash command is used afterward).
Format:
AT+BTCFG=<CFG>
where,
<CFG> is an integer value that represents the configuration
? 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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