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参数资料
| 型号： | 1SPP-BT-F |
| 厂商： | Future Designs Inc |
| 文件页数： | 8/72页 |
| 文件大小： | 0K |
| 描述： | KIT DEMO BLUETOOTH |
| 标准包装： | 1 |
| 类型： | 蓝牙 |
| 频率： | 2.4GHz |
| 适用于相关产品： | BGB203 |
| 已供物品： | 2 个板和 USB 线缆 |
| 其它名称： | 622-1020 |
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Philips Semiconductors
UM_1SPP
BGB203 BT 2.0 Serial Port Profile Module User’s Guide
device. Whichever line is an input to the BGB203 chip should be lowered. The choice of
using the escape sequence or the DTR/DSR signal is configurable by the host processor.
The escape sequence to use is also configurable. The escape sequence can be
configured to be any set of characters received over the UART (from 1 to 4 characters in
length). Note that either the escape sequence method or the DTR/DSR method can be
configured, but not both. This allows the host processor multiple options for different
scenarios. Also note that when Command Mode is activated any connected Bluetooth
SPP connection is disconnected.
The second method to enter Command Mode from Data Mode happens when a
Bluetooth SPP connection is dropped. This can happen either due to a disconnected
connection or a failure to connect at all. This method can be overridden by configuring
the device in use a mode called Automatic Connection Mode. In this mode, the firmware
always stays in Data Mode when the connection is complete. In the case of a client, it
will automatically attempt to reconnect to the remote Bluetooth device. In the case of a
server, the device will simply await another incoming connection. The host processor
can monitor either Carrier Detect (CD) or the active connection output to determine when
the Bluetooth connection is actually active.
If Automatic Connection Mode is not used, the device will inform the host processor of a
connection by sending a connection string or a disconnection string. The host processor
also can monitor either Carrier Detect (CD) or the active connection output to determine
when the Bluetooth connection is active. The connection string is in the following format:
CONNECT xxxxxxxxxxxx
xxxxxxxxxxxx is the ASCII coded hexadecimal Bluetooth device address of the remote
Bluetooth device that is connected. This address will always be 12 digits in length. For
example, if a connection was made to the Bluetooth device with Bluetooth device
address 012345678ABC, the connection string will be:
CONNECT 0123456789ABC
When the device is disconnected, the string that sent to the host processor will be:
NO CARRIER
Note that a carriage return/line feed pair will also be output after the above text. Please
read the 1SPP AT command set information later in this document for more information
on the format of commands and responses. Also note that the above connection and
disconnection strings will not be output if Automatic Connection Mode is configured.
Automatic Connection Mode is useful when the host processor does not want to process
any data that wouldn’t normally be in the input UART stream. This means that the 1SPP
firmware will not output any data or accept any data except the escape sequence (if
configured) in this mode. The device can be configured to boot into Automatic
Connection Mode, thus freeing the host processor from performing any 1SPP specific
actions. (Note that at some point the 1SPP firmware has to be configured, either via the
UART or by the external configuration program.) When using Automatic Connection
Mode for client connections, further parameters can be configured to help minimize the
? 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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