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| 型号： | 1SPP-BT-F |
| 厂商： | Future Designs Inc |
| 文件页数： | 67/72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
OK
Looking at the above dump we see that device A has indeed found device B.
Next, we will attempt to discover the services that device B is publishing (note that since
we already knew device B’s Bluetooth address we didn’t really have to perform an inquiry
and could have simply proceeded to the service discovery step below:
AT+BTSDP=0123456789AB
+BTSDP: 1, 1.0, "Serial Port", 1
OK
Looking at the above, we can see that there is one service being published, it is of type
Serial Port Profile (first parameter), it has Bluetooth protocol version 1.0 (second
parameter), the service name is “Serial Port” (third parameter), and the RFCOMM server
port is port 1 (final parameter).
Now that we know the remote device and remote device server port (as with the inquiry
procedure since we already knew the port (and service) of the remote device we could
have skipped the service discovery phase and immediately tried to connect) we will
attempt a connection from device A to device B. On device A we will issue the following;
AT+BTCLT=0123456789AB, 1
OK
CONNECT 0123456789AB
Device A has shown that we have made a connection to device B. If we look at the
output of device B we will see the following:
CONNECT 00123456789A
At this point both devices are in data mode and anything that is entered on device A or B
(through the UART) will be sent to the remote device (and should be displayed).
Next, using device A (either device could be used) we will disconnect the link. This is
done by simply entering the escape sequence. Since we are using the default values,
the escape sequence will be three ASCII “+” characters (minus the quotation marks). On
device A we enter:
+++
NO CARRIER
OK
The Bluetooth connection is now terminated and device A is in command mode again
ready to accept commands. If we look at the output of device B we see:
+++
? 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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