ODIN-W2 series - Getting Started
UBX-15017452 - R02
Advance Information
Bluetooth configuration
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For more than one connection, see the Multipoint section.
5.3
Bluetooth profiles
The Bluetooth profiles used by the client and server define the type of connection that is accepted.
•
Serial Port Profile (SPP):
Serial cable emulation profile to replace existing serial cables.
•
Dial-Up Network (DUN):
Modem emulation typically used by a Bluetooth device to access the Internet
via a mobile phone. It requires the host to have its own TCP/IP stack.
The client profile must match the server profile for a connection to be accepted.
There are some special requirements to make the SPP profile work for iPhone and Android smartphones.
More information about this will be available soon.
5.4
Multipoint
It is possible to configure a module to support up to 7 parallel Bluetooth connections.
The AT+UBTCFG command is used to set number of Bluetooth connections. When this is set to the number of
connections that should be supported, the link will be optimized when this number is reached. For example, if a
module shall be configured to support two parallel Bluetooth channels use the command AT+UBTCFG=2,1
instead of just enabling the maximum number of connections.
In data mode, data is transmitted over air to all connected devices and data received from the remote devices is
interleaved.
Figure 8 Wireless Multidrop
In extended data mode, it is possible to transmit data to a specific remote device and to know from which
remote device data is received.
