Windows Mobile Bluetooth programming with Winsock: I
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SSA gives the code for 1) Windows Mobile to connect to a peripheral and 2) Windows Mobile to accept a connection from a peripheral. In 1), Windows Mobile is Master and Client; in 2), it is Slave and Server.
Examples with explanation
Inquiry (Discover other devices)
Connect to a Bluetooth peripheral from Windows Mobile
In projects, Windows Mobile needs to use inquiry (discovery process) to obtain the Bluetooth physical address (BT_ADDR). Since we only use RFCOMM and Serial Port profile, there is no need for service discovery. Use RFCOMM_PROTOCOL_UUID for serviceClassId. Connections can be established using the Bluetooth physical address.
Once the connection is established, Windows Mobile communicates with the peripheral use Winsock functions: send() and recv(). Create a thread for each of them.
Now, you need to write program to interpret the data exchanged between Windows Mobile and the peripheral. Basically, you need to write an application-layer protocol. Refer to this paper for an example.