User's Manual

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Laird Technologies

BTM510/511

Bluetooth

Multimedia Module

Phase Dev. AT Command Comment

Initiate

connection

A AT+SPD<BdAddr_DevB> Initiate SPP connection from device A to device B.

Asynchronous messages:

“PAIR 0…” (pairing successful, A and B)

“RING…” (B only)

“CONNECT…” (connected, A and B)

Connected A,B <data> Any character entered on one end is displayed at the

other end.

Enter

command

mode

A or

^^^ Response “OK” :

Command mode conrmed, now AT commands are

expected at the UART; UART data from host is not sent

across to remote device.

Disconnect AT+SPH Response “NO CARRIER…” (A and B): disconnection

conrmed.

Table 3.9: SPP Example Command Sequence

Figure 3.2: SPP example - Preparation of Device A

Figure 3.3 SPP example – Preparation of Device B

AT COMMAND SET

REFERENCE