Ezurio BISM2 Guide de l'utilisateur télécharger pdf (Page 23)

Response: <cr,lf>OK<cr,lf>

2.2.47 AT+BTPY {Enable Promiscuous Page/Inquiry Scanning}

Enable page scanning and wait for a connection from any device. Inquiry scanning is also

enabled. Authentication is disabled and encryption is enabled.

Response: <cr,lf>OK<cr,lf>

2.2.48 AT+BTPUY {Enable Promiscuous Page/Inquiry Scanning}

Enable page scanning and wait for a connection from any device. Inquiry scanning is also

enabled. Authentication and encryption are both enabled. The order of U and Y is not

significant.

Response: <cr,lf>OK<cr,lf>

2.2.49 AT+BTQ {Enable Inquiry Scans ONLY}

When inquiry scan is enabled, it implies that this device will respond to inquiries from other

devices. Use AT+BTX to disable inquiries.

Response: <cr,lf>OK<cr,lf>

2.2.50 AT+BTR<bd_addr> {Set Outgoing Peer Address}

This command is used to store a peer address for outbound connections in non-volatile

memory. A value of 000000000000 has the special meaning of invalid peer address.

This command is used to set up a module in pure cable replacement mode.

If S register 512 = 1 and the peer address is NOT 000000000000, then it will periodically

(time specified via S register 505) attempt to connect to the peer address specified. In this

circumstance all commands from the host are buffered in the receive buffer, until a

Bluetooth connection is established with the peer device and it then sends0 the buffer

across. This means that if the peer device is not in the vicinity and will never be there, the

device effectively becomes useless, as in this circumstance a host would want to get

attention of the AT parser to send it new commands – probably one to delete the peer

device.

In this circumstance, a recovery is possible by one of two methods. The first method

assumes that the DTR from the host is connected to the DSR line of the module and the

second method assumes that this connection is absent. In the first method it is enough to

deassert the DTR line from the host and that will abort the autoconnect cycle. The second

method is initiated by resetting the device and then ensuring that the text string

“AT+BT&BISM&<cr>” is sent (where <cr> is the carriage return character). There is

special code which looks out for this magic command and terminates the autoconnect cycle

if it sees it and confirms to the host of that fact by sending an “OK” response.

Response: <cr,lf>OK<cr,lf>

2.2.51 AT+BTR {Delete Outgoing Peer Address}

This command is used to delete the peer address previously stored using

AT+BTR<bd_addr>.

Response: <cr,lf>OK<cr,lf>

2.2.52 AT+BTR? {Read Outgoing Peer Address}

This command is used to display the peer address stored in non-volatile memory, used to

put the EZURiO device in pure cable replacement mode.

Response: <cr,lf>12346789012

<cr,lf>OK<cr,lf>

If the location is empty the response is as follows.

DSH_50003_v1v3 AT Command Reference 23 of 33

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Ezurio BISM2 Guide de l'utilisateur Page 23

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