User guide

Eddy User's Guide
76
TH (ATHx, ATHbdaddr)
Response OK
DISCONNECT
Purpose Release the current connection
Description The current Bluetooth connection will be disconnected. It takes about Supervision
Timeout(S37) to detect an abnormal disconnection such as power off and moving out of
service range. In multiple connection modes, a specific connection can be specified to
be disconnected by specifying the connection number or the Bluetooth address.
The response message of ‘DISCONNECT’ may be displayed on disconnection
depending on the disconnection condition. You can make it not displayed using S10
register.
Example ATH
ATH3
ATH000195000001
AT+BTKEY=$string
Response OK
Purpose Change pin code
Parameters $
string
= New pin code (Default=”1234”)
Description Pin code is a string, which allows up to 16 alpha-numeric characters. Based on this pin
code, Eddy-BT generates a link key which is used in actual authentication process
Example AT+BTKEY=”apple”
AT+BTSD?
Response 112233445566
OK
Purpose Display a list of Bluetooth devices sharing the same pin code
Description Once a connection is made with a pin code, Eddy-BT saves the Bluetooth device with
its link key, generated by the pin code. The connection to a device listed in Eddy-BT can
be made automatically without the authentication process. The maximum number kept
on the list is 7.
AT+BTCSD
Response OK
Purpose Clear the list of Bluetooth devices sharing the same pin code
Description This clears the list of Bluetooth devices linked with the same key in flash memory. To
take effect the ATZ command must be used or Powercycle the unit.