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waits for next 2 characters. If the next 2 characters aren't both '+', it restart to transmit data
including the first '+' as well. If not, it converts the operation status to 'Standby'.
If the data from host includes '+++', it will convert the operation status to 'Standby'. Notice
that Parani-ESD holds data transmission when it encounters '+', until receiving next
character.
'+' is an escape sequence character by default, which is changeable by AT+SETESC.
* Caution : In low power mode, you cannot change online status to command waiting status
by using the '+++' string. Entering the '+++' string during low power mode and online status
may entail unexpected errors.
B.3.14. AT+SETESC,nn
OK
Response
Purpose
Change the escape sequence character
Escape sequence character set to '+' by default is changeable.
Description
The parameter nn must be a printable character.
Example
AT+SETESC,42
B.3.15. ATO (ATOx, ATObdaddr)
Response
None
Convert the operation status of 'Standby' to 'Connect'
Purpose
You can convert the operation status of 'Standby' to 'Connect' ready to transmit data. In
Description
Node Switching mode, a specific slave can be specified to become an active connection by
specifying the connection number or the Bluetooth address.
Example
ATO
ATO3
ATO000195000001
B.3.16. AT+BTCANCEL
OK
Response
Purpose
Terminate the current executing task
Description
This terminates a current executing task, such as Inquiry scan and Page scan, then
converts the operation status to 'Standby'
B.3.17. AT+BTSCAN
OK
Response
CONNECT 112233445566
Purpose
Wait for inquiry and connection from other Bluetooth devices
Description
This allows the inquiry and connection from the other Bluetooth devices. The operation
status will be in 'Pending' after this command. When connection is made and released, the
operation status is back to 'Pending'. To convert the operation status to 'Standby'
AT+BTCANCEL must be used.
This has the same effect as AT+BTSCAN,3,0.
When connection is made with other Bluetooth device, response will be 'CONNECT' with
its BD address.
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