46
* When 10 bytes data are sent every intercharacter timeout, they are sent separately by 10 bytes at
the optimal value. If the intercharater timeout is set below the optimal value, the data will be put
together and sent by 20, 30, 40 bytes or more.
C.15. S28: Escape Sequence Character (default 43)
The decimal number of the ASCII code of escape sequence character can be controlled. The initial
value is 43, the ASCII code of ‘+’.
C.16. S31: Page Timeout (default 300)
This is the timeout in seconds to attempt connection with the ATD command. After this timeout expires,
the Parani-ESD will restart automatically. If this value is 0, Parani-ESD will attempt to connect without
restarting
C.17. S33: Inquiry Timeout (default 30)
This is the timeout in seconds to execute inquiry scan.
C.18. S37: Supervision Timeout (default 16000)
This is the timeout in 625
μ
sec to presume disconnection, which is set to 16000 initially.
(16000
625
μ
sec=10sec)
The smaller the value becomes, the more quickly Parani-ESD can detect an abnormal disconnection.
But when the communication is suspended, it may be regarded as disconnection.
C.19. S45: Inquiry Access Code (default 0x9E8B33)
Inquiry access code is used during inquiry state. The reserved IAC addresses are 0x9E8B00 ~
0x9E8B3F. The general inquiry IAC is 0x9E8B33.
Parani-ESD is able to find the Bluetooth devices that are configured as the same IAC.
C.20. S46: BD Address of Last Connected Device
This saves the BD address of the Bluetooth device connected most recently.
C.21. S48: Low Power Max Interval (default 5000)
This is the max interval value to use low power mode, which is set to 5000 initially. (5000 x 625
μ
sec =
3125msec)
C.22. S49: Low Power Min Interval (default 4500)
This is the min interval value to use low power mode, which is set to 4500 initially. (4500 x 625
μ
sec =
2812msec)
A small interval increases power consumption, a large interval increases latency.
C.23. S52: Low Power Timeout (default 5)
This is the low power timeout value, which is set to 5 initially. (5sec)
During no data transmission in the timeout, Parani-ESD will be in low power mode to save the power.
Therefore, it takes a few seconds to wake the Parani-ESD out of low power mode.
