Baracoda ToughRunners Manual de usuario descargar pdf (Pagina 20)

Communication Protocol for Baracoda ScanWear/ToughRunners Scanners

Sept. 07 20/26

Command Header Length Payload Answer

Get sniff 0x10 00 00 0x10 00 08 [MSB of MinSniff interval, LSB of MinSniff

interval, MSB of MaxSniff interval, LSB of MaxSnif

interval, Sniff Attempts MSB, Sniff attempts LSB, Sniff

timeout MSB, Sniff timeout LSB]

When setting only MinSniff and MaxSniff values, the default value 0x08 will be used for

Sniff attempts and Sniff timeout.

Typical values are:

Full speed (full power)

MinSniff = 0

MaxSniff = 0

Very Low Power (low speed): (sniff of 500ms Only are accepted. If the remote device

does not support sniffs of 500ms, no sniff will be used)

MinSniff = 0x0320

MaxSniff = 0x0320

Very Low Power (low speed): (sniff between 250ms to 500ms are accepted. No sniff will

be used if the remote device does not support any sniff values in this specified range)

MinSniff = 0x0160

MaxSniff = 0x0320

Low Power (medium speed):

MinSniff = 0x0050

MaxSniff = 0x00F0

Attempt = 0x0008

Timeout = 0x0030

MaxSniff and MinSniff are only used for sniff negociation between the Smartodule and the

other BT device. If both sides allow sniff value MaxSniff, then MaxSniff will be used. If

the other side does not accept Sniff values MinSniff to MaxSniff, no sniff will be used.

Values are in number of Bluetooth slots (1 slot = 625s)

Set MinSniff and MaxSniff to 0 to disable Sniff.

MinSniff must be inferior to MaxSniff.

Possible values for MinSniff and MaxSniff are 0x12 to 0xFFFF.

Sniff attempts of 0 is not allowed.

Warning: Setting MaxSniff to 0xFF means a sniff period of 40s! You will have very very

low data rate.

Note: This setting takes effect immediately.

Attempt Negociated Sniff

For further details on Sniff values, see the Bluetooth spec 1.1, chapter 10.8.2

Command Header Length Payload Answer

Set link

timeout

0x19 00 02 [MSB of link Tmo, LSB of link

Tmo]

0x19 00 01 01 if

done

0x19 00 01 00 if

not

The link Time Out is a multiple of 625sec (625s = 1 Bluetooth slot) (default 0x7D00

(=20s))

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26

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Baracoda ToughRunners Manual de usuario Pagina 20

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