freestyle-insulinx.md

FreeStyle InsuLinx

Reverse engineered by Xavier Claessens.

Protocol

This device uses the shared HID protocol used by other meters in the FreeStyle family. All messages that have been identified are considered text commands and use message type 0x60.

Commands

All commands supported by the shared protocol are supported by the device. Those that deviate from said protocol are here documented.

$result?

The $result? command is used to dump the readings records from the device, and it follows the Multiple records command output format as described in the shared protocol documentation.

The first field in the record specify the type of record; type 0 is a blood glucose reading.

Blood glucose record fields

1. type = "0"

2. id

3. month = 1*2DIGIT

4. day = 1*2DIGIT

5. year = 1*2DIGIT

6. hour = 1*2DIGIT

7. minute = 1*2DIGIT

8. unknown

9. unknown

10. unknown

11. unknown

12. unknown

13. unknown

14. value = 1*DIGIT

    Unknown (but likely) whether this includes HI / LO constants.

15. unknown

16. unknown

Other commands

The following commands appear to also be supported, but their meanings are not known:

• $getrmndrst,0
• $getrmndr,0
• $rmdstrorder?
• $actthm?
• $wktrend?
• $gunits?
• $clktyp?
• $alllang?
• $lang?
• $inslock?
• $actinscal?
• $iobstatus?
• $foodunits?
• $svgsdef?
• $corsetup?
• $insdose?
• $inslog?
• $inscalsetup?
• $carbratio?
• $svgsratio?
• $mlcalget,3
• $cttype?
• $bgdrop?
• $bgtrgt?
• $bgtgrng?
• $ntsound?
• $btsound?
• $custthm?
• $taglang?
• $tagsenbl?
• $tagorder?
• $result?
• $gettags,2,2
• $frststrt?