[gpsd-users] Semi-bricked bluetooth unit

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[gpsd-users] Semi-bricked bluetooth unit

From:	Scott Nolde
Subject:	[gpsd-users] Semi-bricked bluetooth unit
Date:	Sun, 15 Jan 2012 20:02:22 -0500
I've got an OnCourse bluetooth unit and it appears to connect ok to my
FreeBSD 8.2 box, but when testing with gpsd I seem to have
semi-bricked it.  The gps lock light never comes on and data coming
from the unit is all àààààààààà at the 1s frequency  I'd normally see
the gps data.

Does anyone know of a way to send a factory reset message to it?  I
think this thing is transmitting in SiRF binary.  Auto-detect without
the -b flag seemed to do this one in.

If it helps, here's some hcidump info:
HCIDump - HCI packet analyzer ver 1.5
device: any snap_len: 65535 filter: 0xffffffff
> ACL data: handle 0x002a flags 0x02 dlen 9
    L2CAP(d): cid 0x41 len 5 [psm 0]
      09 EF 03 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 16
    L2CAP(d): cid 0x41 len 12 [psm 0]
      09 EF 11 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 20
    L2CAP(d): cid 0x41 len 16 [psm 0]
      09 EF 19 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 15
    L2CAP(d): cid 0x41 len 11 [psm 0]
      09 EF 0F E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 16
    L2CAP(d): cid 0x41 len 12 [psm 0]
      09 EF 11 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 21
    L2CAP(d): cid 0x41 len 17 [psm 0]
      09 EF 1B E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 10
    L2CAP(d): cid 0x41 len 6 [psm 0]
      09 EF 05 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 10
    L2CAP(d): cid 0x41 len 6 [psm 0]
      09 EF 05 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 13
    L2CAP(d): cid 0x41 len 9 [psm 0]
      09 EF 0B E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 11
    L2CAP(d): cid 0x41 len 7 [psm 0]
      09 EF 07 E0 E0 E0 40
< ACL data: handle 0x002a flags 0x02 dlen 9
    L2CAP(d): cid 0x4c len 5 [psm 0]
      0B FF 01 14 86
> ACL data: handle 0x002a flags 0x02 dlen 12
    L2CAP(d): cid 0x41 len 8 [psm 0]
      09 EF 09 E0 E0 E0 E0 40
> HCI Event: Number of Completed Packets(0x13) plen 5
  01 2A 00 01 00
> ACL data: handle 0x002a flags 0x02 dlen 14
    L2CAP(d): cid 0x41 len 10 [psm 0]
      09 EF 0D E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 14
    L2CAP(d): cid 0x41 len 10 [psm 0]
      09 EF 0D E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 26
    L2CAP(d): cid 0x41 len 22 [psm 0]
      09 EF 25 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0
      E0 40
> ACL data: handle 0x002a flags 0x02 dlen 21
    L2CAP(d): cid 0x41 len 17 [psm 0]
      09 EF 1B E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 14
    L2CAP(d): cid 0x41 len 10 [psm 0]
      09 EF 0D E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 13
    L2CAP(d): cid 0x41 len 9 [psm 0]
      09 EF 0B E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 16
    L2CAP(d): cid 0x41 len 12 [psm 0]
      09 EF 11 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 9
    L2CAP(d): cid 0x41 len 5 [psm 0]
      09 EF 03 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 9
    L2CAP(d): cid 0x41 len 5 [psm 0]
      09 EF 03 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 15
    L2CAP(d): cid 0x41 len 11 [psm 0]
      09 EF 0F E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 19
    L2CAP(d): cid 0x41 len 15 [psm 0]
      09 EF 17 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 24
    L2CAP(d): cid 0x41 len 20 [psm 0]
      09 EF 21 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 22
    L2CAP(d): cid 0x41 len 18 [psm 0]
      09 EF 1D E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 16
    L2CAP(d): cid 0x41 len 12 [psm 0]
      09 EF 11 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 16
    L2CAP(d): cid 0x41 len 12 [psm 0]
      09 EF 11 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 14
    L2CAP(d): cid 0x41 len 10 [psm 0]
      09 EF 0D E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 10
    L2CAP(d): cid 0x41 len 6 [psm 0]
      09 EF 05 E0 E0 40 > ACL data: handle 0x002a flags 0x02 dlen 18
    L2CAP(d): cid 0x41 len 14 [psm 0]
      09 EF 15 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 18
    L2CAP(d): cid 0x41 len 14 [psm 0]
      09 EF 15 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
< ACL data: handle 0x002a flags 0x02 dlen 9
    L2CAP(d): cid 0x4c len 5 [psm 0]
      0B FF 01 14 86
> ACL data: handle 0x002a flags 0x02 dlen 13
    L2CAP(d): cid 0x41 len 9 [psm 0]
      09 EF 0B E0 E0 E0 E0 E0 40
> HCI Event: Number of Completed Packets(0x13) plen 5
  01 2A 00 01 00
> ACL data: handle 0x002a flags 0x02 dlen 15
    L2CAP(d): cid 0x41 len 11 [psm 0]
      09 EF 0F E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 20
    L2CAP(d): cid 0x41 len 16 [psm 0]
      09 EF 19 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 15
    L2CAP(d): cid 0x41 len 11 [psm 0]
      09 EF 0F E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 13
    L2CAP(d): cid 0x41 len 9 [psm 0]
      09 EF 0B E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 11
    L2CAP(d): cid 0x41 len 7 [psm 0]
      09 EF 07 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 17
    L2CAP(d): cid 0x41 len 13 [psm 0]
      09 EF 13 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 12
    L2CAP(d): cid 0x41 len 8 [psm 0]
      09 EF 09 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 15
    L2CAP(d): cid 0x41 len 11 [psm 0]
      09 EF 0F E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 18
    L2CAP(d): cid 0x41 len 14 [psm 0]
      09 EF 15 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 40
> ACL data: handle 0x002a flags 0x02 dlen 25
    L2CAP(d): cid 0x41 len 21 [psm 0]
      09 EF 23 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0 E0
      40

-Scott
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