[time-nuts] thunderbolt for ntpd or gpsd

Tim Cwik timenuts at stnhbr.com
Thu Jun 12 22:05:13 EDT 2008

Chris Kuethe wrote:
> On Thu, Jun 12, 2008 at 5:32 PM, Tim Cwik <timenuts at stnhbr.com> wrote:
>> gpsd: TSIP pkt_id = 0x8f, packetlen= 0x15
>> gpsd: packet sniff finds type 4
>> gpsd: switch_driver(Trimble TSIP) called...
>> gpsd: selecting Trimble TSIP driver...
>> gpsd: ntpd_link_activate: 0
>> gpsd: speed 9600, 8O1
> gpsd sees something that looks like TSIP, so it switches to 8O1.
>> cgps reports no time, no position, and no fix.
>> I am using the THunderbolt as it was configured when I bought it.
>> I was expecting that gpsd would understand TSIP and the THunderbolt/gpsd
>> combination would act like the Garmin/gpsd combination.
>> Any thoughts on what I might be doing wrong?
> You seem to be doing the right things. To see more of what gpsd is
> doing try running with -D4.
> I'm going to hazard a guess and say that your thunderbolt is running
> with 8N1 rather than 8O1 as gpsd expects. I haven't come up with a
> good way to make gpsd detect parity yet... I have a copernicus on the
> way and it apparently uses 8N1 also, whereas my lassen iq does 8O1.
Is there a way to have gpsd use 8N1 for TSIP? The manual says teh 
thunderbolt uses 8N1, the windows support program says it and the 
thunderbolt are using 8N1. I can not find a way to tell the thunderbolt 
to use 8O1.

Thanks for any more insight.


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