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Showing results 1 to 14 of 14
Search took 0.00 seconds. Search: Posts Made By: CarCode
Forum: OpenCPN 08-12-2010, 09:48
Replies: 88
Views: 15,386
Posted By CarCode
Dave, there are many reasons for a stopping...

Dave,

there are many reasons for a stopping NMEA signal, even an unplugged cable by accident...

We mostly used in our company the FTDI converter chips for our devices and these might have...
Forum: OpenCPN 08-12-2010, 09:24
Replies: 88
Views: 15,386
Posted By CarCode
In any case the user should be notified of the...

In any case the user should be notified of the missing NMEA data. The watchdog should fire up a popup message then!


Are you shure about the correct VID number of this device?

Gerhard
Forum: OpenCPN 05-12-2010, 12:55
Replies: 88
Views: 15,386
Posted By CarCode
Hellosailor The WHQL certification says...

Hellosailor

The WHQL certification says absolutely nothing. There are enough drivers available with a hacked and stolen WHQL certification. Even a driver with a correct certification might fail...
Forum: OpenCPN 05-12-2010, 08:12
Replies: 88
Views: 15,386
Posted By CarCode
David, you are right. The Prolific stuff...

David,

you are right. The Prolific stuff works with some computer hardware and with others not. It might have to do with the fifo buffer used, see the messages above, which loses bytes when not...
Forum: OpenCPN 05-12-2010, 05:12
Replies: 88
Views: 15,386
Posted By CarCode
Therefore OpenCPN processes an average to get a...

Therefore OpenCPN processes an average to get a straight line of COG when you have a look into its sources. A not moving antenna results in a not usable COG as I wanted to point out with my...
Forum: OpenCPN 05-12-2010, 04:29
Replies: 88
Views: 15,386
Posted By CarCode
BU353 and Prolific

Some notes about BU353 and Prolific Chipset:

When our company has used RS232/USB converters to support USB for our own automotive serial devices years ago we soon found out that the Prolific...
Forum: OpenCPN 05-12-2010, 02:25
Replies: 88
Views: 15,386
Posted By CarCode
Nice documentation. As seen OpenCPN works...

Nice documentation. As seen OpenCPN works correct: After the 6 sec timeout for the watchdog OpenCPN recognized the lost GPS signals. As I suggested already Dave (bcat) should implement a popup...
Forum: OpenCPN 05-12-2010, 01:37
Replies: 88
Views: 15,386
Posted By CarCode
SiRF Mode is often used for road navigation...

SiRF Mode is often used for road navigation (automotive used street maps) while NMEA is the standard for nautical navigation systems. Most GPS units can be configured. See pic:
...
Forum: OpenCPN 05-12-2010, 00:58
Replies: 88
Views: 15,386
Posted By CarCode
I wonder how a GPS system should process COG when...

I wonder how a GPS system should process COG when the receiver antenna is not moving?

Gerhard
Forum: OpenCPN 03-12-2010, 10:13
Replies: 88
Views: 15,386
Posted By CarCode
Sorry for saying that an Operating System (OS)...

Sorry for saying that an Operating System (OS) which shut off a port seeing still on-going data transfer is absolutely ********. Think about a switching off keyboard or monitor while typing or most...
Forum: OpenCPN 03-12-2010, 07:14
Replies: 88
Views: 15,386
Posted By CarCode
OK, OK, I wanted to help only... Gerhard

OK, OK, I wanted to help only...
Gerhard
Forum: OpenCPN 03-12-2010, 07:04
Replies: 88
Views: 15,386
Posted By CarCode
Dave, since a stopping GPS signal is...

Dave,

since a stopping GPS signal is essential to the user why not use the watchdog to popup a warning message to the user when it happens?

Bart,

do you invent the wheel a second time with...
Forum: OpenCPN 03-12-2010, 01:57
Replies: 88
Views: 15,386
Posted By CarCode
Watchdog not working?

Dave,

the OCPN sources includes a watchdog for GPS, Heading and Sat data. It should write a line "*** xx Watchdog timeout... ***" in the log. So when GPS data stops such a line should be seen in...
Forum: OpenCPN 30-11-2010, 01:36
Replies: 88
Views: 15,386
Posted By CarCode
David, try out PolarCOM (it is free from...

David,

try out PolarCOM (it is free from Polar Navy - Marine Navigation Software (https://www.polarnavy.com/main/download) ) and see if you have the same problems.
If yes, it is a problem with...
Showing results 1 to 14 of 14

 
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