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Old 07-06-2013, 10:14   #196
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Re: Plugin: DashBoard

Hi Pavel,

I found a missing "break" in "dashboard_pi.cpp". As a result "Sum Log" did not work (and possible other Impact on instruments).

---
case ID_DBP_I_VLW1: // Trip Log
instrument = new DashboardInstrument_Single( this, wxID_ANY,
getInstrumentCaption( id ), OCPN_DBP_STC_VLW1, _T("%2.1f") );
break;

case ID_DBP_I_VLW2: // Sum Log
instrument = new DashboardInstrument_Single( this, wxID_ANY,
getInstrumentCaption( id ), OCPN_DBP_STC_VLW2, _T("%2.1f") );

break;

----

Find attached a corrected Version (tested mit Nema Talker now).

Can you please update.

Regards,

Andreas
Attached Files
File Type: doc dashboard_pi.cpp.doc (93.0 KB, 64 views)
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Old 07-06-2013, 10:19   #197
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Re: Plugin: DashBoard

Andreas...
Fixed in git master. Thanks for re-checking the merge.

Pavel
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Old 09-06-2013, 04:34   #198
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Re: Plugin: DashBoard

Hello all,

Just started using OpenCPN and I am liking it sofar.

The only problem I have is with the ships log speed, either OpenCPN or Dashboard does not recognize the NMEA sentence we have here onboard. The VBW sentence is unfortunately also not used.

Example of both sentences available on our network (UDP);

$VDVHW,,,,,17.2,N,31.9,K
$VDVBW,+17.20,-00.20,A,+16.60,+00.00,A,,,V,,,V*50

The VHW sentence is not visible in the OpenCPN NMEA debug window, the VBW sentence is visible.

I am thinking that it might have to do with the fact that only speed data is available in the VHW sentence.

So my questions are;
1 Is there a bug in the VHW sentence recognition/translation?
2 Is the VHW problem part of OpenCPN or the Dashboard?
3 Is the VBW sentence (not yet) implemented?

Thanks in advance,
Peter
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Old 09-06-2013, 04:47   #199
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Re: Plugin: DashBoard

Here I found some interesting add on for ocpn.



CSC | Kompass für OpenCPN und Chart Navigator

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Old 09-06-2013, 08:45   #200
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Re: Plugin: DashBoard

Peter...
VBW is not implemented at all, will have a look at it if I don't forget (A feature request in OpenCPN::Tracker All Projects: Tasklist will sure make me not to).
VHW should work fine but in your case there might be a problem - just to make sure, do they (VHW sentences) really have no checksum in your NMEA stream (in that case they would of course be dropped as corrupted if you have CS checking on) or did you just not post it?

Pavel
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Old 09-06-2013, 09:52   #201
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Re: Plugin: DashBoard

Quote:
Originally Posted by nohal View Post
VHW should work fine but in your case there might be a problem - just to make sure, do they (VHW sentences) really have no checksum in your NMEA stream (in that case they would of course be dropped as corrupted if you have CS checking on) or did you just not post it?

Pavel
Hi Pavel,

Thanks for the quick reaction.

I never noticed the missing checksum. I am sailing on a 300 meter container vessel and have a non-standard setup here. The NMEA data originates from a ships monitoring network and is transferred via two small programs I wrote from that network to the administration network to which my computer is connected.

Looks like the checksum is lost in between.

I have been using Maxsea in my cabin without problems, in fact Maxsea displays (unreadable) characters in the checkdata display behind the VHW sentence (and all others).

Upon logging the data stream with HyperTerminal and another program both show no checksum behind the VHW sentence only.

I will have a look at this next week.

Thanks again for pointing me in the right direction.

I do have the CS checking off in OpenCPN but the program apparently still needs characters in that position to be able to use the sentence.

I can send you an file with the NMEA stream if you are interested, just let me know how many minutes (hours) you need.

Regards,
Peter
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Old 09-06-2013, 10:12   #202
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Re: Plugin: DashBoard

Peter...
A couple of minutes would be fine, I'm getting kind of bored watching PacCupStart.txt all the time
Also if you guys have your radars tracking ARPA targets and producing TLL/TTM/RSD/OSD, I would be very interested...

Pavel
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Old 09-06-2013, 11:02   #203
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Re: Plugin: DashBoard

Hi Pavel,

I made a file with a couple of minutes of the normal NMEA sentences with AIS data included. I am afraid that this will also be a boring file, currently sailing SW of Cabo Finisterre.

I never found the port used for the Arpa targets but will have another look at it coming week. Each instrument has two different UDP ports and some have an TCP port (Arpa is probably TCP).

Peter
Attached Files
File Type: doc Maersk Kampala NMEA data SW of Finisterre.zip.doc (35.7 KB, 51 views)
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Old 10-06-2013, 00:56   #204
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Re: Plugin: DashBoard

Dear All,

My ST 60 Instrument does not send True Wind Information. Only the Apparent Wind is sent on the SeaTalk bus.

To see both wind information in the Dashboard, I updated the sources (dashboard_pi.h and dashboard_pi.cpp, see MWV sentence handling below) to calculate the True Wind Speed & Angle from the Apparent Wind and Speed Through Water information.

@Pavel: I'm not sure if this Feature is of general interest, but feel free to add this to the beta release as a new feature.

I also added a new setting to the "opncpn.ini". With "CalculateTWfromAW=1" the calculation of TW is switched on. For convenient use, I also updated the Dashboard Preferences/Appearance dialog to control calculation.

Any feedback (suggestions/corrections) is welcome.

For users with strong currents it might be better to use SOG instead of STW. But this is currently not relevant for me.

Regards,

Andreas

This is the new code:

// Send calculated TWS (from AWS and STW)
if (g_iDashCalculateTWfromAW==1)
{
if (m_NMEA0183.Mwv.WindAngle < 180)
SendSentenceToAllInstruments( OCPN_DBP_STC_TWA,
90-(180/3.1415*atan((m_NMEA0183.Mwv.WindSpeed*cos(m_NMEA01 83.Mwv.WindAngle*3.1415/180)-m_NMEA0183.Vhw.Knots)/
(m_NMEA0183.Mwv.WindSpeed*sin(m_NMEA0183.Mwv.WindA ngle*3.1415/180)))), _T("Deg") );
else if (m_NMEA0183.Mwv.WindAngle > 180)
SendSentenceToAllInstruments( OCPN_DBP_STC_TWA,
360-(90-(180/3.1415*atan((m_NMEA0183.Mwv.WindSpeed*cos((180-(m_NMEA0183.Mwv.WindAngle-180))*3.1415/180)-m_NMEA0183.Vhw.Knots)/
(m_NMEA0183.Mwv.WindSpeed*sin((180-(m_NMEA0183.Mwv.WindAngle-180))*3.1415/180))))), _T("Deg") );
else
SendSentenceToAllInstruments( OCPN_DBP_STC_TWA,
180, _T("Deg") );

// 4) Wind Speed Units, K/M/N
SendSentenceToAllInstruments( OCPN_DBP_STC_TWS,
sqrt(pow((m_NMEA0183.Mwv.WindSpeed*cos(m_NMEA0183. Mwv.WindAngle*3.1415/180))-m_NMEA0183.Vhw.Knots, 2)+
pow(m_NMEA0183.Mwv.WindSpeed*sin(m_NMEA0183.Mwv.Wi ndAngle*3.1415/180), 2)),m_NMEA0183.Mwv.WindSpeedUnits );
Attached Files
File Type: doc Sources TW calculation from AW and STW.zip.doc (20.0 KB, 62 views)
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Old 11-06-2013, 00:49   #205
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Re: Plugin: DashBoard

Hi,

I am playing now with "wind history" in dashboard on ubuntu 12.04.2 LTS 32bit and OpenCPN 3.3.604 and I couldn't see anything. As you can see data from NMEA is there.

Kubek
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Old 12-06-2013, 14:13   #206
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Re: Plugin: DashBoard

I have an electronic barometer on board that I made with an arduino and it is currently outputing temperature to the dashboard. It would be good if dashboard could also handle the air pressure measurement. I can make the sentence format any structure I want.

It would be really cool if the air pressure could be displayed in a graph similar to the wind history display. Anyone interrested in helping me add this?
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Old 12-06-2013, 15:38   #207
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Re: Plugin: DashBoard

asinc...
Please make it standard compliant. The relevant part of IEC 61162-1 attached.

Pavel
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Old 13-06-2013, 06:09   #208
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Re: Plugin: DashBoard

Quote:
Originally Posted by nohal View Post
asinc...
Please make it standard compliant. The relevant part of IEC 61162-1 attached.

Pavel
My current format is "$WIXDR,P,x.xxxx,B," from my sensor.

I believe this matches what you are proposing. I haven't any experience with modifying plugins and very little c++. I was hoping that someone else would know how to do what I propose. If I could get opencpn going with the barometric pressure I would consider posting the design for the sensor so anyone could make one.

Right now I have the sensor being displayed on a dedicated LCD with trends for past 1hr and 3hr but a graph on the laptop would be much nicer.
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Old 13-06-2013, 07:04   #209
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Re: Plugin: DashBoard

asinc...
Make a feature request in the tracker. Eventually someone will find the time to implement it. And add the checksum to the sentence if it's not there yet.

Pavel
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Old 13-06-2013, 07:11   #210
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Re: Plugin: DashBoard

asinc
Quote:
If I could get opencpn going with the barometric pressure I would consider posting the design for the sensor so anyone could make one.
FYI
https://www.google.com/search?q=ardu...ient=firefox-a

https://www.sparkfun.com/tutorials/253

BMP085 Sensor Tutorial

Arduino - BarometricPressureSensor

Is your design special?
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