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.NET Forum / .NET Framework / Compact Framework / February 2008Blackjack II GPS
Hi, According to emails I have received, Google Maps finds the GPS immediately. However, scanning the com ports in C# does not. Even with the Modaco hack, looking for the GPS doesn't necessarily work. Any idea how Google Maps get their GPS code to work with an unmodified BJ 2? Hilton It's probably using the GPS intermediate driver, rather than acting like an application-accessible serial port. Take a look at the Windows Mobile 6 SDK help. I'd expect that there's some means to make the GPS appear as a serial port only, too, via the GPS Intermediate Driver Control Panel applet. No? Paul T. > Hi, > [quoted text clipped - 6 lines] > > Hilton Paul, I don't think so. The GPS is not exposed on any port - see modaco.com to expose it on COM4. The GPS Intermediate Driver requires a COM port. If Google maps can get GPS data, how can we? Frustrating. Hilton > It's probably using the GPS intermediate driver, rather than acting like > an application-accessible serial port. Take a look at the Windows Mobile [quoted text clipped - 14 lines] >> >> Hilton There was a thread on this in the smartphone.developer group recently. You need to go through the GPS intermediate driver as the Blackjack II gps hardware talks directly to this with a special driver rather than spitting out NMEA over a COM port. Since GPS intermediate driver supports multiplexing you can use it even when Google maps is running. There is sample code in the Windows Mobile SDK for using the GPS intermediate driver from .NETCF. Peter  SignaturePeter Foot Microsoft Device Application Development MVP www.peterfoot.net | www.inthehand.com In The Hand Ltd - .NET Solutions for Mobility > Paul, > [quoted text clipped - 23 lines] >>> >>> Hilton Peter, Thanks for the info. It uses gpsapi.dll - I just got it to work on my WM6 Pocket PC. Do you know if the gpsapi.dll file is always/only on WM6 devices? Thanks, Hilton > There was a thread on this in the smartphone.developer group recently. You > need to go through the GPS intermediate driver as the Blackjack II gps [quoted text clipped - 33 lines] >>>> >>>> Hilton > Peter, > [quoted text clipped - 50 lines] > > >>>> Hilton The gpsapi.dll is present starting from WM5 Jan Hi, I had used File Explorer to browse "\Windows" on my X51 with "Show All Files" enabled and gpsapi.dll doesn't show. It does show on my WM6 X50v. So after reading your post, I wrote a simple "Find File" app which search for gpsapi.dll and lo and behold it is in "\Windows" on both devices! Perhaps a WM5 "Show All Files" bug then? Either way, thanks for the info, I'm a happy camper now. So, if I understand this correctly, the user no longer has to set the COM port and baud rate and it'll just work? When I try GpsSample, it just worked. That would be cool. Hilton > The gpsapi.dll is present starting from WM5 > > Jan Quick follow-up: GpsSample works on Pocket PCs with both WM5 and WM6, but not Blackjack with WM5 (even though the COM Port/Baud Rat combo works in a separate program) which means that the BT is setup correctly), testing continues... Hilton > Hi, > [quoted text clipped - 15 lines] >> >> Jan I could have sworn some one mentioned this same problem with this same phone about 4 days ago. http://www.wmexperts.com/articles/blackjack_ii_mustinstall_gps_h.html [...]there is a problem with the implementation on the Blackjack (and in fact the Moto Q9H I understand, a device I believe this patch will help with too). The problem is that although the GPSID is configured and applications such as the built in Telenav and Windows Live Search can use the system fine, there is no COM port exposed to allow the vast majority of applications that use this connection method to use the GPS. > Quick follow-up: > [quoted text clipped - 4 lines] > > Hilton Right, but... Google Maps works fine with the GPS without this patch. >I could have sworn some one mentioned this same problem with this same >phone about 4 days ago. [quoted text clipped - 16 lines] >> >> Hilton The File Explorer doesn't show all files no matter what you set it to do. If you use the Remote File Viewer, *that* will show all the files. Paul T. > Hi, > [quoted text clipped - 15 lines] >> >> Jan Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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