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#11
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5"PDA recommendation?
On Sep 10, 1:26*pm, Darryl Ramm wrote:
On Sep 10, 11:57*am, mike wrote: On Sep 10, 12:42*pm, Darryl Ramm wrote: On Sep 10, 10:57*am, mike wrote: On Sep 10, 10:32*am, Andy wrote: On Sep 10, 9:27*am, mike wrote: On Sep 10, 9:33*am, Westbender wrote: On Sep 10, 9:58*am, Andy wrote: On Sep 9, 5:33*pm, Mike wrote: I am interested in buying a 5" PNA on eBay in an attempt to connect to a Cambridge 302A. *If someone who has purchased one, could recommend a seller and particular device that has 800X480 display and direct access to Win CE5 or CE6, I would appreciated it? Thanks in advance. Mike "0" If you want to connect to a 302 carefully check the lowest baud rate supported by the PNA serial interface. *The 302 defaults to 4800 baud. *If the PNA does not support that baud rate you will find it difficult to interface with it. I have a project, currently on hold, to build a "dongle" that automatically sets the 302 to a higher baud rate every time it powers up. *I'll get back to it at the end of the racing season when I can put the 302 on the bench. You will find a lot of discussion of PNAs including 5 inchers on the Post Frontal LK8000 website. Andy Andy, Are you going to intercept "baud change commands" from the various software programs that interface with the 302 and follow them? Otherwise your bootup speed will only be viable in NMEA stream mode. Any other interaction like task updloads, log xfers, etc will probably hose things up. I also have a project going with a programmable blue tooth adapter that does the same thing. All the silly baud rate switching that's done with the 302 makes this a bit complicated though. I've written my own version of the 300 utility for the 302 using this BT adapter and it behaves just fine at a constant "higher" baud rate. It also streams NMEA data just fine at high baud rates to See You Mobile. Not sure why Cambridge did that other than maybe some kind of legacy support. |
#12
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5"PDA recommendation?
On Sep 10, 10:08*pm, mike wrote:
On Sep 10, 1:26*pm, Darryl Ramm wrote: On Sep 10, 11:57*am, mike wrote: On Sep 10, 12:42*pm, Darryl Ramm wrote: On Sep 10, 10:57*am, mike wrote: On Sep 10, 10:32*am, Andy wrote: On Sep 10, 9:27*am, mike wrote: On Sep 10, 9:33*am, Westbender wrote: On Sep 10, 9:58*am, Andy wrote: On Sep 9, 5:33*pm, Mike wrote: I am interested in buying a 5" PNA on eBay in an attempt to connect to a Cambridge 302A. *If someone who has purchased one, could recommend a seller and particular device that has 800X480 display and direct access to Win CE5 or CE6, I would appreciated it? Thanks in advance. Mike "0" If you want to connect to a 302 carefully check the lowest baud rate supported by the PNA serial interface. *The 302 defaults to 4800 baud. *If the PNA does not support that baud rate you will find it difficult to interface with it. I have a project, currently on hold, to build a "dongle" that automatically sets the 302 to a higher baud rate every time it powers up. *I'll get back to it at the end of the racing season when I can put the 302 on the bench. You will find a lot of discussion of PNAs including 5 inchers on the Post Frontal LK8000 website. Andy Andy, Are you going to intercept "baud change commands" from the various software programs that interface with the 302 and follow them? Otherwise your bootup speed will only be viable in NMEA stream mode. Any other interaction like task updloads, log xfers, etc will probably hose things up. I also have a project going with a programmable blue tooth adapter that does the same thing. All the silly baud rate switching that's done with the 302 makes this a bit complicated though. I've written my own version of the 300 utility for the 302 using this BT adapter and it behaves just fine at a constant "higher" baud rate. It also streams NMEA data just fine at high baud rates to See You Mobile. Not sure why Cambridge did that other than maybe some kind of legacy support. Mike, Sorry for the thread hi-jack. Andy brings up an interesting topic. Anything to help understand a potential problem and what is required is helpful, so thanks for the contribution. Regarding the baud rate with the 302A using a PNA....if the software supports the baud rate the Cambridge uses, shouldn't the PNA connect, or is there a problem with the PNA hardware/ CE interface?- Hide quoted text - - Show quoted text - As an example of the problem *- the HP310 does not support 4800 baud but LK8000 does. *However LK8000 cannot tell the 302 to go to a higher baud rate since the HP310 cannot communiacte at the 302's default 4800 rate to issue the baud rate change command.. Andy Thanks Andy. I understand that the HP310 does not allow direct access to CE and like my Mio it is hacked with the SD card commands. Does having direct access allow the user to change the baud rate and com port? Getting direct access to Windows CE on the iPAQ 310 is easy. But not really relevant to this problem, however you slice it the iPAQ 310 serial port does not work at 4800 baud. Anybody willing/able to hack on a the CE serial device driver might get further.... Darryl OK thanks Darryl. That sort of ends my quest for a PNA I guess. I'm willing but not able. Mike There *are* PNAs out there that work at 4800 baud out of the box. The iPAQ 310 is not one of them. --- I like Andy's idea of a dongle to whack the C302 baud rate. Darryl Darryl, Any idea which ones? Mike No need to re-invent the wheel http://www.k6-team.de/index.php?opti...04&I temid=10 this BT Dongle works with 302 and HP310 Bruno |
#13
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5"PDA recommendation?
On Sep 11, 12:27*am, Mottley wrote:
No need to re-invent the wheelhttp://www.k6-team.de/index.php?option=com_content&view=article&id=10... this BT Dongle works with 302 and HP310 Bruno Right. But mine will cost under $5 for parts. Andy |
#14
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5"PDA recommendation?
On Sep 11, 12:27*am, Mottley wrote:
On Sep 10, 10:08*pm, mike wrote: On Sep 10, 1:26*pm, Darryl Ramm wrote: On Sep 10, 11:57*am, mike wrote: On Sep 10, 12:42*pm, Darryl Ramm wrote: On Sep 10, 10:57*am, mike wrote: On Sep 10, 10:32*am, Andy wrote: On Sep 10, 9:27*am, mike wrote: On Sep 10, 9:33*am, Westbender wrote: On Sep 10, 9:58*am, Andy wrote: On Sep 9, 5:33*pm, Mike wrote: I am interested in buying a 5" PNA on eBay in an attempt to connect to a Cambridge 302A. *If someone who has purchased one, could recommend a seller and particular device that has 800X480 display and direct access to Win CE5 or CE6, I would appreciated it? Thanks in advance. Mike "0" If you want to connect to a 302 carefully check the lowest baud rate supported by the PNA serial interface. *The 302 defaults to 4800 baud. *If the PNA does not support that baud rate you will find it difficult to interface with it. I have a project, currently on hold, to build a "dongle" that automatically sets the 302 to a higher baud rate every time it powers up. *I'll get back to it at the end of the racing season when I can put the 302 on the bench. You will find a lot of discussion of PNAs including 5 inchers on the Post Frontal LK8000 website. Andy Andy, Are you going to intercept "baud change commands" from the various software programs that interface with the 302 and follow them? Otherwise your bootup speed will only be viable in NMEA stream mode. Any other interaction like task updloads, log xfers, etc will probably hose things up. I also have a project going with a programmable blue tooth adapter that does the same thing. All the silly baud rate switching that's done with the 302 makes this a bit complicated though. I've written my own version of the 300 utility for the 302 using this BT adapter and it behaves just fine at a constant "higher" baud rate. It also streams NMEA data just fine at high baud rates to See You Mobile. Not sure why Cambridge did that other than maybe some kind of legacy support. Mike, Sorry for the thread hi-jack. Andy brings up an interesting topic. Anything to help understand a potential problem and what is required is helpful, so thanks for the contribution. Regarding the baud rate with the 302A using a PNA....if the software supports the baud rate the Cambridge uses, shouldn't the PNA connect, or is there a problem with the PNA hardware/ CE interface?- Hide quoted text - - Show quoted text - As an example of the problem *- the HP310 does not support 4800 baud but LK8000 does. *However LK8000 cannot tell the 302 to go to a higher baud rate since the HP310 cannot communiacte at the 302's default 4800 rate to issue the baud rate change command.. Andy Thanks Andy. I understand that the HP310 does not allow direct access to CE and like my Mio it is hacked with the SD card commands. Does having direct access allow the user to change the baud rate and com port? Getting direct access to Windows CE on the iPAQ 310 is easy. But not really relevant to this problem, however you slice it the iPAQ 310 serial port does not work at 4800 baud. Anybody willing/able to hack on a the CE serial device driver might get further.... Darryl OK thanks Darryl. That sort of ends my quest for a PNA I guess. I'm willing but not able. Mike There *are* PNAs out there that work at 4800 baud out of the box. The iPAQ 310 is not one of them. --- I like Andy's idea of a dongle to whack the C302 baud rate. Darryl Darryl, Any idea which ones? Mike No need to re-invent the wheelhttp://www.k6-team.de/index.php?option=com_content&view=article&id=10... this BT Dongle works with 302 and HP310 Bruno The K6BT works at 4800 baud (which the iPAQ 310 won't out of its physical serial port) so you can at least make an initial connection to the C302 but it does not work when trying to switch the C302 baud rate for IGC file download etc. If you have that working properly on a C302 I think lots of people would like to know. What software are you using on the PDA and are you sure everything really work? I have a K6BT and iPAQ 310 running SeeYou Mobile PNA. Darryl |
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