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  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Fri Apr 17, 2015 8:26 am   Subject: GPS Functions
Can you tap into the NMEA data bus? If you could integrate wind speed and direction info it would be a lot easier to eliminate false alarms.

IE a false gps reading to the west whilst a westerly bl ...
  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Wed Apr 15, 2015 6:08 pm   Subject: GPS Functions

I live on my boat now and was looking to make one of these. Any more work done on this?
Thanks

Hi mate, not much at the moment - working on the hardware side of things.

So you getting nervous ...
  Topic: What is better - a Dimensioned variable or a local variable?
snipsnip

Replies: 4
Views: 504

PostForum: BASCOM-AVR   Posted: Sun Mar 29, 2015 8:59 am   Subject: What is better - a Dimensioned variable or a local variable?
I'm still learning all this stuff - but anyway here's my 2 cents...

It all depends Laughing

If you're low on memory locals will help.
globals are faster, but a nightmare to keep track of.

wha ...
  Topic: Pset to Line
snipsnip

Replies: 3
Views: 307

PostForum: BASCOM-AVR   Posted: Sun Mar 15, 2015 2:32 pm   Subject: Pset to Line
you should be able to mod something from here..

http://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm


copied from above.

plotLine(x0,y0, x1,y1)
dx=x1-x0
dy=y1-y0

D = 2*dy - d ...
  Topic: 12 Volt Car battery charger with ADC
snipsnip

Replies: 13
Views: 1180

PostForum: BASCOM-AVR   Posted: Wed Mar 11, 2015 12:45 pm   Subject: 12 Volt Car battery charger with ADC
Try not using CLS, instead just print extra spaces to over write the longest text ie "hello world" will be replaced with "gone ........... "(dots are spaces)
CLS Takes a long time!!


Also - why ...
  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Wed Mar 04, 2015 2:54 pm   Subject: GPS Functions
another basic one - returns the difference between the last and current headings.
doesn't give a direction (WIP) just returns the angle.


Function Deviation(starthead As String)as String ...
  Topic: C map function
snipsnip

Replies: 3
Views: 952

PostForum: Share your working BASCOM-AVR code here   Posted: Sat Feb 28, 2015 2:09 am   Subject: C map function
just want to say thanks, a handy function.
I was trying to figure out how to do this, had smoke coming out my ears.

Good for GLCD's - Should make writing a GPS graphical track log viewer easy. ...
  Topic: problem with string / function
snipsnip

Replies: 3
Views: 368

PostForum: BASCOM-AVR   Posted: Thu Feb 26, 2015 10:04 am   Subject: problem with string / function
Thanks,
Yep My bad Had a temp variable too small to accept the return. Embarassed

I seriously spent MANY MANY hours checking the program, I knew to look for this problem as the #1 culprit.
and its ...
  Topic: problem with string / function
snipsnip

Replies: 3
Views: 368

PostForum: BASCOM-AVR   Posted: Thu Feb 26, 2015 6:49 am   Subject: problem with string / function
Hi all,
I've got a problem with a function that returns a string of 21 characters. Works ok with 20 characters.
For some reason when the string is 21 chrs long an extra (null) "thingy" is added to i ...
  Topic: passing string or value to funtion.
snipsnip

Replies: 3
Views: 310

PostForum: BASCOM-AVR   Posted: Wed Feb 25, 2015 2:01 am   Subject: passing string or value to funtion.
Hi Adrian,

Thanks for the reply - I'm just trying to offload the "string to val" and "val to string" conversions to
the called functions rather than the main program loop.

Not a big deal, just ...
  Topic: passing string or value to funtion.
snipsnip

Replies: 3
Views: 310

PostForum: BASCOM-AVR   Posted: Tue Feb 24, 2015 9:56 pm   Subject: passing string or value to funtion.
Hi all,

I've got a function that I want to accept either a string or value passed to it.

Question is there an easy way to figure out what data type a variable is?

I'm thinking of using overla ...
  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Tue Feb 24, 2015 12:47 am   Subject: GPS Functions
odometer
pretty much working - matches car odo (+/-) 200m over a 32k drive


Function Odo(startlat As Single , Startlon As Single , Startalt As String ) As String
Local Tempstring As St ...
  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Tue Feb 24, 2015 12:32 am   Subject: GPS Functions
Day, Time and date stamp.


Function Timestamp(timezone As Word , Plusneg As Byte)as String
Local X As Byte
Local Timez As String * 8 : Local Datez As String * 8 : Local Dayz As S ...
  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Tue Feb 24, 2015 12:10 am   Subject: GPS Functions



I still need to decide on std mega128 (4k ) with an external usb bridge or a USB1287 cpu with more memory ( 8 k ) and internal USB - any feedback ?

Yeah, but what about the 2561 and an exter ...
  Topic: GPS Functions
snipsnip

Replies: 26
Views: 3533

PostForum: Share your working BASCOM-AVR code here   Posted: Mon Feb 23, 2015 1:45 am   Subject: GPS Functions
Hi nicofer,
nice work

Are you going to be selling these? put me down for a couple. Cool

Also
what speed are you running the gtop comms at? I'm using same module but
I cant get it to work at ...
 
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