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GPS coordinate to Google earth coordinate

 
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eng.alamin



Joined: 08 Sep 2008
Posts: 17

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GPS coordinate to Google earth coordinate
PostPosted: Wed Oct 08, 2008 10:57 am     Reply with quote
Hello, when I am using mplab C18 I use this method to convert latitude and longitude value from GPS coordinate to google earth coordinate:
Code:

float gpstogoogle (float gps)
{
   int degrees = (int) gps / 100;
  float minutes = gps - 100 * degrees;

  return (degrees + minutes / 60.0);
}


But this method is not working in CCS.

Anyway this is the theory:

ddmm.mm [gps] = dd + mm.mm/60 [google earth]

How it can be done in CCS ?

Thanks
eng.alamin



Joined: 08 Sep 2008
Posts: 17

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PostPosted: Wed Oct 08, 2008 12:02 pm     Reply with quote
Well I'll try to make myself clear Laughing

I have
Code:
float lat = 2514.2388 ;


I want
Code:
  x = 25 ;

Code:
   y = 14.2388 ;


I try this x = (int) lat /100
to make x = 25 ;
but it not work
help please Crying or Very sad
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Oct 08, 2008 12:26 pm     Reply with quote
In CCS, an 'int' is the same size as 'unsigned char' in C18.

To translate C18 code to CCS, you need to change every instance
of 'int' to 'signed int16'.
libor



Joined: 14 Dec 2004
Posts: 288
Location: Hungary

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PostPosted: Wed Oct 08, 2008 1:14 pm     Reply with quote
Btw. Has someone ever collected the comprehensive set of rules (like replace every 'xxx' with 'yyy', etc.) of converting C18 code to CCS ?
If yes, could it be automated as easily as writing some macros into a text editor ?
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