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C compiled part inside assembler

 
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Fabri



Joined: 22 Aug 2005
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C compiled part inside assembler
PostPosted: Mon Nov 14, 2005 2:40 am     Reply with quote
Hi everybody,

I have an old project compiled in assembler with MPLAB. Now I want to include a new part compiled in C.

1) Is it Possible ?
2) Is there any example somewere ?

Thanks for support,

Regards,
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Mon Nov 14, 2005 6:11 pm     Reply with quote
Quote:
I have an old project compiled in assembler with MPLAB.
Now I want to include a new part compiled in C.

The CCS compiler doesn't (yet) produce linkable object modules.
You would have to use a different C compiler.

Here is a thread on the Microchip forum on the topic:
http://forum.microchip.com/tm.asp?m=101387&mpage=1&key=asm%2Cmodules&anchor#101420
cwilliams@edge-pdc.com
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mixing C and assembler
PostPosted: Tue Dec 13, 2005 2:13 pm     Reply with quote
I'm using CCS PCH v3.214 with MPLAB 7.10 and MPASM etc 3.90.01.

The project was originally written in assembler, and then some floating point stuff was added using C. I have the source but not the tools. My tools (above) won't compile/assemble and link this.

Do I need different tools?
PCM programmer



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PostPosted: Tue Dec 13, 2005 5:29 pm     Reply with quote
Either get new tools, or convert the ASM code into C.
asmallri



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PostPosted: Tue Dec 13, 2005 7:22 pm     Reply with quote
If you have the assembler source code you can use CCS's mini assembler and embedd the code in your C code.
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PCM programmer



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PostPosted: Tue Dec 13, 2005 7:47 pm     Reply with quote
Yes, but people are always complaining that they can't
do everything they want with the CCS inline assembler.
asmallri



Joined: 12 Aug 2004
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PostPosted: Tue Dec 13, 2005 8:12 pm     Reply with quote
PCM programmer wrote:
Yes, but people are always complaining that they can't
do everything they want with the CCS inline assembler.


On one hand I agree with them. It is a pain that it doesn't , especially not supporting all the FSRs, but on the otherhand its not rocket science to change the affected code.
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Regards, Andrew

http://www.brushelectronics.com/software
Home of Ethernet, SD card and Encrypted Serial Bootloaders for PICs!!
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