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porting freeRTOS to pic18f8680

Posted by Nobody/Anonymous on April 13, 2006
Hello,
I'm a beginner. I want to porting freeRTOS to PIC18f8680. The Problem is that the tasks are not called.

What could the problem be?
Thanks for help.

Here my linker script:

LIBPATH .

FILES c018i.o
FILES clib.lib
FILES p18f8680.lib

CODEPAGE NAME=vectors START=0x0 END=0x29 PROTECTED
CODEPAGE NAME=page START=0x2A END=0xFFFF
CODEPAGE NAME=idlocs START=0x200000 END=0x200007 PROTECTED
CODEPAGE NAME=config START=0x300000 END=0x30000D PROTECTED
CODEPAGE NAME=devid START=0x3FFFFE END=0x3FFFFF PROTECTED
CODEPAGE NAME=eedata START=0xF00000 END=0xF003FF PROTECTED

ACCESSBANK NAME=accessram START=0x0 END=0x5F
DATABANK NAME=BIG_BLOCK START=0x60 END=0xCFF
DATABANK NAME=sfr13 START=0xD00 END=0xDFF PROTECTED
DATABANK NAME=sfr14 START=0xE00 END=0xEFF PROTECTED
DATABANK NAME=sfr15 START=0xF00 END=0xF5F PROTECTED
ACCESSBANK NAME=accesssfr START=0xF60 END=0xFFF PROTECTED

SECTION NAME=CONFIG ROM=config

STACK SIZE=0x60 RAM=BIG_BLOCK

RE: porting freeRTOS to pic18f8680

Posted by Nobody/Anonymous on April 15, 2006
you can Check length of source file path, the length of file full name is must not be more than 32 characters.

RE: porting freeRTOS to pic18f8680

Posted by Nobody/Anonymous on April 19, 2006
You were right it were more than 32 characters, but i have still the same problem that the tasks are not called...?
Further ideas?

RE: porting freeRTOS to pic18f8680

Posted by Nobody/Anonymous on April 19, 2006
You were right it were more than 32 characters, but i have still the same problem that the tasks are not called...?
Further ideas?

RE: porting freeRTOS to pic18f8680

Posted by Nobody/Anonymous on May 25, 2006
The include file path must be vailed, please check it!

RE: porting freeRTOS to pic18f8680

Posted by Nobody/Anonymous on May 29, 2006
hi everybody,

i would like to port FreeRTOS to pic18 too. But i don't have much background on RTOS. Is there any document that i can refer to?

Thanks.

RE: porting freeRTOS to pic18f8680

Posted by Richard on May 29, 2006
If you are using WizC or MPLAB then there is a pic 18 port already. The issue being getting the linker script correct. I think WizC will be easier to use.

Other than that take a look at the "implementation" pages of the FreeRTOS.org web site. It gives a lot of information, albeit for an AVR not pic.

Regards.


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