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FreeRTOS Support ArchiveThe FreeRTOS support forum is used to obtain active support directly from Real Time Engineers Ltd. In return for using our top quality software and services for free, we request you play fair and do your bit to help others too! Sign up to receive notifications of new support topics then help where you can.
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LPC2478 PortPosted by Nico Bollen on July 13, 2009 Did anyone already made a port for the NXP LPC2478. I was trying to do so using Rowley CrossWorks v2.0, project builds but when debugging it seems that the processor always ends up at: pabort_handler: b pabort_handler in the file Philips_LPC230x_startup RE: LPC2478 PortPosted by MEdwards on July 13, 2009 I don't think it will be too different to to the LPC2368 demo. Did you put the CPU in Supervisor mode before calling main()? RE: LPC2478 PortPosted by Nico Bollen on August 14, 2009 I've tried to debug and noticed that the processor calls the abort handler when the following instruction "SUBSPC, LR, #4" is called in the function "portRESTORE_CONTEXT". Does anybody have an idea?? Thanks RE: LPC2478 PortPosted by Richard on August 14, 2009 Make sure the processor is in Supervisor mode before that line is executed. Best to use the start up files from from the FreeRTOS download that set Supervisor mode before calling main. Regards. RE: LPC2478 PortPosted by Nico Bollen on August 14, 2009 Supervisor mode? how does that work? RE: LPC2478 PortPosted by Nico Bollen on August 14, 2009 You where right, added the following to the preprocessor defenitions: GCC_ARM7 SUPERVISOR_START VECTORED_IRQ_INTERRUPTS PACK_STRUCT_END=__attribute__((packed)) ALIGN_STRUCT_END=__attribute__((aligned(4)))
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