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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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Invalid opcode 0xffff at address 0x003322Posted by Pascal Jean on November 13, 2005 I use FreeRTOS to produce a robot (mavrix). I use a ATMEGA128 and AVR Studio 4.12rc1 I created a small very simple demonstration to play of the music. In the task which plays the music, the call with xTaskGetTickCount starts an error of AVRSTUDIO: AVR Simulator: Invalid opcode 0xffff at address 0x003322 I suspect a overflow of pile (Richard put 112233 at the end of the stack) but even by increasing the size of that does not change anything. If you have an idea, I am interested... Thank you. RE: Invalid opcode 0xffff at address 0x003322Posted by Nobody/Anonymous on November 14, 2005 Very likely a stack overflow. Can you look in the stack when the error occurs? You should be able to do this from within AVRStudio when the probelm happens.
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
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