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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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Static task memory allocation issue (FREERTOS 9.0.0)Posted by aseris on March 27, 2017 There is a mistake in official example for static memory allocation for IDLE task and Timers task. http://www.freertos.org/a00110.html#configSUPPORTSTATICALLOCATION Found this issue when task list becomes corrupted and I start figure outing what happened with debug plugin in IDE. The issue is in lines static StaticTask_t xIdleTaskTCB; static StackTypet uxIdleTaskStack[ configMINIMALSTACK_SIZE ]; and static StaticTask_t xTimerTaskTCB; static StackTypet uxTimerTaskStack[ configTIMERTASKSTACKDEPTH ]; the example proposes to allocate only 1/2/4 bytes of RAM to store TBC_t structure which is >100 bytes long Example code "works" until allocated stack is enough big and stack overflow check algorithms did not turned on. the correct code could be staticTCB_t xIdleTaskTCB; But, type xIdleTaskTCB is described inside tasks.c. Static task memory allocation issue (FREERTOS 9.0.0)Posted by aseris on March 27, 2017 Sorry, incorrectly read StaticTaskt as StackTypet . No issue.
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
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