hard20 pts · first answer countsfirmwarertosinterrupts

FromISR call trips an assert

On Cortex-M with FreeRTOS, an ISR at NVIC priority 2 calls xQueueSendFromISR() and hits configASSERT. configMAX_SYSCALL_INTERRUPT_PRIORITY is set to priority 5. What is wrong?

A.Priority 2 is less urgent than the limit, so it runs too lateB.FromISR functions may only be called from priority 0C.Priority 2 is more urgent than the limit, so it may not call RTOS APIsD.The queue must be created inside the ISR

Discussion 0

Join free to post in the discussion.

FromISR call trips an assert

Discussion 0

Related questions