I am calling “ulTaskNotifyTake( pdTRUE, portMAX_DELAY )” from a function called by a task. I get to the interrupt routine consistantly and I do a “vTaskNotifyGiveFromISR( xdmacChannelNotification[i], NULL );” but the isr never finishes and never gets back to the function where it did the take. Is there anything I can check for configuration? Any clues?
Is xdmacChannelNotification[i] a valid task handle? Step into the vTaskNotifyGiveFromISR() function in the debugger to see what it does, and where it goes. Regards.
it has asserted at this line in vPortValidateInterruptPriority() configASSERT( ucCurrentPriority >= ucMaxSysCallPriority );
The interrupt priority is not valid, see http://www.freertos.org/RTOS-Cortex-M3-M4.html
Turns out I had the priority of the interrupt too high. lowering made it work.
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