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pic24 external interrupt

Posted by marinayelken on July 3, 2017

can someone help me for Freertos givesemaphore when an external interrupt occured one of the int pins. (int0 perhaps) the task waiting for semaphore will toggle a led on an output pin.


pic24 external interrupt

Posted by rtel on July 3, 2017

The following page contains example code that shows how to give a semaphore from an interrupt.

http://www.freertos.org/a00124.html

However it is much more efficient to use a direct to task notification in place of a semaphore.

http://www.freertos.org/RTOS-task-notifications.html


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