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USART Interrupt Handler

Question asked by rahimi.meysam on Feb 26, 2015
Latest reply on Feb 27, 2015 by Reilly
I have a board with stm32f407. I Have ported UCOSII on it and in one of tasks enable USART3 and its interrupt handler. 
USART works correct at sending  but my probelm is this:
I can not recieve any thing on my interrupt handler related to USART3.
I done know if ucOS is effected the interrupt or not?
and How I can resolve my problem.
thanks for your answers.