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FSL UART Driver in Blocking Mode with MQX

Question asked by TOM TALKINGTON on Jan 4, 2016
Latest reply on Jun 1, 2016 by TOM TALKINGTON

I am using the FSL UART Driver in blocking mode with MQX as the RTOS.  When the IRQ posts to the rxIrqSync semaphore a hard fault is generated.  Have spent three days troubleshooting this problem and have run out of ideas as to what to try next. The _lwsem_post code executes to the _CHECK_RUN_SCHEDULER() function where the hard fault occurs.

 

Any troubleshooting suggestions would be greatly appreciated.

 

Thanks,

Tom

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