RL-RTX and NVIC_EnableIRQ

I have a problem to use NVIC_EnableIRQ when Keil RL-RTX is running. If I call NVIC_EnableIRQ before starting a first task, it work, but if NVIC_EnableIRQ is calling in a task HardFault_Handler happen...
RL-RTX and NVIC_EnableIRQ

I have a problem to use NVIC_EnableIRQ when Keil RL-RTX is running. If I call NVIC_EnableIRQ before starting a first task, it work, but if NVIC_EnableIRQ is calling in a task HardFault_Handler happen...
My usart interrupt occure only one time!!

Hi. who can help me !! my interrupt occure only one time. I dont know why?? can any body help me why my program dosent work correctly? my startup is SAM7.s thise is my code: #include "at91sam7x256...
My usart interrupt occure only one time!!

Hi. who can help me !! my interrupt occure only one time. I dont know why?? can any body help me why my program dosent work correctly? my startup is SAM7.s thise is my code: #include "at91sam7x256...
My usart interrupt occure only one time!!

Hi. who can help me !! my interrupt occure only one time. I dont know why?? can any body help me why my program dosent work correctly? my startup is SAM7.s thise is my code: #include "at91sam7x256...