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FreeRTOS Support ArchiveThe FreeRTOS support forum is used to obtain active support directly from Real Time Engineers Ltd. In return for using our top quality software and services for free, we request you play fair and do your bit to help others too! Sign up to receive notifications of new support topics then help where you can.
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kernell feezesPosted by Nobody/Anonymous on October 31, 2006 Hi, I am having strange problem (at least in my point of view). When I do this: __arm void vRPM_ISR ( void ) { xNewRPM = xTaskGetTickCount(); whole freertos kernell freezes. When I chanege it to this: __arm void vRPM_ISR ( void ) { xNewRPM = xTickCount; everything runs well. So the problem must be in xTaskGetTickCount function in here: taskENTER_CRITICAL(); and taskEXIT_CRITICAL(); any explanation appreciated Thanks Josef RE: kernell feezesPosted by Nobody/Anonymous on October 31, 2006 You point out the answer yourself - do not call API functions from ISR's unless they have FromISR at the end of the function name. Critical sections inside an ISR is not good. RE: kernell feezesPosted by Nobody/Anonymous on November 1, 2006 Hi, Thank you for your reply. I thought that I have missed something. thank you very much Josef
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
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