Code hang in vPortRaiseBASEPRI

Hi Guys,

I am implementing Event flag group inter task communication in RTOS

where in one task device waiting for even and and setting the event in Uart ISR and code entered to vPortRaiseBASEPRI() and never come out.

Device is nucleo 64 of STM32L476 and rtos is csmsis v2

What will be reason

please help me out

Thanks and Regards

Gaurav CHoubey

I’m afraid you provide too little information to know. Can you please at least post the ISR code that is setting the event bit. Thanks.