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PZhou.1 · 2020-08-05

Hello,When I enable usart idle interrupt function on stm32g071rb, it fires the interrupt immediately even there is no communication on the bus.I debug use cubeide and IAR. The results are the same.When UE bit in USART_CR1set to 1, the IDLE bit in USA...

PZhou.1 · 2020-08-06

Thanks for reply. The problem is that it trigger an idle condition without a communication.

PZhou.1 · 2020-08-06

Thanks for reply.My doubt is same as you.The init of usart is create by cubeIDE use HAL lib. I think the procedure are same between F103 and G071. Same code in F103 and G071, the phenomenon are different. F103 is OK, but G071 is not. It confused me.

PZhou.1 · 2020-08-05

The problem is that there is no communication on the uart receive line. So it doesn't need the condition for idle interrupt. Even I clear the interrupt flag before enable this interrupt, it seems the flag can't be cleared.I must add a delay, later th...

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