About TZikr.1

TZikr.1 · 2020-07-24

i use stm32f407vgt chip with my own board designand working on STM32CubeIDE_1.3.0 void USART3_IRQHandler(void) { /* USER CODE BEGIN USART3_IRQn 0 */ //USART3->SR &= ~USART_SR_RXNE; LL_USART_ClearFlag_RXNE(USART3); static unsigned char iterat...

TZikr.1 · 2020-07-24

Thank you very much for spending your timethis is quite strange to me, it doesn't work on USART3 but it works well on UART5

TZikr.1 · 2020-07-24

somehow I can't get out from the irq handler even if USART-> DR has been read

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LL_USART_ClearFlag_RXNE(USART3) doesn't work properly but it worked normally when i use USART3->SR &= ~USART_SR_RXNE

Re: LL_USART_ClearFlag_RXNE(USART3) doesn't work properly but it worked normally when i use USART3->SR &= ~USART_SR_RXNE

Re: LL_USART_ClearFlag_RXNE(USART3) doesn't work properly but it worked normally when i use USART3->SR &= ~USART_SR_RXNE