About john chen

john chen · 2017-09-12

Posted on September 12, 2017 at 10:50Dear community.I have a very interesting issue - I am working on STM32L496 Nucleo board and working with USART1. Everything works fine there with USART1 receive/transmitting in INT mode. (Nucleo runs 3.3v with ...

john chen · 2017-09-12

Posted on September 13, 2017 at 07:00OK, I think I found the solution to what is going on. I'm trying to add another layer on top of the HAL operations to handle errors, and that is causing a crash. So I removed that and now it doesn't crash.Anoth...

john chen · 2017-09-12

Posted on September 13, 2017 at 00:47Oh one more data point to complicate the weirdness - uart4 is working ok, both TX and RX, but USART3, USART1, and LPUART1 are all crashing. we are using all the uarts in Asynchronous mode.Any other ideas would b...

john chen · 2017-09-12

Posted on September 13, 2017 at 00:46 Thanks Turvey.Clive‌. I dug out the debugger, and it did hardfault, seems like its getting an error on the UART RX, and we're not able to handle the error properly.. Whats weird it why its getting an error...

john chen · 2017-09-12

Posted on September 12, 2017 at 10:52btw, sorry, I meant STM32L496, not STM32L492...

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STM32L496 USART1 RX crash @ 1.8V IO

Re: STM32L496 USART1 RX crash @ 1.8V IO

Re: STM32L496 USART1 RX crash @ 1.8V IO

Re: STM32L496 USART1 RX crash @ 1.8V IO

Re: STM32L496 USART1 RX crash @ 1.8V IO