About SNguy.3

SNguy.3 · 2024-07-20

I have develop the UI for screen use RGB222, it's worked well on simulator. The external flash on device is QSPI and it's worked too. I have some dynamic text like language change, update textarea by special TypedText Id.The "System Information" is d...

SNguy.3 · 2022-09-12

Hi,I write the firmware using STM32L432 (NucleoL432-KC) used usart1 and usart2 with DMA RX/TX and received idle line.The usart1 and usart2 using pin of the same port (PORT-A)The problem is lost receive data if I receive data on both port at the same ...

SNguy.3 · 2022-09-17

Thank @Tesla DeLorean for your supported. The problem is solved. I have use the same the tx buffer for both uart.

SNguy.3 · 2022-09-13

Yes, I already try using interrupt and timer but the same problem. No data lost if only one uart run. Data start lose when two uart work. Also do transfer very slow 500ms each message 8-15 byte.Thank for your solution, I try to debug more and hope th...

SNguy.3 · 2022-09-12

HI @Community member Thank for your response.All the data receive as concurrent by using DMA then handle idle line detect interrupt and copy this data to buffer. On main loop get buffer out and process it.The process very fast has no problem with b...

SNguy.3 · 2022-01-03

Hi, I have same problem with code generated by cubemx. If project generate with empty configure then port QSPI example to run there is no problem.

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STM32L432 use both usart1 and usart2 receive missing data

Re: STM32L432 use both usart1 and usart2 receive missing data

Re: STM32L432 use both usart1 and usart2 receive missing data

Re: STM32L432 use both usart1 and usart2 receive missing data

Re: QSPI Interrupt functions causing STM32F746 to get stuck in QSPI IRQ function