STM32 MCUs Embedded software

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F410: multiple definition of `huart2';

HI there, i m using F410 Nucleo, and i keep getting these errors when using USART2, as I declare in 2 separe files i.e. main.c and buffer.  could anyone advise how to resolve this?error: multiple definition of `huart2'; //main.c .. /* Private variabl...

RTC format AM/PM

 Good morning,I am trying to use the RTC and I managed to make it work as expected for the 24hs format, it has no delays and when resetting I could see how to make it save the time but I am having a problem with the 12hs AM/PM mode, the set to go fro...

HAL_SPI_Receive_IT Also Transmits

I am using STM32F105xx family, working with HAL_SPI API.  I have discovered that the call to HAL_SPI_Receive_IT causes whatever data is in the provided buffer to be clocked out on MOSI.  This issue is also discussed to some extent in this thread, but...

Brian H by Senior
  • 173 Views
  • 7 replies
  • 5 kudos

Re-synchronise HAL_UART_Receive_DMA best way?

Hello,Using HAL_UART_Receive_DMA() function and expecting an N length message, so have set the buffer length and transfer size to N.The communicating equipment sometimes adds an extra character / or drops a character which is taking my DMA out of syn...

###### by Senior
  • 234 Views
  • 9 replies
  • 0 kudos

Resolved! Controlling WS2812B LED Strip With STM32

Hello,I'm new to STM32 and trying to learn exciting stuff. I want to light a single LED from my WS2812B strip. For example I will choose 6th LED on my computer and 6th LED on strip will light up.But I'm not sure where to start. How can I access to si...

salvi.a by Associate II
  • 7649 Views
  • 6 replies
  • 3 kudos