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Resolved! STM32H743 How to start SPI DMA transfer by event

I have a ADC chip connected via SPI to STM32H7x MCU. MCU is master spi, and ADC sends "Data ready" signal whenever new values are ready to transfer. I need sampling rate above 100000 samples per second。If i listen to external interrupt (Data Ok) and ...

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wqw.1 by Associate II
  • 5986 Views
  • 11 replies
  • 1 kudos

STM32H723 MDAM not getting OCTOSPI1 request

Hi,I'm trying to use MDMA to send some data over OCTOSPI1 in indirect mode but so far I haven't been successful. Here is my OCTOSPI1 initialization code:// ---- OCTOSPI1 peripheral ----RCC->AHB3ENR |= RCC_AHB3ENR_OSPI1EN;OCTOSPI1->DCR1 = 0x0000;OCTOS...

Visques by Associate II
  • 901 Views
  • 3 replies
  • 1 kudos

Resolved! SDMMC FR_NO_FILESYSTEM STM32H7

Hi everyone. I'm trying to build a data logger using a SD Card using SDMMC. I'm using the STM32-H747i DISCO, STM32 Cube IDE and following the example STM32 - Creating a File System on a SD card from STMicroelectronic youtube channel.The program passe...

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JuanBT by Associate II
  • 2219 Views
  • 6 replies
  • 0 kudos