About oseaw.1

oseaw.1 · 2023-11-06

I am reaching out to seek your expertise regarding the DMA transfer issue on SPI that I encountered while using the STM32H743 microcontroller.When an EXTI LINE 0 event (data ready) occurs, attached to the code is a program in which 30 bytes of 0xFF ...

oseaw.1 · 2023-04-06

I am reaching out to seek your expertise regarding a clock setup issue that I encountered while using the STM32H743 microcontroller.My goal is to use up to a maximum of 480MHz system clock using a 25MHz HSE. However, I have encountered some errors in...

oseaw.1 · 2023-11-15

Hello, I was trying to invalidate and clean rxbuffer, and set bits tx and rx requests simultaneously. But, It was not working. It seems that It's difficult to control dma in STM32H743.SCB_InvalidateDCache_by_Addr((uint32_t *)RxBuffer, BUFFER_SIZE);SE...

oseaw.1 · 2023-11-07

Hello F.BelaidThank you for your reply.As you commented, I disabled the D-Cache (turns off the entire data cache) using SCB_DisableDCache() and cleaned the entinre data cache using SCB_DisableDCache().but, the DMA transfer still not working properly....

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SPI DMA transfer issue on STM32H743

Clock Setup Issue on STM32H743 with 25MHz HSE for Maximum 480MHz System Clock

Re: SPI DMA transfer issue on STM32H743

Re: SPI DMA transfer issue on STM32H743