About nHasi.1

nHasi.1 · 2022-09-16

I am using STM32h753XI.The MCU uses 2 SPI channels (SPI1 and SPI2) in slave receive mode.The MCU uses 2 DMAs channels (DMA1 stream0 and DMA2 stream0) to read the data from SPI1 and SPI2 and write it to SRAM1 and SRAM2 respectively.The input SPI sclk ...

nHasi.1 · 2022-09-18

HiThank u both (Tesla and MM1) for the help.The buffers are defined as global and are aligned;__attribute__((section(".sram1"))) volatile ALIGN_32BYTES(uint32_t buff_sram1[32768]); /*buffer for 1st spi channel. located in SRAM1 (limit size 128KB <...

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STM32H753XI. When 2 DMAs are working and writing data from SPI1/2 to SRAM1/2 the received data has errors. When only one DMA is working the received data has no errors. Why?

Re: STM32H753XI. When 2 DMAs are working and writing data from SPI1/2 to SRAM1/2 the received data has errors. When only one DMA is working the received data has no errors. Why?