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Resolved! polling interrupt flag, without activate interrupt

I was working with SPI dma transmision. I config two channels for transmit and receive, however I didn't enable interrupt option in dma, however, before each transmision I cleared tc flag, and then enable spi while polling the tc flag. This works rea...

JCuna.1 by Senior
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H743ZI Full-duplex DMA communication. When the baud rate is 25M, the master and the slave can receive the data correctly. When 50M and 100M, the slave can receive the data correctly, but the master cannot receive the data correctly.

Use two NUCLEO-H743ZI boards for SPI communication. Full-duplex DMA mode. When the baud rate is 25M, the master and the slave can receive the data correctly. At 50M and 100M, the slave can receive the data correctly, but the master cannot receive the...

one V by Associate III
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STM32F407 DISC-1 out of stock

Hello, In India, the STM32F407 discovery board is out of stock. I enquired many vendors like element14, Digikey and other locals, it's not at all available. Did ST stop the production of this ? Will it be availabel in the future ? which is the close ...

n.serina by Associate III
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Resolved! Hardware trigger for MDMA?

Hello there.Our design currently utilizes MDMA for intensive writes from SRAM4 to FMC bus area. Transfer is setup with double word transactions, witch is critical for performance. DMA 1/2 or BDMA is simply do not cut it due to lack of AXI access i gu...

BStud.1 by Associate II
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Problem with STM32H743ZI2 USART Rx DMA

Hi,Can someone help me identify what I am doing wrong ?Still having issues with the DMA, but with Rx DMA instead. The issue with Tx DMA is fixed.I am trying to send 4 chars from a terminal to the H743 rxbuf array using DMA.In the debugger window, the...

stm32l476rg flash read-write

I want to use flash as eeprom by using hal library on stm32l476rg.How can I create the flash_read() and flash_write() functions? (functions will read and write data of type uint32_t)

Bicer by Associate II
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