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Problem with SPI_SLAVE_DMA transmision

Question asked by elbeshlawy.mohammed on Jun 11, 2018
Latest reply on Jun 12, 2018 by elbeshlawy.mohammed

hi st

I have problem using spi slave with dma

i use stm32f746 as slave to transmit data to master pc 

i send for test fixed frame start with check char "$>" to sync timing then slave should send 12 bytes ( 1-12)

problem many times i got error that frame sent upto middle correct then fixed byte to end and in next frame slave send other frame missing from previous frame and continue with fixed byte for ever as much as master send clock






test spi slave dma