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Hi Everyone, Weare working on a project where using SPI3 with DMA to communicate with flash. The problem we are facing is when copying a file from our module to PC, (file size is around 130 MB), it takes almost 14 minutes to complete the transfer.

SNata.1
Associate II

‎2020-12-01 3:30 AM

Is there anyway we can decrease this time. We are using void DMA2_Channel2_IRQHandler(void) and void DMA2_Channel1_IRQHandler(void). Both RX and Tx callbacks are not firing and really not able to debug this issue. Looking forward to a solution. Thanks everyone.

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SNata.1
Associate II

‎2020-12-01 11:36 PM

If we change any value above from 512, the USB device is not recognized. PC cannot recognize our module.

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