About Bvan .6

Bvan .6 · 2021-09-29

Hello,Our project uses an STM32H743VIT and we are building the project on Cube rev. 1.7.0.Currently we use the HAL function HAL_SRAM_Write_8b to control a display on address 0xC0000000 on bank 1. (the display has an onboard controller SSD1351 setup f...

Bvan .6 · 2021-10-03

Some more progress. Function HAL_SRAM_Write_DMA has a line multiplying the amount of BufferSize by 4 before calling HAL_MDMA_Start_IT.If I remove the 4* multiplication, my code executes and the CPU time spent on writing an image to the display is dec...

Bvan .6 · 2021-09-29

After some more digging I found that:The MX_DMA_Init routine does not set the initialize Request type to MDMA_REQUEST_SW although I would expect that because of the Config tool setting. Maybe it's a wrong assumption. If I put that in manually, like s...

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FMC MDMA setup with display

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Re: FMC MDMA setup with display