About CMyco

CMyco · 2019-07-24

I am prototyping on the STM32F746G-DISCO board but I have a problem with the DMA2D.I have used this micro on previous projects and even the DMA2D without issue, but this is the first time I have tried RGB888 to ARGB8888 pixel conversion.If I use ARGB...

CMyco · 2019-07-29

It should have been:DMA2D->CR |= DMA2D_CR_START;

CMyco · 2019-07-29

Feel free to use the code I attached to test code reviewing skills. Don't know how I missed it but the fantastic support at ST spotted it for me (oops).The last line of the code is wrong. Not sure how I did it, as it is correct throughout the rest of...

CMyco · 2019-07-24

I set the source data to be all zeros and forced the alpha to be 0xFF (in the FGPFCCR register). That way is should work with RGB and ARGB. I am drawing a black square on a white background. Very simple. But when the source mode is set to RGB, it app...

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STM32F746 DMA2D RGB to ARGB pixel format conversion not working

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Re: STM32F746 DMA2D RGB to ARGB pixel format conversion not working