About MLamb.1

MLamb.1 · 2021-04-07

Hi st community members,I'm having some stranges behaviors with the DSI and LTDC, I use these peripherals to communicate with my screen driver. The driver need an init to give specific values for some registers, this step is well done.After that i'm ...

MLamb.1 · 2021-04-16

Finally to bypass the problem we only work with memcpy instead of the dma2d, and we read all the buffer destination before the DSI refresh.

MLamb.1 · 2021-04-09

What do you mean about DOT CLK (vertical hori sync) ?I dont think it's a synchronisation issue, more like some kind of memory protection.I tried video mode, it doesn't work.

MLamb.1 · 2021-04-09

I have changed to RGB888 (it changes my memory organisation 24 bits instead of 32 bits) but the same behavior. I need to write two times, to see a correct result.And when I read the buffer memory in debug mode to check if my data is correct (and it i...

MLamb.1 · 2021-04-07

I have some screenshots for the DSI config, I hope it will help.I have a 25 MHz crystal for the HSE that feed the DSI PLL.My clock is lower because of my clock config, to be able to see the communication with my scope.

User statistics

User Activity

DSI strange behavior

Re: DSI strange behavior

Re: DSI strange behavior

Re: DSI strange behavior

Re: DSI strange behavior