About pertti

pertti · 2016-12-19

Posted on December 19, 2016 at 19:16We are using a STM32F769 to drive a 400x400 DSI display. What could we do to about double the current writing speed or to identify what is the bottleneck? LTDC is set up for sending data from SRAM1 for DSIHOST tha...

pertti · 2014-02-25

Posted on February 25, 2014 at 16:34I'm using the STemWin522_CM4_OS_GCC library on a STM32F407 board (our own, testing on a 3240g EVAL). I have a problem using the precompiled library. It should be possible to define the functions GUI_X_Warn() and...

pertti · 2016-12-19

Posted on December 20, 2016 at 08:48It looks like we found the solution and the problem elsewhere. Now getting good display write performance with a different test setup. Investigating more.

pertti · 2014-02-25

Posted on February 26, 2014 at 08:21Thanks Clive. Ok, have to do without those error messages (or buy a license form Segger). I'll look at the registers etc. with a debugger the next time.Let's see if some of the problems is such that I could extrac...

pertti · 2014-02-25

Posted on February 25, 2014 at 17:18Those two discussions I had red already earlier. I do use debugger a lot. Eclipse+gdb+openocd through a SWD connection. On a Mac so cannot use the simulator.I have lots of code working, also on the GUI side. But f...

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Slow LTDC + DSIHOST Augmented Command Mode

STemWin: using GUI_X_Warn() and GUI_X_ErrorOut()

Re: Slow LTDC + DSIHOST Augmented Command Mode

Re: STemWin: using GUI_X_Warn() and GUI_X_ErrorOut()

Re: STemWin: using GUI_X_Warn() and GUI_X_ErrorOut()