About matthew2

matthew2 · 2015-05-14

Posted on May 14, 2015 at 10:18Hi. I'm quite new into the STM32 devices, so apologies in advance for the scrappy code! I've got a STM32F429 Discovery board attached to a SSD1963 display though the FMC (8 bit mode at the moment), however I cant seem ...

matthew2 · 2015-05-16

Posted on May 16, 2015 at 11:36Hi. If your using SPI to write to your display then you probably have a display with a built in controller. Adjusting the settings on the controller will allow you to rotate the display between landscape and portrait m...

matthew2 · 2015-05-15

Posted on May 15, 2015 at 15:32Managed to get a little more time to play around today. Heres what I've found out. I suspect the pull-up is a bit of a red-herring. I'm guessing its just skewing a clock edge a little. With the AHB bus at 42MHz (pll...

matthew2 · 2015-05-14

Posted on May 14, 2015 at 17:30Thanks Clive1 This has helped a lot, I can now get the display updating correctly with the sysclk at 168 and the AHB at 84. Working from an internal frame buffer I can adjust the transfer rate to get about 60ms per fra...

matthew2 · 2015-05-14

Posted on May 14, 2015 at 16:01I am also having a possible similar / related problem. For testing I'm drawing a square onto a plain background in a frame buffer, then transferring the buffer to the screen though the FMC (not using dma). If the col...

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STM32F429 FMC + SSD1963 + Clock Speed

Re: Rotate Bitmap on SPI

Re: SSD1963 and DMA with FMC

Re: STM32F429 FMC + SSD1963 + Clock Speed

Re: SSD1963 and DMA with FMC