I think it is software related. I checked the possibility of a short circuit as much as I could.
It is interesting that there is no any signal on GPIO25 SPI2 MISO line but there is an un-expected signal on GPIO13; something like GPIO13 and GPIO25 lines are cross wired! On 2021/07/25 19:49:08, Nathan Hartman <hartman.nat...@gmail.com> wrote: > On Sun, Jul 25, 2021 at 3:31 PM murat tologlu <mtolo...@hotmail.com> wrote: > > > Hi, > > > > I would like to use lvgl and mmcsd together on esp32-wrover-kit. > > > > lvgl configuration uses these SPI2 IO numbers: 22,19,23,25 ( > > https://ta1db.5g.com.tr/murat/SPI2-SPI3-lvgl2.JPG ). I want to use SPI3 > > IO numbers 13,14,15,2 to connect the SD Card. > > > > However I see that Lvgl SPI configuration occupies IO13 somehow and > > disturbs my SPI3 configuration ( > > https://ta1db.5g.com.tr/murat/SPI2-SPI3-lvgl.JPG ). > > > > Could anyone tell me the reason and how to handle this issue? > > > > BR, > > Murat > > > > > > > > > Is it the software doing it or is there any possibility of a short between > the two traces on your circuit board? > > If it is software, can you try to single step using a debugger and see > where code is taking a wrong turn? >