Hi, I have put together a touch screen driver for this board using a separate touch glass placed over the tft display.
It is resistive and the connections are described in the source file. https://github.com/lvgl/lv_drivers/blob/master/indev/AD_touch.c On Fri, Jun 25, 2021, 16:17 Gustavo Henrique Nihei <ghni...@gmail.com> wrote: > Hi Murat, > > Just to add to Alan's answer, this is actually the Slideshow mode for the > LVGL Widgets example. > You may disable it via "CONFIG_EXAMPLES_LVGLDEMO_WIDGETS_SLIDESHOW". > Then the example application will just wait for the user input. > > Best regards, > Gustavo. > > On Fri, Jun 25, 2021 at 4:12 PM Alan Carvalho de Assis <acas...@gmail.com> > wrote: > > > Hi Murat, > > > > The LVGL moving up and down it not a bug, it is by design. > > > > LVGL guys did it as as way to show all the screen exactly for board > > that doesn't have a touchscreen to interact with it. Otherwise you > > should think it was crashed/freeze, don't you? :-) > > > > Hmm, maybe we can use a BackBerry TouchPad as mouse. > > > > Matias, do you think it is possible? Probably we will need to > > implement a driver to make it behavior like a mouse to be used on > > NuttX. > > > > BR, > > > > Alan > > > > On 6/25/21, murat tologlu <mtolo...@hotmail.com> wrote: > > > Dear Gustavo, > > > > > > Thanks you very much for your interested and for the informations > you've > > > provided. > > > > > > I wasn't aware that the esp-wrover-kit doesn't have any touch keypad, I > > am > > > very much surprised about that. That's why I talked about an improper > > lvgl > > > operation, I was expecting to interact with the display as I do > normally > > > with many other boards :) I think this is a weakness of the > > esp-wrover-kit, > > > do we have to use a separate keypad in case a user entry is required? > > > > > > On the other hand the display is not stable, it moves up and down as > > seen on > > > old-time TVs, it is a synch problem, it can be related to frame rate, I > > will > > > try overclocking the SPI bus as you've suggested. > > > > > > Best regards, > > > Murat > > > > > > On 2021/06/25 12:13:40, Gustavo Henrique Nihei <ghni...@gmail.com> > > wrote: > > >> Hi Murat, > > >> > > >> I've just watched your video after you made it public. > > >> It seems to be working as expected for the "esp32-wrover-kit:lvgl" > > >> configuration. > > >> What exactly do you mean by frequency mismatch? I can see some stripes > > in > > >> the video, but I believe this is probably due to the video recording. > > >> If the issue is regarding the framerate, you may tweak the > configuration > > >> in > > >> order to increase it (e.g. overclocking the SPI bus via > > >> CONFIG_ESP32_LCD_OVERCLOCK) > > >> Also, the ESP-WROVER-KIT does not provide a touch sensor. > > >> > > >> Best regards, > > >> Gustavo. > > >> > > >> On Fri, Jun 25, 2021 at 1:05 AM murat tologlu <mtolo...@hotmail.com> > > >> wrote: > > >> > > >> > Hi, > > >> > > > >> > Brand new ESP-WROVER-KIT V4.1, loaded with latest nuttx and apps, > > >> > without > > >> > any jumper modification > > >> > > > >> > https://youtu.be/17vXIOFpU5c > > >> > > > >> > Seems like a frequency mismatch, touch input doesn't work as well.. > > >> > what > > >> > can be the reason? > > >> > > > >> > > >> > > >> -- > > >> Gustavo Henrique Nihei > > >> > > > > > > > > -- > Gustavo Henrique Nihei >
