Hi Alan, Thanks..
BTW: I found a minor mistake in my Touch Controller Adapter Board design, I don't know (yet) how our touchscreen input driver handles PENIRQ\ (if it is used), the R3 should normally be pull-up to Vcc but I connected it to GND by mistake. I'll correct it. Regards, Murat On 2021/08/03 17:59:04, Alan Carvalho de Assis <acas...@gmail.com> wrote: > Hi Murat, > > All you need to do is to define: > > CONFIG_INPUT_TOUCHSCREEN (and enable your touchscreen driver) > > and > > CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE > > Your touchscreen device needs to be at /dev/input0 > > Look at apps/examples/lvgldemo, it is very straightforward. > > If your touchscreen is not /dev/input0, you need to setup > CONFIG_EXAMPLES_LGVLDEMO_DEVPATH with a new device path (i.e. > /dev/touch2). > > BR, > > Alan > > On 8/3/21, murat tologlu <mtolo...@hotmail.com> wrote: > > Hi @Barbiani, > > > > I got a 3.2" resistive touch panel from Buydisplay, however I would like to > > use it with ADS7843e controller using nuttx/drivers/input/ads7843e.c instead > > of connecting it direct to ESP32 ADC inputs as you did, however I'm not > > experienced enough in lvgl so I don't know how to make the integrating with > > lbgl. I appreciate very much your comments. > > > > I started a topic here in Nuttx Discord channel for this application, maybe > > you visit: > > https://discordapp.com/channels/716091708336504884/872142546929877042/872142551539409007 > > > > > > Regards, > > Murat > > > > > > On 2021/06/25 19:39:49, Barbiani <barbi...@gmail.com> wrote: > >> 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 > >> > > >> > > >
