https://www.made-in-china.com/showroom/8fc798e34e3f3ea2/product-detailwOCQYevjSJck/China-New-Product-2-8-Capacitive-Touch-Screen-Iic-Usbwith-Multitouch-It-Can-Be-Used-in-Smart-Home-and-Industrial-Equipment-FT6236u.html

On 2021/06/29 05:56:02, murat tologlu <mtolo...@hotmail.com> wrote: 
> There are also capacitive touchpads with integrated controller like this: 
> https://www.good-display.com/product/259.html
> 
> as seen on this esp-32 board: 
> https://forum.lvgl.io/t/wireless-tag-wt32-sc01-a-thin-3-5-inch-color-touchscreen-display-based-on-esp32/6011
>  
> 
> 
> 
> On 2021/06/26 02:54:56, Barbiani <barbi...@gmail.com> wrote: 
> > Bought it cheap from www.buydisplay.com
> > [image: 20200427_205700.jpg][image: 20200427_205736.jpg][image:
> > 20200427_205635.jpg]
> > 
> > On Fri, Jun 25, 2021 at 11:24 PM murat tologlu <mtolo...@hotmail.com> wrote:
> > 
> > > Actually this was not exact same thing what we need; we need a cheap touch
> > > glass or film something like this one  https://www.mikroe.com/touch-panel
> > >
> > > On 2021/06/26 01:35:42, murat tologlu <mtolo...@hotmail.com> wrote:
> > > > Here there is something similar :
> > > https://www.hwhardsoft.de/english/projects/arduitouch-esp/
> > > >
> > > > On 2021/06/25 19:47:06, murat tologlu <mtolo...@hotmail.com> wrote:
> > > > > Great news!
> > > > >
> > > > > Which touch glass you placed over the display ? I would like to buy
> > > one immediately.
> > > > >
> > > > > Maybe the Nuttx-Fellows may consider to include this opportunity into
> > > the Nuttx !
> > > > >
> > > > > BR,
> > > > > 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
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> > 
> 

Reply via email to