tft display orange pi pinout pricelist

– orange pi zero all have 2 SPI bus: one in the main GPIO port, and one for the flash on the back side. If you don’t have the plus model, you can unsolder the FLASH and use the port. FLASH is port 1, so, GPIO is port 1. This is very important when you follow tutorials written for other opis

– before you start following a tutorial, you need to understand which kernel you are using. If the turial is written after jan 2017, and mentions adding an overlay in armbianEnv.txt, then it’s for kernel 4; if the tuto is before feb 2018, and does not mention altering armbianEnv.txt for SPI compatibility, author is using kernel 3. This is critical.

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Hey guys, I"ve spent the last couple of weeks trying to get a TFT display with touch screen to work on my Orange Pi PC board, and I"ve decided to share my step-by-step solution here. This tutorial is heavily based on Guide: How to use Touchscreen + LCD on H3 devices by Kutysam, but I had to do some extra steps for it to work properly. This tutorial is only for Mainline kernel, I was able to get the graphical screen working with Kutysam"s guide for Legacy, but couldn"t make the touch work.

Also, I am using the image Armbian_5.38_Orangepipc_Debian_stretch_next_4.14.14_desktop, but it should work for the headless version (server) too, if you install a display manager, desktop environment and the X server.

Add the following lines to the end of the file (Be careful with spaces in the end of the lines... I lost a couple of days trying to figure out what the problem was when I had an extra space after "param_spidev_spi_bus=0"

Now we need to configure fbtft and fbtft_device on boot. Note: I had to put "98" in the start of the filename, or else I"d get the following error: "fbtft_device: spi_busnum_to_master(0) returned NULL" in dmesg after I installed the touchscreen. I believe it has something to do with the load order, so if you"re having problems with this file you could try changing the prefix to 99 or removing it.

And reboot. At this point your screen should at least turn black. For me, the GUI wouldn"t load unless I typed "startx" on the console. So this is how I fixed it to always display the GUI on boot:

options ads7846_device model=7846 cs=1 gpio_pendown=1 keep_vref_on=1 swap_xy=1 pressure_max=255 x_plate_ohms=60 x_min=200 x_max=3900 y_min=200 y_max=3900

options ads7846_device model=7846 cs=0 gpio_pendown=1 keep_vref_on=1 swap_xy=0 pressure_max=255 x_plate_ohms=60 x_min=200 x_max=3900 y_min=200 y_max=3900

Test your display to see if it works. This matrix worked best for me, but you might need to tweak it. Refer to this guide for more info on how coordinate transformation matrices work.

If you have multiple users logging in the session displayed on your screen, you might need to add this file for every user. ".xsessionrc" was the only file where I could get this working.

The issue I am having is this: I am usinga  waveshare 10.1 inch TFT HDMI display that has the SPI connector (lcd: https://www.waveshare.com/wiki/10.1inch_HDMI_LCD).

I used this as a tutorial guide of followed the steps to activate the spi interface and have used armbian config to turn on the spi interface as well:

*** If there is a 10 inch LCD panel (with touch) that will work with the OPi WinPlus that can be connected through LCD connector on this board, can someone post a link to it?? I have not been able to find one in my google searches.

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