Joy-it RB-TFT3.2 Manual Download Page 2 | Manualshive

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Published: 16.08.2019

Copyright by Joy-IT

2

3.2“ / 3.5“ Touch-Display

1.

Overview

2.

Connection

3.

Installing the software

4.

Using the buttons

5.

Touchscreen calibration

6.

Simultaneous use of LCD and HDMI

7.

Information- and take-back obligations

8.

TABLE OF CONTENTS

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Summary of Contents for RB-TFT3.2

Page 1: ...3 3 2 3 5 Touch Display for Raspberry Pi ...

Page 2: ...by Joy IT 2 3 2 3 5 Touch Display 1 Overview 2 Connection 3 Installing the software 4 Using the buttons 5 Touchscreen calibration 6 Simultaneous use of LCD and HDMI 7 Information and take back obligations 8 Support TABLE OF CONTENTS ...

Page 3: ...issioning and use Should you encounter any unexpected problems during use please feel free to contact us Plug the 3 2 3 5 TFT display onto the Raspberry Pi so that it is plugged onto the first 26 pins of the GPIO connector After that the backlight of the display should already light up 1 OVERVIEW 3 2 Display 3 5 Display Controller XPT2046 Resolution 320x240 480x320 Colors 65 536 2 CONNECTION ...

Page 4: ...3 2 3 5 Touch Display Install the FBTFT image on your SD card using the Win32 Disk Imager program which you can download from the following links For RB TFT3 2 Downloads 3 2 display For RB TFT 3 5 Downloads 3 5 display 3 INSTALLING THE SOFTWARE ...

Page 5: ...djustment has to be done To do this the command dtoverlay vc4 fkms v3d has to be commented out in the config txt under the point pi4 this should look like this sudo nano boot config txt dtparam spi on dtoverlay joy IT Display Driver32b overlay rotate 270 swapxy 1 dtparam audio on max_usb_current 1 hdmi_force_hotplug 1 config_hdmi_boost 7 hdmi_drive 1 hdmi_ignore_edid 0xa5000080 dtparam spi on dtov...

Page 6: ...ed and saved with Ctrl X followed by Y and Enter Finally the file usr share X11 xorg conf d 99 fbturbo conf has to be edited To do this enter the following command And change the following line there so that you change fb0 to fb1 and the line looks like this This file is also terminated and saved with Ctrl X followed by Y and Enter sudo nano boot cmdline txt fbcon map 10 sudo nano usr share X11 xo...

Page 7: ...ia the GPIO When pressing a button the applied signal is pulled to ground Active_LOW The buttons are connected as follows cd tmp wget anleitung joy it net upload joy IT Display Driver 32b overlay dtb sudo cp joy IT Display Driver 32b overlay dtb boot overlays joy IT Display Driver 32b overlay dtbo cd tmp wget anleitung joy it net upload joy IT Display_Driver 35a overlay dtb sudo cp joy IT Display_...

Page 8: ...ints lit which must be pressed to calibrate the display Subsequently four calibration values are output in the terminal To save the calibration the setting must be saved to a file Create a new folder Now create the file in which the settings must be saved The entry should look like the following example the values after Calibration may differ from your values 5 TOUCHSCREEN KALIBRIERUNG sudo apt ge...

Page 9: ... are now four consecutive points lit which must be pressed to calibrate the display Subsequently four calibration values are output in the terminal which are stored in the file 99 calibration conf must be entered Open the file Enter the values in the following line here MinX corresponds to the first value MaxX to the second value MinY to the third value and MaxY to the fourth value After saving th...

Page 10: ...ent exit 0 a new line with the following content Now in the boot config txt following text block under the previously added settings starting on the following page must be added In this the resolution which is output from HDMI and Display can be adjusted by commenting out the respective triple block of hmdi_group hdmi_mode and hdmi_cvt In the following example the resolution is 800x600 default 6 G...

Page 11: ...r 320x240 native resolution of the 3 2 TFT Displays hdmi_group 2 hdmi_mode 87 hdmi_cvt 320 240 60 1 0 0 0 Settings for 640x480 hdmi_group 2 hdmi_mode 87 hdmi_cvt 640 480 60 1 0 0 0 Settings for 720x540 hdmi_group 2 hdmi_mode 87 hdmi_cvt 720 540 60 1 0 0 0 Settings for 800x600 hdmi_group 2 hdmi_mode 87 hdmi_cvt 800 600 60 1 0 0 0 Settings for 1024x768 hdmi_group 2 hdmi_mode 87 hdmi_cvt 1024 768 60 ...

Page 12: ...e so that you change fb1 back to fb0 as in the original state this is absolutely necessary in framebuffer copy mode hdmi_ignore_edid 0xa5000080 hdmi_force_hotplug 1 Resolution settings relevant group must be commented on 16 9 Settings for 1280x720 hdmi_group 2 hdmi_mode 87 hdmi_cvt 1280 720 60 3 0 0 0 Settings for 1600x900 hdmi_group 2 hdmi_mode 87 hdmi_cvt 1600 900 60 3 0 0 0 Settings for 1920x10...

Page 13: ...tion as the new one purchased from us free of charge for disposal Small appliances with no external dimensions greater than 25 cm can be disposed of in normal household quantities independently of the purchase of a new appliance Possibility of return at our company location during opening hours Simac GmbH Pascalstr 8 D 47506 Neukirchen Vluyn Possibility of return near you We will send you a parcel...

Page 14: ...he purchase If you still have questions or problems we are also available by e mail telephone and ticket support system E Mail service joy it net Ticket System http support joy it net Phone 49 0 2845 98469 66 9 30 17 00 o clock For further information please visit our website www joy it net 8 SUPPORT ...

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