Data Sheet

4DPi
-32
-II
Primary Display
– Raspberry
Pi
Contents
1. Description ............................................................................................................................. 3
2. Features ................................................................................................................................. 3
3. Pin Configuration and Summary .............................................................................................. 4
4. Connecting the Display to the Pi .............................................................................................. 6
4.1. Hardware Connection ............................................................................................................................ 6
4.2. Software Download / Installation .......................................................................................................... 6
4.3. Calibrating the Touch Screen ................................................................................................................. 7
4.4. Change the Display Orientation ............................................................................................................. 7
4.5. Change the SPI Freq and Compression .................................................................................................. 8
4.6. Backlight Control .................................................................................................................................... 8
4.7. Parameters Listing .................................................................................................................................. 8
4.8. HDMI or 4DPi Output ............................................................................................................................. 9
4.9. Changing DPI output .............................................................................................................................. 9
Optimising appearance/ sizes .............................................................................................................. 9
5. Notes ................................................................................................................................... 10
6. Scribble Box .......................................................................................................................... 10
7. Mechanical Details ............................................................................................................... 11
8. Schematic Diagram ............................................................................................................... 12
9. Specifications and Ratings ..................................................................................................... 13
10. Appendix 1 – Code Examples – Push Buttons ....................................................................... 14
Example for communicating to Push Buttons, for C: ......................................................................... 14
Example for communicating to Push Buttons, for Python: ................................................................ 15
Example for Shutdown and Reset buttons, for C ............................................................................... 16
Example for Shutdown and Reset buttons, for Python ...................................................................... 17
11. Legal Notice ........................................................................................................................ 18
12. Contact Information............................................................................................................ 18