linux-driver-for-WEX012864GLPP3N10000-
The linux driver for graphic monochrome OLED display. The WEX012864GLPP3N10000 is based on SSD1305 controller.
List of required hardware:
- Beagle Bone Black board
- WEX012864GLPP3N10000 display
The rule of the connection the display to BBB board.
pinout______
|CON1#| Symbol| BBB HEAD PIN | GPIO# |
|||||
| 1 | VDD | P9.4 | DC3.3V |
| 2 | VSS | P8.1 | DGND |
| 3 | NC | - | - |
| 4 | D0 | P8.45 | 70 |
| 5 | D1 | P8.46 | 71 |
| 6 | D2 | P8.43 | 72 |
| 7 | D3 | P8.44 | 73 |
| 8 | D4 | P8.41 | 74 |
| 9 | D5 | P8.42 | 75 |
| 10 | D6 | P8.39 | 76 |
| 11 | D7 | P8.40 | 77 |
| 12 | CS# | P8.37 | 78 |
| 13 | NC | - | - |
| 14 | RES# | P8.38 | 79 |
| 15 | R/W# | P8.36 | 80 |
| 16 | D/C# | P8.34 | 81 |
| 17 | E/RD#| P8.35 | 8 |
| 18 | NC | - | - |
| 19 | DISP | P8.33 | 9 |
| 20 | NC | - | - |
|||-|-____|
In order to use GPIO pins for LCD it is necessary to disable the HDMI Cape.
Instruction:
-
Open boot/uEnv.txt
-
To disable the HDMI Cape, change the contents of uEnv.txt to: Add line:
optargs=quiet drm.debug=7 capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
-
save boot/uEnv.txt
-
Reboot the board: shutdown -r now