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library for creating dynamic layouts for frame-buffered devices

Project description

epdlib v0.6

EpdLib provides an interface for creating and displaying scalable layouts that work with most of WaveShare's EPaper displays (EPD). The Layout module can also be used for generating layouts for any screen-buffered display that does not require fast updates.

EpdLib provides classes for interfacing with the screen (Screen), building layouts that will work at any resolution (Layout), and blocks that are used to assemble layouts (Block). EpdLib makes it trivial to build a project that will work on almost any WaveShare display without worrying about the resolution or recoding the display functions.

3x2 Sample

5x5 Sample

EpdLib supports almost all of WaveShare's EPD screens. See the Supported Screens below.

  • 7-Color screens are supported in full color
  • HD Screens are supported in 8 bit gray and support partial refresh (~1 second)
  • All 2 and 3 color screens are supported in 1 bit (black and white) only

Changes

See the ChangeLog for details

v0.6

  • Add support for 8-Color WaveShare screens to Block, Screen and Layout
  • All Blocks and Layouts now support "RGB" content
  • Layouts and blocks can now be dynamically updated during runtime
  • Layout.layout dictionaries must contain key type that matches the block type
  • Layouts support HTML standard color names and map [RED, ORANGE, YELLOW, GREEN, BLUE, BLACK, WHITE] to proper WaveShare Values

Dependencies

Python Modules:

  • Pillow: System dependencies for Pillow:
    • libopenjp2-7
    • libtiff5
  • RPi.GPIO
  • spidev: ensure SPI is enabled on the pi
  • waveshare-epd (Non IT8951 based panels): see notes below for installation instructions
    • this is for interacting with waveshare epaper displays and is not strictly needed to use the Block and Layout objects.
  • IT8951 (IT8951 based panels): see notes below for installation instructions

Modules:

  • Block - image and text blocks that can be used to create a layout
  • Layout - create layouts from Blocks that will work on nearly any WaveShare screen automagically
  • Screen - simple interface for writing to WaveShare EPD devices

Supported Screens

Screen Supported Mode
00. epd13in3k True "1" 1 bit
01. epd1in02 True "1" 1 bit
02. epd1in54 True "1" 1 bit
03. epd1in54_V2 True "1" 1 bit
04. epd1in54b True "1" 1 bit
05. epd1in54b_V2 True "1" 1 bit
06. epd1in54c True "1" 1 bit
07. epd1in64g True "1" 1 bit
08. epd2in13 True "1" 1 bit
09. epd2in13_V2 True "1" 1 bit
10. epd2in13_V3 True "1" 1 bit
11. epd2in13_V4 True "1" 1 bit
12. epd2in13b_V3 True "1" 1 bit
13. epd2in13b_V4 True "1" 1 bit
14. epd2in13bc True "1" 1 bit
15. epd2in13d False Unsupported
16. epd2in13g True "1" 1 bit
17. epd2in36g True "1" 1 bit
18. epd2in66 True "1" 1 bit
19. epd2in66b True "1" 1 bit
20. epd2in66g True "1" 1 bit
21. epd2in7 True "1" 1 bit
22. epd2in7_V2 True "1" 1 bit
23. epd2in7b True "1" 1 bit
24. epd2in7b_V2 True "1" 1 bit
25. epd2in9 True "1" 1 bit
26. epd2in9_V2 True "1" 1 bit
27. epd2in9b_V3 True "1" 1 bit
28. epd2in9b_V4 True "1" 1 bit
29. epd2in9bc True "1" 1 bit
30. epd2in9d False Unsupported
31. epd3in0g True "1" 1 bit
32. epd3in52 True "1" 1 bit
33. epd3in7 False Unsupported
34. epd4in01f True "RGB" 7 Color
35. epd4in2 False Unsupported
36. epd4in26 True "1" 1 bit
37. epd4in2_V2 False Unsupported
38. epd4in2b_V2 True "1" 1 bit
39. epd4in2bc True "1" 1 bit
40. epd4in37g True "1" 1 bit
41. epd5in65f True "RGB" 7 Color
42. epd5in83 True "1" 1 bit
43. epd5in83_V2 True "1" 1 bit
44. epd5in83b_V2 True "1" 1 bit
45. epd5in83bc True "1" 1 bit
46. epd7in3f True "RGB" 7 Color
47. epd7in3g True "1" 1 bit
48. epd7in5 True "1" 1 bit
49. epd7in5_HD True "1" 1 bit
50. epd7in5_V2 True "1" 1 bit
51. epd7in5_V2_old True "1" 1 bit
52. epd7in5b_HD True "1" 1 bit
53. epd7in5b_V2 True "1" 1 bit
54. epd7in5bc True "1" 1 bit
55. All HD IT8951 True "L" 8 bit

Add your enthusiasm to standardize the epd1in02 screen to this Pull Request.

The epd3in7 is an oddball that has several issues:

  • 'Non-standard, unsupported EPD.Clear() function',
  • 'AttributeError: module does not support standard EPD.display() function

Notes

WaveShare non-IT8951 Screens

The waveshare-epd library is required for non-IT8951 screens and can be installed from the Git repo:

pip install -e "git+https://github.com/waveshare/e-Paper.git#egg=waveshare_epd&subdirectory=RaspberryPi_JetsonNano/python"

IT8951 basee Screens

Greg D Meyer's IT8951 library is required and can be installed from the Git repo:

pip install -e "git+https://github.com/GregDMeyer/IT8951#egg=IT8951"

getting ready for pypi: https://medium.com/@joel.barmettler/how-to-upload-your-python-package-to-pypi-65edc5fe9c56

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