waveshareteam-e-Paper

History

Ryan Ziolko 4fb55dbb71 Performance improvements using the 5.65" 7 color E Ink display. 1. As many others have done, switch to using SPI writebytes2() to send pixel data in bulk. This makes a significant difference on a Raspberry Pi Zero W. 2. Use PIL (Pillow) to convert the image into the correct 4-bit color using a custom palette. This dramatically speeds up conversion of the image, with the benefit of allow any kind of input image. PIL will dither quantize/dither the colors as needed. 3. Minor formatting changes to add/remove whitespace	2021-03-09 15:19:43 -06:00
..
c	add 2.7 b V2	2021-02-22 16:02:55 +08:00
python	Performance improvements using the 5.65" 7 color E Ink display.	2021-03-09 15:19:43 -06:00

Ryan Ziolko 4fb55dbb71 Performance improvements using the 5.65" 7 color E Ink display.

1. As many others have done, switch to using SPI writebytes2() to send pixel data in bulk.  This makes a significant difference on a Raspberry Pi Zero W.
2. Use PIL (Pillow) to convert the image into the correct 4-bit color using a custom palette.  This dramatically speeds up conversion of the image, with the benefit of allow any kind of input image.  PIL will dither quantize/dither the colors as needed.
3. Minor formatting changes to add/remove whitespace

2021-03-09 15:19:43 -06:00

add 2.7 b V2

2021-02-22 16:02:55 +08:00

python

Performance improvements using the 5.65" 7 color E Ink display.

2021-03-09 15:19:43 -06:00