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
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waveshare_epd	Performance improvements using the 5.65" 7 color E Ink display.	2021-03-09 15:19:43 -06:00