SPI (4 wire) driver for the SSD1327 OLED display.
Tested with the Waveshare 1.5 inch OLED.
Please note that it is a WORK IN PROGRESS, please file issues and send over PRs if you need anything that the crate doesn't cover yet.
Intro blog post: https://nitschinger.at/Writing-an-embedded-display-driver-in-Rust/