suspect-devices/circuitpython/shared-bindings/displayio/FourWire.h, branch 6.0.x CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=6.0.x 2020-03-25T18:22:46+00:00 Add polarity and phase to FourWire. 2020-03-25T18:22:46+00:00 Scott Shawcroft scott@tannewt.org 2020-03-25T18:22:46+00:00 urn:sha1:6b7acc65b655dd203b08b2d53f08ad56c7da1041 It was fixed as 0/0 even though it used to get it from the current SPI state. This makes it more explicit with kwargs. Thanks to magpie_lark and kmatocha on the Adafruit Support forum for finding the issue: https://forums.adafruit.com/viewtopic.php?f=60&t=162515 Rework based on Dan's review 2019-08-23T22:27:21+00:00 Scott Shawcroft scott@tannewt.org 2019-08-23T22:27:21+00:00 urn:sha1:7324b70a7c231a20be971ed81050c8359b87aaab Add reset() to display busses to detect whether it works 2019-08-22T21:23:33+00:00 Scott Shawcroft scott@tannewt.org 2019-08-21T18:49:49+00:00 urn:sha1:3a98de12368a63de1538f61da7690e9fa230b540 EPaper displays work mostly. 2019-08-22T21:08:33+00:00 Scott Shawcroft scott@tannewt.org 2019-08-02T23:17:38+00:00 urn:sha1:70680d5b22aa6cb797ccf26645d553a4c72b5100 Add baudrate to FourWire and shorten delay. 2019-06-18T00:48:05+00:00 Scott Shawcroft scott@tannewt.org 2019-06-18T00:48:05+00:00 urn:sha1:4013bcde9eeab3dd2f8fd15a156c32f866a637b9 Reorganize board busses into shared-bindings and shared-module. 2019-04-08T23:58:50+00:00 Scott Shawcroft scott@tannewt.org 2019-04-08T23:58:50+00:00 urn:sha1:0f003ac5b8312fafb120e86e05eefd2431014d8c share fourwire and make nrf compile 2019-01-17T23:15:59+00:00 Scott Shawcroft scott@tannewt.org 2019-01-17T23:15:59+00:00 urn:sha1:760bd8d8a4f0aa0ed8651e89596fb2e6effbc14f External fourwire works and blinka splash after 2019-01-17T08:20:16+00:00 Scott Shawcroft scott@tannewt.org 2019-01-17T08:20:16+00:00 urn:sha1:84292ad89070f1994ed09b59c8a693216a40cd89 Rework displays in prep for dynamic support and 8bit parallel. 2019-01-16T20:05:20+00:00 Scott Shawcroft scott@tannewt.org 2019-01-16T20:04:42+00:00 urn:sha1:05d8885a1ab959fabdbb77f99408b2e7dc78b97c Introduce displayio to render graphics to displays. 2018-08-31T19:31:52+00:00 Scott Shawcroft scott@tannewt.org 2018-08-15T18:01:01+00:00 urn:sha1:6697544cdf87d0df5b761d401ad6ffe3a8d752fc It's designed to minimize RAM footprint by using Sprites to represent objects on the screen. The object model also facilitates partial screen updating which reduces the bandwidth needed to display. This is all handled in C. Python simply manipulates the objects with the ability to synchronize to frame timing.