From ecac181662fe4d2ad81390a145299d1c31ac9445 Mon Sep 17 00:00:00 2001 From: tzarc Date: Sun, 6 Dec 2020 06:17:33 +0000 Subject: [PATCH] =?UTF-8?q?Deploying=20to=20gh-pages=20from=20master=20@?= =?UTF-8?q?=20c59f87a5d73a2d8a2085663ae329c4d7c75c83e3=20=F0=9F=9A=80?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ws2812_driver.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/ws2812_driver.md b/ws2812_driver.md index c1b96329e9c..da5db01dbde 100644 --- a/ws2812_driver.md +++ b/ws2812_driver.md @@ -28,6 +28,17 @@ The default setting is 280 µs, which should work for most cases, but this can b #define WS2812_TRST_US 80 ``` +#### Byte Order + +Some variants of the WS2812 may have their color components in a different physical or logical order. For example, the WS2812B-2020 has physically swapped red and green LEDs, which causes the wrong color to be displayed, because the default order of the bytes sent over the wire is defined as GRB. +In this case, you can change the byte order by defining `WS2812_BYTE_ORDER` as one of the following values: + +| Byte order | Known devices | +|-----------------------------------|-------------------------------| +| `WS2812_BYTE_ORDER_GRB` (default) | Most WS2812's, SK6812, SK6805 | +| `WS2812_BYTE_ORDER_RGB` | WS2812B-2020 | + + ### Bitbang Default driver, the absence of configuration assumes this driver. To configure it, add this to your rules.mk: