From 18e561b82cdb71bed0162b3ce4083a2d269e5336 Mon Sep 17 00:00:00 2001 From: Joshua Diamond Date: Fri, 19 Jun 2020 22:59:28 -0400 Subject: Fix incorrect delay when setting WS2812 (and similar) leds (#9302) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Fix incorrect delay when setting WS2812 (and similar) leds * Add documentation for WS2812_DELAY_MICROSECONDS * Remove improper cast to uint8_t Co-authored-by: Sergey Vlasov * Remove unneeded cast to uint8_t and correct math Co-authored-by: Sergey Vlasov * microseconds -> µs Co-authored-by: Ryan * Make documentation better match the spec sheet. Co-authored-by: Ryan * Rename macro to match spec sheet * Further correction to the delay maths for the SPI case. Co-authored-by: Joel Challis * Move ws2812_common.h to the drivers directory * Revert "Further correction to the delay maths for the SPI case." This reverts commit e61b56a2cfc7dfec9992a7a3af92afa50e5b8ec0. * Remove ws2812_setleds_pin(); consolidate ws2812.h Co-authored-by: Sergey Vlasov Co-authored-by: Ryan Co-authored-by: Joel Challis --- docs/ws2812_driver.md | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'docs/ws2812_driver.md') diff --git a/docs/ws2812_driver.md b/docs/ws2812_driver.md index fe5f88585a..941e1bde08 100644 --- a/docs/ws2812_driver.md +++ b/docs/ws2812_driver.md @@ -19,6 +19,15 @@ These LEDs are called "addressable" because instead of using a wire per color, e ## Driver configuration +### All drivers + +Different versions of the addressable LEDs have differing requirements for the TRST period between frames. +The default setting is 280 µs, which should work for most cases, but this can be overridden in your config.h. e.g.: + +```c +#define WS2812_TRST_US 80 +``` + ### Bitbang Default driver, the absence of configuration assumes this driver. To configure it, add this to your rules.mk: -- cgit v1.2.3