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Fix incorrect delay when setting WS2812 (and similar) leds (#9302)

* 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 <sigprof@gmail.com>

* Remove unneeded cast to uint8_t and correct math

Co-authored-by: Sergey Vlasov <sigprof@gmail.com>

* microseconds -> µs

Co-authored-by: Ryan <fauxpark@gmail.com>

* Make documentation better match the spec sheet.

Co-authored-by: Ryan <fauxpark@gmail.com>

* Rename macro to match spec sheet

* Further correction to the delay maths for the SPI case.

Co-authored-by: Joel Challis <git@zvecr.com>

* 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 <sigprof@gmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Joel Challis <git@zvecr.com>
This commit is contained in:
Joshua Diamond 2020-06-19 22:59:28 -04:00 committed by GitHub
parent c785148445
commit 18e561b82c
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 29 additions and 47 deletions

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@ -51,7 +51,7 @@
// The reset gap can be 6000 ns, but depending on the LED strip it may have to be increased
// to values like 600000 ns. If it is too small, the pixels will show nothing most of the time.
#define RES 10000 // Width of the low gap between bits to cause a frame to latch
#define RES (1000 * WS2812_TRST_US) // Width of the low gap between bits to cause a frame to latch
void sendByte(uint8_t byte) {
// WS2812 protocol wants most significant bits first