18e561b82c
* 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>
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "quantum/color.h"
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/*
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* Older WS2812s can handle a reset time (TRST) of 50us, but recent
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* component revisions require a minimum of 280us.
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*/
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#if !defined(WS2812_TRST_US)
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#define WS2812_TRST_US 280
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#endif
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/* User Interface
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*
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* Input:
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* ledarray: An array of GRB data describing the LED colors
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* number_of_leds: The number of LEDs to write
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*
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* The functions will perform the following actions:
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* - Set the data-out pin as output
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* - Send out the LED data
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* - Wait 50us to reset the LEDs
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*/
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void ws2812_setleds(LED_TYPE *ledarray, uint16_t number_of_leds);
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