diff options
Diffstat (limited to 'drivers/ws2812.h')
-rw-r--r-- | drivers/ws2812.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/ws2812.h b/drivers/ws2812.h new file mode 100644 index 000000000..370b14f3e --- /dev/null +++ b/drivers/ws2812.h @@ -0,0 +1,40 @@ +/* + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#pragma once + +#include "quantum/color.h" + +/* + * Older WS2812s can handle a reset time (TRST) of 50us, but recent + * component revisions require a minimum of 280us. + */ + +#if !defined(WS2812_TRST_US) +#define WS2812_TRST_US 280 +#endif + +/* User Interface + * + * Input: + * ledarray: An array of GRB data describing the LED colors + * number_of_leds: The number of LEDs to write + * + * The functions will perform the following actions: + * - Set the data-out pin as output + * - Send out the LED data + * - Wait 50us to reset the LEDs + */ +void ws2812_setleds(LED_TYPE *ledarray, uint16_t number_of_leds); |