diff options
Diffstat (limited to 'drivers/led/apa102.h')
-rw-r--r-- | drivers/led/apa102.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/led/apa102.h b/drivers/led/apa102.h new file mode 100644 index 0000000000..58cf020c1e --- /dev/null +++ b/drivers/led/apa102.h @@ -0,0 +1,41 @@ +/* Copyright 2020 Aldehir Rojas + * Copyright 2017 Mikkel (Duckle29) + * + * 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 "color.h" + +#ifndef APA102_DEFAULT_BRIGHTNESS +# define APA102_DEFAULT_BRIGHTNESS 31 +#endif + +#define APA102_MAX_BRIGHTNESS 31 + +extern uint8_t apa102_led_brightness; + +/* User Interface + * + * Input: + * start_led: An array of GRB data describing the LED colors + * num_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 + */ +void apa102_setleds(LED_TYPE *start_led, uint16_t num_leds); +void apa102_set_brightness(uint8_t brightness); |