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Diffstat (limited to 'drivers/avr/ws2812.h')
-rw-r--r-- | drivers/avr/ws2812.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/avr/ws2812.h b/drivers/avr/ws2812.h new file mode 100644 index 0000000000..f7e0c31440 --- /dev/null +++ b/drivers/avr/ws2812.h @@ -0,0 +1,75 @@ +/* + * light weight WS2812 lib include + * + * Version 2.3 - Nev 29th 2015 + * Author: Tim (cpldcpu@gmail.com) + * + * Please do not change this file! All configuration is handled in "ws2812_config.h" + * + * 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/>. + */ + +#ifndef LIGHT_WS2812_H_ +#define LIGHT_WS2812_H_ + +#include <avr/io.h> +#include <avr/interrupt.h> +//#include "ws2812_config.h" +//#include "i2cmaster.h" + +#include "rgblight_types.h" + + +/* User Interface + * + * Input: + * ledarray: An array of GRB data describing the LED colors + * number_of_leds: The number of LEDs to write + * pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0) + * + * The functions will perform the following actions: + * - Set the data-out pin as output + * - Send out the LED data + * - Wait 50�s to reset the LEDs + */ + +void ws2812_setleds (LED_TYPE *ledarray, uint16_t number_of_leds); +void ws2812_setleds_pin (LED_TYPE *ledarray, uint16_t number_of_leds,uint8_t pinmask); +void ws2812_setleds_rgbw(LED_TYPE *ledarray, uint16_t number_of_leds); + +/* + * Old interface / Internal functions + * + * The functions take a byte-array and send to the data output as WS2812 bitstream. + * The length is the number of bytes to send - three per LED. + */ + +void ws2812_sendarray (uint8_t *array,uint16_t length); +void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask); + + +/* + * Internal defines + */ +#ifndef CONCAT +#define CONCAT(a, b) a ## b +#endif +#ifndef CONCAT_EXP +#define CONCAT_EXP(a, b) CONCAT(a, b) +#endif + +// #define ws2812_PORTREG CONCAT_EXP(PORT,ws2812_port) +// #define ws2812_DDRREG CONCAT_EXP(DDR,ws2812_port) + +#endif /* LIGHT_WS2812_H_ */ |