93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/*
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* light weight WS2812 lib V2.0b
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*
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* Controls WS2811/WS2812/WS2812B RGB-LEDs
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* Author: Tim (cpldcpu@gmail.com)
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*
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* Jan 18th, 2014 v2.0b Initial Version
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* Nov 29th, 2015 v2.3 Added SK6812RGBW support
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*
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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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#ifdef RGBLIGHT_ENABLE
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# include "ws2812.c"
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# include "ergodox_ez.h"
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extern rgblight_config_t rgblight_config;
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/*
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* Forward declare internal functions
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*
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* The functions take a byte-array and send to the data output as WS2812 bitstream.
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* The length is the number of bytes to send - three per LED.
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*/
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void ws2812_sendarray(uint8_t *array, uint16_t length);
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void ws2812_sendarray_mask(uint8_t *array, uint16_t length, uint8_t pinmask);
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void rgblight_set(void) {
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if (!rgblight_config.enable) {
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for (uint8_t i = 0; i < RGBLED_NUM; i++) {
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led[i].r = 0;
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led[i].g = 0;
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led[i].b = 0;
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#ifdef RGBW
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led[i].w = 0;
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#endif
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}
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}
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#ifdef RGBW
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else {
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for (uint8_t i = 0; i < RGBLED_NUM; i++) {
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convert_rgb_to_rgbw(&led[i]);
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}
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}
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#endif
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uint8_t led_num = RGBLED_NUM;
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i2c_init();
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i2c_start(0x84, ERGODOX_EZ_I2C_TIMEOUT);
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int i = 0;
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# if defined(ERGODOX_LED_30)
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// prevent right-half code from trying to bitbang all 30
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// so with 30 LEDs, we count from 29 to 15 here, and the
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// other half does 0 to 14.
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led_num = RGBLED_NUM / 2;
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for (i = led_num + led_num - 1; i >= led_num; --i)
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# elif defined(ERGODOX_LED_15_MIRROR)
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for (i = 0; i < led_num; ++i)
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# else // ERGDOX_LED_15 non-mirrored
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for (i = led_num - 1; i >= 0; --i)
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# endif
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{
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uint8_t *data = (uint8_t *)(led + i);
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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#ifdef RGBW
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i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
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#endif
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}
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i2c_stop();
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ws2812_setleds(led, RGBLED_NUM);
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}
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#endif // RGBLIGHT_ENABLE
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