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qmk_firmware/keyboards/ergodox_ez/led_i2c.c

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C

/*
* light weight WS2812 lib V2.0b
*
* Controls WS2811/WS2812/WS2812B RGB-LEDs
* Author: Tim (cpldcpu@gmail.com)
*
* Jan 18th, 2014 v2.0b Initial Version
* Nov 29th, 2015 v2.3 Added SK6812RGBW support
*
* 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/>.
*/
#ifdef RGBLIGHT_ENABLE
# include "ergodox_ez.h"
extern rgblight_config_t rgblight_config;
void rgblight_call_driver(LED_TYPE *led, uint8_t led_num) {
i2c_init();
i2c_start(0x84, ERGODOX_EZ_I2C_TIMEOUT);
int i = 0;
# if defined(ERGODOX_LED_30)
// prevent right-half code from trying to bitbang all 30
// so with 30 LEDs, we count from 29 to 15 here, and the
// other half does 0 to 14.
uint8_t half_led_num = RGBLED_NUM / 2;
for (i = half_led_num + half_led_num - 1; i >= half_led_num; --i)
# elif defined(ERGODOX_LED_15_MIRROR)
for (i = 0; i < led_num; ++i)
# else // ERGDOX_LED_15 non-mirrored
for (i = led_num - 1; i >= 0; --i)
# endif
{
uint8_t *data = (uint8_t *)(led + i);
i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
#ifdef RGBW
i2c_write(*data++, ERGODOX_EZ_I2C_TIMEOUT);
#endif
}
i2c_stop();
ws2812_setleds(led, led_num);
}
#endif // RGBLIGHT_ENABLE