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qmk_firmware/keyboards/ergodox_ez/led_i2c.c
David Hoelscher e9bd7d7ad3
I2C driver cleanup (#21273)
* remove i2c_start and i2c_stop from i2c drivers

* remove static i2c_address variable from chibios i2c driver
2024-01-17 14:05:38 +01:00

71 lines
2.2 KiB
C

/*
Copyright 2012 Jun Wako <wakojun@gmail.com>
Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
Copyright 2015 ZSA Technology Labs Inc (@zsa)
Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
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"
# include "ws2812.h"
void setleds_custom(rgb_led_t *led, uint16_t led_num) {
uint16_t length = 0;
int i = 0;
int j = 0;
# ifdef RGBW
int bytes_per_led = 4;
# else
int bytes_per_led = 3;
# endif
# 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 = RGBLIGHT_LED_COUNT / 2;
length = half_led_num * bytes_per_led;
uint8_t data[length];
for (i = half_led_num + half_led_num - 1; i >= half_led_num; --i)
# elif defined(ERGODOX_LED_15_MIRROR)
length = led_num * bytes_per_led;
uint8_t data[length];
for (i = 0; i < led_num; ++i)
# else // ERGDOX_LED_15 non-mirrored
length = led_num * bytes_per_led;
uint8_t data[length];
for (i = led_num - 1; i >= 0; --i)
# endif
{
uint8_t *data_byte = (uint8_t *)(led + i);
data[j++] = data_byte[0];
data[j++] = data_byte[1];
data[j++] = data_byte[2];
#ifdef RGBW
data[j++] = data_byte[3];
#endif
}
i2c_transmit(0x84, data, sizeof(data), ERGODOX_EZ_I2C_TIMEOUT);
ws2812_setleds(led, led_num);
}
const rgblight_driver_t rgblight_driver = {
.setleds = setleds_custom,
};
#endif // RGBLIGHT_ENABLE