1 /* Copyright 2018 James Laird-Wah
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include <i2c_master.h>
18 #include <led_tables.h>
21 #define I2C_TIMEOUT 1000
23 #define LINCOR(i) pgm_read_byte(&CIE1931_CURVE[i])
25 int set_all_leds_to_raw(uint8_t r, uint8_t g, uint8_t b) {
27 TWI_CMD_LED_SET_ALL_TO,
31 ret |= i2c_transmit(I2C_ADDR(LEFT), buf, sizeof(buf), I2C_TIMEOUT);
32 ret |= i2c_transmit(I2C_ADDR(RIGHT), buf, sizeof(buf), I2C_TIMEOUT);
37 int set_all_leds_to(uint8_t r, uint8_t g, uint8_t b) {
38 return set_all_leds_to_raw(LINCOR(r), LINCOR(g), LINCOR(b));
41 int set_led_to_raw(uint8_t led, uint8_t r, uint8_t g, uint8_t b) {
43 TWI_CMD_LED_SET_ONE_TO,
47 int hand = (led >= 32) ? RIGHT : LEFT;
48 int ret = i2c_transmit(I2C_ADDR(hand), buf, sizeof(buf), I2C_TIMEOUT);
53 int set_led_to(uint8_t led, uint8_t r, uint8_t g, uint8_t b) {
54 return set_led_to_raw(led, LINCOR(r), LINCOR(g), LINCOR(b));
57 /* vim: set ts=2 sw=2 et: */