2 Copyright 2018 Cole Markham
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #ifdef BACKLIGHT_ENABLE
22 #pragma error "BACKLIGHT_PIN must stay undefined otherwise software pwm is incorrectly used"
25 #define BACKLIGHT_PIN_COUNT 5
26 static const pin_t backlight_pins[BACKLIGHT_PIN_COUNT] = { C2, C7, D5, D6, B0 };
28 void backlight_init_ports(void) {
29 for (uint8_t index = 0; index < BACKLIGHT_PIN_COUNT; index++) {
30 setPinOutput(backlight_pins[index]);
34 void backlight_set_value(uint8_t index, uint8_t level) {
35 writePin(backlight_pins[index], !!level);
38 void backlight_set(uint8_t level) {
39 for (uint8_t index = 0; index < BACKLIGHT_PIN_COUNT; index++) {
40 backlight_set_value(index, level);
44 #endif //BACKLIGHT_ENABLE