- /* Copyright 2017-2019 Mathias Andersson <wraul@dbox.se>
- *
- * 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/>.
- */
- #include "kmac.h"
-
- #define F_ROW_MASK 0b01
- #define WASD_MASK 0b10
-
- void backlight_init_ports(void) {
- setPinOutput(B1);
- setPinOutput(B2);
- setPinOutput(B3);
- setPinOutput(B4);
- setPinOutput(D7);
- }
-
- /* Backlight pin configuration
- * F-row: High PB1
- * W: Low PB4
- * A: Low PB2
- * S: Low PB3
- * D: Low PD7
- */
- void backlight_set(uint8_t level) {
- // F-row
- if (level & F_ROW_MASK) {
- writePinHigh(B1);
- } else {
- writePinLow(B1);
- }
-
- // WASD
- if (level & WASD_MASK) {
- writePinLow(B2);
- writePinLow(B3);
- writePinLow(B4);
- writePinLow(D7);
- } else {
- writePinHigh(B2);
- writePinHigh(B3);
- writePinHigh(B4);
- writePinHigh(D7);
- }
- }
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