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diff --git a/keyboards/kmac/kmac.c b/keyboards/kmac/kmac.c
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+/* Copyright 2017 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"
+
+void matrix_init_kb(void) {
+ // put your keyboard start-up code here
+ // runs once when the firmware starts up
+ led_init_ports();
+ matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+ // put your looping keyboard code here
+ // runs every cycle (a lot)
+
+ matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+ // put your per-action keyboard code here
+ // runs for every action, just before processing by the firmware
+
+ return process_record_user(keycode, record);
+}
+
+void led_init_ports(void) {
+ DDRB |= (1<<0); // OUT
+ DDRE |= (1<<6); // OUT
+}
+
+/* LED pin configuration
+ * Scroll Lock: Low PE6
+ * Caps Lock: Low PB0
+ */
+void led_set_kb(uint8_t usb_led) {
+ if (usb_led & (1<<USB_LED_CAPS_LOCK))
+ {
+ PORTB &= ~(1<<0); // LO
+ }
+ else
+ {
+ PORTB |= (1<<0); // HI
+ }
+
+ if (usb_led & (1<<USB_LED_SCROLL_LOCK))
+ {
+ PORTE &= ~(1<<6); // LO
+ }
+ else
+ {
+ PORTE |= (1<<6); // HI
+ }
+
+ led_set_user(usb_led);
+}
+
+void backlight_init_ports(void) {
+ DDRB |= (1<<1) | (1<<2) | (1<<3) | (1<<4); // OUT
+ DDRD |= (1<<7); // OUT
+}
+
+/* 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 & (1<<0))
+ {
+ PORTB |= (1<<1); // HI
+ }
+ else
+ {
+ PORTB &= ~(1<<1); // LO
+ }
+
+ // WASD
+ if(level & (1<<1))
+ {
+ PORTB &= ~(1<<4); // LO
+ PORTB &= ~(1<<2); // LO
+ PORTB &= ~(1<<3); // LO
+ PORTD &= ~(1<<7); // LO
+ }
+ else
+ {
+ PORTB |= (1<<4); // HI
+ PORTB |= (1<<2); // HI
+ PORTB |= (1<<3); // HI
+ PORTD |= (1<<7); // HI
+ }
+}