You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.4 KiB
56 lines
1.4 KiB
/* 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);
|
|
}
|
|
}
|