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/* 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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