qmk_firmware/keyboards/torn/torn.c

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/*
* Copyright 2020 Richard Titmuss <richard.titmuss@gmail.com>
*
* 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 "torn.h"
#include "i2c_master.h"
#include "mcp23018.h"
static uint8_t led_state[3] = {1, 1, 1};
void matrix_init_kb(void) {
// put your keyboard start-up code here
// runs once when the firmware starts up
i2c_init();
matrix_init_user();
}
void matrix_scan_kb(void) {
// put your looping keyboard code here
// runs every cycle (a lot)
if (mcp23018_reset_required()) {
msp23018_init();
secondary_encoder_init();
// torn_set_led(2, 1);
}
matrix_scan_user();
secondary_encoder_read();
}
void torn_set_led(uint8_t led, bool state) {
led_state[led] = !state;
// toggle leds by setting the pin direction
uint8_t iodir = 0b11111000 | led_state[0] << 2 | led_state[1] << 1 | led_state[2];
mcp23018_writeReg(IODIRB, &iodir, 1);
}