diff options
Diffstat (limited to 'usb-i2c-sl018/manual.c')
-rw-r--r-- | usb-i2c-sl018/manual.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/usb-i2c-sl018/manual.c b/usb-i2c-sl018/manual.c new file mode 100644 index 0000000..3333a80 --- /dev/null +++ b/usb-i2c-sl018/manual.c @@ -0,0 +1,47 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2013 Christian Pointner <equinox@spreadspace.org> + * Othmar Gsenger <otti@wirdorange.org> + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils 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 3 of the License, or + * any later version. + * + * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <avr/io.h> +#include "manual.h" +#include "eventqueue.h" + +#define MANUAL_PIN PINF +#define MANUAL_PORT PORTF +#define MANUAL_DDR DDRF +#define MANUAL_BIT 0 + +void init_manual(void) +{ + MANUAL_DDR = MANUAL_DDR & ~(1<<MANUAL_BIT); + MANUAL_PORT |= (1<<MANUAL_BIT); +} + +void manual_task(void) +{ + static uint8_t last_state = 0; + uint8_t state = MANUAL_PIN & (1<<MANUAL_BIT); + if(state && state != last_state) + eventqueue_push(btn_toggle); + + last_state = state; +} |