delete more stuff

[fnordlicht-mini] / firmware / fnordlicht-controller / timer.c

diff --git a/firmware/fnordlicht-controller/timer.c b/firmware/fnordlicht-controller/timer.c
deleted file mode 100644 (file)
index 8bd5263..0000000
--- a/firmware/fnordlicht-controller/timer.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * unzap firmware
- *
- * (c) by Alexander Neumann <alexander@lochraster.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * For more information on the GPL, please go to:
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-#include <stdint.h>
-#include <avr/interrupt.h>
-#include "../common/io.h"
-#include "timer.h"
-
-static volatile uint8_t internal_counter;
-
-void timer_init(void)
-{
-#if defined(__AVR_ATmega8__)
-    /* initialize timer2, CTC at 10ms, prescaler 1024 */
-    OCR2 = F_CPU/1024/100;
-    TCCR2 = _BV(WGM21) | _BV(CS22) | _BV(CS21) | _BV(CS20);
-    TIMSK |= _BV(OCIE2);
-#elif defined(__AVR_ATmega48__) || defined(__AVR_ATmega88__) || defined(__AVR_ATmega168__)
-    /* initialize timer2, CTC at 10ms, prescaler 1024 */
-    OCR2A = F_CPU/1024/100;
-    TCCR2A = _BV(WGM21);
-    TCCR2B = _BV(CS22) | _BV(CS21) | _BV(CS20);
-    TIMSK2 = _BV(OCIE2A);
-#else
-#error "unknown controller, unable to initialize timer2"
-#endif
-}
-
-void timer_set(timer_t *t, uint8_t timeout)
-{
-    t->current = internal_counter;
-    t->timeout = timeout;
-}
-
-bool timer_expired(timer_t *t)
-{
-    if (t->timeout == 0)
-        return true;
-
-    /* attention: this is not correct, if internal_counter is incremented by more than one
-     * between two calls of timer_expired()! */
-    if (t->current != internal_counter) {
-        t->timeout--;
-        t->current = internal_counter;
-    }
-
-    return false;
-}
-
-/* timer interrupt function */
-#if defined(__AVR_ATmega8__)
-ISR(TIMER2_COMP_vect, ISR_NOBLOCK) {
-    internal_counter++;
-}
-#elif defined(__AVR_ATmega48__) || defined(__AVR_ATmega88__) || defined(__AVR_ATmega168__)
-ISR(TIMER2_COMPA_vect, ISR_NOBLOCK) {
-    internal_counter++;
-}
-#endif