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authorChristian Pointner <equinox@spreadspace.org>2015-02-24 23:23:30 +0100
committerChristian Pointner <equinox@spreadspace.org>2015-02-24 23:23:30 +0100
commit1193ef26a1f1431d4974a0235cd923786509bab1 (patch)
treeb2b6c74003a8531c746b33dbcf3a88715cca6534 /tuer-rfid/heartbeat.c
parentmoved tube-rotator to realraum github repo (diff)
moved tuer-rfid to realraum github repo
Diffstat (limited to 'tuer-rfid/heartbeat.c')
-rw-r--r--tuer-rfid/heartbeat.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/tuer-rfid/heartbeat.c b/tuer-rfid/heartbeat.c
deleted file mode 100644
index b656521..0000000
--- a/tuer-rfid/heartbeat.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * spreadspace avr utils
- *
- *
- * Copyright (C) 2013-2014 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/sfr_defs.h>
-#include <avr/interrupt.h>
-
-#include "led.h"
-#include "heartbeat.h"
-
-#define HEARTBEAT_DURATION 10 // *10 ms, duration of heartbeat pulse
-#define HEARTBEAT_DELAY 200 // *10 ms, 1/heartbeat-frequency
-uint8_t heartbeat_cnt = 0;
-uint8_t heartbeat_flag;
-
-#define FASTBEAT_PORT PORTD
-#define FASTBEAT_DDR DDRD
-#define FASTBEAT_BIT 5
-
-// while running this gets called every ~10ms
-ISR(TIMER0_COMPA_vect)
-{
- heartbeat_cnt++;
- if(heartbeat_cnt == HEARTBEAT_DURATION)
- heartbeat_flag = 0;
- else if(heartbeat_cnt >= HEARTBEAT_DELAY) {
- heartbeat_flag = 1;
- heartbeat_cnt = 0;
- }
-}
-
-void heartbeat_init(void)
-{
- led_off();
- heartbeat_cnt = 0;
- heartbeat_flag = 1;
-
- TCCR0A = 1<<WGM01; // OC0A and OC0B as normal output, WGM = 2 (CTC)
- TCCR0B = 1<<CS02 | 1<<CS00; // Prescaler 1:1024
- OCR0A = 155; // (1+155)*1024 = 159744 -> ~10 ms @ 16 MHz
- TCNT0 = 0;
- TIMSK0 = 1<<OCIE0A;
-
- FASTBEAT_DDR |= 1<<FASTBEAT_BIT;
-}
-
-void heartbeat_task(void)
-{
- FASTBEAT_PORT ^= 1<<FASTBEAT_BIT;
-
- if(heartbeat_flag)
- led_on();
- else
- led_off();
-}