added debug to timer0

[svn42.git] / firmware / tuer.pde

diff --git a/firmware/tuer.pde b/firmware/tuer.pde
index c0c4bf1..c949297 100644 (file)
--- a/firmware/tuer.pde
+++ b/firmware/tuer.pde
@@ -109,7 +109,7 @@ void start_debounce_timer()  // this breaks millis() function, but who cares
   debounce_cnt = DEBOUNCE_DELAY;
 
   TCCR0A = 0;         // no prescaler, WGM = 0 (normal)
-  TCCR0B = 1<<WGM01;  // 
+  TCCR0B = 1<<CS00;   // 
   OCR0A = 255;        // 1+255 = 256 -> 16us @ 16 MHz
   TCNT0 = 0;          // reseting timer
   TIMSK0 = 1<<OCF0A;  // enable Interrupt
@@ -132,6 +132,11 @@ ISR(TIMER0_COMPA_vect)
       return;
     }
     debounce_state |= DEBOUNCE_FINISHED;
+
+    if(digitalRead(HEARTBEAT_PIN))
+      digitalWrite(HEARTBEAT_PIN, LOW);
+    else
+      digitalWrite(HEARTBEAT_PIN, HIGH);
   }
   debounce_cnt = DEBOUNCE_DELAY;
 }
@@ -413,11 +418,13 @@ void init_heartbeat()
   pinMode(HEARTBEAT_PIN, OUTPUT);
   reset_heartbeat();
   // timer 2: ~10 ms, timebase for heartbeat signal
+/*
   TCCR2A = 1<<WGM21;                    // prescaler 1:1024, WGM = 2 (CTC)
   TCCR2B = 1<<CS22 | 1<<CS21 | 1<<CS20; // 
   OCR2A = 155;        // (1+155)*1024 = 159744 -> ~10 ms @ 16 MHz
   TCNT2 = 0;          // reseting timer
   TIMSK2 = 1<<OCIE2A; // enable Interrupt
+*/
   heartbeat_on();
 }