Version 2.0.3:

[irmp.git] / main.c

diff --git a/main.c b/main.c
index 28bbe145d6c8f789fed1e35f7096abf9bef3a989..4e666daeba5091311162df6e2431dd358672f76d 100644 (file)
--- a/main.c
+++ b/main.c
@@ -3,7 +3,7 @@
  *\r
  * Copyright (c) 2009-2011 Frank Meyer - frank(at)fli4l.de\r
  *\r
- * $Id: main.c,v 1.11 2011/09/20 10:45:28 fm Exp $\r
+ * $Id: main.c,v 1.12 2012/02/13 10:59:07 fm Exp $\r
  *\r
  * ATMEGA88 @ 8 MHz\r
  *\r
@@ -33,8 +33,15 @@ void
 timer1_init (void)\r
 {\r
 #if defined (__AVR_ATtiny45__) || defined (__AVR_ATtiny85__)                // ATtiny45 / ATtiny85:\r
+\r
+#if F_CPU >= 16000000L\r
+    OCR1C   =  (F_CPU / F_INTERRUPTS / 8) - 1;                              // compare value: 1/15000 of CPU frequency, presc = 8\r
+    TCCR1   = (1 << CTC1) | (1 << CS12);                                    // switch CTC Mode on, set prescaler to 8\r
+#else\r
     OCR1C   =  (F_CPU / F_INTERRUPTS / 4) - 1;                              // compare value: 1/15000 of CPU frequency, presc = 4\r
     TCCR1   = (1 << CTC1) | (1 << CS11) | (1 << CS10);                      // switch CTC Mode on, set prescaler to 4\r
+#endif\r
+\r
 #else                                                                       // ATmegaXX:\r
     OCR1A   =  (F_CPU / F_INTERRUPTS) - 1;                                  // compare value: 1/15000 of CPU frequency\r
     TCCR1B  = (1 << WGM12) | (1 << CS10);                                   // switch CTC Mode on, set prescaler to 1\r