Reduce CPU frequency

Also reduces PWM frequency. The speakers resonance frequency is 2kHz, with 1MHz
clock speed and prescaler 256 we get pretty close.

1 files changed, 1 insertions, 1 deletions

diff --git a/common.h b/common.h
index 42737eb..5730f47 100644
--- a/common.h
+++ b/common.h
@@ -2,7 +2,7 @@
 #define COMMON_H
 
 /* cpu runs at n mhz */
-#define F_CPU 8000000
+#define F_CPU 1000000
 
 #define sleepwhile(cond) \
 	sleep_enable (); \