1 files changed, 6 insertions, 0 deletions
diff --git a/spaghetti-monster/fsm-main.c b/spaghetti-monster/fsm-main.c
index bc41cd6..5efcd4c 100644
--- a/spaghetti-monster/fsm-main.c
+++ b/spaghetti-monster/fsm-main.c
@@ -40,6 +40,12 @@ int main() {
     // Don't allow interrupts while booting
     cli();
 
+    #ifdef HALFSPEED
+    // run at half speed
+    CLKPR = 1<<CLKPCE;
+    CLKPR = 1;
+    #endif
+
     // configure PWM channels
     #if PWM_CHANNELS >= 1
     DDRB |= (1 << PWM1_PIN);