1 files changed, 13 insertions, 0 deletions
diff --git a/util.c b/util.c
new file mode 100644
index 0000000..a23b6f6
--- /dev/null
+++ b/util.c
@@ -0,0 +1,13 @@
+#include "project.h"
+
+void
+setup_clocks (void)
+{
+#ifdef __AVR_ATtiny10__
+  CCP = 0xD8;                   // configuration change protection, write signature
+  CLKPSR = 0;                   // set cpu clock prescaler =1 (8Mhz) (attiny 4/5/9/10)
+#else
+  CLKPR = _BV (CLKPCE);
+  CLKPR = 1;                    // set clock prescaler to 1 (attiny 25/45/85/24/44/84/13/13A)
+#endif
+}