Started following some tutorial on att85 usi. Downloaded example code from make avr book.

Make AVR Examples/Chapter09_Introduction-to-Timer-Counter-Hardware/reactionTimer/support.h

@@ -0,0 +1,24 @@
+
+  /* Support functions that otherwise make the main code more readable */
+
+                                                           /* Includes */
+#include <util/delay.h>
+#include <avr/io.h>
+#include "USART.h"
+
+                                   /* Function Prototypes in support.c */
+
+void printMilliseconds(uint16_t value);
+  /* Given a value in milliseconds, prints out how many seconds
+     you took over the serial port.  Does ascii conversion, prints
+     decimal point, and drops extra leading zeros.
+   */
+
+void printComments(uint16_t value);
+            /* Given a value in milliseconds, rates your reaction time */
+
+void randomDelay(void);
+                        /* Waits for a "random" delay from 1 - 3.5 sec */
+                           /* Requires timer 1 initialized and running */
+  /* It's not really random, but very hard to control
+     like coin-flipping. */