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

Make AVR Examples/Chapter02_Programming-AVRs/blinkLED/blinkLED.c

@@ -0,0 +1,26 @@
+                                                       /* Blinker Demo */
+
+// ------- Preamble -------- //
+#include <avr/io.h>                        /* Defines pins, ports, etc */
+#include <util/delay.h>                     /* Functions to waste time */
+
+
+int main(void) {
+
+  // -------- Inits --------- //
+  DDRB |= 0b00000001;            /* Data Direction Register B:
+                                   writing a one to the bit
+                                   enables output. */
+
+  // ------ Event loop ------ //
+  while (1) {
+
+    PORTB = 0b00000001;          /* Turn on first LED bit/pin in PORTB */
+    _delay_ms(1000);                                           /* wait */
+
+    PORTB = 0b00000000;          /* Turn off all B pins, including LED */
+    _delay_ms(1000);                                           /* wait */
+
+  }                                                  /* End event loop */
+  return 0;                            /* This line is never reached */
+}