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

Make AVR Examples/Chapter18_Using-Flash-Program-Memory/progmemDemo4/progmemDemo4.c

@@ -0,0 +1,36 @@
+                              /* Fourth step into using program memory */
+                           /* Passing data array pointers to functions */
+
+#include <avr/io.h>
+#include <util/delay.h>
+#include <avr/pgmspace.h>
+#include "USART.h"
+
+const uint16_t myData[] PROGMEM =
+    { 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999, 10000 };
+const uint16_t myData2[] PROGMEM = { 123, 456, 789, 012, 345, 678, 999 };
+
+void printData_Progmem(const uint16_t * dataPointer, uint8_t length) {
+  while (length) {
+    printWord((uint16_t) dataPointer);            /* print out address */
+    printString(":  ");
+    printWord(pgm_read_word(dataPointer));           /* print out data */
+    printString("\r\n");
+    dataPointer++;                                /* move to next byte */
+    length--;                                   /* one less byte to go */
+    _delay_ms(100);
+  }
+}
+
+int main(void) {
+  initUSART();
+  while (1) {
+    printData_Progmem(myData, sizeof(myData) / 2);
+    printString("\r\n");
+    _delay_ms(1000);
+    printData_Progmem(myData2, sizeof(myData2) / sizeof(myData2[0]));
+    printString("\r\n");
+    _delay_ms(1000);
+  }                                                  /* End event loop */
+  return 0;                            /* This line is never reached */
+}