Finished EEPROM reader/writer.

main.c

@@ -20,11 +20,21 @@ void prepare() {
 	serial_init(9600);
 	at28c256_init(2, 13, 4, 3, 5, 6, 7, 8, 9, 10, 11, 12);
 
-	at28c256_write(0x0000, 0x7B); // 123
-	at28c256_write(0x0001, 0x2A); // 42
+	serial_write("Writing data\n\r", 14);
+	at28c256_write(0, 0x7D);
+	at28c256_write(1, 0x12);
+	at28c256_write(2, 0x9F);
+	at28c256_write(3, 0x5A);
+
+	serial_write("Reading data\n\r", 14);
+	int i;
+	char out[20];
+
+	for(i = 0; i < 4; i++) {
+		unsigned char value = at28c256_read(i);
+		const int n = sprintf(out, "0x%x\n\r", value);
+		serial_write(out, n);
+	}
 }
 
-void loop() {
-	serial_write("Test\n\r", 6);
-	_delay_ms(1000);
-}
+void loop() {}