* User parameters for transferred file data. For the test, the default values are :
* File size: 10 pieces * 5 blocks/piece * 16384 bytes/block = 819200 bytes
*/
-#define FILE_PIECES 10
-#define PIECES_BLOCKS 5
+#define FILE_PIECES 10U
+#define PIECES_BLOCKS 5U
#define BLOCK_SIZE 16384
static const unsigned long int FILE_SIZE = FILE_PIECES * PIECES_BLOCKS * BLOCK_SIZE;