-/*
- * Pin interrupt
- */
-#ifdef IBM4704_USE_INT
-#define IBM4704_INT_INIT() do { \
- EICRA |= ((1<<ISC11) | \
- (0<<ISC10)); \
-} while (0)
-#define IBM4704_INT_ON() do { \
- EIMSK |= (1<<INT1); \
-} while (0)
-#define IBM4704_INT_OFF() do { \
- EIMSK &= ~(1<<INT1); \
-} while (0)
+/* Pin interrupt on rising edge */
+#define IBM4704_INT_INIT() do { EICRA |= ((1<<ISC11)|(0<<ISC10)); } while (0)
+#define IBM4704_INT_ON() do { EIMSK |= (1<<INT1); } while (0)
+#define IBM4704_INT_OFF() do { EIMSK &= ~(1<<INT1); } while (0)