xt_usb: Clear flag before enabling interrupt

2018-03-02 02:29:46 +09:00 · 2018-03-02 02:29:46 +09:00 · 2b9d4ace5b
commit 2b9d4ace5b
parent 8a92f254e1
1 changed files with 2 additions and 0 deletions
--- a/converter/xt_usb/config.h
+++ b/converter/xt_usb/config.h
@ -71,7 +71,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
    EICRA |= ((1<<ISC11) |      \
              (0<<ISC10));      \
 } while (0)
+/* clears flag and enables interrupt */
 #define XT_INT_ON()  do {      \
+    EIFR  |= (1<<INTF1);        \
    EIMSK |= (1<<INT1);         \
 } while (0)
 #define XT_INT_OFF() do {      \