Fixed the corner case of a button release when the previous state was already released.

1 files changed, 1 insertions, 1 deletions

diff --git a/spaghetti-monster/fsm-events.c b/spaghetti-monster/fsm-events.c
index b36c9f4..72216ae 100644
--- a/spaghetti-monster/fsm-events.c
+++ b/spaghetti-monster/fsm-events.c
@@ -50,7 +50,7 @@ uint8_t push_event(uint8_t ev_type) {
     // handle button releases
     else if (ev_type == B_RELEASE) {
         // clear the press flag
-        current_event ^= B_PRESS;
+        current_event &= (~B_PRESS);
         // if a "hold" event just ended, set the timeout flag
         // to indicate that the event is done and can be cleared
         if (current_event & B_HOLD) { current_event |= B_TIMEOUT; }