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-rw-r--r--digital/io/src/fsm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/digital/io/src/fsm.c b/digital/io/src/fsm.c
index c19dd458..95288e1a 100644
--- a/digital/io/src/fsm.c
+++ b/digital/io/src/fsm.c
@@ -25,6 +25,10 @@
#include "common.h"
#include "fsm.h"
+#ifdef HOST
+# include <stdio.h>
+#endif
+
/** Reset a FSM. */
void
fsm_init (fsm_t *fsm)
@@ -51,6 +55,9 @@ fsm_handle_event (fsm_t *fsm, u8 event)
#ifdef HOST
assert (((br >> 16) & 0xff) == fsm->state_current);
assert (((br >> 8) & 0xff) == event);
+ printf ("%s %s =%s=> %s\n", fsm->name,
+ fsm->states_names[fsm->state_current],
+ fsm->events_names[event], fsm->states_names[br & 0xff]);
fsm->state_current = br & 0xff;
#else
fsm->state_current = br;