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authorNicolas Schodet2012-05-02 00:57:01 +0200
committerNicolas Schodet2012-05-02 00:57:01 +0200
commit184495fd994d74199a242773827d94de2f553eea (patch)
tree59682785efbfa7ee673f4ff6d778beca842686fa /digital/io-hub/src/guybrush
parent150a29f14d01af1f26a6d9e7f8d862850f3c3bb7 (diff)
digital/io-hub/src/guybrush: add diagnostic output
Diffstat (limited to 'digital/io-hub/src/guybrush')
-rw-r--r--digital/io-hub/src/guybrush/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/digital/io-hub/src/guybrush/main.c b/digital/io-hub/src/guybrush/main.c
index 63305103..187585e5 100644
--- a/digital/io-hub/src/guybrush/main.c
+++ b/digital/io-hub/src/guybrush/main.c
@@ -102,6 +102,10 @@ main_init (void)
/* Main timer */
timer_init ();
timer_wait ();
+ /* Send some debug aid in case of TWI synchronisation failure.
+ * If !Z is sent, but not !z, this means that a slave is missing or is not
+ * functioning. */
+ proto_send0 ('Z');
/* TWI communications */
asserv_init ();
mimot_init ();