add a note for D=64 pecularities
Change-Id: Icf2845e0f07f2d23f5090d35b6d8d145ad65a2f8
diff --git a/ccid_common/ccid_slot_fsm.c b/ccid_common/ccid_slot_fsm.c
index 9be31d6..d7740fe 100644
--- a/ccid_common/ccid_slot_fsm.c
+++ b/ccid_common/ccid_slot_fsm.c
@@ -287,6 +287,14 @@
ss->seq = seq;
+ /* FIXME:
+ When using D=64, the interface device shall ensure a delay
+ of at least 16 etu between the leading edge of the last
+ received character and the leading edge of the character transmitted
+ for initiating a command.
+ -> we can't really do 4 stop bits?!
+ */
+
/* Hardware does not support SPU, so no PPS2, and PPS3 is reserved anyway */
tpdu = msgb_alloc(6, "PPSRQ");
OSMO_ASSERT(tpdu);