simtrace2-cardem-pcsc: Reset the real card if reader resets cardem
When the cardem detects a reset from the phone/modem, pass this on
to the actual card via the PC/SC reader. This is important to
reset the card state whenever requested by the stack/driver on the
phone/modem.
Change-Id: I7056476c5f81e8aa8f550afb86bf2380d1497ebb
Depends: libosmocore 20199da02d37a6d284915a27ec12641e79b8781c
diff --git a/host/src/simtrace2-cardem-pcsc.c b/host/src/simtrace2-cardem-pcsc.c
index 532c5ba..af34d3f 100644
--- a/host/src/simtrace2-cardem-pcsc.c
+++ b/host/src/simtrace2-cardem-pcsc.c
@@ -74,6 +74,27 @@
flags & CEMU_STATUS_F_RCEMU_ACTIVE ? "RCEMU " : "");
}
+static uint32_t last_flags = 0;
+
+static void update_flags(struct osmo_st2_cardem_inst *ci, uint32_t flags)
+{
+ struct osim_card_hdl *card = ci->chan->card;
+
+ if ((flags & CEMU_STATUS_F_VCC_PRESENT) && (flags & CEMU_STATUS_F_CLK_ACTIVE) &&
+ !(flags & CEMU_STATUS_F_RESET_ACTIVE)) {
+ if (last_flags & CEMU_STATUS_F_RESET_ACTIVE) {
+ /* a reset has just ended, forward it to the real card */
+ bool cold_reset = true;
+ if (last_flags & CEMU_STATUS_F_VCC_PRESENT)
+ cold_reset = false;
+ LOGCI(ci, LOGL_NOTICE, "%s Resetting card in reader...\n",
+ cold_reset ? "Cold" : "Warm");
+ osim_card_reset(card, cold_reset);
+ }
+ }
+ last_flags = flags;
+}
+
/***********************************************************************
* Incoming Messages
***********************************************************************/
@@ -89,6 +110,8 @@
status->flags, status->fi, status->di, status->wi,
status->waiting_time, fbuf);
+ update_flags(ci, status->flags);
+
return 0;
}
@@ -195,6 +218,8 @@
status->flags, status->fi, status->di, status->wi,
status->waiting_time, fbuf);
+ update_flags(ci, status->flags);
+
return 0;
}