add some volatility to debug missing state changes

Change-Id: I2e12e32ad27b03d73ba3533903c34abc2fcce37a

1 files changed, 1 insertions, 1 deletions

diff --git a/sysmoOCTSIM/main.c b/sysmoOCTSIM/main.c
index 54616af..02b7b09 100644
--- a/sysmoOCTSIM/main.c
+++ b/sysmoOCTSIM/main.c
@@ -101,7 +101,7 @@ struct ccid_state {
 	/* bit-mask of card-insert status, as determined from NCN8025 IRQ output */
 	uint8_t card_insert_mask;
 };
-static struct ccid_state g_ccid_s;
+static volatile struct ccid_state g_ccid_s;
 
 static void ccid_out_read_compl(const uint8_t ep, enum usb_xfer_code code, uint32_t transferred);
 static void ccid_in_write_compl(const uint8_t ep, enum usb_xfer_code code, uint32_t transferred);