From 7a4a3117d06e2f6cff4245d1d96d415a9c176f71 Mon Sep 17 00:00:00 2001
From: Eric Wild <ewild@sysmocom.de>
Date: Wed, 20 Nov 2019 19:43:54 +0100
Subject: [PATCH] fix irq endpoint handling

the irq endpoint only offers data if card insertions/removals happen,
which is rarely the case, so read timeouts are fine.

Change-Id: Ide7ffe14c94f56d0ed6f27e30e039905be32ad09
---
 src/CCID_Emulation.ttcn | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/CCID_Emulation.ttcn b/src/CCID_Emulation.ttcn
index 2f376af..1028c7e 100644
--- a/src/CCID_Emulation.ttcn
+++ b/src/CCID_Emulation.ttcn
@@ -119,6 +119,11 @@ function main() runs on CCID_Emulation_CT {
 		}
 */
 		}
+	[] USB.receive(tr_UsbXfer_compl(g_ep_irq, USB_TRANSFER_TYPE_INTERRUPT,
+					     USB_TRANSFER_TIMED_OUT, g_dev_hdl, ?)) -> value tc {
+		/* Submit another IRQ transfer */
+		f_usb_submit_xfer(g_ep_irq);
+		}
 	[] USB.receive(tr_UsbXfer_compl(?, ?, USB_TRANSFER_ERROR, g_dev_hdl, ?)) -> value tc {
 		setverdict(fail, "Unexpected USB_TRANSFER_ERROR on EP ", int2hex(tc.endpoint, 2));
 		mtc.stop;