From 357bffe243e8cd482fc45eb173681561235db9e1 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Tue, 29 Oct 2013 16:05:19 +0900
Subject: [PATCH] INTERRUPT pipe implemented

---
 src/usb-icc.c  | 20 ++++++++++++++++----
 src/usb_desc.c |  2 +-
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/usb-icc.c b/src/usb-icc.c
index 58d061e..42c5a36 100644
--- a/src/usb-icc.c
+++ b/src/usb-icc.c
@@ -633,7 +633,6 @@ icc_prepare_receive (struct ccid *c)
 /*
  * Rx ready callback
  */
-
 void
 EP1_OUT_Callback (void)
 {
@@ -1297,9 +1296,17 @@ icc_handle_timeout (struct ccid *c)
   return next_state;
 }
 
-#define USB_ICC_TIMEOUT (1950*1000)
+/*
+ * Another Tx done callback
+ */
+void
+EP2_IN_Callback (void)
+{
+}
 
 
+#define USB_ICC_TIMEOUT (1950*1000)
+
 static struct ccid ccid;
 
 #define GPG_THREAD_TERMINATED 0xffff
@@ -1350,11 +1357,15 @@ ccid_thread (chopstx_t thd)
 	{
 	  if (card_change_requested)
 	    {
+	      uint8_t notify_slot_change[2] = { 0x50, 0x02 };
+
 	      led_blink (LED_TWOSHOTS);
 
 	      if (c->icc_state == ICC_STATE_NOCARD)
-		/* Inserted!  */
-		c->icc_state = ICC_STATE_START;
+		{		/* Inserted!  */
+		  c->icc_state = ICC_STATE_START;
+		  notify_slot_change[1] |= 1;
+		}
 	      else
 		{
 		  if (c->application)
@@ -1368,6 +1379,7 @@ ccid_thread (chopstx_t thd)
 		}
 
 	      card_change_requested = 0;
+	      usb_lld_write (ENDP2, notify_slot_change, 2);
 	    }
 	  else
 	    card_change_requested = 1;
diff --git a/src/usb_desc.c b/src/usb_desc.c
index e0d250b..f344c1f 100644
--- a/src/usb_desc.c
+++ b/src/usb_desc.c
@@ -203,7 +203,7 @@ static const uint8_t gnukConfigDescriptor[] = {
   0x82,				/* bEndpointAddress: (IN2) */
   0x03,				/* bmAttributes: Interrupt */
   4, 0x00,			/* wMaxPacketSize: */
-  0x20,				/* bInterval (32ms) */
+  0xFF,				/* bInterval (255ms) */
 
   /* Interface Descriptor */
   9,			         /* bLength: Interface Descriptor size */