From bc9e93ad20f936c67d6acddb02d426783c32398e Mon Sep 17 00:00:00 2001
From: root <root@lamia.panaceas.james.local>
Date: Sat, 13 Jun 2015 12:18:52 +0100
Subject: add usb resume support

---
 app/kvm.c | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

(limited to 'app/kvm.c')

diff --git a/app/kvm.c b/app/kvm.c
index ab27bb7..a4c3024 100644
--- a/app/kvm.c
+++ b/app/kvm.c
@@ -26,13 +26,21 @@ kvm_dispatch (void)
      addr, endpoint, len, buf[0], buf[1], buf[2], buf[3]);
 #endif
 
-  if (len) {
-    if (endpoint==0x81)
-	led_set(GPIO8);
-    else 
-	led_set(GPIO9);
-    usbd_ep_write_packet (usbd_dev, endpoint, buf, len);
-  }
+  if (len)
+    {
+      if (endpoint == 0x81)
+        {
+          usb_wakeup_host ();
+          led_set (GPIO8);
+        }
+      else
+        {
+          led_set (GPIO9);
+        }
+
+      if (!usb_is_suspended)
+        usbd_ep_write_packet (usbd_dev, endpoint, buf, len);
+    }
 }
 
 void
@@ -89,12 +97,12 @@ kvm_recv (uint8_t d)
       buf[ptr++] = d;
       if (ptr >= len)
         {
-          if (addr==BUS_ID)
+          if (addr == BUS_ID)
             kvm_dispatch ();
           state = STATE_SYNC;
         }
       break;
     default:
-	break;
+      break;
     }
 }
-- 
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