From f6244bbe59c46a176251125f07bca1b92daf4d6a Mon Sep 17 00:00:00 2001
From: "Andrew J. Kroll" <a@oo.ms>
Date: Sat, 24 May 2014 00:31:26 -0400
Subject: [PATCH] bugfix

---
 Usb.cpp                        | 6 +++---
 examples/hub_demo/hub_demo.ino | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Usb.cpp b/Usb.cpp
index d75149d8..ca81cf99 100644
--- a/Usb.cpp
+++ b/Usb.cpp
@@ -327,7 +327,7 @@ uint8_t USB::OutTransfer(EpInfo *pep, uint16_t nak_limit, uint16_t nbytes, uint8
                 regWr(rHIRQ, bmHXFRDNIRQ); //clear IRQ
                 rcode = (regRd(rHRSL) & 0x0f);
 
-                while(rcode && ((long)(millis() - timeout) >= 0L)) {
+                while(rcode && ((long)(millis() - timeout) < 0L)) {
                         switch(rcode) {
                                 case hrNAK:
                                         nak_count++;
@@ -380,11 +380,11 @@ uint8_t USB::dispatchPkt(uint8_t token, uint8_t ep, uint16_t nak_limit) {
         uint8_t retry_count = 0;
         uint16_t nak_count = 0;
 
-        while((long)(millis() - timeout) >= 0L) {
+        while((long)(millis() - timeout) < 0L) {
                 regWr(rHXFR, (token | ep)); //launch the transfer
                 rcode = USB_ERROR_TRANSFER_TIMEOUT;
 
-                while((long)(millis() - timeout) >= 0L) //wait for transfer completion
+                while((long)(millis() - timeout) < 0L) //wait for transfer completion
                 {
                         tmpdata = regRd(rHIRQ);
 
diff --git a/examples/hub_demo/hub_demo.ino b/examples/hub_demo/hub_demo.ino
index bede0f4b..329c6230 100644
--- a/examples/hub_demo/hub_demo.ino
+++ b/examples/hub_demo/hub_demo.ino
@@ -97,7 +97,7 @@ void loop()
 
   if( Usb.getUsbTaskState() == USB_STATE_RUNNING )
   {
-    if ((next_time - millis()) >= 0L)
+    if ((millis() - next_time) >= 0L)
     {
         Usb.ForEachUsbDevice(&PrintAllDescriptors);
         Usb.ForEachUsbDevice(&PrintAllAddresses);