From f7048dc8a930d5d1fbbc30a3caaa030a85564fdc Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Thu, 12 Mar 2015 16:32:01 +0100
Subject: [PATCH] Implemented usb_poll() within LF sim. This means the LF sim
 will be aborted whenever something comes over the USB

---
 armsrc/lfops.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 468f5830..16c42855 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -16,6 +16,7 @@
 #include "string.h"
 #include "lfdemod.h"
 #include "lfsampling.h"
+#include "usb_cdc.h"
 
 
 /**
@@ -401,7 +402,7 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
     for(;;) {
         //wait until SSC_CLK goes HIGH
         while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
-            if(BUTTON_PRESS()) {
+			if(BUTTON_PRESS() || usb_poll()) {
                 DbpString("Stopped");
                 return;
             }
-- 
2.39.2