From 50722269b6e7b1ce8601ee2fc8d30100e5639d34 Mon Sep 17 00:00:00 2001
From: skamkar <skamkar@ef4ab9da-24cd-11de-8aaa-f3a34680c41f>
Date: Sat, 8 Aug 2009 07:42:51 +0000
Subject: [PATCH] detect usb or no usb for standalone mode [ryan]

---
 armsrc/appmain.c    | 13 ++++++-------
 common/usb.c        |  8 ++++++++
 include/proxmark3.h |  1 +
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 74448fe5..33df93c4 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -13,7 +13,6 @@
 #include "LCD.h"
 #endif
 
-int usbattached = 0;
 
 //=============================================================================
 // A buffer where we can queue things up to be sent through the FPGA, for
@@ -64,8 +63,8 @@ void ToSendStuffBit(int b)
 void DbpString(char *str)
 {
 	/* this holds up stuff unless we're connected to usb */
-//	if (!usbattached)
-//		return;
+	if (!UsbConnected())
+		return;
 
 	UsbCommand c;
 	c.cmd = CMD_DEBUG_PRINT_STRING;
@@ -80,8 +79,8 @@ void DbpString(char *str)
 void DbpIntegers(int x1, int x2, int x3)
 {
 	/* this holds up stuff unless we're connected to usb */
-//	if (!usbattached)
-//		return;
+	if (!UsbConnected())
+		return;
 
 	UsbCommand c;
 	c.cmd = CMD_DEBUG_PRINT_INTEGERS;
@@ -266,7 +265,7 @@ void SamyRun()
 
 	for (;;)
 	{
-		usbattached = UsbPoll(FALSE);
+		UsbPoll(FALSE);
 		WDT_HIT();
 
 		// Was our button held down or pressed?
@@ -715,7 +714,7 @@ void AppMain(void)
 #endif
 
 	for(;;) {
-		usbattached = UsbPoll(FALSE);
+		UsbPoll(FALSE);
 		WDT_HIT();
 
 		if (BUTTON_HELD(1000) > 0)
diff --git a/common/usb.c b/common/usb.c
index f0b95291..50a9fc69 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -436,6 +436,14 @@ void UsbStart(void)
 	}
 }
 
+BOOL UsbConnected()
+{
+	if (UDP_GLOBAL_STATE & UDP_GLOBAL_STATE_CONFIGURED)
+		return TRUE;
+	else
+		return FALSE;
+}
+
 BOOL UsbPoll(BOOL blinkLeds)
 {
 	BOOL ret = FALSE;
diff --git a/include/proxmark3.h b/include/proxmark3.h
index a94435e8..2f3b4838 100644
--- a/include/proxmark3.h
+++ b/include/proxmark3.h
@@ -52,6 +52,7 @@ typedef signed short SWORD;
 // USB declarations
 
 void UsbSendPacket(BYTE *packet, int len);
+BOOL UsbConnected();
 BOOL UsbPoll(BOOL blinkLeds);
 void UsbStart(void);
 
-- 
2.39.2