From 4d59afcc64c35d6a1c07290d77dedb5e0046c7df Mon Sep 17 00:00:00 2001
From: Thibault RICHARD <thibault.richard@atmel.com>
Date: Wed, 9 May 2012 12:45:14 +0200
Subject: [PATCH] [SAM] CDC working. (workaround implemented for Windows
 previous issue)

---
 .../arduino/sam/cores/sam/USB/USBCore.cpp     |   9 +++++----
 .../sam/cores/sam/libsam_sam3x8e_gcc_dbg.a    | Bin 244890 -> 244890 bytes
 .../arduino_due_x/libsam_sam3x8e_gcc_rel.a    | Bin 75306 -> 75306 bytes
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/hardware/arduino/sam/cores/sam/USB/USBCore.cpp b/hardware/arduino/sam/cores/sam/USB/USBCore.cpp
index 711ff8a5d..4ba52631b 100644
--- a/hardware/arduino/sam/cores/sam/USB/USBCore.cpp
+++ b/hardware/arduino/sam/cores/sam/USB/USBCore.cpp
@@ -425,17 +425,15 @@ static void USB_ISR(void)
 		uint8_t requestType = setup.bmRequestType;
 		if (requestType & REQUEST_DEVICETOHOST)
 		{
-			TRACE_CORE(printf(">>> EP0 Int: IN Request\r\n");)
+			TRACE_CORE(puts(">>> EP0 Int: IN Request\r\n");)
 			UDD_WaitIN();
 		}
 		else
 		{
-			TRACE_CORE(printf(">>> EP0 Int: OUT Request\r\n");)
+			TRACE_CORE(puts(">>> EP0 Int: OUT Request\r\n");)
 			UDD_ClearIN();
 		}
 
-
-
 		bool ok = true ;
 		if (REQUEST_STANDARD == (requestType & REQUEST_TYPE))
 		{
@@ -507,6 +505,9 @@ static void USB_ISR(void)
 		else
 		{
 			TRACE_CORE(puts(">>> EP0 Int: ClassInterfaceRequest\r\n");)
+
+			UDD_WaitIN(); // Workaround: need tempo here, else CDC serial won't open correctly
+
 			USBD_InitControl(setup.wLength); // Max length of transfer
 			ok = USBD_ClassInterfaceRequest(setup);
 		}
diff --git a/hardware/arduino/sam/cores/sam/libsam_sam3x8e_gcc_dbg.a b/hardware/arduino/sam/cores/sam/libsam_sam3x8e_gcc_dbg.a
index e59285c720c07ecebf1cfe0ba5ddbbb3418347c8..88d9d7bea60a19fd91f10dae0a7014245eb1e177 100644
GIT binary patch
delta 341
zcmbRBlW*2fz6mmHre+2P2F4qeN+cjm!|4aMGKy{9B;inuBEZ+f!GR)RH02JmfcR$Z
zxxxA<DrTJtX@&?Gfeqcx6~MS56)LhFXpNZ}inP!hMh{7tbOI|=m?DbwB{ilUvM}ih
zE=+0aNYdilg>#ttU6Dk@w(r}>^no2BVhnM>shvz;P(^MXWIB<Jq()-<0bOP#V<Zu=
d?f(*(6+}@)tjd@}<X|E|r$}sHGllt`IslysYvKR^

delta 336
zcmbRBlW*2fz6mmHCI;pP7DgMDN+iHcbIa)mwla!s-X!5rj3U6-!@+?fU^L|pvVizz
z?YY7F5aSFWX3RPh(u^#yohyKGLn>5cJJ1?4GZbl|H;f*VFzEzVrZ7ba#}I7X_DgC^
zJ7l3E+b6g%rKuxHi*FasVd{595)s?JZzIzOb`+6QJDI+)vx2=meg9TQ@$I(`GM&gq
p2uN-}pv$aej1Umt{x5-9K@?fQs*E{A4l2;^!X&wU%@pQ$>Hr_0Yl;8>

diff --git a/hardware/arduino/sam/variants/arduino_due_x/libsam_sam3x8e_gcc_rel.a b/hardware/arduino/sam/variants/arduino_due_x/libsam_sam3x8e_gcc_rel.a
index ab3148aeb222eaed691bfad2d246b1634731d45c..4a27d212bcf978c4e257dbe977743be7393afbea 100644
GIT binary patch
delta 322
zcmZ2=hGo?mmI*R!rlyvbmL?mO3Zx-S!|4TVjN+TuOFw3X2pCO1pe?p}ogxnxl)w3a
z_8Sc-8>0ARh_pPC;!Pzo{1C1&Sg%F%2X<t>OLqweGXKit7f5{Z%{S*vMp56f<bwo6
zy$RU7DSIP$5q$B@oTr<iZUxDUZ(e!99;zRrp5?|CK8Sj#=dM1R3H7)!$O97FdzcyT
gF+rWQ9Vqex$^q-&-onYKA_+AB<bdr*lo->P0UsS>g#Z8m

delta 316
zcmZ2=hGo?mmI*R!CI)8aW)>Tj3Zz-V%*h{5iEmyf{e%^ntH{FzQE0mPfc6^=D0_MV
z8>9H<lOfXbP=Uz@w8b`+$nZnBW+3ini{=mP$b6UX5)NekmB}xV_~M&y&Y6s&zGKM;
z35a@guz6GVM({%T7C^rEX3o>itjPS87wn<>LGogoS#E6ML-NX%XS1MwHU~LhVtWrW
g<2@#*1>1olKVTe??(Hp{j4F}{?c0wiF{UvC0G+{Q`~Uy|