From 9382bf2f765cfbb8f7a9a48157391cac2bb71780 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Tue, 14 Aug 2012 00:46:03 +0900
Subject: Add USB_Host_Shield_2.0 and arduino-1.0.1 in usb_hid.

---
 .../arduino-1.0.1/cores/arduino/wiring_shift.c     | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 protocol/usb_hid/arduino-1.0.1/cores/arduino/wiring_shift.c

(limited to 'protocol/usb_hid/arduino-1.0.1/cores/arduino/wiring_shift.c')

diff --git a/protocol/usb_hid/arduino-1.0.1/cores/arduino/wiring_shift.c b/protocol/usb_hid/arduino-1.0.1/cores/arduino/wiring_shift.c
new file mode 100644
index 0000000000..cfe786758c
--- /dev/null
+++ b/protocol/usb_hid/arduino-1.0.1/cores/arduino/wiring_shift.c
@@ -0,0 +1,55 @@
+/*
+  wiring_shift.c - shiftOut() function
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2005-2006 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $
+*/
+
+#include "wiring_private.h"
+
+uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder) {
+	uint8_t value = 0;
+	uint8_t i;
+
+	for (i = 0; i < 8; ++i) {
+		digitalWrite(clockPin, HIGH);
+		if (bitOrder == LSBFIRST)
+			value |= digitalRead(dataPin) << i;
+		else
+			value |= digitalRead(dataPin) << (7 - i);
+		digitalWrite(clockPin, LOW);
+	}
+	return value;
+}
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val)
+{
+	uint8_t i;
+
+	for (i = 0; i < 8; i++)  {
+		if (bitOrder == LSBFIRST)
+			digitalWrite(dataPin, !!(val & (1 << i)));
+		else	
+			digitalWrite(dataPin, !!(val & (1 << (7 - i))));
+			
+		digitalWrite(clockPin, HIGH);
+		digitalWrite(clockPin, LOW);		
+	}
+}
-- 
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