Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / chips / m16c62p / pins / HplM16c62pGeneralIOPinP.nc

diff --git a/tos/chips/m16c62p/pins/HplM16c62pGeneralIOPinP.nc b/tos/chips/m16c62p/pins/HplM16c62pGeneralIOPinP.nc
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+/*
+ * Copyright (c) 2009 Communication Group and Eislab at
+ * Lulea University of Technology
+ *
+ * Contact: Laurynas Riliskis, LTU
+ * Mail: laurynas.riliskis@ltu.se
+ * All rights reserved.
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the
+ *   distribution.
+ * - Neither the name of Communication Group at Lulea University of Technology
+ *   nor the names of its contributors may be used to endorse or promote
+ *    products derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL STANFORD
+ * UNIVERSITY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+/*
+ * Copyright (c) 2004-2005 Crossbow Technology, Inc.  All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ * 
+ * IN NO EVENT SHALL CROSSBOW TECHNOLOGY OR ANY OF ITS LICENSORS BE LIABLE TO 
+ * ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL 
+ * DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF CROSSBOW OR ITS LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 
+ * DAMAGE. 
+ *
+ * CROSSBOW TECHNOLOGY AND ITS LICENSORS SPECIFICALLY DISCLAIM ALL WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 
+ * ON AN "AS IS" BASIS, AND NEITHER CROSSBOW NOR ANY LICENSOR HAS ANY 
+ * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR 
+ * MODIFICATIONS.
+ *
+ */
+  
+/**
+ * Generic pin access for pins mapped into I/O space.
+ *
+ * @author Henrik Makitaavola <henrik.makitaavola@gmail.com>
+ * @author Martin Turon <mturon@xbow.com>
+ * @author David Gay <dgay@intel-research.net>
+ */
+generic module HplM16c62pGeneralIOPinP (uint16_t port_addr, 
+                                uint16_t ddr_addr, 
+                                uint16_t bit)
+{
+  provides interface GeneralIO as IO;
+}
+implementation
+{
+#define port (*TCAST(volatile uint8_t* ONE, port_addr))
+#define ddr (*TCAST(volatile uint8_t* ONE, ddr_addr))
+
+  inline async command bool IO.get()        { return READ_BIT (port, bit); }
+  inline async command void IO.set()        { SET_BIT  (port, bit); }
+  inline async command void IO.clr()        { CLR_BIT  (port, bit); }
+  inline async command void IO.toggle()     { atomic FLIP_BIT (port, bit); }
+    
+  inline async command void IO.makeInput()  { CLR_BIT  (ddr, bit);  }
+  inline async command bool IO.isInput()    { return !READ_BIT(ddr, bit); }
+  inline async command void IO.makeOutput() { SET_BIT  (ddr, bit);  }
+  inline async command bool IO.isOutput()   { return READ_BIT(ddr, bit); }
+}
+