--- /dev/null
+/*
+ * Copyright (c) 2008, Titanium Mirror, Inc.
+ * 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 the Technische Universität Berlin 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 THE COPYRIGHT
+ * OWNER OR 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.
+ */
+
+/**
+ * Implement an open drain output using an HplMsp430GeneralIO, represented as
+ * a GeneralIO. Uses the pull-up resistor built into the msp430 for each io
+ * pin to deliver the pull-up necessary. set() is pin in input with pull-up,
+ * clr() is in output with no pull-up.
+ *
+ * @author R. Steve McKown <rsmckown@gmail.com>
+ */
+
+generic module Msp430OpenDrainP()
+{
+ provides {
+ interface Init;
+ interface GeneralIO;
+ }
+ uses interface HplMsp430GeneralIO as HplGeneralIO;
+}
+implementation
+{
+ command error_t Init.init()
+ {
+ call HplGeneralIO.makeInput();
+ call HplGeneralIO.set();
+ call HplGeneralIO.enableRen(); /* this is the important bit */
+ return SUCCESS;
+ }
+
+ async command void GeneralIO.set() { call HplGeneralIO.set(); }
+ async command void GeneralIO.clr() { call HplGeneralIO.clr(); }
+ async command void GeneralIO.toggle() { call HplGeneralIO.toggle(); }
+ //async command uint8_t GeneralIO.getOutRaw() { call HplGeneralIO.getOutRaw(); }
+ //async command bool GeneralIO.getOut() { return call HplGeneralIO.getOut(); }
+ //async command uint8_t GeneralIO.getRaw() { call HplGeneralIO.getRaw(); }
+ async command bool GeneralIO.get() { return call HplGeneralIO.get(); }
+ async command void GeneralIO.makeInput() {} // call HplGeneralIO.makeInput(); }
+ async command bool GeneralIO.isInput() { return TRUE; } //call HplGeneralIO.isInput(); }
+ async command void GeneralIO.makeOutput() {} // call HplGeneralIO.makeOutput(); }
+ async command bool GeneralIO.isOutput() { return TRUE; } //call HplGeneralIO.isOutput(); }
+ //async command void GeneralIO.selectModuleFunc() { call HplGeneralIO.selectModuleFunc(); }
+ //async command bool GeneralIO.isModuleFunc() { return call HplGeneralIO.isModuleFunc(); }
+ //async command void GeneralIO.selectIOFunc() { call HplGeneralIO.selectIOFunc(); }
+ //async command bool GeneralIO.isIOFunc() { return call HplGeneralIO.isIOFunc(); }
+ //async command void GeneralIO.enableRen() { call HplGeneralIO.enableRen(); }
+ //async command void GeneralIO.disableRen() { call HplGeneralIO.disableRen(); }
+ //async command bool GeneralIO.isRen() { return call HplGeneralIO.isRen(); }
+}