tmicore and tmirws platforms -> tmimsp family

[tinyos-2.x.git] / tos / platforms / tmimsp / tmirws / chips / scp1000 / Scp1000PinsP.nc

diff --git a/tos/platforms/tmimsp/tmirws/chips/scp1000/Scp1000PinsP.nc b/tos/platforms/tmimsp/tmirws/chips/scp1000/Scp1000PinsP.nc
new file mode 100644 (file)
index 0000000..7fc01fa
--- /dev/null
+++ b/tos/platforms/tmimsp/tmirws/chips/scp1000/Scp1000PinsP.nc
@@ -0,0 +1,114 @@
+/*
+ * 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.
+ */
+
+/**
+ * Platform dependent scp1000 pin initialization.
+ *
+ * @author R. Steve McKown <rsmckown@gmail.com>
+ */
+
+#include "Scp1000.h"
+
+generic module Scp1000PinsP() @safe()
+{
+  provides {
+    interface Init;
+    interface GeneralIO as PD;
+  }
+  uses {
+    interface HplMsp430GeneralIO as CSn;
+    interface HplMsp430GeneralIO as _PD;
+    interface HplMsp430GeneralIO as DRDY;
+  }
+}
+implementation
+{
+  command error_t Init.init()
+  {
+    call CSn.selectIOFunc();
+    call CSn.disableRen();
+    call CSn.set();
+    call CSn.makeOutput();
+    call _PD.selectIOFunc();
+    call _PD.disableRen();
+    call _PD.set();
+    call _PD.makeOutput();
+    call DRDY.selectIOFunc();
+    call DRDY.enableRen();
+    call DRDY.makeInput();
+    return SUCCESS;
+  }
+
+  async command void PD.set()
+  {
+    /* When we turn off the device we need to enable the pull-up so the pin
+     * doesn't float and cause unwanted current consumption.
+     */
+    call DRDY.enableRen();
+    call _PD.set();
+  }
+
+  async command void PD.clr()
+  {
+    /* When the device is powered up, we no longer need the pull-up.  This is
+     * a little bit pedantic, as the unit won't be on that long, but having
+     * the pull-up on does increase power consumption while DRDY is low during
+     * the process of taking a reading.  On the order of 2.5/35K = 71uA.
+     */
+    call _PD.clr();
+    call DRDY.disableRen();
+  }
+
+  async command void PD.toggle()
+  {
+  }
+
+  async command bool PD.get()
+  {
+    return call _PD.get();
+  }
+
+  async command void PD.makeInput()
+  {
+  }
+
+  async command bool PD.isInput()
+  {
+    return FALSE;
+  }
+
+  async command void PD.makeOutput()
+  {
+  }
+
+  async command bool PD.isOutput()
+  {
+    return TRUE;
+  }
+}