Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / platforms / mulle / chips / m16c62p / M16c62pControlPlatformC.nc

diff --git a/tos/platforms/mulle/chips/m16c62p/M16c62pControlPlatformC.nc b/tos/platforms/mulle/chips/m16c62p/M16c62pControlPlatformC.nc
new file mode 100644 (file)
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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.
+ */
+
+/**
+ * Mulle specific implementation of the M16c62pControlPlatform interface.
+ * 
+ * @author Henrik Makitaavola <henrik.makitaavola@gmail.com>
+ */
+module M16c62pControlPlatformC
+{
+  provides interface M16c62pControlPlatform;
+}
+implementation
+{
+  async command void M16c62pControlPlatform.PLLOn()
+  {
+    // Set all timers that uses the main clock
+    // as source to use F2 instead of F1 because
+    // the main clock will be twice as fast when PLL
+    // is on.
+    // Set the UARTS clock source to F2 instead of F1.
+
+    // NOTE: No need to turn on/off protections for registers,
+    // this is handeled by the caller of this code.
+    CLR_BIT(PCLKR.BYTE, 0); // Timers
+    CLR_BIT(PCLKR.BYTE, 1); // Uarts
+  }
+
+  async command void M16c62pControlPlatform.PLLOff()
+  {
+    // Restore settings done in PLLOn()
+    // NOTE: No need to turn on/off protections for registers,
+    // this is handeled by the caller of this code.
+    SET_BIT(PCLKR.BYTE, 0);
+    SET_BIT(PCLKR.BYTE, 1);
+  }
+}