From 13e9ad4c4bf46e1d8d7ed879a27ce95a35766c29 Mon Sep 17 00:00:00 2001
From: andreaskoepke <andreaskoepke>
Date: Sat, 10 Mar 2007 22:03:48 +0000
Subject: [PATCH] add component that uses clkdiv as an input for SMCLK when
 available -- use with caution.

---
 tos/platforms/eyesIFX/SmclkManagerC.nc | 51 +++++++++++++++++++
 tos/platforms/eyesIFX/SmclkManagerP.nc | 68 ++++++++++++++++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 tos/platforms/eyesIFX/SmclkManagerC.nc
 create mode 100644 tos/platforms/eyesIFX/SmclkManagerP.nc

diff --git a/tos/platforms/eyesIFX/SmclkManagerC.nc b/tos/platforms/eyesIFX/SmclkManagerC.nc
new file mode 100644
index 00000000..48c46f06
--- /dev/null
+++ b/tos/platforms/eyesIFX/SmclkManagerC.nc
@@ -0,0 +1,51 @@
+/* -*- mode:c++; indent-tabs-mode: nil -*-
+ * Copyright (c) 2007, Technische Universitaet Berlin
+ * 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 Universitaet 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.
+ *
+ * $Revision$
+ * $Date$
+ */
+
+/**
+ * 
+ * @author: Andreas Koepke <koepke@tkn.tu-berlin.de>
+ */
+
+configuration SmclkManagerC {
+    
+}
+implementation {
+    components SmclkManagerP;
+
+    components MainC;
+    SmclkManagerP.Boot -> MainC;
+    
+    components Tda5250RadioC;
+    SmclkManagerP.ClkDiv -> Tda5250RadioC;
+}
+
+
diff --git a/tos/platforms/eyesIFX/SmclkManagerP.nc b/tos/platforms/eyesIFX/SmclkManagerP.nc
new file mode 100644
index 00000000..b69da97b
--- /dev/null
+++ b/tos/platforms/eyesIFX/SmclkManagerP.nc
@@ -0,0 +1,68 @@
+/* -*- mode:c++; indent-tabs-mode: nil -*-
+ * Copyright (c) 2007, Technische Universitaet Berlin
+ * 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 Universitaet 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.
+ *
+ * $Revision$
+ * $Date$
+ */
+
+/**
+ * 
+ * @author: Andreas Koepke <koepke@tkn.tu-berlin.de>
+ */
+
+module SmclkManagerP {
+    uses {
+        interface Boot;
+        interface ClkDiv;
+    }
+}
+implementation {
+    event void Boot.booted() {
+        ;
+    }
+
+    async event void ClkDiv.startDone() {
+        atomic {
+            BCSCTL1 &= ~XT2OFF;
+            BCSCTL2 = SELS;
+        }
+    }
+
+    async event void ClkDiv.stopping() {
+        uint16_t sr;
+        atomic {
+            BCSCTL1 |= XT2OFF;
+            BCSCTL2 = DIVS1;
+            sr = READ_SR;
+            sr &= ~SR_SCG1;
+            __asm__ __volatile__( "bis  %0, r2" : : "m" (sr) );
+        }
+    }
+}
+
+
-- 
2.39.2