New platform: TI cc2530 Development Kit

This commits adds support for TI's SmartRF05 Eval. Board with cc2530 EMs
Some initial support for cc2531 USB dongles

cpu/cc253x/rtimer-arch.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2007, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * $Id: rtimer-arch.h,v 1.1 2009/09/08 20:07:35 zdshelby Exp $
+ */
+
+/**
+ * \file
+ *         Hardware-dependent function declarations used to
+ *         support the contiki rtimer module.
+ *
+ * \author
+ *         Zach Shelby (Original)
+ *         George Oikonomou - <oikonomou@users.sourceforge.net>
+ *           (rtimer-arch implementation for cc2430 and then cc253x)
+ */
+
+#ifndef __RTIMER_ARCH_H__
+#define __RTIMER_ARCH_H__
+
+#include "contiki-conf.h"
+#include "cc253x.h"
+
+/*
+ * 32 MHz clock, prescaled down to 500 kHz for all 4 timers in clock_init().
+ * Further prescaled factor 32 for T1, thus T1 is 15625 Hz
+ */
+#define RTIMER_ARCH_SECOND (15625U)
+
+#define rtimer_arch_now() (T1CNTL + (T1CNTH << 8))
+
+void rtimer_isr(void) __interrupt(T1_VECTOR);
+
+#endif /* __RTIMER_ARCH_H__ */