Architecture dependent code for the CC2420 driver

cpu/msp430/simple-cc2420-arch.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2006, 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.
+ *
+ * @(#)$Id: simple-cc2420-arch.c,v 1.1 2007/05/25 08:07:54 adamdunkels Exp $
+ */
+
+#include <io.h>
+#include <signal.h>
+
+#include "contiki.h"
+#include "contiki-net.h"
+
+#include "dev/spi.h"
+#include "dev/simple-cc2420.h"
+/*---------------------------------------------------------------------------*/
+interrupt(PORT1_VECTOR)
+simple_cc24240_port1_interrupt(void)
+{
+  ENERGEST_ON(ENERGEST_TYPE_IRQ);
+  if(simple_cc2420_interrupt()) {
+    LPM4_EXIT;
+  }
+  ENERGEST_OFF(ENERGEST_TYPE_IRQ);
+}
+/*---------------------------------------------------------------------------*/
+void
+simple_cc2420_arch_init(void)
+{
+  spi_init();
+
+  P4DIR |= BV(CSN) | BV(VREG_EN) | BV(RESET_N);
+
+  SPI_DISABLE();                /* Unselect radio. */
+}
+/*---------------------------------------------------------------------------*/