Initial WiSMote port based on code from Arago Systems.

cpu/msp430/cc2520-arch.c

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2011, 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.
+ */
+
+#include "contiki.h"
+#include "contiki-net.h"
+
+#include "dev/spi.h"
+#include "dev/cc2520.h"
+
+#ifdef CC2520_CONF_SFD_TIMESTAMPS
+#define CONF_SFD_TIMESTAMPS CC2520_CONF_SFD_TIMESTAMPS
+#endif /* CC2520_CONF_SFD_TIMESTAMPS */
+
+#ifndef CONF_SFD_TIMESTAMPS
+#define CONF_SFD_TIMESTAMPS 0
+#endif /* CONF_SFD_TIMESTAMPS */
+
+#ifdef CONF_SFD_TIMESTAMPS
+#include "cc2520-arch-sfd.h"
+#endif
+
+/*---------------------------------------------------------------------------*/
+#ifdef __IAR_SYSTEMS_ICC__
+#pragma vector=CC2520_IRQ_VECTOR
+__interrupt void
+#else
+interrupt(CC2520_IRQ_VECTOR)
+#endif
+cc2520_port1_interrupt(void)
+{
+  ENERGEST_ON(ENERGEST_TYPE_IRQ);
+
+  if(cc2520_interrupt()) {
+    LPM4_EXIT;
+  }
+
+  ENERGEST_OFF(ENERGEST_TYPE_IRQ);
+}
+/*---------------------------------------------------------------------------*/
+void
+cc2520_arch_init(void)
+{
+  spi_init();
+
+  /* all input by default, set these as output */
+  CC2520_CSN_PORT(DIR) |= BV(CC2520_CSN_PIN);
+  CC2520_VREG_PORT(DIR) |= BV(CC2520_VREG_PIN);
+  CC2520_RESET_PORT(DIR) |= BV(CC2520_RESET_PIN);
+
+  P1DIR &= ~(BV(CC2520_FIFOP_PIN) | BV(CC2520_FIFO_PIN) | BV(CC2520_CCA_PIN));
+  P2DIR &= ~(BV(CC2520_SFD_PIN));
+
+#if CONF_SFD_TIMESTAMPS
+  cc2520_arch_sfd_init();
+#endif
+
+  CC2520_SPI_DISABLE();                /* Unselect radio. */
+}
+/*---------------------------------------------------------------------------*/