From d5c8b18fc2aa137d52054aed158f0703344f6e80 Mon Sep 17 00:00:00 2001
From: nvt-se <nvt-se>
Date: Thu, 27 Mar 2008 13:08:35 +0000
Subject: [PATCH] added accelerometer test with moving average.

---
 platform/msb430/apps/acc-test.c | 70 +++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 platform/msb430/apps/acc-test.c

diff --git a/platform/msb430/apps/acc-test.c b/platform/msb430/apps/acc-test.c
new file mode 100644
index 000000000..17438afd2
--- /dev/null
+++ b/platform/msb430/apps/acc-test.c
@@ -0,0 +1,70 @@
+/*
+ * 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: acc-test.c,v 1.1 2008/03/27 13:08:35 nvt-se Exp $
+ */
+
+#include "contiki.h"
+#include "net/rime.h"
+#include "dev/sd/sd.h"
+
+#include <stdio.h>
+
+/*---------------------------------------------------------------------------*/
+PROCESS(test_acc_process, "Accelerometer test");
+AUTOSTART_PROCESSES(&test_acc_process);
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(test_acc_process, ev, data)
+{
+  static struct etimer et;
+  static int x, y, z;
+  static uint32_t xa, ya, za;
+
+  PROCESS_BEGIN();
+
+  while(1) {
+    etimer_set(&et, CLOCK_SECOND / 8);
+    PROCESS_WAIT_EVENT();
+    if (etimer_expired(&et)) {
+      adc_on();
+      x = ADC12MEM0;
+      y = ADC12MEM1;
+      z = ADC12MEM2;
+      xa = xa + x - (xa >> 4);
+      ya = ya + y - (ya >> 4);
+      za = za + z - (za >> 4);
+      adc_off();
+      printf("x=%ld, y=%ld, z=%ld\n",
+	(xa >> 4) - x, (ya >> 4) - y, (za >> 4) - z);
+    }
+  }
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/