From 80a408526fb0bb87a3bf46336196469ce959d29d Mon Sep 17 00:00:00 2001
From: kasunch <kasunch>
Date: Wed, 24 Feb 2010 09:13:56 +0000
Subject: [PATCH] Adding an example application for battery sensor

---
 platform/micaz/apps/battery-monitor.c | 34 +++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 platform/micaz/apps/battery-monitor.c

diff --git a/platform/micaz/apps/battery-monitor.c b/platform/micaz/apps/battery-monitor.c
new file mode 100644
index 000000000..be4599458
--- /dev/null
+++ b/platform/micaz/apps/battery-monitor.c
@@ -0,0 +1,34 @@
+#include "contiki.h"
+#include "dev/battery-sensor.h"
+#include "lib/sensors.h"
+#include <stdio.h> /* For printf() */
+/*---------------------------------------------------------------------------*/
+PROCESS(battery_monitor_process, "Battery Voltage Monitor");
+AUTOSTART_PROCESSES(&battery_monitor_process);
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(battery_monitor_process, ev, data)
+{
+  static struct etimer et;
+
+  PROCESS_BEGIN();
+
+  SENSORS_ACTIVATE(battery_sensor);
+
+  while(1) {
+
+    etimer_set(&et, CLOCK_SECOND * 2);
+    PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
+    /*
+     * Battery voltage calculation formula
+     *
+     *     V(Battery Voltage) = v(Voltage Reference) * 1024 / ADC
+     *
+     *     Where:
+     *          v = 1.223
+     * 
+     */
+    printf("ADC value : %d\n", battery_sensor.value(0));
+  }
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/