Added support for digital presence/motion sensors

examples/zolertia/zoul/Makefile

@@ -1,7 +1,7 @@
 DEFINES+=PROJECT_CONF_H=\"project-conf.h\"
 CONTIKI_PROJECT = zoul-demo test-tsl2563 test-sht25 test-pwm test-power-mgmt
-CONTIKI_PROJECT += test-bmp085
-CONTIKI_TARGET_SOURCEFILES += tsl2563.c sht25.c bmp085.c
+CONTIKI_PROJECT += test-bmp085 test-motion
+CONTIKI_TARGET_SOURCEFILES += tsl2563.c sht25.c bmp085.c motion-sensor.c
 
 all: $(CONTIKI_PROJECT)
 

examples/zolertia/zoul/project-conf.h

@@ -41,6 +41,13 @@
 #define BROADCAST_CHANNEL     129
 #define NETSTACK_CONF_RDC     nullrdc_driver
 
+/* Pin definition for the test-motion example, for the RE-Mote it uses the
+ * ADC1 pin
+ */
+#define MOTION_SENSOR_PORT       GPIO_A_NUM
+#define MOTION_SENSOR_PIN        5
+#define MOTION_SENSOR_VECTOR     NVIC_INT_GPIO_PORT_A
+
 #endif /* PROJECT_CONF_H_ */
 
 /** @} */

examples/zolertia/zoul/test-motion.c

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2016, Zolertia - http://www.zolertia.com
+ * 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.
+ *
+ */
+/*---------------------------------------------------------------------------*/
+/**
+ * \addtogroup zoul-examples
+ * @{
+ *
+ * \defgroup zoul-motion-test Digital motion sensor test
+ *
+ * The example application shows how to use any digital motion sensor, basically
+ * driving a signal high when motion is detected.
+ *
+ * @{
+ *
+ * \file
+ *  Test application for the digital motion/presence sensor
+ *
+ * \author
+ *         Antonio Lignan <alinan@zolertia.com>
+ */
+/*---------------------------------------------------------------------------*/
+#include "contiki.h"
+#include "cpu.h"
+#include "sys/rtimer.h"
+#include "dev/leds.h"
+#include "dev/motion-sensor.h"
+
+#include <stdio.h>
+#include <stdint.h>
+/*---------------------------------------------------------------------------*/
+#define LEDS_OFF_HYSTERISIS      RTIMER_SECOND
+/*---------------------------------------------------------------------------*/
+static struct rtimer rt;
+/*---------------------------------------------------------------------------*/
+PROCESS(test_presence_sensor, "Test digital motion sensor");
+AUTOSTART_PROCESSES(&test_presence_sensor);
+/*---------------------------------------------------------------------------*/
+void
+rt_callback(struct rtimer *t, void *ptr)
+{
+  leds_off(LEDS_RED);
+}
+/*---------------------------------------------------------------------------*/
+static void
+presence_callback(uint8_t value)
+{
+  printf("*** Presence detected!\n");
+  leds_on(LEDS_RED);
+  rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1, rt_callback, NULL);
+}
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(test_presence_sensor, ev, data)
+{
+  PROCESS_BEGIN();
+
+  /* Register the callback handler when presence is detected */
+  MOTION_REGISTER_INT(presence_callback);
+
+  /* Enable the sensor, as default it assumes the signal pin has a pull-down
+   * resistor and a rising interrupt (signal goes high when motion is detected),
+   * this is the case of the Grove's PIR sensor v.1.0.  If the sensor has an
+   * inverse logic, change at the motion-sensor.c driver file
+   * GPIO_DETECT_FALLING instead of GPIO_DETECT_RISING if using an external
+   * pull-up resistor
+   */
+  SENSORS_ACTIVATE(motion_sensor);
+
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+/**
+ * @}
+ * @}
+ * @}
+ */