--- /dev/null
+/*
+ * Copyright (c) 2008 Stanford University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of the Stanford University 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 COPYRIGHT HOLDERS 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 STANFORD
+ * UNIVERSITY OR ITS 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.
+ */
+
+/**
+ * @author Kevin Klues <klueska@cs.stanford.edu>
+ */
+
+#include "tosthread.h"
+#include "tosthread_amradio.h"
+#include "tosthread_leds.h"
+#include "tosthread_threadsync.h"
+#include "tosthread_hamamatsuS1087.h"
+#include "tosthread_hamamatsuS10871.h"
+#include "tosthread_sensirionSht11.h"
+
+#define NUM_SENSORS 4
+#define SAMPLING_PERIOD 3000
+#define AM_SENSOR_DATA_MSG 0x25
+
+//Data structure for storing sensor data
+typedef struct sensor_data {
+ nx_uint32_t seq_no;
+ nx_uint16_t hum;
+ nx_uint16_t temp;
+ nx_uint16_t tsr;
+ nx_uint16_t par;
+} sensor_data_t;
+
+//Initialize variables associated with each thread
+tosthread_t humidity;
+tosthread_t temperature;
+tosthread_t total_solar;
+tosthread_t photo_active;
+tosthread_t send_handler;
+
+message_t send_msg;
+sensor_data_t* sensor_data; //pointer into message structure
+mutex_t data_mutex;
+barrier_t send_barrier;
+barrier_t sense_barrier;
+
+void humidity_thread(void* arg);
+void temperature_thread(void* arg);
+void total_solar_thread(void* arg);
+void photo_active_thread(void* arg);
+void send_thread(void* arg);
+
+void tosthread_main(void* arg) {
+ mutex_init(&data_mutex);
+ barrier_reset(&send_barrier, NUM_SENSORS+1);
+ barrier_reset(&sense_barrier, NUM_SENSORS+1);
+ sensor_data = radioGetPayload(&send_msg, sizeof(sensor_data_t));
+ //sensor_data->seq_no = 0;
+ __nesc_hton_uint32((unsigned char *)&sensor_data->seq_no, (unsigned long )0);
+
+ amRadioStart();
+ tosthread_create(&humidity, humidity_thread, NULL, 200);
+ tosthread_create(&temperature, temperature_thread, NULL, 200);
+ tosthread_create(&total_solar, total_solar_thread, NULL, 200);
+ tosthread_create(&photo_active, photo_active_thread, NULL, 200);
+ tosthread_create(&send_handler, send_thread, NULL, 200);
+}
+
+void read_sensor(error_t (*read)(uint16_t*), nx_uint16_t* nx_val) {
+ uint16_t val;
+ for(;;) {
+ (*read)(&val);
+ mutex_lock(&data_mutex);
+ // *nx_val = val;
+ __nesc_hton_uint16((unsigned char *)&*nx_val, val);
+ mutex_unlock(&data_mutex);
+ barrier_block(&send_barrier);
+ barrier_block(&sense_barrier);
+ }
+}
+
+void humidity_thread(void* arg) {
+ read_sensor(sensirionSht11_humidity_read, &(sensor_data->hum));
+}
+void temperature_thread(void* arg) {
+ read_sensor(sensirionSht11_temperature_read, &(sensor_data->temp));
+}
+void total_solar_thread(void* arg) {
+ read_sensor(hamamatsuS10871_tsr_read, &(sensor_data->tsr));
+}
+void photo_active_thread(void* arg) {
+ read_sensor(hamamatsuS1087_par_read, &(sensor_data->par));
+}
+void send_thread(void* arg) {
+ //Only needed for nesC magic.... I hate this hack.....
+ unsigned long __nesc_temp43;
+ unsigned char *__nesc_temp42;
+
+ for(;;) {
+ barrier_block(&send_barrier);
+ barrier_reset(&send_barrier, NUM_SENSORS + 1);
+
+ if(amRadioSend(AM_BROADCAST_ADDR, &send_msg, sizeof(sensor_data_t), AM_SENSOR_DATA_MSG) == SUCCESS) {
+ //sensor_data->seq_no++;
+ (__nesc_temp42 = (unsigned char *)&sensor_data->seq_no, __nesc_hton_uint32(__nesc_temp42, (__nesc_temp43 = __nesc_ntoh_uint32(__nesc_temp42)) + 1), __nesc_temp43);
+ led0Toggle();
+ }
+ //tosthread_sleep(SAMPLING_PERIOD);
+ barrier_block(&sense_barrier);
+ barrier_reset(&sense_barrier, NUM_SENSORS + 1);
+ }
+}