add htu21d sensor and resources and set mesure inteval to 10 seconds

examples/osd/arduino-climate3/Makefile

@@ -15,7 +15,7 @@ CONTIKI_WITH_IPV6 = 1
 
 CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
 
-PROJECT_SOURCEFILES += ${SKETCH}.cpp
+PROJECT_SOURCEFILES += ${SKETCH}.cpp Adafruit_HTU21DF.cpp Wire.cpp twi.c new.cpp WString.cpp Stream.cpp
 
 # automatically build RESTful resources
 REST_RESOURCES_DIR = ./resources

examples/osd/arduino-climate3/project-conf.h

@@ -38,6 +38,8 @@
 
 #define SICSLOWPAN_CONF_FRAG	1
 
+#define LOOP_INTERVAL		(10 * CLOCK_SECOND)
+
 /* Save energy */
 #define RDC_CONF_PT_YIELD_OFF
 

examples/osd/arduino-climate3/resources/res-htu21dhum.c

@@ -45,40 +45,31 @@
 static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
 
 /* A simple getter example. Returns the reading from the sensor with a simple etag */
-RESOURCE(res_moisture,
+RESOURCE(res_htu21dhum,
          "title=\"Moisture status\";rt=\"Moisture\"",
          res_get_handler,
          NULL,
          NULL,
          NULL);
 
-extern  uint8_t moisture_pin;
+extern  float htu21d_hum;
-extern  uint8_t moisture_vcc;
+
-extern  uint16_t moisture_voltage;
 
 static void
 res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
 {
-  int a=0;
-  for(a=0;a<10;a++){
-   digitalWrite(moisture_vcc, HIGH);  
-   digitalWrite(moisture_vcc, LOW);
-  }
-  digitalWrite(moisture_vcc, HIGH);  
-  moisture_voltage = analogRead(moisture_pin);
-  digitalWrite(moisture_vcc, LOW);
   
   unsigned int accept = -1;
   REST.get_header_accept(request, &accept);
 
   if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
     REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
-    snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", moisture_voltage);
+    snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%f", htu21d_hum);
 
     REST.set_response_payload(response, buffer, strlen((char *)buffer));
   } else if(accept == REST.type.APPLICATION_JSON) {
     REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
-    snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'moisture':%d}", moisture_voltage);
+    snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'moisture':%f}", htu21d_hum);
 
     REST.set_response_payload(response, buffer, strlen((char *)buffer));
   } else {

examples/osd/arduino-climate3/resources/res-htu21dtemp.c

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
+ * 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.
+ */
+
+/**
+ * \file
+ *      Moisture resource
+ * \author
+ *      Harald Pichler <harald@the-develop.net>
+ */
+
+#include "contiki.h"
+
+#include <string.h>
+#include "rest-engine.h"
+#include "Arduino.h"
+
+static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
+
+/* A simple getter example. Returns the reading from the sensor with a simple etag */
+RESOURCE(res_htu21dtemp,
+         "title=\"Moisture status\";rt=\"Moisture\"",
+         res_get_handler,
+         NULL,
+         NULL,
+         NULL);
+
+extern  float htu21d_temp;
+
+static void
+res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
+{
+  
+  unsigned int accept = -1;
+  REST.get_header_accept(request, &accept);
+
+  if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
+    REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
+    snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%f", htu21d_temp);
+
+    REST.set_response_payload(response, buffer, strlen((char *)buffer));
+  } else if(accept == REST.type.APPLICATION_JSON) {
+    REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
+    snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'moisture':%f}", htu21d_temp);
+
+    REST.set_response_payload(response, buffer, strlen((char *)buffer));
+  } else {
+    REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
+    const char *msg = "Supporting content-types text/plain and application/json";
+    REST.set_response_payload(response, msg, strlen(msg));
+  }
+}

examples/osd/arduino-climate3/sketch.pde

@@ -11,16 +11,19 @@
  */
 
 #include <Wire.h>
+#include "Adafruit_HTU21DF.h"
 
 extern "C" {
 
-#include "Adafruit_HTU21DF.h"
+
 #include "rest-engine.h"
 
-extern resource_t res_moisture, res_battery;
+Adafruit_HTU21DF htu = Adafruit_HTU21DF();
-uint8_t moisture_pin = A5;
+
-uint8_t moisture_vcc = 19;
+extern resource_t res_htu21dtemp, res_htu21dhum, res_battery;
-uint16_t moisture_voltage = 0;
+
+float htu21d_hum;
+float htu21d_temp;
 
 #define LED_PIN 4
 }
@@ -30,16 +33,23 @@ void setup (void)
     // switch off the led
     pinMode(LED_PIN, OUTPUT);
     digitalWrite(LED_PIN, HIGH);
-    // init moisture sensor
+    // htu21d sensor
-    pinMode(moisture_vcc, OUTPUT);
+    if (!htu.begin()) {
-    digitalWrite(moisture_vcc, LOW);
+      printf("Couldn't find sensor!");
+    }
     // init coap resourcen
     rest_init_engine ();
-    rest_activate_resource (&res_moisture, "s/moisture");
+    rest_activate_resource (&res_htu21dtemp, "s/temp");
+    rest_activate_resource (&res_htu21dhum, "s/hum");
     rest_activate_resource (&res_battery, "s/battery");
 }
 
+// at project-conf.h
+// LOOP_INTERVAL		(10 * CLOCK_SECOND)
 void loop (void)
 {
-
+      htu21d_temp = htu.readTemperature();
+      htu21d_hum = htu.readHumidity();
+	  printf("Temp: %f",htu21d_temp);
+      printf("\t\tHum: %f",htu21d_hum);
 }