add rfid resources

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

@@ -36,6 +36,9 @@
 //#define PLATFORM_HAS_BUTTON  1
 #define PLATFORM_HAS_BATTERY 1
 
+
+#define LOOP_INTERVAL		(30 * CLOCK_SECOND)
+
 /* Save energy */
 //#define RDC_CONF_PT_YIELD_OFF
 

examples/osd/arduino-merkurboard/sketch.pde

@@ -34,12 +34,11 @@ void setup (void)
     rest_activate_resource (&res_cputemp, "s/cputemp");
     
  //   NETSTACK_MAC.off(1);
- //   mcu_sleep_set(48);
+    mcu_sleep_set(128);
 }
 
 void loop (void)
 {
-	mcu_sleep_off();
 
-	mcu_sleep_on();
+
 }

examples/osd/arduino-rfid-rc522/resources/res-event.c

@@ -0,0 +1,118 @@
+/*
+ * 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
+ *      Example resource
+ * \author
+ *      Matthias Kovatsch <kovatsch@inf.ethz.ch>
+ */
+
+#include <string.h>
+#include "rest-engine.h"
+#include "er-coap.h"
+#include "dev/button-sensor.h"
+#include "Arduino.h"
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#define PRINTF(...) printf(__VA_ARGS__)
+#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
+#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]", (lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3], (lladdr)->addr[4], (lladdr)->addr[5])
+#else
+#define PRINTF(...)
+#define PRINT6ADDR(addr)
+#define PRINTLLADDR(addr)
+#endif
+
+static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
+static void res_event_handler(void);
+
+/*
+ * Example for an event resource.
+ * Additionally takes a period parameter that defines the interval to call [name]_periodic_handler().
+ * A default post_handler takes care of subscriptions and manages a list of subscribers to notify.
+ */
+EVENT_RESOURCE(res_event,
+               "title=\"Event demo\";obs",
+               res_get_handler,
+               NULL,
+               NULL,
+               NULL,
+               res_event_handler);
+
+/*
+ * Use local resource state that is accessed by res_get_handler() and altered by res_event_handler() or PUT or POST.
+ */
+static int32_t event_counter = 0;
+// Init array that will store new NUID
+extern byte nuidPICC[4];
+
+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);
+    REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "NUID %02X%02X%02X%02X",nuidPICC[0],nuidPICC[1],nuidPICC[2],nuidPICC[3]));
+  } else if(accept == REST.type.APPLICATION_JSON) {
+    REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
+    REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "{\"NUID\": \"%02X%02X%02X%02X\"}",nuidPICC[0],nuidPICC[1],nuidPICC[2],nuidPICC[3]));
+  } else {
+    REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
+    REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "Supporting content-types text/plain and application/json"));
+  }
+
+  /* A post_handler that handles subscriptions/observing will be called for periodic resources by the framework. */
+	
+	// tell client when to schedule re-registration: 1 Hour
+	REST.set_header_max_age(response, /* uint32_t, Seconds */ 3600);
+}
+/*
+ * Additionally, res_event_handler must be implemented for each EVENT_RESOURCE.
+ * It is called through <res_name>.trigger(), usually from the server process.
+ */
+static void
+res_event_handler(void)
+{
+  /* Do the update triggered by the event here, e.g., sampling a sensor. */
+  ++event_counter;
+
+  /* Usually a condition is defined under with subscribers are notified, e.g., event was above a threshold. */
+  if(1) {
+    PRINTF("TICK %u for /%s\n", event_counter, res_event.url);
+
+    /* Notify the registered observers which will trigger the res_get_handler to create the response. */
+    REST.notify_subscribers(&res_event);
+  }
+}

examples/osd/arduino-rfid-rc522/resources/res-separate.c

@@ -0,0 +1,127 @@
+/*
+ * 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
+ *      Example resource
+ * \author
+ *      Matthias Kovatsch <kovatsch@inf.ethz.ch>
+ */
+
+#include <string.h>
+#include "rest-engine.h"
+#include "er-coap-separate.h"
+#include "er-coap-transactions.h"
+
+static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
+static void res_resume_handler(void);
+
+SEPARATE_RESOURCE(res_separate,
+                  "title=\"Separate demo\"",
+                  res_get_handler,
+                  NULL,
+                  NULL,
+                  NULL,
+                  res_resume_handler);
+
+/* A structure to store the information required for the separate handler */
+typedef struct application_separate_store {
+
+  /* Provided by Erbium to store generic request information such as remote address and token. */
+  coap_separate_t request_metadata;
+
+  /* Add fields for addition information to be stored for finalizing, e.g.: */
+  char buffer[16];
+} application_separate_store_t;
+
+#define COAP_MAX_OPEN_SEPARATE   2
+
+static uint8_t separate_active = 0;
+static application_separate_store_t separate_store[COAP_MAX_OPEN_SEPARATE];
+
+static void
+res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
+{
+  /*
+   * Example allows only one open separate response.
+   * For multiple, the application must manage the list of stores.
+   */
+  if(separate_active >= COAP_MAX_OPEN_SEPARATE) {
+    coap_separate_reject();
+  } else {
+    ++separate_active;
+
+    /* Take over and skip response by engine. */
+    coap_separate_accept(request, &separate_store->request_metadata);
+    /* Be aware to respect the Block2 option, which is also stored in the coap_separate_t. */
+
+    /*
+     * At the moment, only the minimal information is stored in the store (client address, port, token, MID, type, and Block2).
+     * Extend the store, if the application requires additional information from this handler.
+     * buffer is an example field for custom information.
+     */
+    snprintf(separate_store->buffer, sizeof(separate_store->buffer), "StoredInfo");
+  }
+}
+static void
+res_resume_handler()
+{
+  if(separate_active) {
+    coap_transaction_t *transaction = NULL;
+    if((transaction = coap_new_transaction(separate_store->request_metadata.mid, &separate_store->request_metadata.addr, separate_store->request_metadata.port))) {
+      coap_packet_t response[1]; /* This way the packet can be treated as pointer as usual. */
+
+      /* Restore the request information for the response. */
+      coap_separate_resume(response, &separate_store->request_metadata, REST.status.OK);
+
+      coap_set_payload(response, separate_store->buffer, strlen(separate_store->buffer));
+
+      /*
+       * Be aware to respect the Block2 option, which is also stored in the coap_separate_t.
+       * As it is a critical option, this example resource pretends to handle it for compliance.
+       */
+      coap_set_header_block2(response, separate_store->request_metadata.block2_num, 0, separate_store->request_metadata.block2_size);
+
+      /* Warning: No check for serialization error. */
+      transaction->packet_len = coap_serialize_message(response, transaction->packet);
+      coap_send_transaction(transaction);
+      /* The engine will clear the transaction (right after send for NON, after acked for CON). */
+
+      /* FIXME there could me more! */
+      separate_active = 0;
+    } else {
+      /*
+       * Set timer for retry, send error message, ...
+       * The example simply waits for another button press.
+       */
+    }
+  } /* if (separate_active) */
+}

examples/osd/arduino-rfid-rc522/sketch.pde

@@ -44,7 +44,12 @@ extern "C" {
 #include "rest-engine.h"
 #include "net/netstack.h"
 
-extern resource_t res_led, res_battery, res_cputemp;
+extern resource_t 
+	res_led,
+	res_event,
+    res_separate,
+	res_battery, 
+	res_cputemp;
 
 uint8_t led_pin=4;
 uint8_t led_status;
@@ -61,7 +66,7 @@ MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class
 MFRC522::MIFARE_Key key;
 
 // Init array that will store new NUID
-byte nuidPICC[3];
+byte nuidPICC[4];
 
 void setup (void)
 {
@@ -78,9 +83,10 @@ void setup (void)
     }
     // init coap resourcen
     rest_init_engine ();
-    rest_activate_resource (&res_led, "s/led");
+    rest_activate_resource (&res_led,     "s/led");
     rest_activate_resource (&res_battery, "s/battery");
     rest_activate_resource (&res_cputemp, "s/cputemp");
+    rest_activate_resource (&res_event,   "s/rfid");
     
  //   NETSTACK_MAC.off(1);
 }
@@ -105,6 +111,15 @@ void printDec(byte *buffer, byte bufferSize) {
   }
 }
 
+void coap_rfid (void)
+{
+      /* Call the event_handler for this application-specific event. */
+      res_event.trigger();
+
+      /* Also call the separate response example handler. */
+      res_separate.resume();
+}
+
 void loop (void)
 {
   // Look for new cards
@@ -136,7 +151,7 @@ void loop (void)
     for (byte i = 0; i < 4; i++) {
       nuidPICC[i] = rfid.uid.uidByte[i];
     }
-   
+    coap_rfid();
     Serial1.println(F("The NUID tag is:"));
     Serial1.print(F("In hex: "));
     printHex(rfid.uid.uidByte, rfid.uid.size);