initial upload

examples/osd/opentrigger-board/resources/res-rgb.c

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+/*
+ * 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
+ *      rgb resource
+ * \author
+ *      Harald Pichler <harald@the-develop.net>
+ */
+
+#include "contiki.h"
+
+#include <string.h>
+#include "rest-engine.h"
+#include "Arduino.h"
+#include "sketch.h"
+
+extern uint8_t color_rgb [3];
+
+static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
+static void res_post_put_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_rgb,
+         "title=\"LED: , POST/PUT mode=on|off\";rt=\"Control\"",
+         res_get_handler,
+         res_post_put_handler,
+         res_post_put_handler,
+         NULL);
+
+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, "%d %d %d",color_rgb [0],color_rgb [1],color_rgb [2] );
+
+    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, "{'r':%d\n,'g':%d\n,'b':%d}",color_rgb [0],color_rgb [1],color_rgb [2]);
+
+    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));
+  }
+}
+
+static void
+res_post_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
+{
+  size_t len = 0;
+  const char *valr = NULL;
+  const char *valg = NULL;
+  const char *valb = NULL;
+  int success = 1;
+
+  if(success && (len = REST.get_post_variable(request, "r", &valr))) {
+    if(len != 0) {
+
+    } else {
+      success = 0;
+    }
+    if(success && (len = REST.get_post_variable(request, "g", &valg))) {
+      if(len != 0) {
+
+      } else {
+        success = 0;
+      }
+    }
+    if(success && (len = REST.get_post_variable(request, "b", &valb))) {
+      if(len != 0) {
+
+      } else {
+        success = 0;
+      }
+    }
+    if((success) && !color_rgb_from_string (valr, valg, valb)) {
+      
+    }
+  } else {
+    success = 0;
+  } if(!success) {
+    REST.set_response_status(response, REST.status.BAD_REQUEST);
+  }
+}

examples/osd/opentrigger-board/sketch.h

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+#ifndef __SKETCH_h__
+#define __SKETCH_h__
+
+int color_rgb_from_string (const char *r, const char *g, const char *b);
+
+#endif