Added links to the ArduinoJson assistant (issue #513)

examples/JsonGeneratorExample/JsonGeneratorExample.ino

@@ -17,13 +17,13 @@ void setup() {
   //
   // Inside the brackets, 200 is the size of the pool in bytes.
   // If the JSON object is more complex, you need to increase that value.
+  // See https://bblanchon.github.io/ArduinoJson/assistant/
   StaticJsonBuffer<200> jsonBuffer;
 
   // StaticJsonBuffer allocates memory on the stack, it can be
   // replaced by DynamicJsonBuffer which allocates in the heap.
-  // It's simpler but less efficient.
   //
-  // DynamicJsonBuffer  jsonBuffer;
+  // DynamicJsonBuffer  jsonBuffer(200);
 
   // Create the root of the object tree.
   //

examples/JsonHttpClient/JsonHttpClient.ino

@@ -135,7 +135,7 @@ bool skipResponseHeaders() {
 // }
 bool readReponseContent(struct UserData* userData) {
   // Compute optimal size of the JSON buffer according to what we need to parse.
-  // This is only required if you use StaticJsonBuffer.
+  // See https://bblanchon.github.io/ArduinoJson/assistant/
   const size_t BUFFER_SIZE =
       JSON_OBJECT_SIZE(8)    // the root object has 8 elements
       + JSON_OBJECT_SIZE(5)  // the "address" object has 5 elements

examples/JsonParserExample/JsonParserExample.ino

@@ -17,13 +17,13 @@ void setup() {
   //
   // Inside the brackets, 200 is the size of the pool in bytes,
   // If the JSON object is more complex, you need to increase that value.
+  // See https://bblanchon.github.io/ArduinoJson/assistant/
   StaticJsonBuffer<200> jsonBuffer;
 
   // StaticJsonBuffer allocates memory on the stack, it can be
   // replaced by DynamicJsonBuffer which allocates in the heap.
-  // It's simpler but less efficient.
   //
-  // DynamicJsonBuffer  jsonBuffer;
+  // DynamicJsonBuffer  jsonBuffer(200);
 
   // JSON input string.
   //

examples/JsonServer/JsonServer.ino

@@ -2,9 +2,9 @@
 // Created by Benoit Blanchon.
 // Heavily inspired by "Web Server" from David A. Mellis and Tom Igoe
 
-#include <SPI.h>
-#include <Ethernet.h>
 #include <ArduinoJson.h>
+#include <Ethernet.h>
+#include <SPI.h>
 
 byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
 IPAddress ip(192, 168, 0, 177);
@@ -64,6 +64,8 @@ void loop() {
   if (client) {
     bool success = readRequest(client);
     if (success) {
+      // Use https://bblanchon.github.io/ArduinoJson/assistant/ to
+      // compute the right size for the buffer
       StaticJsonBuffer<500> jsonBuffer;
       JsonObject& json = prepareResponse(jsonBuffer);
       writeResponse(client, json);

examples/JsonUdpBeacon/JsonUdpBeacon.ino

@@ -49,6 +49,8 @@ void setup() {
 void loop() {
   delay(1000);
 
+  // Use https://bblanchon.github.io/ArduinoJson/assistant/ to
+  // compute the right size for the buffer
   StaticJsonBuffer<300> jsonBuffer;
   JsonObject& json = buildJson(jsonBuffer);
   sendJson(json);