/* JSON Kitchen Sink This sketch demonstrates how to use various features of the Official Arduino_JSON library. This example code is in the public domain. */ #include void setup() { Serial.begin(9600); while (!Serial); // boolean booleanDemo(); intDemo(); doubleDemo(); stringDemo(); arrayDemo(); objectDemo(); } void loop() { } void booleanDemo() { Serial.println("boolean"); Serial.println("======="); JSONVar myBoolean = true; Serial.print("JSON.typeof(myBoolean) = "); Serial.println(JSON.typeof(myBoolean)); // prints: boolean Serial.print("myBoolean = "); Serial.println(myBoolean); // prints: true myBoolean = false; Serial.print("myBoolean = "); Serial.println((boolean) myBoolean); // prints: 0 Serial.println(); } void intDemo() { Serial.println("int"); Serial.println("==="); JSONVar myInt = 42; Serial.print("JSON.typeof(myInt) = "); Serial.println(JSON.typeof(myInt)); // prints: number Serial.print("myInt = "); Serial.println(myInt); // prints: 42 myInt = 4242; Serial.print("myInt = "); Serial.println((int) myInt); // prints: 4242 Serial.println(); } void doubleDemo() { Serial.println("double"); Serial.println("======"); JSONVar myDouble = 42.5; Serial.print("JSON.typeof(myDouble) = "); Serial.println(JSON.typeof(myDouble)); // prints: number Serial.print("myDouble = "); Serial.println(myDouble); // prints: 42.5 myDouble = 4242.4242; Serial.print("myDouble = "); Serial.println((double) myDouble, 4); // prints: 4242.4242 Serial.println(); } void stringDemo() { Serial.println("string"); Serial.println("======"); JSONVar myString = "Hello World!"; Serial.print("JSON.typeof(myString) = "); Serial.println(JSON.typeof(myString)); // prints: string Serial.print("myString = "); Serial.println(myString); // prints: Hello World! myString = ":)"; Serial.print("myString = "); Serial.println((const char*) myString); // prints: :) Serial.println(); } void arrayDemo() { Serial.println("array"); Serial.println("====="); JSONVar myArray; myArray[0] = 42; Serial.print("JSON.typeof(myArray) = "); Serial.println(JSON.typeof(myArray)); // prints: array Serial.print("myArray = "); Serial.println(myArray); // prints: [42] Serial.print("myArray[0] = "); Serial.println((int)myArray[0]); // prints: 42 myArray[1] = 42.5; Serial.print("myArray = "); Serial.println(myArray); // prints: [42,42.5] Serial.print("myArray[1] = "); Serial.println((double)myArray[1]); // prints: 42.50 Serial.println(); } void objectDemo() { Serial.println("object"); Serial.println("======"); JSONVar myObject; myObject["foo"] = "bar"; Serial.print("JSON.typeof(myObject) = "); Serial.println(JSON.typeof(myObject)); // prints: object Serial.print("myObject.keys() = "); Serial.println(myObject.keys()); // prints: ["foo"] Serial.print("myObject = "); Serial.println(myObject); // prints: {"foo":"bar"} myObject["blah"]["abc"] = 42; Serial.print("myObject.keys() = "); Serial.println(myObject.keys()); // prints: ["foo","blah"] Serial.print("myObject = "); Serial.println(myObject); // prints: {"foo":"bar","blah":{"abc":42}} }