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MicroDexed/third-party/ArduinoJson/extras/scripts/wandbox/JsonGeneratorExample.cpp

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1.5 KiB

// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
//
// This example shows how to generate a JSON document with ArduinoJson.
#include <iostream>
#include "ArduinoJson.h"
int main() {
// Allocate the JSON document
//
// Inside the brackets, 200 is the RAM allocated to this document.
// Don't forget to change this value to match your requirement.
// Use https://arduinojson.org/v6/assistant to compute the capacity.
StaticJsonDocument<200> doc;
// StaticJsonObject allocates memory on the stack, it can be
// replaced by DynamicJsonDocument which allocates in the heap.
//
// DynamicJsonDocument doc(200);
// StaticJsonObject allocates memory on the stack, it can be
// replaced by DynamicJsonDocument which allocates in the heap.
//
// DynamicJsonDocument doc(200);
// Add values in the document
//
doc["sensor"] = "gps";
doc["time"] = 1351824120;
// Add an array.
//
JsonArray data = doc.createNestedArray("data");
data.add(48.756080);
data.add(2.302038);
// Generate the minified JSON and send it to STDOUT
//
serializeJson(doc, std::cout);
// The above line prints:
// {"sensor":"gps","time":1351824120,"data":[48.756080,2.302038]}
// Start a new line
std::cout << std::endl;
// Generate the prettified JSON and send it to STDOUT
//
serializeJsonPretty(doc, std::cout);
// The above line prints:
// {
// "sensor": "gps",
// "time": 1351824120,
// "data": [
// 48.756080,
// 2.302038
// ]
// }
}