You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
2.1 KiB
78 lines
2.1 KiB
3 years ago
|
// ArduinoJson - https://arduinojson.org
|
||
|
|
// Copyright Benoit Blanchon 2014-2021
|
||
|
|
// MIT License
|
||
|
|
//
|
||
|
|
// This example shows how to generate a JSON document with ArduinoJson.
|
||
|
|
//
|
||
|
|
// https://arduinojson.org/v6/example/generator/
|
||
|
|
|
||
|
|
#include <ArduinoJson.h>
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
// Initialize Serial port
|
||
|
|
Serial.begin(9600);
|
||
|
|
while (!Serial) continue;
|
||
|
|
|
||
|
|
// 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);
|
||
|
|
|
||
|
|
// 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 the Serial port.
|
||
|
|
//
|
||
|
|
serializeJson(doc, Serial);
|
||
|
|
// The above line prints:
|
||
|
|
// {"sensor":"gps","time":1351824120,"data":[48.756080,2.302038]}
|
||
|
|
|
||
|
|
// Start a new line
|
||
|
|
Serial.println();
|
||
|
|
|
||
|
|
// Generate the prettified JSON and send it to the Serial port.
|
||
|
|
//
|
||
|
|
serializeJsonPretty(doc, Serial);
|
||
|
|
// The above line prints:
|
||
|
|
// {
|
||
|
|
// "sensor": "gps",
|
||
|
|
// "time": 1351824120,
|
||
|
|
// "data": [
|
||
|
|
// 48.756080,
|
||
|
|
// 2.302038
|
||
|
|
// ]
|
||
|
|
// }
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
// not used in this example
|
||
|
|
}
|
||
|
|
|
||
|
|
// See also
|
||
|
|
// --------
|
||
|
|
//
|
||
|
|
// https://arduinojson.org/ contains the documentation for all the functions
|
||
|
|
// used above. It also includes an FAQ that will help you solve any
|
||
|
|
// serialization problem.
|
||
|
|
//
|
||
|
|
// The book "Mastering ArduinoJson" contains a tutorial on serialization.
|
||
|
|
// It begins with a simple example, like the one above, and then adds more
|
||
|
|
// features like serializing directly to a file or an HTTP request.
|
||
|
|
// Learn more at https://arduinojson.org/book/
|
||
|
|
// Use the coupon code TWENTY for a 20% discount ❤❤❤❤❤
|