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Added StaticJsonDocument and DynamicJsonDocument.

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Removed StaticJsonArray and DynamicJsonArray.
Removed StaticJsonObject and DynamicJsonObject.
Removed StaticJsonVariant and DynamicJsonVariant.
This commit is contained in:
Benoit Blanchon
2018-04-17 21:27:45 +02:00
parent a13b9e8bdc
commit 1feb92679d
100 changed files with 1696 additions and 1844 deletions
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22
examples/JsonParserExample/JsonParserExample.ino
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@@ -16,12 +16,12 @@ void setup() {
// Inside the brackets, 200 is the size of the memory pool in bytes.
// Don't forget to change this value to match your JSON document.
// Use arduinojson.org/assistant to compute the capacity.
StaticJsonObject<200> root;
StaticJsonDocument<200> doc;
// StaticJsonObject allocates memory on the stack, it can be
// StaticJsonDocument<N> allocates memory on the stack, it can be
// replaced by DynamicJsonObject which allocates in the heap.
//
// DynamicJsonObject root(200);
// DynamicJsonObject doc(200);
// JSON input string.
//
@@ -31,23 +31,23 @@ void setup() {
char json[] =
"{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
// Root of the object tree.
//
// It's a reference to the JsonObject, the actual bytes are inside the
// JsonBuffer with all the other nodes of the object tree.
// Memory is freed when jsonBuffer goes out of scope.
JsonError error = deserializeJson(root, json);
// Deserialize the JSON document
JsonError error = deserializeJson(doc, json);
// Test if parsing succeeds.
if (error) {
Serial.println("deserializeJson() failed");
Serial.print(F("deserializeJson() failed: "));
Serial.println(error.c_str());
return;
}
// Get the root object in the document
JsonObject& root = doc.as<JsonObject>();
// Fetch values.
//
// Most of the time, you can rely on the implicit casts.
// In other case, you can do root["time"].as<long>();
// In other case, you can do doc["time"].as<long>();
const char* sensor = root["sensor"];
long time = root["time"];
double latitude = root["data"][0];