bblanchon/ArduinoJson
1
0
Fork 1
mirror of https://github.com/bblanchon/ArduinoJson.git synced 2025-07-29 10:17:39 +02:00
Code Issues Packages Projects Releases Wiki Activity

Remove mentions of the zero-copy mode

Browse Source
This commit is contained in:
Benoit Blanchon
2023-08-19 16:05:04 +02:00
parent 51c5f1a73a
commit 7bd2ea1072
7 changed files with 16 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
extras/scripts/wandbox/JsonParserExample.cpp
View File

@ -9,33 +9,22 @@
int main() {
// Allocate the JSON document
//
// Inside the parentheses, 200 is the capacity of the memory pool in bytes.
// Don't forget to change this value to match your JSON document.
// Use https://arduinojson.org/v6/assistant to compute the capacity.
JsonDocument doc;
// JSON input string.
//
// Using a char[], as shown here, enables the "zero-copy" mode. This mode uses
// the minimal amount of memory because the JsonDocument stores pointers to
// the input buffer.
// If you use another type of input, ArduinoJson must copy the strings from
// the input to the JsonDocument, so you need to increase the capacity of the
// JsonDocument.
char json[] =
// JSON input string
const char* json =
"{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
// Deserialize the JSON document
DeserializationError error = deserializeJson(doc, json);
// Test if parsing succeeds.
// Test if parsing succeeds
if (error) {
std::cerr << "deserializeJson() failed: " << error.c_str() << std::endl;
return 1;
}
// Fetch values.
// Fetch the values
//
// Most of the time, you can rely on the implicit casts.
// In other case, you can do doc["time"].as<long>();
@ -44,7 +33,7 @@ int main() {
double latitude = doc["data"][0];
double longitude = doc["data"][1];
// Print values.
// Print the values
std::cout << sensor << std::endl;
std::cout << time << std::endl;
std::cout << latitude << std::endl;