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43 lines
1.1 KiB
43 lines
1.1 KiB
// ArduinoJson - https://arduinojson.org |
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// Copyright © 2014-2024, Benoit BLANCHON |
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// MIT License |
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// |
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// This example shows how to deserialize a JSON document with ArduinoJson. |
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#include <iostream> |
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#include "ArduinoJson.h" |
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int main() { |
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// Allocate the JSON document |
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JsonDocument doc; |
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// JSON input string |
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const char* json = |
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"{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}"; |
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// Deserialize the JSON document |
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DeserializationError error = deserializeJson(doc, json); |
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// Test if parsing succeeds |
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if (error) { |
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std::cerr << "deserializeJson() failed: " << error.c_str() << std::endl; |
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return 1; |
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} |
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// Fetch the values |
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// |
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// Most of the time, you can rely on the implicit casts. |
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// In other case, you can do doc["time"].as<long>(); |
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const char* sensor = doc["sensor"]; |
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long time = doc["time"]; |
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double latitude = doc["data"][0]; |
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double longitude = doc["data"][1]; |
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// Print the values |
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std::cout << sensor << std::endl; |
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std::cout << time << std::endl; |
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std::cout << latitude << std::endl; |
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std::cout << longitude << std::endl; |
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return 0; |
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}
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