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61 lines
1.6 KiB
61 lines
1.6 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 MessagePack document with |
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// ArduinoJson. |
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// |
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// https://arduinojson.org/v7/example/msgpack-parser/ |
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#include <ArduinoJson.h> |
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void setup() { |
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// Initialize serial port |
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Serial.begin(9600); |
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while (!Serial) |
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continue; |
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// Allocate the JSON document |
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JsonDocument doc; |
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// The MessagePack input string |
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uint8_t input[] = {131, 166, 115, 101, 110, 115, 111, 114, 163, 103, 112, 115, |
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164, 116, 105, 109, 101, 206, 80, 147, 50, 248, 164, 100, |
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97, 116, 97, 146, 203, 64, 72, 96, 199, 58, 188, 148, |
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112, 203, 64, 2, 106, 146, 230, 33, 49, 169}; |
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// This MessagePack document contains: |
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// { |
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// "sensor": "gps", |
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// "time": 1351824120, |
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// "data": [48.75608, 2.302038] |
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// } |
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// Parse the input |
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DeserializationError error = deserializeMsgPack(doc, input); |
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// Test if parsing succeeded |
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if (error) { |
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Serial.print("deserializeMsgPack() failed: "); |
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Serial.println(error.f_str()); |
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return; |
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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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Serial.println(sensor); |
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Serial.println(time); |
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Serial.println(latitude, 6); |
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Serial.println(longitude, 6); |
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} |
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void loop() { |
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// not used in this example |
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}
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