![]() ![]() WifiBotControlCC3000:200: error: invalid operands of types ‘const char ’ and ‘char*’ to binary ‘operator+’Īny help would be greatly appreciated. WifiBotControlCC3000:198: error: invalid operands of types ‘const char ’ and ‘char*’ to binary ‘operator+’ WifiBotControlCC3000:196: error: no matching function for call to ‘aJsonClass::parse(String&)’Ĭ:\Users\tjohnson\Documents\Arduino\libraries\aJson/aJSON.h:179: note: candidates are: aJsonObject* aJsonClass::parse(aJsonStream*)Ĭ:\Users\tjohnson\Documents\Arduino\libraries\aJson/aJSON.h:180: note: aJsonObject* aJsonClass::parse(aJsonStream*, char**)Ĭ:\Users\tjohnson\Documents\Arduino\libraries\aJson/aJSON.h:181: note: aJsonObject* aJsonClass::parse(char*) WifiBotControlCC3000.ino: In function ‘void loop()’: However, when I compile my code it is not working. I’ve installed the library and the example “Json_example” works great. I would love to use this code, it would definitely save me a lot of time, but it’s not compiling. Post navigation ← Accessing YQL from Arduino URL Encoding in Arduino → This entry was posted in Tutorials and tagged Arduino, JSON on Augby Sudar. I will propose next a way that I’ve found much easier to manage. Or even create your own protocol saying that it will look like: t23.5 h34. It requires to iterate through the string and isolate information we want or adjust the Serial.print() on Arduino side. ![]() ![]() Let me know if you have done something cool with this library. But a string like that does not seem convenient to manage. Will write about it in detail once I get this to work. I have not managed to get this feature to work yet. This feature is again very useful, if you are running out of space. In addition to parsing strings, the library also has the ability to parse streams directly without storing them first. This feature is very useful, if you have to parse a huge JSON object and you have less memory to spare. You can pass an optional filter parameter to the parse method, which ignores the list of keys present in the filter array. Manipulating JSON ObjectsĪfter you create a JSON object, either by parsing a JSON string or by creating a JSON object, the library allows you to manipulate these JSON objects. In addition to the above features aJson also supports the following advanced features. Update: This sketch is now part of examples that ships with the aJson library. It supports JSON serialization, JSON deserialization, MessagePack, streams, and fixed memory allocation. I am also going to contact the author of the library to see if this can be added to the examples sketches of the library. ArduinoJson is a JSON library for Arduino, IoT, and any embedded C++ project. This JSON string is actually a response of a YQL call. I have created a complete sketch that parses a complex nested JSON string. AJson.addItemToObject(root, "name", aJson.createString("Sudar Muthu")) ĪJson.addItemToObject(root, "online presence", online = aJson.createObject()) ĪJson.addStringToObject(online,"twitter", "sudarmuthu") ĪJson.addStringToObject(online,"github", "sudar") ĪJson.addStringToObject(online,"hobby", "") Full working example ![]()
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