Firmata Messages : Outgoing

Following my previous post about incoming messages of the firmata protocol now it is time to present you with the outgoing messages of the protocol. As you can see in the following picture the number of messages is quite big.

The new 2.2 protocol has a lot of new functionality added. For example we have the new Pin State Query, Analog Mapping Query, Capability Query and Extended Analog messages. These make it very easy to create programs on the host (PC,Phone) side that can talk to arbitrary devices and have a complete overview of the device capabilities and current state.

Firmata Outgoing Messages

All the outgoing messages of Firmata Protocol 2.2

Now that I have finished with the implementation of the message handling I will be posting a few things about the Sharpduino library and its new architecture. Within this month I am expecting to have a new version published on the google code page. It will be fully functional with an ArduinoUno by using the higher level library. You can also use the lower level library to communicate with every Firmata enabled device but you will have to do some more coding.

4 thoughts on “Firmata Messages : Outgoing

  1. Hi, thanks for the info but I have not been able to decipher as it should be the structure of a message to be sent by the port would be the Arduino, you can give me an example, I want to control two servo motors.
    thank you very much

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