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We are trying to make an app that generates an Arduino sketch (.ino) using Google's Blockly and node.js, and uploads it to Arduino.

Even after searching a lot, I am unable to find how to build and upload the generated code to the board. Is there any tool or API available for node.js to do the same?

Or could I call some binary for this function. Please help.

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The tool for uploading to an Arduino is "avrdude", it's a command line application that Arduino uses in the background. I'm quote dure you can invoke/run it from nodejs – Paul Jan 13 at 6:00
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There is also arduino-builder.exe command line tool in Arduino IDE (since 1.6.6) so you can build and upload sketch programmatically. – KIIV Jan 13 at 8:00
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Or you can install Sudar Muthu's Arduino Makefile (package arduino-mk on Debian-bases OSes), then just require("child_process").exec("make upload", callback);. – Edgar Bonet Jan 13 at 8:37
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There are two things you need to do:

  1. Compile the sketch into a .HEX file
  2. Upload the sketch to the board

The first part can be done with arduino-builder which is part of the IDE since 1.6.6, or you can use one of various Makefile projects on a platform that supports make, or you can manually script it yourself calling the correct avr-gcc and avr-g++ commands. You can check the output of the IDE for what those are.

The second part is done, usually, using avrdude - again see the output of the IDE for the correct command format.

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Thanks a lot.. Also can I package only the required files/folders from the Arduino IDE into my software (without any license issues)? – siddhesh.nachane Jan 16 at 5:26

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