Writing code for Arduino poses unique challenges. A developer 1) needs hardware-specific knowledge about the interface configuration between the Arduino controller and the I/Ohardware, 2) identifies a suitable driver library for the I/O hardware, and 3) follows certain usage patterns of the driver library in order to use them properly. In this work, based on a study of real-world user queries posted in the Arduino forum, we propose ArduinoProg to address such challenges. ArduinoProg consists of three components, i.e., Library Retriever, Configuration Classifier, and Pattern Generator. Given a query, Library Retriever retrieves library names relevant to the I/O hardware identified from the query using vector-based similarity matching. Configuration Classifier predicts the interface configuration between the I/O hardware and the Arduino controller based on the method definitions of each library. Pattern Generator generates the usage pattern of a library using a sequence-to-sequence deep learning model. We have evaluated ArduinoProg using real-world queries, and our results show that the components of ArduinoProg can generate accurate and useful suggestions to guide developers in writing Arduino code. Demo video: bit.ly/3Y3aeBe Tool: https://huggingface.co/spaces/imamnurby/ArduinoProg Code and data: https://github.com/imamnurby/ArduProg

An embedded system is a system consisting of software code, controller hardware, and I/O (Input/Output) hardware that performs a specific task. Developing an embedded system presents several challenges. First, the development often involves configuring hardware that requires domain-specific knowledge. Second, the library for the hardware may have API usage patterns that must be followed. To overcome such challenges, we propose a framework called ArduinoProg towards the automatic generation of Arduino applications. ArduinoProg takes a natural language query as input and outputs the configuration and API usage pattern for the hardware described in the query. Motivated by our findings on the characteristics of real-world queries posted in the official Arduino forum, we formulate ArduinoProg as three components, i.e., Library Retriever, Configuration Classifier, and Pattern Generator. First, Library Retriever preprocesses the input query and retrieves a set of relevant libraries using either lexical matching or vector-based similarity. Second, given Library Retriever’s output, Configuration Classifier infers the hardware configuration by classifying the method definitions found in the library’s implementation files into a hardware configuration class. Third, Pattern Generator also takes Library Retriever’s output as input and leverages a sequence-to-sequence model to generate the API usage pattern. Having instantiated each component of ArduinoProg with various machine learning models, we have evaluated ArduinoProg on real-world queries. Library Retriever achieves a Precision@K range of 44.0%-97.1%; Configuration Classifier achieves an Area under the Receiver Operating Characteristics curve (AUC) of 0.79-0.95; Pattern Generator yields a Normalized Discounted Cumulative Gain (NDCG)@K of 0.45-0.73. Such results indicate that ArduinoProg can generate practical and useful hardware configurations and API usage patterns to guide developers in writing Arduino code.

Trigger Action Programs (TAPs) are event-driven rules that allow users to automate smart-devices and internet services. Users can write TAPs by specifying triggers and actions from a set of predefined channels and functions. Despite its simplicity, composing TAPs can still be challenging for users due to the enormous search space of available triggers and actions. The growing popularity of TAPs is followed by the increasing number of supported devices and services, resulting in a huge number of possible combinations between triggers and actions. Motivated by such a fact, we improve our prior work and propose RecipeGen++, a deep-learning-based approach that leverages Transformer seq2seq (sequence-to-sequence) architecture to generate TAPs given natural language descriptions. RecipeGen++ can generate TAPs in the Interactive, One-Click, or Functionality Discovery modes. In the Interactive mode, users can provide feedback to guide the prediction of a trigger or action component. In contrast, the One-Click mode allows users to generate all TAP components directly. Additionally, RecipeGen++ also enables users to discover functionalities at the channel level through the Functionality Discovery mode. We have evaluated RecipeGen++ on real-world datasets in all modes. Our results demonstrate that RecipeGen++ can outperform the baseline by 2.2%-16.2% in the gold-standard benchmark and 5%-29.2% in the noisy benchmark.