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Getting Started with Moddable One

Copyright 2019 Moddable Tech, Inc.
Revised: May 17, 2019

This document describes how to start building Moddable applications for Moddable One. It provides information on how to configure the host build environment and how to build and deploy apps. It also provides information about development resources, including a summary of the examples available in this repository that run on Moddable One.

Table of Contents

About Moddable One

Moddable One is a hardware module that makes it easy for developers to experiment with the Moddable SDK on inexpensive hardware. It is available to purchase on the Moddable website.

Components

The two main components of Moddable One are the ESP8266 module and capacitive touch screen. The ESP8266 module includes a Wi-Fi antenna and 4 MB of flash storage memory. The touch screen is a 240 x 320 QVGA IPS display driven by a MIPI Display Serial Interface compatible display controller with an FT6206 capacitive touch controller.

Pinout

SDK and Host Environment Setup

The Moddable SDK Getting Started document describes how to configure the host build environment and install the required SDKs, drivers, and development tools. Follow the instructions in the Host environment setup and ESP8266 setup sections for your computer's operating system.

Building and Deploying Apps

After you've set up your host environment, take the following steps to install an application on your Moddable One.

  1. Attach the programmer to your Moddable One.

    Make sure you have the programmer oriented correctly. The orientation should match the image below.

    Note: The USB port on Moddable One may be used to provide power when operating without the programmer. The USB port is only for powering Moddable One. It cannot be used to program Moddable One.

  2. Attach the programmer to your computer with a micro USB cable.

    The USB cable must be attached to the programmer, not the power-only USB port on the board. Make sure you're using a data sync–capable cable, not one that is power-only.

  3. Build and deploy the app with mcconfig.

    mcconfig is the command line tool to build and launch Moddable apps on microcontrollers and the simulator. Full documentation of mcconfig is available here.

    Use the platform -p esp/moddable_one with mcconfig to build for Moddable One. For example, to build the piu/balls example:

    cd $MODDABLE/examples/piu/balls
mcconfig -d -m -p esp/moddable_one

    The examples readme contains additional information about other commonly used mcconfig arguments for screen rotation, Wi-Fi configuration, and more.

Development Resources

Examples

The Moddable SDK has over 150 example apps that demonstrate how to use its many features. The vast majority of these examples run on Moddable One.

That said, not every example is compatible with Moddable One hardware. For example, the ESP8266 does not have BLE capabilities so BLE examples do not build or run. Some examples are designed to test specific display and touch drivers that are not compatible with the Moddable One display and give a build error.

Documentation

All the documentation for the Moddable SDK is in the documentation directory. The documentation, examples, and modules directories share a common structure to make it straightforward to locate information. Some of the highlights include:

  • The commodetto subdirectory, which contains resources related to Commodetto--a bitmap graphics library that provides a 2D graphics API--and Poco, a lightweight rendering engine.
  • The piu subdirectory, which contains resources related to Piu, a user interface framework that makes it easier to create complex, responsive layouts.
  • The networking subdirectory, which contains networking resources related to network sockets and a variety of standard, secure networking protocols built on sockets including HTTP/HTTPS, WebSockets, DNS, SNTP, and telnet
  • The pins subdirectory, which contains resources related to supported hardware protocols (digital, analog, PWM, I2C, etc.). A number of drivers for common off-the-shelf sensors and corresponding example apps are also available.

Support

If you have questions, we recommend you open an issue. We'll respond as quickly as practical, and other developers can offer help and benefit from the answers to your questions. Many questions have already been answered, so please try searching previous issues before opening a new issue.

Updates

The best way to keep up with what we're doing is to follow us on Twitter (@moddabletech). We post announcements about new posts on our blog there, along with other Moddable news.