Intro to IoT using ESP8266, MQTT & NodeRed

Wed, 28 Sep 2016 04:49:21 +0000

Prerequisites

Note: Known-good versions of the prequisites are available is the git repository for this workshop.

All

Download the Paho MQTT client from http://www.eclipse.org/paho/clients/tool/
Download or clone a copy of the workshop repository to your home directory, from https://github.com/InfernoEmbedded/esp-workshop
If you have a firewall enabled, allow traffic on port 1883 (MQTT)
Install NodeJS 4 (not 3 or 5), saved in esp-workshop/windows_x64 - https://nodejs.org/en/download/package-manager/
Install NodeRed from http://nodered.org/docs/getting-started/installation.html
Flash the board with NodeMCU firmware (only required is your board does not already have the NodeMCU firmware installed)
Download and extract the latest ESP8266 NONOS SDK from https://espressif.com/en/support/download/sdks-demos
Build the firmware using the Cloud build service https://nodemcu-build.com, Include:
- ADC
- bit
- DHT
- enduser_setup
- file
- GPIO
- HTTP
- MQTT
- net
- node
- 1Wire
- PWM
- timer
- UART
- WiFi
- Flash the firmware, this example uses the firmware included in the repository, but you may want your own (see above) instead: esptool.py –port /dev/ttyUSB0 write_flash -fm dio -fs 32m 0x00000 ~/esp-workshop/nodemcu-master-15-modules-2016-07-22-03-05-09-float.bin 0x7c000 ~/esp-workshop/sdk/ESP8266_NONOS_SDK/bin/esp_init_data_default.bin

Installing Eclipse

Thu, 26 Dec 2013 03:28:34 +0000

Eclipse Install

Download and extract the latest version of Eclipse Classic for your platform from http://www.eclipse.org.
Install a recent AVR Toolchain. Windows & OSX users should use Inferno Embedded AVR Tools, as should Linux users if their distro does not include GCC-4.8.
Install Doxygen

Running Eclipse for the first time

Download and extract workspace.7z from the bottom of this page. This will give you an Eclipse workspace that is preconfigured with extensive syntax highlighting.
Launch Eclipse, and select your new workspace
Extract the eclipse-updatesites.7z archive from the bottom of this page
We will now be installing the following Eclipse plugins:
- AnyEdit Tools - cleans up whitespace on save
- Eclox - provides Doxygen parsing
- MultiClipboard - provides support for multiple clipboard
- EGit - manage Git repositories within Eclipse
Click on “Help”, “Install New Software”
Click on “Available Software Sites”, “Import”, then select the eclipse-updatesites.xml you extracted earlier
Exit and restart Eclipse
Click on “Help”, “Install New Software”
Select the “Anyedit” update site, “Eclipse-3.5-3.7 Plugins”, and install “AnyEditTools”. Restart when prompted
Click on “Help”, “Install New Software”
Select the “AVR Eclipse” update site, then “AVR Eclipse Plugin”. Restart when prompted
Click on “Window”, “Preferences”, “AVR’, “Paths” and configure your AVR toolchain. If you are using Inferno Embedded AVR Tools, you should set up the following custom paths (examples are for a 64 bit Windows install):
Click on “Help”, “Install New Software”
Select the “Eclox” update site, then Eclox”. Restart when prompted
Click on “Help”, “Install New Software”
Select the “Multi Clipboard” update site, then Multi Clipboard. Restart when prompted

Importing Flame

In Eclipse, select File, Import, Git, Projects from Git, Clone URI, then enter as the uri: https://github.com/InfernoEmbedded/flame.git
Select “master” as the repository to clone
Eclipse will spend a while cloning the repository andindexing all the code, then you are ready to compile
Select all the projects in Project Explorer (or just the projects you care about), right click and select “Build Configurations”, “Set Active”, “ATmega328P_20MHz” (for the MHVBoard), or whatever is suitable for your target platform

Building Flame

Right click on “flame” in “Project Explorer”, then select “Build Configurations”, “Set Active”, and choose the build configuration you need. MHVBoard R2/R7 users should choose ATmega328p-20MHz
Right click on “mhvlib” and select “Build Project”
The same procedure can be used to build any of the tutorial projects

Uploading to the Microcontroller

Build your project (see above)
Right click on the project in “Project Explorer”, select “Properties”, “AVR”, “AVRDude” and select a programmer configuration from the Programmer tab (not the configuration selection on top, which allows you to have multiple configs, we use this to support different microcontrollers)
You can create a new programmer configuration by selecting “New”, and filling out the details from the table below. The supplied workspace already has a few common programmers setups added
If you are using an MHVBoard (or other bootloader that needs an explicit reset), reset your device
Right click on the project in “Project Explorer”, select “AVR”, “Upload Project to Target Device”

Name	Programmer	Speed	Port
MHVBoard R2/R7	usbasp	blank	blank
Optiboot, Arduino Mini w/ ATmega328	stk500	115,200
Arduino Uno, Arduino Ethernet	Arduino	115,200	`<your serial port>`
Arduino Duemilanove w/ ATmega328, Arduino Nano w/ ATmega328, Arduino Mega, Arduino Fio, Lilypad Arduino w/ ATmega328, Arduino Pro/Pro Mini w/ ATmega328	Arduino	57,600
Arduino Duemilanove w/ ATmega168, Diecimila, Arduino Nano w/ ATmega168, Arduino Mini w/ ATmega168, Arduino BT, Lilypad Arduino w/ ATmega168, Arduino Pro/Pro Mini w/ ATmega168, Arduino NG	Arduino	19,200
Arduino Mega 2560/ Mega ADK	stk500v2	115,200

Updating Flame

To fetch the latest version of Flame from the git repository, issue a “git pull” in the flame directory

Useful Information

Keyboard shortcuts can be configured in Windows, Preferences, General, Keys
Syntax highlighting can be configured in Windows, Preferences, C/C++, Editor, Syntax Coloring

Downloads

workspace.7z (667.8 KB)
eclipse-updatesites.7z (0.5 KB)

Guides & Tutorials on Inferno Embedded

Intro to IoT using ESP8266, MQTT & NodeRed

Prerequisites

All

Installing Eclipse

Eclipse Install

Running Eclipse for the first time

Importing Flame

Building Flame

Uploading to the Microcontroller

Updating Flame

Useful Information

Downloads