By using GZIP compression, we can reduce bandwidth usage, can increase server speed, and efficiently utilize smaller memories that are issues of prime importance when we are dealing with some embedded platform like ESP8266.
In this course, you will learn all about ESP8266 web server optimization for better performance and optimum utilization of available resources like program and data memories.
I've added some basics like how to add HTML, CSS, JS and graphic contents in ES8266 Arduino sketch, you will find it as simple as ABC even if you are at beginner level.
If you have already developed some embedded webserver, you will be able to improve its performance by utilizing techniques learned in this course.
Here are key points you will learn
You will also be able to utilize this compression technique with any embedded platform like Arduino Ethernet/Wifi shields, Mbed, PIC18F97J60 (or any other Microchip Ethernet controller like ENC28j60), STM32F407 (or any other STM32 controller) etc.
To sum up, you will be able use GZIP compression whenever you are coding in C/C++ for any embedded platform, and right now, we are going to test it on Espressif ESP8266 SoC.
This is going to be real simple but many people have no idea how to do it, and I'm sure anyone can learn it in few minutes.
Please note that this is not a web development course, rather it will teach you best and easiest possible way to handle web contents in Arduino Sketch.
You will get complete webserver code and Arduino sketch that you can modify according to your requirements. Please check introductory lecture that shows how this webserver works.
Which ESP8266 board you need for testing as there are many available?
You may use any ESP board that have multiple IO pins, not necessarily Nodemcu.
Students will learn how to convert HTML to C string format and will be able to easily add HTML to Arduino sketch.
Students will be able to add images/graphics in Arduino sketch.
Students will learn to put multiple files in Arduino sketch, this is needed when we have to develop real embedded web-servers for industry. You may need to add HTML/CSS/JS/images etc. Learn how to do handle all.
students will be able remove whitespace characters and useless/redundant newline characters by using simple online tools. This is how you can easily save some flash memory.
Learn to Gzip any file/server-contents before we put that into Arduino sketch.
Students will be able put Gzipped contents in Arduino sketch.
Students will be able to handle gzipped contents after they are added in Arduino sketch.
Just test if gzip compression have any impact on server performance.
Learn to use Wireshark for monitoring esp8266 traffic and timing.
Learn the concept of HTTP caching. We are going to use it with esp8266.
Students will be able to use HTTP caching in Arduino sketch.
SPIFFS stands for SPI-flash-file-system, there is a part of flash reserved for SPIFFS and students will learn how to store server contents in that region.
After contents placed in SPIFFS, students will be able to handle them in Arduino sketch.
Farrukh is enthusiastic embedded system developer with expert level skills in C programming, low power RF chips, embedded webservers, 8/32bit microcontroller families and smart metering. As a freelancer, he completed more than forty embedded system projects at freelancer.com, he developed PIC18 based webserver with mikroC Ethernet Library, STM32F407 webserver with LwIP TCP/IP stack, and recently developed ESP8266 based webserver. He also developed Serial-Display firmware for Newhaven Display International, Inc USA.