Embedded Ethernet Bare - Metal Programming From Ground Up™

Build Embedded Ethernet Firmware : UDP, TCP, HTTP, SSI, CGI etc

28+ hours | Complete Source Code Included

This course is teaches you how to write/configure drivers for the Ethernet peripheral as well as write embedded Ethernet firmware for different networking protocols such as http, dhcp etc.

The goal of this advanced course is to teach you how to navigate the microcontroller reference manual and datasheet to extract the right information to professionally build drivers and firmware for the Ethernet peripheral and then interface these drivers to the widely used TCP/IP stack for embedded systems - LwIP.

So with that understood, let me tell you…:

What make this course different from the intermediate course ?

In this course NO HAL libraries are used, purely bare-metal embedded-c and register manipulations. Once this goal is achieved we then go on to build real world embedded Ethernet applications.

In this advanced course we also implement more examples of embedded Ethernet applications.

This beginner course can be divided into 4 major sections.

First Section

In the first section we give a short introduction to networking and then explore the Ethernet capabilities of the STM32F7 microcontroller.

Second Section

In this section we write bare-metal drivers for all the peripherals we will be using in the course. We write drivers for the ADC, UART, RCC and GPIO.

Third Section

In the third section we write all the bare-metal drivers required to fully configure the Ethernet module. We will implement a driver for configuring the Ethernet gpio pins to operate in RMII mode, we will implement a driver for transmitting packets, another one for receiving packets etc.

It is in this section that we decide on the Ethernet parameters such the speed, the duplex, whether to use auto-negotiation or not etc. After configuring the Ethernet module we conclude this section by implementing a function that interfaces our Ethernet module to the Light Weight IP (LwIP) library. LwIP is a small independent open-source implementation of the TCP/IP protocol stack designed for embedded systems.

Last Section

The final section begins by giving an introduction to Light Weight IP (LwIP) and then goes on to build embedded ethernet applications. Here are some the applications we shall build:

Checking if the cable is connected

Getting an IP address from DHCP

Hosting Webpages with httpd

Displaying Realtime Data on Webpages with SSI

Working with Multiple SSI Tags

Controlling Hardware from WebServers using CGI

Injecting HTML code into a Webpage using SSI and CGI

Implementing a TCP Server

Implementing a TCP Client

Implementing a UDP Server

Implementing a UDP Client

By the end of this course...

**You Will Be Able To :**

Understand the Fundamentals of Networking.
Understand the fundamentals of the Light Weight IP (LwIP) stack.
Write Bare-Metal Drivers for the STM32F7 Ethernet Peripheral
Write Embedded Ethernet Applications for Hosting Web pages.
Write Embedded Ethernet Applications for Controlling Hardware through Web pages.
Write Embedded Ethernet Applications for Sending Sensor Data to Web pages.
Implement a TCP Server on your Microcontroller
Implement a TCP Client on your Microcontroller
Implement a UDP Server on your Microcontroller
Implement a UDP Client on your Microcontroller

Getting Started
Downloading CubeIDE
Installing CubeIDE
Getting Started
Getting the right documentation
Downloading the Required Packages
Creating the right Project Tree
Configuring the Clock Tree and Timebase
Programming : Clock Configuration -Introduction
Programming : Clock Configuration - Analyzing the RCC Control Register
Programming : Clock Configuration - Bus Prescalers
Programming : Clock Configuration - PLL Parameters
Programming : Implementing the Timebase Initialization function
Programming : Implementing the Delay function
Developing the General Purpose Input/Output Driver for the LEDs
Programming : Implementing the GPIO Driver
Programming : Testing the GPIO Driver

Developing the Universal Asynchronous Receiver Transmitter (UART) Driver
Programming : Developing the UART Initialization function (PartI)
Programming : Developing the UART Initialization function (PartII)
Programming : Developing the UART Initialization function (PartIII)
Programming : Developing the UART Transmit function
Developing the Analog-to-Digital Converter (ADC) Driver
Programming : Implementing the ADC Initialization function (PartI)
Programming : Implementing the ADC Initialization function (PartII)
Programming : Getting the analog data from the ADC
Introduction to Networking
Introduction to Networking
Overview of Network Models and their Layers
Overview of the TCP/IP Protocol
Getting to know the Ethernet Capabilities of the STM32F7
Introduction to the STM32F7 Ethernet MAC
Features of the STM32F7 Ethernet MAC
A closer look at the core features

Developing the Ethernet Driver
Overview of the Required Ethernet Driver Functions
Overview of the GPIO Ethernet Init function
Programming : Implementing the Ethernet GPIO function (PartI)
Programming : Implementing the Ethernet GPIO function (PartII)
Programming : Defining the Physical Layer (PHY) Registers
Programming : Implementing some Enumerators for Process Indication
Overview of InitTypeDef structure
Programming : Adding the InitTypeDef structure
Overview of the MACInitTypeDef
Programming : Adding the MACInitTypeDef structure
A closer look at the Ethernet MAC DMA
Overview of the MACDMAInitTypeDef structure
Programming : Adding the MACDMAInitTypeDef structure
Overview of the DMADescTypeDef structure
Programming : Adding the DMADescTypeDef
Overview of the DMARxFrameInfos structure
Programming : Adding the DMARxFrameInfos structure
Programming : Adding the HandleTypeDef structure
Programming : Implementing the Device Lock/Unlock functions
Overview of the Physical Layer (PHY)
Programming : Implementing the PHY Write function (PartI)
Programming : Implementing the PHY Write function (PartII)
Programming : Implementing the PHY Read function
A Closer Look at the MAC Frame Structure
Programming : The MAC Configuration Register
Programming : The MAC Frame Filter Register
Programming : The MAC Flow Control Register
Programming : Implementing the MAC ADDR Config function
Programming : Implementing the MAC DMA Config function (PartI)
Programming : Implementing the MAC DMA Config function (PartII)
Programming : Implementing the MAC DMA Config function (PartIII)
Programming : Implementing the MAC DMA Config function (PartIV)
Programming : Implementing the MAC DMA Config function (PartIV)- Completion
Programming : Configuring the DMA Operation Mode Register
Programming : Configuring the DMA Bus Mode Register
A Closer Look at the DMA Controller
Programming : Developing the Ethernet TX Descriptor Init function (Pt.1)
Programming : Developing the Ethernet TX Descriptor Init function (Pt.2)
Programming : Developing the Ethernet RX Descriptor Init function (Pt.1)
Programming : Developing the Ethernet RX Descriptor Init function (Pt.2)
A Closer Look at MAC Frame Transmission
Programming : Developing the Frame Transmit function
Programming : Developing the Frame Receive function (Pt.1)
Programming : Developing the Frame Receive function (Pt.2)
Programming : Developing the Ethernet Init function (Pt.1)
Programming : Developing the Ethernet Init function(Pt.2)- Clock Range Config
Programming : Developing the Ethernet Init function(Pt.3)- PHY Config
Programming : Developing the Ethernet Init function(Pt.4)- PHY Config
Programming : Developing the Ethernet Init function(Pt.5)- PHY Config
Programming : Developing the Ethernet Start function
Programming : Developing the Ethernet Stop function

Developing the Ethernet Interface (ethernetif) file
Overview of the Required Ethernet Interface Functions
Overview of the Low Level Init Function
Programming : Implementing the Low Level Init function
Programming : Implementing the Ethernetif Init function
Programming : Completing the Low Level Init function
Overview of the Low Level Output Function
Programming : Implementing the Low Level Output function (Pt.1)
Programming : Implementing the Low Level Output function (Pt.2)
Overview of the Low Level Input Function
Programming : Implementing the Low Level Input function (Pt.1)
Programming : Implementing the Low Level Input function (Pt.2)
Programming : Implementing the Ethernetif Input file
Programming : Implementing the Set Link function
Programming : Implementing the Update Config function (Pt.1)
Programming : Implementing the Update Config function (Pt.2)

Developing the LWIP file
Introduction to Light Weight IP (LwIP)
Overview of the LwIP Architecture
A Closer Look at the Netif Structure
Programming : Implementing the Initialization function (Pt.1)
Programming : Implementing the Initialization function (Pt.2)
Developing HTTP Ethernet Applications
Programming : Detecting Link Change
Programming : Getting an IP Address from DHCP
Programming : Assigning an IP Address Manually
Programming : Hosting Web pages with HTTPD
Introduction to Server Side Includes (SSI) and Common Gateway Interface (CGI)
Programming : Displaying Realtime Data on Web pages using SSI (Pt.1)
Programming : Displaying Realtime Data on Web pages using SSI (Pt.2)
Programming : Using Multiple SSI Tags
Programming : Adding more Pages
Programming : Using Multiple SSI Tags in a Single Page
Programming : Controlling Hardware from a Web Server using CGI
Programming : HTML Injection with SSI and CGI (Pt.1)
Programming : HTML Injection with SSI and CGI (Pt.2)
Programming : Changing Images by HTML Injection
Programming : Collecting Form Data with CGI
Programming : Using Multiple CGIs

Developing UDP and TCP Applications using Raw APIs
Overview of the Functions
The Operational Model
Programming : Implementing the UDP Server Init Function
Programming : Implementing the UDP Server Receive Callback Function
Programming : Implementing the UDP Client Init Function
Programming : Implementing the UDP Client Send Function
Programming : Implementing the UDP Client Receive Callback Function
Programming : Implementing the TCP Sever Init Function
Programming : Implementing the TCP Server Accepted Callback
Programming : Implementing the TCP Server Received Callback
Programming : Implementing the TCP Server Eroor and Poll Callbacks
Programming : Implementing the TCP Server Sent Callback and Send Function
Programming : Implementing the TCP Server Closed Connection Function
Programming : Testing the TCP Server
Programming : Implementing the TCP Client Init Function
Programming : Implementing the TCP Client Init Connected
Programming : Implementing the TCP Client Receive and Poll Functions
Programming : Implementing the TCP Client Send Function
Programming : Implementing the ISR for Sending Data to the Server

A little about me : Israel Ninsaw Gbati

Some of you may have taken some of my embedded systems courses from other online platforms.

This is my private channel.

I have been writing embedded firmware for years, I have built embedded devices like consumer products and robotic arms.

Till date I have

trained over 75,000 students in embedded

firmware development online till date

...including third year undergraduate university students in-person.

If you have taken any of my courses before you will know I start from the absolute basics, I do not assume that the student has any prior knowledge of the topic under discussion. You will also know that by the end of the course you understand the functions of every register used in developing the particular firmware or driver.

This method is the same for all of my published embedded systems courses.

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