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Securing an Embedded Linux with System Workbench

Asymmetric Multi-Programming with System Workbench for Linux

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STS1 LwIP Implementation

This course explains the implementation of the LwIP stack on STM32 MCUs

  • Describing lwIP stack and how to implement it (particularly on STM32F2).
  • This course particularly describes the parameterizing of the stack.
  • A lot of labs have been developed to explain the various protocol operation.
A lot of programming examples have been developed by ACSYS to help the attendee to become familiar with the stack.
That is why the labs included in this course can be compiled and executed under 3 possible IDEs: IAR, Keil and GCC / Lauterbach Trace32.
A more detailed course description is available on request at training@ac6-training.com
This document is necessary to tailor the course to specific customer needs and to define the exact schedule.

Prerequesites and related courses

Day 1
Ethernet Protocol overview
  • Ethernet Addressing
  • Frame format
  • Frame filtering
  • VLAN tag usage
  • Using WireShark to capture Ethernet traffic
LwIP Stack Description
  • Overview
  • Buffer and memory management
  • Network interfaces
  • IP processing
  • UDP processing
  • TCP processing
  • Interfacing the stack
  • Application Program Interface (API)
  • BSD socket library
Day 2
Low level Driver for STM32
  • Global Ethernet MAC/DMA functions
  • DMA descriptor handling
  • PHY control functions
  • Hardware Cheksum
Developping applications with lwIP stack
  • PHY interface configuration
  • MAC and IP address settings
  • Developing in standalone mode (RAW API)
  • Developing with an RTOS using Netconn or Socket API
  • lwIP memory configuration options
Practical labs
  • Standalone demos
    • HTTP server
    • TCP echo client / TCP echo server
    • UDP echo client / UDP echo server
    • TFTP server
  • FreeRTOS demo
    • HTTP server netconn
    • HTTP server socket
    • UDP TCP echo server netconn