Seminario. Seminario Embedded Internet Sergio SCAGLIA Pearson Education
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1 Seminario Embedded Internet
2 Objectivos: Presentar el concepto de Internet Embebido y sus aplicaciones. Desarrollar los conceptos del Stack TCP/IP desde la óptica del desarrollador de sistemas embebidos. Presentar y detallar los componentes de un sistema embebido basado en arquitectura ARM. Presentar y utilizar las herramientas de desarrollo para sistemas embebidos. Presentar el libro Embedded Internet.
3 Agenda: Introducción a Internet Embebido Presentación del Libro Embedded Internet Sistemas Embebidos Internet Embebido Implementación de un Stack de TCP/IP
4 Agenda: Implementación de un Stack de TCP/IP Preparing the Labs (Configuration, Utilities, etc) The Application and the TCP/IP Stack Connecting to a LAN: Ethernet and ARP Dial-Up Networking: the PPP protocol Implementing the IP layer (IP and ICMP) Implementing the Transport layer (UDP and TCP)
5 Agenda: Implementación de un Stack de TCP/IP UDP-based and TCP-based Embedded Servers Sending messages: SMTP An Embedded WebServer: HTTP Outsourcing embedded code: using Web Services
6 Introducción a Internet Embebido Definición de Sistemas Embebidos: Special-purpose system in which the computer is encapsulated by the device it constrols. Aplicaciones de los Sistemas Embebidos: Home appliances, industrial plants, medical equipments, communication devices, automotive applications, etc. Beneficios de conectarlos en red / internet: Remote operation/service/monitoring, application software update, automatic message dispatch, etc. Use of the external intelligence (internet resources).
7 Presentación del Libro: Embedded Internet: TCP/IP Basics, Implementation, and Applications Sergio Scaglia [Pearson Education, ISBN: ]
8 Presentación del Libro: Embedded Internet: TCP/IP Basics, Implementation, and Applications Contenido del Libro Contenido del CD Getting Started Guide Estadísticas
9 Sistemas Embebidos: Arquitectura ARM (Reduced Instruction Set Computer) PHILIPS (NXP) LPC2100 ARM-Core family Microcontroladores LPC2124 / LPC2129 Block diagram Pin configuration (PINSEL0 / PINSEL1) GPIO registers
10 Sistemas Embebidos: Herramientas de Desarrollo C Compiler - IDE Debugger - JTAG Flash Utility Kit de Desarrollo LPC-E2129 LPC-P2129 Ejemplo de Aplicación
11 Networking concepts: Networking is the process of working with networks and related technologies. Network is a group of independent units connected together to share information (computers, telephone, electrical networks). Networking advantages: Connectivity Communication Networking applications: Data Sharing Hardware Sharing
12 Networking benefits example: Hardware Sharing
13 Networking Fundamentals Switching Network types: Circuit Switching Networks
14 Networking Fundamentals Switching Network types: Packet Switching Networks
15 Networking Fundamentals Network protocols Connectionless and Connection-Oriented Protocols Network Message Structure
16 Networking Fundamentals Network protocols Connectionless and Connection-Oriented Protocols Network Message Structure Message Transmission types Unicast Messages Multicast Messages Broadcast Messages
17 Networking Fundamentals Network protocols Connectionless and Connection-Oriented Protocols Network Message Structure Message Transmission types Connection Operation Modes Simplex Operation Half-Duplex Operation Full-Duplex Operation
18 The Open System Interconnection (OSI) Reference Model Layer 1: Physical Layer (PHY)
19 The Open System Interconnection (OSI) Reference Model Layer 2: Data Link Layer (DLL)
20 The Open System Interconnection (OSI) Reference Model Layer 3: Network Layer
21 The Open System Interconnection (OSI) Reference Model Layer 4: Transport Layer
22 The Open System Interconnection (OSI) Reference Model Layer 5: Session Layer
23 The Open System Interconnection (OSI) Reference Model Layer 6: Presentation Layer
24 The Open System Interconnection (OSI) Reference Model Layer 7: Application Layer
25 The Open System Interconnection (OSI) Reference Model Inter-Layer Communications
26 The Open System Interconnection (OSI) Reference Model Message Routing
27 The TCP/IP STACK The TCP/IP STACK Architecture
28 The TCP/IP STACK The TCP/IP STACK Architecture The TCP/IP Protocol Suite TCP/IP STACK Protocols Dependencies
29 The TCP/IP STACK TCP/IP STACK Protocols Dependencies
30 The TCP/IP STACK The TCP/IP STACK Architecture The TCP/IP Protocol Suite TCP/IP STACK Protocols Dependencies Two Perspectives of the TCP/IP SERVICES The TCP/IP Protocols Standardization Process Request For Comments Internet Draft Proposed Standard Draft Standard Internet Standard
31 FIN PARTE I
32 Embedded TCP/IP Stack:
33 The Application:
34 Embedded Application Modules: Source files Utilities files
35 TCP/IP Stack Structure:
36 Embedded TCP/IP Stack Modules: Layer Module Functionality This module inserts the TCP/IP Stack functionality in any source code. It must be included in all sources requiring TCP/IP communications. ethernet.c It implements the drivers for the Ethernet interface. It is required for the LPCE212X boards. arp.c It implements the ARP protocol, needed by the Ethernet drivers to translate IP addresses into MAC addresses. ppp.c It implements the PPP protocol for the Serial interface. It is required for the LPCP212X boards. ip.c It implements the Internet Protocol, for the Internet layer. It implements the Internet Control Message Protocol. It implements the User Datagram Protocol for the Transport layer. It provides simple, fast, unreliable transport over the internetwork. tcp.c It implements the Transmission Control Protocol for the Transport layer. It provides a connection oriented, with flow control, reliable transport over the internetwork. TRANSPORT icmp.c udp.c APPLICATION INTERNET NETWORK INTERFACE stack.c smtp.c It implements the Simple Message Transport Protocol, needed to send electronic mails. http.c It implements the HyperText Transport Protocol, required to implement a web server.
37 Embedded TCP/IP Stack Modules:
38 Embedded TCP/IP Stack:
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