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Scoprire il Micro Framework con C#

Scoprire il Micro Framework con C#. Raffaele Rialdi. Twitter: @raffaeler. Email: malta@vevy.com. Articoli e codice: http://www.iamraf.net. Blog: http://blogs.ugidotnet.org/raffaele. Profilo MVP: https://mvp.support.microsoft.com/profile/raffaele. Il mondo dei device. Ieri

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Scoprire il Micro Framework con C#

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  1. Scoprire il Micro Frameworkcon C# Raffaele Rialdi Twitter: @raffaeler Email:malta@vevy.com Articoli e codice: http://www.iamraf.net Blog:http://blogs.ugidotnet.org/raffaele Profilo MVP:https://mvp.support.microsoft.com/profile/raffaele

  2. Il mondo dei device • Ieri • PC  Full Windows • Apparati industriali  Windows Embedded / CE • PDA, Cellulari  Windows CE • Piccole schede  Micro Framework • Domani • PC  Full Windows • Apparati industriali  Windows Embedded / CE • PDA, Cellulari  Full Windows vNext (SoC) • Piccole schede  Micro Framework

  3. Caratteristiche dell'hardware • Circa 256K di RAM, 512K di ROM • WinCE è intorno ai 10MB RAM / 10MB ROM • CPU 32 bit tipicamente tra 27 e 100MHz • ARM 7 in poi, Analog Devices Blackfin, Renesas SH2/SH2A • Memory Management Unit non necessaria • … Porting Kit!

  4. Caratteristiche del MF • Nasce nel 2001 dal progetto "Smart Personal Object Technology" (SPOT) usata per gli orologi MSN • Codebase indipendente da CF o fx.net • Open source http://netmf.codeplex.com • Subset del full fx.net • Il runtime del CLR interpreta il codice IL • Pieno controllo delle periferiche hardware • Supportato da VS2010 (anche express) • Wizard, emulatore, esempi, help • Tool diagnostici e conversione font truetype

  5. Architettura HTTP(S) Managed Application SDK Application Services SSL DPWS XML Parser Advanced Graphics Managed Libraries Threading Collections Reflection Sockets USB client I/O: USB, UART, SPI, I2C Basic Graphics Porting Kit (PK) Security File System Touch Panel Managed Run-Time CLR, Interpreter, Executive, and Interop PAL – Platform Abstraction Layer approximately 40 functions (preferred)HAL - Hardware Abstraction Layer approximately 60 functions (optional)Host OS Hardware

  6. Ambiente di sviluppo

  7. Librerie – Supporto Base • Suddivise tra i namespace System.* e SPOT.* • ArrayList (unica collection), Hashtable, Queue, Stack • XmlWriter, XmlReader, XmlTextReader • Thread, Timer, AutoResetEvent, … • Reflection • IO: File, streams, SerialPort • Crypto API • GC, delegate, AppDomain, String, Uri, WeakReference, …

  8. Librerie - Hardware • Microsoft.SPOT.Hardware • Battery, PowerState, PowerEvent, SleepEvent • Cpu • I2CDevice • Port, InputPort, OutputPort, InterruptPort, TristatePort • SPI • Watchdog, WatchdogEvent • Microsoft.SPOT.Hardware.UsbClient • SDK Specifici dei produttori OEM. Per es. GHI Electronics: • CAN, PWM, RealtimeClock, OneWire • USB client (mouse, kbd, …), USB host (mouse, kbd, …) • …

  9. Librerie – User Interface • Implementa WPF! (versione super-ridotta) • Niente XAML o binding, solo API essenziali • Microsoft.SPOT.Presentation • Controlli • Border, Canvas, Image, ListBox, Panel, ScrollViewer, StackPanel, Text, … • No Button:http://www.nielsderdaele.be/post/2010/10/12/WPF-Based-Touch-Button-for-NET-Micro-Framework-41.aspx • Disegno • Brush, Color, Pen, ImageBrush, DrawingContext, … • Ellipse , Line, Polygon, Rectangle, Shape • Touch • Ink, Touch, TouchEvent, TouchPanel, InkCanvas • Event routing e input providers

  10. Librerie - Network • Network: • Socket • HttpWebRequest, HttpWebResponse and HttpListener • Esistono esempi di Webserver pronti all'uso • HTTP/1.1 compreso chunking e keep-alive • SSL con certificati X.509! • Transport: • 802.11 [WiFi] supportato (necessita di supporto sdk OEM) • 802.15.4 [ZigBee] implementato ma ancora non documentato

  11. Librerie - DPWS • Implementa WCF (Device Profile for Web Services)! • Può essere client o server • Implementa WS-Discovery • Generazione proxy con MFSvcUtil • Implementazione ridotta: • http://msdn.microsoft.com/en-us/library/ee435399.aspx • Solo Http binding • WSDL 1.1, SOAP 1.2, WS-Addressing, WS-MetadataExchange, WS-Transfer, WS-Discovery, WS-Eventing

  12. C# nel Micro Framework • Non implementati: • Generics • Linq • Workaround:http://blogs.oberon.ch/tamberg/2009-02-06/implementing-linq-on-the-dotnet-mf.html • Expression trees • anonymous types • partial classes • nullable types • tipi puntatori (e.g. IntPtr) • supporto limitato per unsafe code blocks • Solo unsafe/fixed in un numero di casi limitati e su array • custom attributes

  13. Real-world samples • http://www.tinyclr.com/ by GHI • http://www.netduino.com/projects/ by Netduino • Micro Framework sources (+ contributions) by NetMF team • http://netmf.codeplex.com/documentation

  14. Votate le feature perla prossima release! • http://netmf.codeplex.com/ • Login via LiveId • Issue Tracker • Votate! • REST: http://netmf.codeplex.com/workitem/751 • Generics: http://netmf.codeplex.com/workitem/750 • Video Streaming: http://netmf.codeplex.com/workitem/749 • Il team del Micro Framework legge tutte le richieste • È possibile collaborare al source tree ufficiale (direttamente sul TFS di codeplex)

  15. Domande ? Uno grazie speciale a Lorenzo Tessiore e Zach Libby del team di Micro Framework per la disponibilità e i suggerimenti

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