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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<HTML
><HEAD
><TITLE
>Key Features</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
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><TH
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>eCos User Guide</TH
></TR
><TR
><TD
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><A
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><DIV
CLASS="CHAPTER"
><H1
><A
NAME="ECOS-KEY-FEATURES">Chapter 1. Key Features</H1
><P
></P
><UL
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> is distributed under the GPL
license with an exception which permits proprietary application code
to be linked with <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> without itself being
forced to be released under the GPL. It is also royalty and buyout
free.</P
></LI
><LI
><P
>As an Open Source project, <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> is
under constant improvement, with an active developer community, based
around the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> web site at <A
HREF="http://sources.redhat.com/ecos/"
TARGET="_top"
>http://sources.redhat.com/ecos/</A
>.</P
></LI
><LI
><P
>Powerful GUI-based configuration system allowing both large and
fine grained configuration of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>. This
allows the functionality of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> to be
customized to the exact requirements of the application.</P
></LI
><LI
><P
>Full-featured, flexible, configurable, real time embedded
kernel. The kernel provides thread scheduling, synchronization,
timer, and communication primitives. It handles hardware resources
such as interrupts, exceptions, memory and caches.</P
></LI
><LI
><P
>The Hardware Abstraction Layer (HAL) hides the specific features
of each supported CPU and platform, so that the kernel and other
run-time components can be implemented in a portable fashion.</P
></LI
><LI
><P
>Support for &micro;ITRON and POSIX Application Programmer
Interfaces (APIs). It also includes a fully featured, thread-safe ISO
standard C library and math library.</P
></LI
><LI
><P
>Support for a wide variety of devices including many serial
devices, ethernet controllers and FLASH memories. There is also
support for PCMCIA, USB and PCI interconnects.</P
></LI
><LI
><P
>A fully featured TCP/IP stack implementing IP, IPv6, ICMP, UDP
and TCP over ethernet. Support for SNMP, HTTP, TFTP and FTP are also
present.</P
></LI
><LI
><P
>The RedBoot ROM monitor is an application that uses the
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> HAL for portability. It provides
serial and ethernet based booting and debug services during
development.</P
></LI
><LI
><P
>Many components include test programs that validate the
components behaviour. These can be used both to check that hardware is
functioning correctly, and as examples of
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> usage.</P
></LI
><LI
><P
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> documentation included this User
Guide, the Reference Manual and the Components Writer's Guide. These
are being continually updated as the system develops.</P
></LI
></UL
></DIV
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>Prev</A
></TD
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><TR
><TD
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ALIGN="left"
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>Introduction</TD
><TD
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><A
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ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
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VALIGN="top"
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Overview</TD
></TR
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></DIV
></BODY
></HTML
>
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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [ecos-key-features.html] - Rev 249
