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><H1
><A
NAME="DOCUMENTATION-ROADMAP">Chapter 5. Documentation Roadmap</H1
><P
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> documentation is divided into a
three main parts:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>User Guide</I
></SPAN
></DT
><DD
><P
>This document. It includes the following sections:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>Installing <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
></DT
><DD
><P
> This section describes how to install the
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> software, how to set up your
hardware and how to test that it is all working.
</P
></DD
><DT
>Programming Under <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
></DT
><DD
><P
> This section describes how to write programs that run under
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> by running through some examples.
</P
></DD
><DT
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Configuration Tool</SPAN
></DT
><DD
><P
> This section describes the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> graphical
configuration tool and how to use it to change how
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> behaves.</P
></DD
><DT
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Programming Concepts and Techniques</DT
><DD
><P
>An explanation of the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> programming
cycle, and a description of some debugging facilities that
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> offers.
</P
></DD
><DT
>Configuration and the Package
Repository</DT
><DD
><P
>Information on how to configure <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>
manually, including a reference on the
<B
CLASS="COMMAND"
>ecosconfig</B
> command, memory layouts,
and information on how to manage a package repository
using the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Package Administration
Tool.
</P
></DD
></DL
></DIV
></DD
><DT
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Reference Guide</I
></SPAN
></DT
><DD
><P
>The Reference Guide provides detailed documentation on various
aspects of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>. This document is being
constantly updated, so the following list just mentions the more
important sections, take a look at the guide itself for the full
story.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Kernel</DT
><DD
><P
>In-depth description of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>"s
native C kernel API Important considerations are given
for programming the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>
kernel. The semantics for each kernel function are
described, including how they are affected by
configuration. </P
></DD
><DT
>POSIX and µITRON APIs</DT
><DD
><P
>A description of the POSIX and µITRON APIs and how they
are supported under <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>.
</P
></DD
><DT
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Hardware Abstraction Layer (HAL)</DT
><DD
><P
>A description of the structure and functionality of the
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> HAL. This section also includes a
porting guide to help moving <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> to
different platforms.
</P
></DD
><DT
>Device Drivers</DT
><DD
><P
>A description of the philosophy behind
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> device drivers, as well as a
presentation of the C language APIs for using the current
device drivers. </P
><P
> Device driver support includes serial, ethernet and FLASH devices,
and support for PCI, PCMCIA and USB interconnects.
</P
></DD
><DT
>RedBoot User's Guide</DT
><DD
><P
>This describes RedBoot, which provides a complete bootstrap
environment for a range of embedded operating systems, such as
embedded Linux and <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>, and
includes facilities such as network downloading and
debugging. It also provides a simple flash file system for
boot images.
</P
></DD
><DT
>TCP/IP Stack Support</DT
><DD
><P
>This describes the Common Networking for
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> package, which provides
support for a complete TCP/IP networking stack. The design
allows for the actual stack to be modular and at the current
time two different implementations, one based on OpenBSD from
2000 and a new version based on FreeBSD, are available.
</P
><P
>Other components related to networking, including support for
SNMP, DNS, HTTP and FTP, are also described.
</P
></DD
></DL
></DIV
></DD
><DT
><SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Component Writer's Guide</I
></SPAN
></DT
><DD
><P
>The Component Writer's Guide is intended for developers who need
to add or modify parts of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> itself. It
describes the following things:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>Overview</DT
><DD
><P
>An explanation of the configuration technology used in
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>, why it is done this way, how it
works and the terminology used.
</P
></DD
><DT
>Package Organization</DT
><DD
><P
>A description of the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> package
repository, how it is organized and how packages themselves are
organized.
</P
></DD
><DT
>The CDL Language</DT
><DD
><P
>A description of the CDL language and how it is used to
control the configuration of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>
components. The document also contains a complete specification of
the language.
</P
></DD
><DT
>The Build Process</DT
><DD
><P
>A description of what happens once a configuration has been
created and must be built into a set of executables.
</P
></DD
></DL
></DIV
></DD
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