doc/html/user-guide/ecos-key-features.html

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  84 NAME="ECOS-KEY-FEATURES">Chapter 1. Key Features</H1
  85 ><P
  86 ></P
  87 ><UL
  88 ><LI
  89 ><P
  90 ><SPAN
  91 CLASS="PRODUCTNAME"
  92 >eCos</SPAN
  93 > is distributed under the GPL
  94 license with an exception which permits proprietary application code
  95 to be linked with <SPAN
  96 CLASS="PRODUCTNAME"
  97 >eCos</SPAN
  98 > without itself being
  99 forced to be released under the GPL. It is also royalty and buyout
 100 free.</P
 101 ></LI
 102 ><LI
 103 ><P
 104 >As an Open Source project, <SPAN
 105 CLASS="PRODUCTNAME"
 106 >eCos</SPAN
 107 > is
 108 under constant improvement, with an active developer community, based
 109 around the <SPAN
 110 CLASS="PRODUCTNAME"
 111 >eCos</SPAN
 112 > web site at <A
 113 HREF="http://sources.redhat.com/ecos/"
 114 TARGET="_top"
 115 >http://sources.redhat.com/ecos/</A
 116 >.</P
 117 ></LI
 118 ><LI
 119 ><P
 120 >Powerful GUI-based configuration system allowing both large and
 121 fine grained configuration of <SPAN
 122 CLASS="PRODUCTNAME"
 123 >eCos</SPAN
 124 >. This
 125 allows the functionality of <SPAN
 126 CLASS="PRODUCTNAME"
 127 >eCos</SPAN
 128 > to be
 129 customized to the exact requirements of the application.</P
 130 ></LI
 131 ><LI
 132 ><P
 133 >Full-featured, flexible, configurable, real time embedded
 134 kernel. The kernel provides thread scheduling, synchronization,
 135 timer, and communication primitives. It handles hardware resources
 136 such as interrupts, exceptions, memory and caches.</P
 137 ></LI
 138 ><LI
 139 ><P
 140 >The Hardware Abstraction Layer (HAL) hides the specific features
 141 of each supported CPU and platform, so that the kernel and other
 142 run-time components can be implemented in a portable fashion.</P
 143 ></LI
 144 ><LI
 145 ><P
 146 >Support for &micro;ITRON and POSIX Application Programmer
 147 Interfaces (APIs). It also includes a fully featured, thread-safe ISO
 148 standard C library and math library.</P
 149 ></LI
 150 ><LI
 151 ><P
 152 >Support for a wide variety of devices including many serial
 153 devices, ethernet controllers and FLASH memories. There is also
 154 support for PCMCIA, USB and PCI interconnects.</P
 155 ></LI
 156 ><LI
 157 ><P
 158 >A fully featured TCP/IP stack implementing IP, IPv6, ICMP, UDP
 159 and TCP over ethernet. Support for SNMP, HTTP, TFTP and FTP are also
 160 present.</P
 161 ></LI
 162 ><LI
 163 ><P
 164 >The RedBoot ROM monitor is an application that uses the
 165 <SPAN
 166 CLASS="PRODUCTNAME"
 167 >eCos</SPAN
 168 > HAL for portability. It provides
 169 serial and ethernet based booting and debug services during
 170 development.</P
 171 ></LI
 172 ><LI
 173 ><P
 174 >Many components include test programs that validate the
 175 components behaviour. These can be used both to check that hardware is
 176 functioning correctly, and as examples of
 177 <SPAN
 178 CLASS="PRODUCTNAME"
 179 >eCos</SPAN
 180 > usage.</P
 181 ></LI
 182 ><LI
 183 ><P
 184 ><SPAN
 185 CLASS="PRODUCTNAME"
 186 >eCos</SPAN
 187 > documentation included this User
 188 Guide, the Reference Manual and the Components Writer's Guide. These
 189 are being continually updated as the system develops.</P
 190 ></LI
 191 ></UL
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