Linux的发展之路

　　Linux的发展之路

　　Linux长期以来处于突破嵌入式系统的边缘，但其中一个障碍是缺乏足够的处理器和足够的存储空间来应付Linux。在过去的几年中，情况发生了变化，有许多低成本的开发板，每个都有一系列的插件外设和承载处理器，它们能够轻松地执行基于Linux的应用程序。本文将在BEAGLEBONE BeagleBoard / PandaBoard。它也将在制造商的方法对同一问题的–飞思卡尔塔式开发系统在MPC8309 PowerQUICC II Pro处理器特别强调。

　　两beagleboards和pandaboards开源硬件的板包括需要创建板材料和文件的格伯法案的细节都是免费的-一个社区开发插件和其他工具，以德克萨斯仪器（TI）的强大支持，Digi-Key。

　　The first BeagleBoard was developed to show off the capabilities of the TI OMAP3530 system-on-a-chip. OMAP™ （Open Multimedia Applications Platform） products， part of TI’s DaVinci™ platform， are aimed， as the name suggests， at media processing， but can also be seen as a very powerful “computer on a chip”。 The 3530 is powered by an ARM® Cortex™-A8 core running at up to 720 MHz， and it has， on-chip， a TI TMS320C84x DSP and an Imagination Technologies PowerVR SGX graphics engine. Additionally on-chip is a display sub-system， a camera interface， a range of serial interfaces and four USB controllers， as well as memory caches for the cores and 64 kB SRAM and 128 kB ROM. Add in low power consumption （TI does not provide an overall power figure， claiming it is application dependent） and the fact that it was the most powerful ARM-based device available at the time， and you have a very attractive little computer.