嵌入式系统中常用的体系结构的种类要远远超过传统计算机的选择，所以可移植性是至关重要的。
The variety of architectures commonly used in embedded systems far exceeds common choices for traditional computers, so portability is vital.
本文列举了几种常用的嵌入式程序优化方法。(4)系统在酒瓶检测中的应用测试。
This article lists some commonly used embedded process optimization. (4) System tested in the bottle detection.
I2C总线是一种很通用的总线，具有简单、高效等特点，广泛应用在各种消费类电子产品及音视频设备上，在嵌入式系统的开发中也经常用到。
I2C bus is a universal bus, which is simple, efficiency and widely used in various electronic products and audio video devices, as well as in embedded system development.
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