EWARM是IAR Systems公司为ARM微处理器开发的集成开发环境，具有入门容易、使用方便和代码紧凑等特点，故在此介绍给打算学习使用或正在使用ARM芯片的朋友们共同探讨-EWARM is the IAR Systems development for the ARM microprocessor integrated development environment, with easy entry and easy to use and features such as compact code, it intends to introduce in this study and the use or the use of ARM chips are friends to discuss