ARM7的UART驅動程序 可以自由配置緩存大小 驅動函數集 以及接口簡單 很適合初學者提高自己的驅動開發能力的參考程序 產品級別的代碼 注釋很詳盡 但需要自己提供IRQ部分的初始化部分程序 本作者不提供 程序為原創-ARM7-UART driver can configure the cache size of the drive free set of functions and simple interface is suitable for beginners to improve their ability to drive the development of reference procedures for product-level code is very detailed notes, but some need to provide their own IRQ initialization part of the process of this author does not provide procedures for the original