先进先出序列发生器，详细说明见文档中的注释，希望能帮到大家-FIFO sequence generator, a detailed explanation see the comments in the document, hoping to help you

用ICCAVR写的 ATmega640的串口的驱动，使用了先进先出的环形缓冲区技术 这是一个使用例子 稍微改动一下即可用到自己的项目中-ATmega640 with ICCAVR write serial driver, using FIFO ring buffer technology which is a slight change to the use of examples used in your own projects