开发环境为RVDS4.0，基于开发板Tiny6410，该程序为入门裸机按键控制程序：按键控制led灯和beep，按键实现为查询方式；实现方式为当按下K1键，四个led灯全亮，beep响一声；该程序结构简单，旨在说明其控制原理-Development environment for RVDS4.0, based development board Tiny6410, the program bare metal keys for entry control procedures: key control led lights and beep, buttons implemented as query　implementation is key when pressing K1, four led lights all bright, beep beep　simple structure of the program, intended to illustrate the principles of its control