整个源程序已经找不到了。当时是帮一个朋友写的电话报警主机。为了测试，还专门买了一个电话交换机。



基于KEIL C的RTXTiny操作系统的电话振铃检测程序。单片机为LPC900系列。 本程序并不能直接使用，但足以说明问题。如果您要使用您还需要定义相关变量等内容-A whole has been unable to find the source. It was written to help a friend host a telephone. In order to test, but also specifically to buy a telephone exchange. KEIL C-based operating system of the telephone ringing RTXTiny testing procedures. LPC900 microcontroller series. This procedure can not be directly used, but sufficient to describe the problem. If you want to use you need to define the contents of the relevant variables, such as