学习使用 C8051F1xx 单片机查询方式实现AD 采样。使用查询方式实现 AD 采样，并通过串口输出AD 采样结果。为了便于在调试工具上观察结果，每隔1s 采集一次数据并输出。-Learning to use inquiry methods to achieve single-chip C8051F1xx sampling AD. AD means the use of query sampling, and sampling the results of the serial output of AD. In order to facilitate the debugging tools on observations collected at intervals of 1s and a data output.