ARM7下面读写串口的两种方式:中断方式和查询方式的源代码。详细介绍了ARM7下面读写串口的方式。-ARM7 serial read and write the following two ways: interrupt mode and query the source code. Described in detail ARM7 serial read and write the following way.
很实用的PLC梯形图程序,单按钮字起、保、停逻辑,可用于欧姆龙、三菱、西门子系列-PLC ladder practical procedures, single-button word, the security, to stop the logic can be used to Omron, Mitsubishi, Siemens Series