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printer128
- 从并口输入数据： 外设检测STB是否忙，忙则等待。发数据，置ACK,检测AFD是否响应，是则清ACK否则等待。 PC检测ACK是否选通，是则置STB否则等待。读数据，处理后发AFD清忙。-input data from the parallel port : Peripherals detection STB whether busy, busy then wait. Fat, home ACK, testing whether AFD response, it is awaiting clea
hotC
- 有水位检测，漏电保护，温度控制，继电器滞回控制等完整原码，已投入实际应用。
dog_oper
- 软件狗设置、检测关键程序.-dog installed software to detect critical processes.
check-printer
- 检测打印机状态,缺纸，等相应状态，用于打印错提示-Detect the status of the printer, lack of paper, and other corresponding state, for printing wrong tip
monidapengwenduxianshi
- 模拟大棚温度湿度检测程序，用51单片机写的-Simulation of canopy temperature detection