怎样用c#编写串口监控软件 监控某个串口的数据接受和发送
你要不要考虑参考一下 Portmon for Windows 提供的工作原理？How it Works: WinNTThe Portmon GUI is responsible for identifying serial and parallel ports. It does so by enumerating the serial ports that are configured under HKEY_LOCAL_MACHINE\\Hardware\\DeviceMap\\SerialComm and the parallel ports defined under HKEY_LOCAL_MACHINE\\Hardware\\DeviceMap\\Parallel Ports. These keys contain the mappings between serial and parallel port device names and the Win32-accessible names.
【怎样用c#编写串口监控软件 监控某个串口的数据接受和发送】 When you select a port to monitor, Portmon sends a request to its device driver that includes the NT name (e.g. \\device\\serial0) that you are interested in. The driver uses standard filtering APIs to attach its own filter device object to the target device object. First, it uses ZwCreateFile to open the target device. Then it translates the handle it receives back from ZwCreateFile to a device object pointer. After creating its own filter device object that matches the characteristics of the target, the driver calls IoAttachDeviceByPointer to establish the filter. From that point on the Portmon driver will see all requests aimed at the target device.
Portmon has built-in knowledge of all standard serial and parallel port IOCTLs, which are the primary way that applications and drivers configure and read status information from ports. The IOCTLs are defined in the DDK file \\ddk\\src\\comm\\inc\tddser.h and \\ddk\\src\\comm\\inc\tddpar.h, and some are documented in the DDK.
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得到花都谢了。。。
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