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com0com-2.2.2.0-i386-fre.zip
The Null-modem emulator is an open source kernel-mode virtual serial
port driver for Windows, available freely under GPL license.
You can create an unlimited number of virtual COM port
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STM32-P103.rar
... have SD/MMC card connector and allow USB Mass storage
device demo to be evaluated. The RS232 driver and connector allow USB to
Virtual COM port demo to be evaluated. The CAN port and driver allow CAN
applications ...
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PumpCtrlv0.9.rar
... , for pc.
It controls the timings for the stepper motor of the pump.
It uses virtual COM port (comport must be installed in Delphi)
It is designed to communicate via USB port with an AVR app turning in in the ...
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Include.rar
Libraries for creating virtual COM Ports withing applications: Target OS Windows 7
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COM-technology-insider.rar
COM接口可以通过多种语言实现，接口有一个二进制的标准。也就是说，表示一个接口的内存块必须具有一定的结构。客户程序用一个指向接口数据结构的指针来调用接口成员函数。接口指针实际上 ... 指针，这第二个指针指向一组函数，称为接口寒暑表。接口函数表中每项为4个字节长的函数指针。
在C++中，可以使用抽象基类实现COM接口。抽象基类的内存结构跟接口的内存结构正好完全相同。抽象基类的指针指向一个vtbl指针，该指针指向虚拟函数表。由于一个COM组件可以支持任意数目的接口，因此对于这类组件，我们使用抽象基类的多重继承实现。
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