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I'm new using the D programming language and I was wondering if D can make use of the Serial port or usb port?
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USB allows data to travel on the average of ten times the speed of the normal parallel port. It is also faster than a serial port. The average serial port transfer rate is 150 kbps; the USB port is up to 12 Mbps. USB 2 is forty times faster, with a maximum transfer rate of 480 Mbps.
The serial port standard is RS-232. This standard is used for transmitting serial communication between devices, which are usually called data communications equipment (DCE) and data terminal equipment (DTE). The serial port uses a nine-pin (DE-9) connector or a 25-pin (DB-25) connector.
Universal Serial Bus (USB) is a type of cable and connector commonly used for half-duplex or full-duplex serial data transmission between a computer and attached devices.
That would presumably involve system calls of some kind, which would be in C, but you can call C functions from D, so unless there's a library that will wrap it for you (which I rather doubt), you'll have to figure out what the appropriate C calls are and use them.
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Creating bindings to C libraries is pretty straightforward in D, so you might try libusb for cross-system USB access.
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