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Driverless signal generating apparatus and control method thereof

  • US 20080091399A1
  • Filed: 10/16/2007
  • Published: 04/17/2008
  • Est. Priority Date: 10/17/2006
  • Status: Abandoned Application
First Claim
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1. A driverless signal generating apparatus to be connected to a computer host, which has an operation system (OS) having an application program (AP) for the signal generating apparatus, the signal generating apparatus comprising:

  • a signal generator for generating an external signal in response to external excitation; and

    an interface controller, which is connected to the signal generator and is to be connected to the computer host, and has operation firmware stored in the interface controller, wherein;

    the operation firmware simulates the signal generating apparatus as a standard device, wherein a driver corresponding to the standard device has been built in the OS so that the OS regards the signal generating apparatus as the standard device;

    the operation firmware receives a first command outputted from the OS through the driver and makes the OS identify an attribute of the signal generating apparatus in response to the first command;

    the AP may be executed in the OS to generate a second command, wherein each of the first command and the second command pertains to a control transfer command (CTC) for enabling control transfer; and

    the operation firmware receives the second command and thus controls the signal generator to generate the external signal and to send the external signal back to the OS.

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