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GPIBQuery

Valid for: CANoe DE Note
Data up to the size of 1000 bytes are read with this function. To read more data bytes please use function GPIBQueryEx.

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Function Syntax

long GPIBQuery (long deviceDescriptor, char cmdStr[]);

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Description

Query to the device. The cmdStr is put to a queue, and then the function returns immediately. When the cmdStr has been sent to the device, and a response has been received, the user-supplied function GPIBResponse is called.

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Parameters

  • deviceDescriptor: Device ID
  • cmdStr: Query string

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Return Values

  • Status
  • -1: On error, if no GPIB driver is available, or if no GPIBResponse function was supplied

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Example

Query of the voltage: GPIBQuery(myDev, "V?")