niUSRP USRP Wait for Lock VI

NI-USRP Help

Edition Date: March 2018

Part Number: 373380J-01

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Installed With: NI-USRP

Configures the device to wait for the GPS to lock. GPSDO may take up to 10 minutes to lock to a satellite the first time.

Supported Devices: USRP-2900/2901, USRP-2920/2921/2922, USRP-2930/2932, USRP-2940/2942/2943/2944/2945, USRP-2950/2952/2953/2954/2955

niUSRP Wait for Lock

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session handle identifies your instrument session.

session handle is obtained from the niUSRP Open Tx Session VI or the niUSRP Open Rx Session VI and identifies a particular transmit (Tx) or receive (Rx) session.

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channel list specifies the channel(s) to configure.

Refer to Using Properties for more information about using channel list.

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device specifies the lock signal to wait for. Leave device set to the default value, GPS.

Refer to Using Properties for more information about using device.

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timeout specifies the time to wait, in seconds, before returning an error if the requested number of samples have not been generated.

A negative value indicates to the driver to wait indefinitely.

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error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

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session handle out passes a reference to your instrument session to the next VI.

session handle out is obtained from the niUSRP Open Tx Session VI or the niUSRP Open Rx Session VI and identifies a particular transmit (Tx) or receive (Rx) session.

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error out contains error information. This output provides standard error out functionality.

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