Synchronous triggering management device and synchronous triggering management method

A technology for synchronizing triggering and managing devices, applied in instruments, computer control, simulators, etc., can solve problems such as inability to synchronize and trigger instruments, difficult management and unification of distributed test system triggering, and difficulty in building distributed test systems.
CN103399508AInactive Publication Date: 2013-11-20UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
UNIV OF ELECTRONICS SCI & TECH OF CHINA
Publication Date
2013-11-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a synchronous trigger management device and a synchronous trigger management method. The method comprises the following steps of presetting a gating relation between a trigger input port and a trigger output port; when valid input of a trigger signal exists in an enabled trigger input port, enabling the status bit corresponding to the trigger input port in a trigger input status register to be 'valid input' by virtue of a trigger input module; obtaining the trigger input port gated with the enabled trigger output port according to the gating relation by virtue of a trigger output module; inquiring the status bit of the trigger input port in the trigger input status register; if the status bit is 'valid input', transmitting the trigger signal from the enabled trigger output port according to preset trigger output parameters by virtue of the trigger input module. The synchronous triggering management device is mainly applied to a distributed testing system, and can be used for conveniently realizing conversion between different trigger modes, enabling instruments with different trigger modes to trigger one another, and ensuring the sequential operation between a trigger signal generation instrument and a triggered instrument.
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Description

technical field

[0001] The invention belongs to the technical field of synchronous triggering, and more specifically, relates to a synchronous triggering management device and method. Background technique

[0002] Synchronization and triggering is a key issue in distributed test systems. As the basis of the distributed test system, the networked instrument crosses the limitation of space, so that multiple instruments distributed in different geographical locations can work together to complete the test task. Compared with traditional instruments, networked test instruments support more trigger methods, currently including five trigger methods: driver-based command trigger, LAN (Local Area Network, local area network) message trigger, IEEE1588 (network measurement and control system Precision clock synchronization protocol standard) timing trigger, LXI (LAN-based eXtensions for Instrumentation, LAN-based instrument extension) hardware bus trigger and custom hardware trigger....

Claims

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