Adaptive detection routing switching method
An adaptive detection and routing technology, applied in the detection field, to improve equipment testing efficiency, save test channel resources, and improve accuracy and security
Inactive Publication Date: 2011-01-19
中国人民解放军63961部队
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[0004] In view of the above defects, the main purpose of the present invention is to provide a method for adaptive detection route switching, which solves the problem that the user must manually configure and switch detection routes in an automatic test system when different systems or devices are detected
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[0025] The technical scheme of the present invention is further described below in conjunction with specific embodiment and accompanying drawing, but it is not limited thereto:
[0026] Such as figure 1 As shown, the adaptive detection route switching method provided by the present invention mainly includes the following steps:
[0027] a. Establish a unified standard equipment identification code system 101, the detailed steps are as follows:
[0028] a1. The signal interface unit in the test system dynamically sets a dedicated bus for device identification (only valid after the device under test is connected to the test system and powered on, and released after the identification is completed). The device identification bus includes 16 Bit-wide data bus and 2-bit wide control bus, which can identify 65535 different types of devices under test; the control bus is composed of send enable and receive enable, used for handshaking between the test system and the device under te...
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The invention belongs to the field of detection, and provides an adaptive detection routing switching method. The method comprises the following steps of: a, establishing a uniform standard equipment identification code system; b, establishing connection between a test system and the detected equipment to acquire an equipment identification code; c, sending the acquired detected equipment identification code to a decoding circuit in a signal interface unit by the signal interface unit, and converting the equipment identification code into a corresponding equipment detection routing list; d, sending the detection routing list to a routing switch control circuit in the signal interface unit by the signal interface unit to generate a control signal for switching different switches; and e, sending the switching control signal to a switch driving circuit in the signal interface unit by the signal interface unit to drive the corresponding switch to generate shutdown action so as to realize switching between different test resources and test states and realize change-over and distribution of test / excitation signals. The method solves the problems that manual configuration and detection routing switching must be performed by a user when the automatic test system detects different systems or devices.
Description
technical field [0001] The invention belongs to the detection field, in particular to an adaptive detection route switching method. Background technique [0002] At present, when detecting different systems or devices in the existing automatic test system, the user generally switches the detection route manually to complete the switching of test resources and test states between different systems or devices, so as to realize the test / stimulus signal. transfer and distribution. The biggest problem with this method is that when testing different systems or devices each time, it cannot achieve true test automation and intelligence, and there is a possibility of misoperation. [0003] However, in the past automatic device identification methods, it is necessary to set aside a special identification channel for device identification, which occupies limited test channel resources. Contents of the invention [0004] In view of the above defects, the main purpose of the present ...
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IPC IPC(8): G06F11/22
Inventor 龚安段俊斌傅鹏程王鹏杨海奎刘婧波
Owner 中国人民解放军63961部队