CN104460375B - Multi-signal generation device and method used for combined grade product debugging - Google Patents
Multi-signal generation device and method used for combined grade product debugging Download PDFInfo
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- CN104460375B CN104460375B CN201410693960.0A CN201410693960A CN104460375B CN 104460375 B CN104460375 B CN 104460375B CN 201410693960 A CN201410693960 A CN 201410693960A CN 104460375 B CN104460375 B CN 104460375B
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- signal
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention relates to a multi-signal generation device and method used for a combined grade product debugging. The device comprises a USB interface circuit, a signal generation circuit, a TTL interface circuit and a difference interface circuit. The USB interface circuit is connected with a debugging computer. The signal generation circuit is used for generating a synchronizing signal or a communication signal required by debugging according to a received address range of address information, sending the synchronizing signal to the TTL interface circuit or the difference interface circuit according to a preset connection condition of a product to be debugged and an interface, and sending the communication signal to the TTL interface circuit or the difference interface circuit. The TTL interface circuit is used for sending the synchronizing signal and/or the communication signal to the product to be debugged and/or an instrument to be tested. The difference interface circuit is used for sending the synchronizing signal and/or the communication signal to the product to be debugged. According to the multi-signal generation device and method, the USB interface is connected with the debugging computer, so the multi-signal generation device can support hot plugging and is convenient to debug; the TTL interface circuit and the difference interface circuit are arranged, and interfaces connected with the TTL interface circuit and the difference interface circuit are selected according to the interface condition of the product to be debugged.
Description
Technical field
The present invention relates to electronic technology field, more particularly, to a kind of multi signal generation device for combination stage production debugging
And method.
Background technology
In combination stage production debugging, it is desirable to have external device (ED) is coordinated with it.External device (ED) needs to complete following functions：For
Debugged product provides synchronizing signal；Communicated with debugged product；There is provided outer triggering signal etc. to tester.Existing
Assistant adjustment external device (ED) be computer card form (ISA board), externally provide only TTL interface circuit, for some need
The occasion wanting differential interface is not suitable for；Do not support hot plug, and need during installing/dismounting to open debugging computer cabinet, be not easy to
Debugging.
Content of the invention
The technical problem to be solved is for the deficiencies in the prior art, provides a kind of combination stage product that is used for adjust
The multi signal generation device of examination and method.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of multi signal for combination stage production debugging produces
Generating apparatus, including usb circuit, signal generating circuit, TTL interface circuit and difference interface circuit, described usb circuit
It is connected with signal generating circuit, described signal generating circuit is connected with TTL interface circuit and difference interface circuit respectively；
Described usb circuit, it is powered for being connected as device with debugging computer, and signal generating circuit is carried out
Initialization；
Described signal generating circuit, it is used for the address realm of the address information according to usb circuit reception, produces and adjusts
The required synchronizing signal of examination or communication signal, according to the connection of debugged product set in advance and interface, by synchronous letter
Number it is sent to TTL interface circuit or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit；
Described TTL interface circuit, it is used for for the synchronizing signal of reception and/or communication signal being sent to connected quilt
Debugging product and/or tester；
Described difference interface circuit, it is connected for being sent to the synchronizing signal of reception and/or communication signal
Debugged product.
The invention has the beneficial effects as follows：It is connected with debugging computer using USB interface, make device of the present invention support heat
Plug, is easy to debug, and the present invention is provided with TTL interface circuit and difference interface circuit, can be according to debugged product
Interface case, select and the interface of debugged product, can connect by TTL interface, connected by differential interface or lead to
Cross TTL interface circuit and difference interface circuit is all connected with debugged product.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described signal generating circuit includes configuration circuit and FPGA circuitry；
Described configuration circuit, it is used for storing configuration processor, downloads for FPGA circuitry, the need according to combination debugging in program
Allocate the address that signal generating circuit is with usb circuit communication and the address of generation synchronizing signal in advance；
Described FPGA circuitry, it is used for downloading configuration processor from configuration circuit and executing, and produces the required synchronization of debugging
Signal or communication signal, according to the connection of debugged product set in advance and interface, synchronizing signal are sent to TTL and connect
Mouth circuit or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit.
Beneficial effect using above-mentioned further scheme：The present invention according to combination debugging need allocate in advance signal produce
Address and the address producing synchronizing signal that circuit is communicated with usb circuit, when being debugged, connect according to USB interface
The address information received, judges to need to produce synchronizing signal or communication signal.
Further, described synchronizing signal includes TTL synchronizing signal and/or difference synchronizing signal.
Further, described communication signal includes external trigger signal and/or the difference of TTL communication signal and/or tester
Communication signal.
Further, described TTL interface circuit adopts 74HCT245 chip.
Further, described difference interface circuit adopts DS26C31TM chip and DS26C32ATM chip, equal and FPGA circuitry
Connect.
Another technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of many letters for combination stage production debugging
Number production method, comprises the steps：
Step 1, is connected with debugging computer by usb circuit, is that the multi signal for combination stage production debugging produces
Generating apparatus are powered, and signal generating circuit is initialized；
Step 2, the address realm of the address information being received according to usb circuit, produce the required synchronizing signal of debugging
Or communication signal；
Step 3, according to the connection of debugged product set in advance and interface, synchronizing signal is sent to TTL and connects
Mouth circuit or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit；
Step 4, TTL interface circuit, the synchronizing signal of reception and/or communication signal are sent to connected debugged
Product and/or tester；The synchronizing signal of reception and/or communication signal are sent to connected quilt by difference interface circuit
Debugging product.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in step 1, signal generating circuit initializes specifically, the FPGA circuitry of signal generating circuit is from configuration core
Piece downloads configuration processor, has allocated signal generating circuit in advance according to the needs of combination debugging and lead to usb circuit in program
The address of news and the address producing synchronizing signal.
Further, described synchronizing signal includes TTL synchronizing signal and/or difference synchronizing signal.
Further, described communication signal includes external trigger signal and/or the difference of TTL communication signal and/or tester
Communication signal.
Brief description
Fig. 1 is a kind of circuit structure diagram of multi signal generation device for combination stage production debugging of the present invention；
Fig. 2 is the physical circuit figure of Fig. 1；
Fig. 3 is a kind of multi signal production method flow chart for combination stage production debugging of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.
As shown in figure 1, a kind of multi signal generation device for combination stage production debugging, including usb circuit, signal
Produce circuit, TTL interface circuit and difference interface circuit, described usb circuit is connected with signal generating circuit, described signal
Produce circuit to be connected with TTL interface circuit and difference interface circuit respectively；Described usb circuit, it is used for calculating with debugging
Machine is connected as device and powers, and signal generating circuit is initialized；Described signal generating circuit, it is used for being connect according to USB
The address realm of the address information that mouthful circuit receives, produces the required synchronizing signal of debugging or communication signal, according to presetting
Debugged product and interface connection, synchronizing signal is sent to TTL interface circuit or difference interface circuit, will communicate
Signal is sent to TTL interface circuit or difference interface circuit；Described TTL interface circuit, its be used for will receive synchronizing signal and/
Or communication signal is sent to connected debugged product and/or tester；Described difference interface circuit, it is used for connecing
The synchronizing signal received and/or communication signal are sent to connected debugged product.Described synchronizing signal includes TTL and synchronously believes
Number and/or difference synchronizing signal.Described communication signal include TTL communication signal and/or tester external trigger signal and/or
Differential communication signal.
As shown in Fig. 2 described signal generating circuit includes configuration circuit and FPGA circuitry；Described configuration circuit, it is used for
Storage configuration processor, for FPGA circuitry download, in program according to combination debugging needs allocated in advance signal generating circuit with
The address of usb circuit communication and the address producing synchronizing signal；Described FPGA circuitry, under it is used for from configuration circuit
Carry configuration processor simultaneously to execute, produce the required synchronizing signal of debugging or communication signal, according to debugged product set in advance with
The connection of interface, synchronizing signal is sent to TTL interface circuit or difference interface circuit, communication signal is sent to TTL
Interface circuit or difference interface circuit.Described TTL interface circuit adopts 74HCT245 chip.Described difference interface circuit adopts
DS26C31TM chip and DS26C32ATM chip, are all connected with FPGA circuitry.
As shown in figure 3, a kind of multi signal production method for combination stage production debugging, comprise the steps：
Step 1, is connected with debugging computer by usb circuit, is that the multi signal for combination stage production debugging produces
Generating apparatus are powered, and signal generating circuit is initialized；
Step 2, the address realm of the address information being received according to usb circuit, produce the required synchronizing signal of debugging
Or communication signal；
Step 3, according to the connection of debugged product set in advance and interface, synchronizing signal is sent to TTL and connects
Mouth circuit or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit；
Step 4, TTL interface circuit, the synchronizing signal of reception and/or communication signal are sent to connected debugged
Product and/or tester；The synchronizing signal of reception and/or communication signal are sent to connected quilt by difference interface circuit
Debugging product.
Described synchronizing signal includes TTL synchronizing signal and/or difference synchronizing signal.Described communication signal includes TTL communication
The external trigger signal of signal and/or tester and/or differential communication signal.
Wherein, in step 1, signal generating circuit initializes specifically, the FPGA circuitry of signal generating circuit is from configuration chip
Download configuration processor, allocated signal generating circuit in advance according to the needs of combination debugging in program and communicated with usb circuit
Address and produce synchronizing signal address.
Device of the present invention and debugging computer are after usb data cable connection, you can this device is powered up, immediately
FPGA initialization program within device；The difference of the address that FPGA program receives according to USB interface, corresponding generation is synchronous
Sequential or carry out data exchange, thus reach the purpose of cooperation combination stage production debugging.Due to employing USB interface so that being somebody's turn to do
Device supports the characteristic of hot plug, the development of debugging efforts of being more convenient for.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of multi signal generation device for combination stage production debugging is it is characterised in that include usb circuit, signal
Produce circuit, TTL interface circuit and difference interface circuit, described usb circuit is connected with signal generating circuit, described signal
Produce circuit to be connected with TTL interface circuit and difference interface circuit respectively；
Described usb circuit, it is powered for being connected as device with debugging computer, and signal generating circuit is carried out initially
Change；
Described signal generating circuit, it is used for the address realm of the address information according to usb circuit reception, produces debugging institute
The synchronizing signal needing or communication signal, according to the connection of debugged product set in advance and interface, synchronizing signal are sent out
Give TTL interface circuit or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit；
Described TTL interface circuit, it is connected debugged for being sent to the synchronizing signal of reception and/or communication signal
Product and/or tester；
Described difference interface circuit, it is used for for the synchronizing signal of reception and/or communication signal being sent to connected tune
Trial product.
2. according to claim 1 a kind of multi signal generation device for combination stage production debugging it is characterised in that described
Signal generating circuit includes configuration circuit and FPGA circuitry；
Described configuration circuit, it is used for storing configuration processor, downloads for FPGA circuitry, pre- according to the needs of combination debugging in program
First it is assigned the address that signal generating circuit is with usb circuit communication and the address of generation synchronizing signal；
Described FPGA circuitry, it is used for downloading configuration processor from configuration circuit and executing, and produces the required synchronizing signal of debugging
Or communication signal, according to the connection of debugged product set in advance and interface, synchronizing signal is sent to TTL interface electricity
Road or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit.
3. according to claim 1 a kind of multi signal generation device for combination stage production debugging it is characterised in that described
Synchronizing signal includes TTL synchronizing signal and/or difference synchronizing signal.
4. according to claim 1 a kind of multi signal generation device for combination stage production debugging it is characterised in that described
Communication signal includes external trigger signal and/or the differential communication signal of TTL communication signal and/or tester.
5. according to claim 1 a kind of multi signal generation device for combination stage production debugging it is characterised in that described
TTL interface circuit adopts 74HCT245 chip.
6. according to claim 1 a kind of multi signal generation device for combination stage production debugging it is characterised in that described
Difference interface circuit adopts DS26C31TM chip and DS26C32ATM chip, is all connected with FPGA circuitry.
7. a kind of multi signal production method for combination stage production debugging is it is characterised in that comprise the steps：
Step 1, is connected with debugging computer by usb circuit, is that the multi signal for combination stage production debugging produces dress
Put power supply, and signal generating circuit is initialized；
Step 2, the address realm of the address information being received according to usb circuit, produce the required synchronizing signal of debugging or logical
News signal；
Step 3, according to the connection of debugged product set in advance and interface, synchronizing signal is sent to TTL interface electricity
Road or difference interface circuit, communication signal is sent to TTL interface circuit or difference interface circuit；
Step 4, TTL interface circuit, the synchronizing signal of reception and/or communication signal are sent to connected debugged product
And/or tester；The synchronizing signal of reception and/or communication signal are sent to connected debugged by difference interface circuit
Product.
8. according to claim 7 a kind of multi signal production method for combination stage production debugging it is characterised in that step
Signal generating circuit initialization in 1 is specifically, the FPGA circuitry of signal generating circuit downloads configuration processor, program from configuration chip
The middle needs according to combination debugging are allocated the address of signal generating circuit and usb circuit communication in advance and are produced synchronous
The address of signal.
9. according to claim 7 a kind of multi signal production method for combination stage production debugging it is characterised in that described
Synchronizing signal includes TTL synchronizing signal and/or difference synchronizing signal.
10. according to claim 7 a kind of multi signal production method for combination stage production debugging it is characterised in that institute
State external trigger signal and/or the differential communication signal that communication signal includes TTL communication signal and/or tester.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410693960.0A CN104460375B (en) | 2014-11-26 | 2014-11-26 | Multi-signal generation device and method used for combined grade product debugging |
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|---|---|---|---|
| CN201410693960.0A CN104460375B (en) | 2014-11-26 | 2014-11-26 | Multi-signal generation device and method used for combined grade product debugging |
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| Publication Number | Publication Date |
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| CN104460375A CN104460375A (en) | 2015-03-25 |
| CN104460375B true CN104460375B (en) | 2017-02-22 |
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| CN201410693960.0A Active CN104460375B (en) | 2014-11-26 | 2014-11-26 | Multi-signal generation device and method used for combined grade product debugging |
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| CN108282242B (en) * | 2017-01-05 | 2020-09-08 | 北京四维图新科技股份有限公司 | Space-time synchronization device and system, map acquisition vehicle and map intelligent production system |
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| US9952276B2 (en) * | 2013-02-21 | 2018-04-24 | Advantest Corporation | Tester with mixed protocol engine in a FPGA block |
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| CN201751898U (en) * | 2010-07-01 | 2011-02-23 | 珠海欧比特控制工程股份有限公司 | 1553B bus test device |
| CN201984475U (en) * | 2011-02-11 | 2011-09-21 | 南京工业职业技术学院 | USB automatic identification multifunction converter |
| CN202512509U (en) * | 2012-02-29 | 2012-10-31 | 吉首大学 | Universal serial bus (USB) serial port debugger |
| CN202998140U (en) * | 2012-06-07 | 2013-06-12 | 武汉电信器件有限公司 | Device for downloading FPGA and MCU program in CFP optical module |
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| CN104460375A (en) | 2015-03-25 |
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