CN109460327A - The multi-functional six serial port communication chips detection module of one kind and its working method - Google Patents
The multi-functional six serial port communication chips detection module of one kind and its working method Download PDFInfo
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- CN109460327A CN109460327A CN201811138502.5A CN201811138502A CN109460327A CN 109460327 A CN109460327 A CN 109460327A CN 201811138502 A CN201811138502 A CN 201811138502A CN 109460327 A CN109460327 A CN 109460327A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2215—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test error correction or detection circuits
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Abstract
A kind of multi-functional six serial port communication chips detection module, including six serial port communication chip to be measured, logic control element, interface module, function interconnecting module and communication chip pedestal；Its detection method is to send sign on, complete to initialize, detection ready signal, send data, judgement calibration, data/address bus return display, judge chip status；The detection of 6-8 chip can be completed at the same time；It can be applied to industry spot, in laboratory environment；Convenient for unified management and remote control.
Description
Technical field
The present invention relates to chip detection technique field, especially a kind of multi-functional six serial port communication chips detection module and its
Working method can be applied to industry spot, in laboratory environment, realize to multifunctional serial port chip carry out detection monitoring and
Data interaction.
Background technique
Currently, either industrial site or laboratory environment, electronic equipment is more and more and various serial ports cores
Piece is many kinds of, such as 422 chip of full duplex, semiduplex 485 chip and 232 serial port chips, detects serial port chip
Whether various functions, which meet design requirement, becomes very necessary, especially logical to multi-functional six serial ports of such as HT-3300MQ80V2
News chip is this can to meet six road serial communications simultaneously, and the chip functions detection of included isolation effect becomes particularly important, (with
Lower multi-functional six serial port communication chip of abbreviation), in the prior art, PCB is detected or is welded to frequently with sampling Detection, monolithic
It is detected on plate, is all artificial single operation, lack Systematic Testing equipment, and be serial ports missing inspection situation often occur
Either think that the test bench for lacking profession in operating process causes physical damnification, exists to six serial communication cores after the completion of detection
The problems such as piece Function detection is not complete, detection efficiency is low, failure of chip track record is difficult, and cannot achieve the unified pipe of equipment
Reason.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-functional six serial port communication chips detection module and its working methods, it can
It is the mould that a kind of structure is simple, detection function is comprehensive, detection efficiency is high, easy to accomplish to overcome the practical problem currently faced
Block and working method.
Technical solution of the present invention: a kind of multi-functional six serial port communication chips detection module, including six serial communication to be measured
Chip, it is characterised in that it includes logic control element, interface module, function interconnecting module and communication chip pedestal；Wherein, institute
Stating logic control element is in respectively to be bi-directionally connected with interface module and function interconnecting module；The interface module and standard industrial control machine
Between in being bi-directionally connected；The function interconnecting module is fixed on communication chip pedestal, between six serial port communication chip to be measured
In being bi-directionally connected.
The logic control element is 1, using ARM920T chip, for realizing the data shape of six serial communication modules
The read-write and timing control of state sense command, while will test analysis result and being sent to standard industrial control machine and shown；It is involved
ARM920T chip can carry out detection management to 6-8 six serial port communication chips to be measured simultaneously.
The interface module is 1, can be RS422 or RS485 serial interface module.
The interface module is 1 RS422 interface module, selects LTM2881 chip, forms standard RS422 interface circuit
Structure realizes that the data information to the analysis processing of ARM chip 1 carries out isolation conversion, is completed at the same time between standard industrial control machine
Data exchange control, and then realize the communication of RS422 bus data.
The quantity of the function interconnecting module, communication chip pedestal and six serial port communication chip to be measured is at least 1.
The function interconnecting module is 6, and the communication chip pedestal is 6, is arranged 1 on each communication chip pedestal
Function interconnecting module.
Six serial port communication chip to be measured is 6, is bi-directionally connected respectively with 6 function interconnecting modules in one-to-one correspondence,
And each interconnecting module is that 1 road serial data and logic control are merged into the 6 road serial datas conversion of a chip to be measured
Unit communications；Six serial port communication chip to be measured is mounted in the slot of communication chip pedestal, and will by a upper header
Chip locking.
Six serial port communication chip to be measured is HT-3300MQ80V2 chip.
The communication chip pedestal is A-QFP-80-0.5 chip communication mounting base device, mainly by top locking lid, core
The press contact copper needle composition that piece installation groove and slot are embedded in, is assembled by connecting shaft and Screw, for realizing
The precise positioning and seamless interfacing of HT-3300MQ80V2 multi-functional six serial port communication chip and function interconnecting module, while protecting
The electric appliance connection attribute for ensuring 80 pins of chip in the case where card physical function guarantees that connection relationship is normal, data-signal
Communication is gone on smoothly.
The function interconnecting module is signal converting circuit structure, for realizing communication chip pedestal and chip detection module
Signal connection, realize the switching of 422 full-duplex modes and 485 semiduplex modes, while the realization chip on interconnecting module
Pressure stabilizing and overcurrent protection, it is ensured that Current Voltage value works chip in the reasonable scope under normal circumstances.
A kind of working method of multi-functional six serial port communication chips detection module, it is characterised in that it is included the next steps:
(1) sign on is sent, sign on is sent to logic control by the data/address bus of interface module by standard industrial control machine
Unit；
(2) six serial port communication chip to be measured is detected, the sign on of industrial personal computer, starting inspection is received by logic control element
Ranging sequence, and complete to initialize；
(3) the ready signal of six serial port communication chip to be measured is detected, if detecting the ready signal of chip to be measured,
Send data to six serial port communication chip to be measured in the form of data packet by logic control element；If ready is not detected
Signal then continues to return to initialize and be detected；
(4) judgement calibration is carried out to receiving data, when six serial port communication chip to be measured receives logic control element transmission
After data, then by this data feedback to logic control element, logic control element receive after feedback signal with send before
Calibration is compared in data information, and whether the transmission of normal and data is wrong for the communication of detection six serial port communication chip to be measured,
And will judge that calibration result is sent to standard industrial control machine, carry out processing record；
(5) after the communication state detection judgement for completing six serial port communication chip to be measured of step (4), all judging results will be by patrolling
It collects control unit and is shown that operator can be with according to feedback result back to standard industrial control machine by the data/address bus of interface module
Judge the functional status of chip；
(6) under to normal situation is detected per serial ports all the way, then six serial ports of each chip are detected simultaneously, at this point, only needing
The test of six serial ports while sending and receiving data is carried out by the timing that logic control element is set in advance, and detects the work of serial port chip
State；Similarly, six serial port communication chip to be measured of institute's carry presses this on every multi-functional six serial port communication chips detection module
Mode is detected, and need to only be can be realized by the operation button on switch device.
The content of data packet in the step (3) includes video information and audio-frequency information.
The working principle of the invention: by one, standard industrial control machine as the terminal server for receiving display, make multi-functional
Six serial port communication chip detection modules are connect with industrial personal computer, pass through the ARM chip of full duplex serial port bus and logic control element
Timing control is carried out, completion is written and read each interface module, the order transmitted with serial ports is formatted
Be issued to ARM control chip, while by logic control element institute's detection and tracking record each chip status information by with
Serial ports offers terminating machine.
Superiority of the invention: by the control of logic control element (main control chip ARM), each transfer detection module and spy
Determine base engagement, the detection of 6-8 chip can be efficiently completed simultaneously, and all detections operation control can be complete by industrial personal computer
At；It can be applied to industry spot, in laboratory environment, realize the detection to multifunctional serial port chip functions index, and can pass through
With the data exchange of standard industrial control machine, the integration of every detection data is realized；The module can be logical in existing multi-functional six serial ports
It on the basis of interrogating chip, is controlled by serial ports by distal end industrial personal computer, realizes the detection, monitoring and data to multifunctional serial port chip
Interaction；Meanwhile realizing chip detection, accident analysis and the integrated unified management of data record and remote control function.
Detailed description of the invention
Fig. 1 is the overall structure schematic block diagram of the multi-functional six serial port communication chips detection module of one kind involved by the present invention.
Fig. 2 is that the main connection relationship of serial ports between each 6 road serial ports of chip of the present invention and logic control element is illustrated
Figure.
Fig. 3 is the flow diagram of the multi-functional six serial port communication chips detection module working method of one kind involved by the present invention.
Wherein, 1 is logic control element；2 be interface module；3 be function interconnecting module；4 be communication chip pedestal.
Specific embodiment
Embodiment: a kind of multi-functional six serial port communication chips detection module, as shown in Figure 1, including six serial communication to be measured
Chip, it is characterised in that it includes logic control element 1, interface module 2, function interconnecting module 3 and communication chip pedestal 4；Its
In, the logic control element is in respectively to be bi-directionally connected with interface module and function interconnecting module；The interface module and standard
It is in be bi-directionally connected between industrial personal computer；The function interconnecting module is fixed on communication chip pedestal, with six serial communications core to be measured
It is in be bi-directionally connected between piece.
The logic control element 1 is 1, using ARM920T chip, for realizing the data shape of six serial communication modules
The read-write and timing control of state sense command, while will test analysis result and being sent to standard industrial control machine and shown；It is involved
ARM920T chip can carry out detection management to 6-8 six serial port communication chips to be measured simultaneously, as shown in Figure 2.
The interface module 2 is 1, can be RS422 or RS485 serial interface module, as shown in Figure 2.
The interface module 2 is 1 RS422 interface module, selects LTM2881 chip, forms standard RS422 interface circuit
Structure realizes that the data information to the analysis processing of ARM chip 1 carries out isolation conversion, is completed at the same time between standard industrial control machine
Data exchange control, and then realize the communication of RS422 bus data.
The quantity of the function interconnecting module 3, communication chip pedestal 4 and six serial port communication chip to be measured is at least 1, such as
Shown in Fig. 1, Fig. 2.
The function interconnecting module 3 is 6, and the communication chip pedestal 4 is 6, is arranged on each communication chip pedestal 4
1 function interconnecting module 3, as shown in Figure 2.
Six serial port communication chip to be measured is 6, is bi-directionally connected respectively with 6 function interconnecting modules 3 in one-to-one correspondence,
And each function interconnecting module 3 is that 1 road serial data and logic are merged into the 6 road serial datas conversion of a chip to be measured
Control unit 1 communicates；Six serial port communication chip to be measured is mounted in the slot of communication chip pedestal 4, and passes through a top
Top cover locks chip, as shown in Figure 2.
Six serial port communication chip to be measured is HT-3300MQ80V2 chip.
The communication chip pedestal 4 is A-QFP-80-0.5 chip communication mounting base device, mainly by top locking lid, core
The press contact copper needle composition that piece installation groove and slot are embedded in, is assembled by connecting shaft and Screw, for realizing
The precise positioning and seamless interfacing of HT-3300MQ80V2 multi-functional six serial port communication chip and function interconnecting module, while protecting
The electric appliance connection attribute for ensuring 80 pins of chip in the case where card physical function guarantees that connection relationship is normal, data-signal
Communication is gone on smoothly.
The function interconnecting module 3 is signal converting circuit structure, detects mould for realizing communication chip pedestal and chip
The signal of block connects, and realizes the switching of 422 full-duplex modes and 485 semiduplex modes, while chip is realized on interconnecting module
Pressure stabilizing and overcurrent protection, it is ensured that Current Voltage value works chip in the reasonable scope under normal circumstances.
A kind of working method of multi-functional six serial port communication chips detection module, such as Fig. 3 are shown it is characterized in that it includes
Once step:
(1) sign on is sent, sign on is sent to logic control by the data/address bus of interface module 2 by standard industrial control machine
Unit 1；
(2) six serial port communication chip to be measured is detected, the sign on of industrial personal computer, starting is received by logic control element 1
Program is detected, and completes to initialize；
(3) the ready signal of six serial port communication chip to be measured is detected, if detecting the ready signal of chip to be measured,
Six serial port communication chip to be measured is sent data in the form of data packet by logic control element 1；If ready is not detected
Signal then continues to return to initialize and be detected；
(4) judgement calibration is carried out to receiving data, when six serial port communication chip to be measured receives the transmission of logic control element 1
After data, then by this data feedback to logic control element 1, logic control element 1 receive after feedback signal with send before
Data information be compared calibration, detecting the communication of six serial port communication chip to be measured, whether the transmission of normal and data has
Accidentally, it and will judge that calibration result is sent to standard industrial control machine, carry out processing record；
(5) after the communication state detection judgement for completing six serial port communication chip to be measured of step (4), all judging results will be by patrolling
It collects control unit 1 to be shown by the data/address bus of interface module 2 back to standard industrial control machine, operator can be with tying according to feedback
Fruit judges the functional status of chip；
(6) under to normal situation is detected per serial ports all the way, then six serial ports of each chip are detected simultaneously, at this point, only needing
The test of six serial ports while sending and receiving data is carried out by the timing that logic control element is set in advance, and detects the work of serial port chip
State；Similarly, six serial port communication chip to be measured of institute's carry presses this on every multi-functional six serial port communication chips detection module
Mode is detected, and need to only be can be realized by the operation button on switch device.
The content of data packet in the step (3) includes video information and audio-frequency information.
Below with reference to embodiment and its attached drawing, the present invention is described in more detail.
The detection module hardware annexation (referring to Fig. 1) that the present invention designs:
One, it realizes by standard industrial control machine and is connect with multi-functional six serial port communication chips detection module, pass through RS422/485 interface
Module and ARM chip constitute serial communication display portion, carry out receiving the status information that display ARM chip is transmitted；
Two, ARM chip is connect with function interconnecting module and communication chip pedestal, main to realize six serial port communication chip detection process
In communication with ARM chip, while each interconnecting module realizes and converts six road serial data of a chip merging to all the way
Data are realized and main control chip ARM communication function (referring to fig. 2), guarantee that each functional pin of chip can have physical connection
And all has testability；
Three, communication chip pedestal is connect with six serial port communication chips, is realized by the method that elastic press type contacts, chip is packed into bottom
In seat slot, upper header locks chip, realizes physical connection, guarantees that communication is normal.
ARM chip of the present invention for realizing the data mode sense command of each chip read-write and timing control,
It will test analysis result simultaneously to be sent to standard industrial control machine and shown.The ARM chip of embodiment is ARM920T, multi-functional
Six serial port communication chips detect in the course of work, while carry 6-8 chips to be detected, be responsible for will by function interconnecting module and
Communication chip pedestal sends six serial ports, and either synchronously or asynchronously read write command is defeated in 40MHz clock to multi-functional six serial port communication chip
Fashionable, then highest baud rate 2.5Mbps is judged the functional parameter of each chip by read-write state, while carrying out status number
It is judged that analysis, and recorded, standard industrial control machine is sent to by RS422 interface module 2 and completes display.
RS422 interface module of the present invention assists ARM chip to realize to multi-functional six serial communications data result
Transmitting.The RS422 interface module of embodiment selects LTM2881 chip, forms standard RS422 interface circuit, main to realize to ARM
The data information of the analysis processing of chip 1 carries out isolation conversion, is completed at the same time and controls with the data exchange of standard industrial control machine, realizes
The communication of RS422 bus data.
Function interconnecting module of the present invention is signal converting circuit, for realizing multi-functional six serial port communication chip bottom
Seat is connected with the signal of chip detection module, realizes the switching of 422 full-duplex modes and 485 semiduplex modes, while being transferred
The pressure stabilizing and overcurrent protection of chip are realized in module, it is ensured that chip Current Voltage value work in the reasonable scope under normal circumstances
Make.
Multi-functional six serial port communication chips pedestal of the present invention selects specific A-QFP-80-0.5 chip communication mounting base device
Part, it is seamless right for realizing the precise positioning of HT-3300MQ80V2 multi-functional six serial port communication chips and function interconnecting module
It connects, while must assure that the electric appliance connection attribute of its 80 pins in the case where guaranteeing physical function, it is ensured that items connection is closed
System is normal, and data-signal communication is gone on smoothly.
Multi-functional six serial port communication chips detection process software realization mode of the present invention is roughly divided into the following steps
(referring to Fig. 3):
First, sign on is sent, sign on is sent to main control chip ARM by RS422 data/address bus by industrial personal computer；
Second, start test program, after master control ARM chip receives the sign on of industrial personal computer, starting detection program, and it is complete
At initialization, the ready signal detection for carrying out multi-functional six serial port chip passes through TX if detecting the ready signal of chip
End sends data to serial port chip (data content is by taking video information, audio-frequency information as an example) in the form of data packet, if not detecting
To ready signal, then continues to return to initialize and be detected；
Third, data judgement calibration are arrived after multi-functional six serial port chip to be measured receives the data of ARM chip transmission in feedback
Calibration is compared with the data information sent before after receiving feedback signal, detects core for the end RX of ARM chip, ARM chip
Whether whether the transmission of normal and data is wrong for piece communication, will judge that calibration result carries out processing record；
4th, data feedback, after completing the communication state detection judgement of serial port chip, all judging results will be by ARM chip
It is shown by RS422 data/address bus back to industrial personal computer, operator can be with judging the functional status of chip according to feedback result；
5th, start six serial ports of each chip in the case where detecting normal situation per serial ports all the way while detecting, it only need to be by ARM core
The timing that piece is set in advance carries out six serial ports while receiving and dispatching test, and detects the working condition of serial port chip, similarly every detection
6 chips to be detected of institute's carry are detected in this way in equipment, only need operation button on switch device i.e.
It can.
Embodiment shows a kind of multi-functional six serial port communication chips detection module of the invention, can be by completion rapidly and efficiently
The Function detection of multifunctional serial port chip, accident analysis record and unified management control under industrial production or laboratory environment are
The specific multi-functional six serial port communication chips detection of HT-3300MQ80V2 provides the solution being simple and efficient.
Above embodiments are only the concrete applications to the multi-functional six serial port communication chips detection module of one kind of the invention, all
The modification and non-intrinsically safe carried out in the claim of this application technical solution is improved, in the claim of this application protection scope
Within.
Claims (10)
1. a kind of multi-functional six serial port communication chips detection module, including six serial port communication chip to be measured, it is characterised in that it is wrapped
Include logic control element, interface module, function interconnecting module and communication chip pedestal；Wherein, the logic control element difference
It is in be bi-directionally connected with interface module and function interconnecting module；It is in be bi-directionally connected between the interface module and standard industrial control machine；Institute
It states function interconnecting module to be fixed on communication chip pedestal, is in be bi-directionally connected between six serial port communication chip to be measured.
2. a kind of multi-functional six serial port communication chips detection module according to claim 1, it is characterised in that the logic control
Unit processed is 1, using ARM920T chip, for realizing the data mode sense command of six serial communication modules read-write and
Timing control, while will test analysis result and being sent to standard industrial control machine and shown；Involved ARM920T chip can be simultaneously to 6-
8 six serial port communication chips to be measured carry out detection management.
3. a kind of multi-functional six serial port communication chips detection module according to claim 1, it is characterised in that the interface mould
Block is 1, can be RS422 or RS485 serial interface module.
4. a kind of multi-functional six serial port communication chips detection module according to claim 3, it is characterised in that the interface mould
Block is 1 RS422 interface module, selects LTM2881 chip, forms standard RS422 interface circuit structure, is realized to ARM chip 1
The data information of analysis processing carries out isolation conversion, the data exchange control being completed at the same time between standard industrial control machine, Jin Ershi
Existing RS422 bus data communication.
5. a kind of multi-functional six serial port communication chips detection module according to claim 1, it is characterised in that the function turns
The quantity of connection module, communication chip pedestal and six serial port communication chip to be measured is at least 1.
6. a kind of multi-functional six serial port communication chips detection module according to claim 5, it is characterised in that the function turns
Connection module is 6, and the communication chip pedestal is 6, and 1 function interconnecting module is arranged on each communication chip pedestal.
7. a kind of multi-functional six serial port communication chips detection module according to claim 1, it is characterised in that described to be measured six
Serial port communication chip is 6, is bi-directionally connected respectively with 6 function interconnecting modules in one-to-one correspondence, and each interconnecting module is
1 road serial data is merged into the 6 road serial datas conversion of one chip to be measured and logic control element communicates；Described to be measured six
Serial port communication chip is mounted in the slot of communication chip pedestal, and is locked chip by a upper header.
8. a kind of multi-functional six serial port communication chips detection module according to claim 7, it is characterised in that described to be measured six
Serial port communication chip is HT-3300MQ80V2 chip.
9. a kind of multi-functional six serial port communication chips detection module according to claim 1, it is characterised in that the communication core
Piece pedestal is A-QFP-80-0.5 chip communication mounting base device；The function interconnecting module is signal converting circuit structure, is used
In realizing that communication chip pedestal connect with the signal of chip detection module, 422 full-duplex modes of realization and 485 semiduplex modes
Switch, while realizing the pressure stabilizing and overcurrent protection of chip on interconnecting module, it is ensured that Current Voltage value is equal under normal circumstances for chip
It works in the reasonable scope.
10. a kind of working method of multi-functional six serial port communication chips detection module, it is characterised in that it is included the next steps:
(1) sign on is sent, sign on is sent to logic control by the data/address bus of interface module by standard industrial control machine
Unit；
(2) six serial port communication chip to be measured is detected, the sign on of industrial personal computer, starting inspection is received by logic control element
Ranging sequence, and complete to initialize；
(3) the ready signal of six serial port communication chip to be measured is detected, if detecting the ready signal of chip to be measured,
Send data to six serial port communication chip to be measured in the form of data packet by logic control element；If ready is not detected
Signal then continues to return to initialize and be detected；The content of data packet includes video information and audio-frequency information；
(4) judgement calibration is carried out to receiving data, when six serial port communication chip to be measured receives logic control element transmission
After data, then by this data feedback to logic control element, logic control element receive after feedback signal with send before
Calibration is compared in data information, and whether the transmission of normal and data is wrong for the communication of detection six serial port communication chip to be measured,
And will judge that calibration result is sent to standard industrial control machine, carry out processing record；
(5) after the communication state detection judgement for completing six serial port communication chip to be measured of step (4), all judging results will be by patrolling
It collects control unit and is shown that operator can be with according to feedback result back to standard industrial control machine by the data/address bus of interface module
Judge the functional status of chip；
(6) under to normal situation is detected per serial ports all the way, then six serial ports of each chip are detected simultaneously, at this point, only needing
The test of six serial ports while sending and receiving data is carried out by the timing that logic control element is set in advance, and detects the work of serial port chip
State；Similarly, six serial port communication chip to be measured of institute's carry presses this on every multi-functional six serial port communication chips detection module
Mode is detected, and need to only be can be realized by the operation button on switch device.
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| CN201811138502.5A CN109460327A (en) | 2018-09-28 | 2018-09-28 | The multi-functional six serial port communication chips detection module of one kind and its working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111273155A (en) * | 2020-02-13 | 2020-06-12 | 佛山普瑞威尔科技有限公司 | Chip burning detection method and system and computer readable storage medium |
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| US20180268132A1 (en) * | 2012-12-05 | 2018-09-20 | Nxp B.V. | Hardware isolated secure processing system within a secure element |
| CN106469104A (en) * | 2016-08-31 | 2017-03-01 | 无锡市同步电子科技有限公司 | A kind of multichannel PCB coupling assembly test device |
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Application publication date: 20190312 |