CN106230523A - A kind of OOK electrical property modem automatization test system and method - Google Patents
A kind of OOK electrical property modem automatization test system and method Download PDFInfo
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- CN106230523A CN106230523A CN201610835863.XA CN201610835863A CN106230523A CN 106230523 A CN106230523 A CN 106230523A CN 201610835863 A CN201610835863 A CN 201610835863A CN 106230523 A CN106230523 A CN 106230523A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Telephonic Communication Services (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The open a kind of OOK electrical property modulator-demodulator testing system of the present invention and method, including: for fixing modem to be measured, and control the test fixture of modem OOK electric performance test；Being provided with test shelves and manual test shelves automatically on test fixture, when selecting automatically to test shelves, test fixture is electrically connected with computer by USB interface, and when selecting manual test shelves, USB connects DC source and is charged.A kind of OOK electrical property modem automatization test system of the present invention and method, by using USB interface and test platform communication, launched by 485 interfaces or 232 Interface Controller OOK modems and receive.Using manually and automatically both of which nondestructive to modem transmitting power, demodulator threshold level is tested, and i.e. ensure that the quality of production, also ensure that production efficiency.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of OOK electrical property modem automatization test system
And method.
Background technology
Along with the arrival in 3G, 4G epoch, optimizing and revising of cordless communication network becomes more and more frequent, and electricity tune equipment is having
Effect can also reduce the interference to adjacent area while strengthening MPS process, has real-time good, and precision is high, and adjusting range is wide, regulation
The advantages such as convenience.
Antenna feeder end electricity adjusts equipment to be communicated with base station end by OOK signal, to base station end and antenna feeder end in 3GPP agreement
The transmitting power regulations of OOK manipulator is that 3dBm ± 2dBm, OOK demodulator effectively receives power regulations and is >-12dBm, invalid connect
Receipts power regulations is <-18dBm.But owing to this OOK modulation-demodulation circuit is an integrated module in systems, it is impossible to individually
This index is tested.Test traditionally this circuit module need to from system wire jumper, product can be produced certain destruction, no
It is suitable for batch testing, it is difficult to ensure the quality of production and efficiency.
Summary of the invention
For weak point present in above-mentioned technology, the present invention provides and can test circuit from outside, and suitable
Close a kind of OOK electrical property modem automatization test system and the method for batch testing.
In order to achieve the above object, the open a kind of OOK electrical property modulator-demodulator testing system of the present invention, including: it is used for
Fixing modem to be measured, and control the test fixture of modem OOK electric performance test；Set on described test fixture
Being equipped with test shelves and manual test shelves automatically, when selecting automatically to test shelves, described test fixture is electrically connected with computer by USB interface
Connecing, when selecting manual test shelves, described USB connects power supply and is charged.
Wherein, described modem being also associated with test circuit, described test circuit electrically connects with DC source, institute
Stating DC source provides electric energy to test circuit, described test circuit is also associated with for providing test to use to modem
The signal source of the signal of telecommunication, be modulated demodulator accept power threshold test, and by LED show test result, institute
The output frequency stating signal source is 2.176Mhz.
Wherein, described modem being also associated with test circuit, described test circuit electrically connects with DC source, institute
State DC source provide electric energy to test circuit, described test circuit is also associated with for measure modem carry out send out
The energy meter of the size of power when penetrating power test.
Wherein, described test fixture include main control module, burning module, manual control module, USB modular converter and connect
Mouth modular converter；Described burning module, manual control module and interface modular converter electrically connect with main control module respectively, described
USB modular converter electrically connects with interface modular converter, described main control module is also associated with control button, and described control button is used
Send still test data receiver in manually selecting test shelves or manual test shelves and selection test data automatically, work as selection
Automatically during test shelves, manual test module disconnects automatically, and when selecting manual test shelves to be, manual test module is dynamically connected certainly, when
When selecting test data to send, carry out launching power test, when selecting test data receiver, carry out accepting power threshold and survey
Examination.
Wherein, described main control module uses LPC1114 chip, and described USB modular converter uses FT232RL chip, described
Interface modular converter includes RS485 modular converter and RS232 modular converter, and described RS485 modular converter uses MAX3082ESA
Chip, described RS232 modular converter uses MAX232 chip, after described FT232RL chip is connected with MAX232 chip, passes through
After MAX232 chip is connected with LPC1114 chip and communicates, or FT232RL chip is connected with MAX3082ESA chip, logical
Crossing FT232RL chip to be connected with LPC1114 chip and communicate, described LPC1114 chip is electrically connected with manual control module and taps into
Row test shelves automatically and manual test shelves, test data send and select with test data receiver.
A kind of method that invention additionally discloses OOK electrical property modem trainup, comprises the following steps:
When selecting manual, manual control module controls test fixture and modem is carried out OOK electric performance test,
And described modem is charged by USB interface being connected with power supply；
When selecting automatic transmission, computer is connected with described modem by USB interface, and transmits test parameter, institute
State test fixture according to test parameter, modem to be tested.
Wherein, when carrying out accepting power threshold test, pass through test by the signal source that output frequency is 2.176MHZ
Circuit sends the signal of telecommunication to modem, and described test fixture shows test result by LED.
Wherein, when carrying out launching power test, by measuring described modulation /demodulation with energy meter connecting test circuit
The size of the power launched on device.
Wherein, the instruction repertorie that described test fixture carries out testing is sent in main control module by burning module, when logical
When crossing the test shelves automatically of the control button selection on main control module, main control module is changed by USB according to the instruction repertorie of burning
Module reads the data of the computer end being attached thereto, and performs test job；When by controlling button selection manual test shelves,
Manually the instruction of input associative operation can carry out test job；When by controlling button selection test data transmission, enter
Row launches power test, when selecting test data receiver, carries out accepting power threshold test.
Wherein, the FT232RL chip in USB modular converter is with crossing and the MAX3082ESA chip in RS485 modular converter
Connect or be attached with the MAX232 chip in RS232 modular converter with the LPC1114 chip of main control module and communicate, with
Time, by connecting a manual control module at LPC1114 chip, to test shelves automatically and manual test shelves, test data are sent out
Send and test data receiver and select.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention a kind of OOK electrical property modem automatization test system and method,
By using USB interface and test platform communication, launch by 485 interfaces or 232 Interface Controller OOK modems and connect
Receive.Using manually and automatically both of which nondestructive to manipulator power, demodulator threshold level is tested, and i.e. ensures
The quality of production, also ensure that production efficiency.
Accompanying drawing explanation
Fig. 1 is that the embodiment of the present invention tests structural representation automatically；
Fig. 2 is embodiment of the present invention manual test structural representation；
Fig. 3 is embodiment of the present invention test fixture internal structure block diagram；
Fig. 4 is embodiment of the present invention test fixture specifically connection figure；
Fig. 5 is that the embodiment of the present invention controls press-key structure figure；
Fig. 6 is that the embodiment of the present invention accepts power threshold test structural representation；
Fig. 7 is that the embodiment of the present invention launches power test structural representation.
Main element illustrates:
1, modem 2, test fixture
3, computer 4, upright power supply
5, test circuit 7, signal source
8, energy meter 21, main control module
22, burning module 23, manual control module
24, interface modular converter 25, USB modular converter
26, control button 261, automatically test button
262, manual test button 263, test data send button
264, test data receiver button.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with the accompanying drawings the present invention is further described.
Refering to Fig. 1-Fig. 2, the open a kind of OOK electrical property modulator-demodulator testing system of the present invention, including: treat for fixing
The modem 1 surveyed, and control the test fixture 2 of modem 1OOK electric performance test；It is provided with on test fixture 2 certainly
Dynamic test shelves and manual test shelves, when selecting automatically to test shelves, test fixture is electrically connected with computer 3 by USB interface, selects hands
During dynamic test shelves, USB connects DC source 4 and is charged.
The present invention a kind of OOK electrical property modem automatization test system, by using USB interface and test
Platform communication, is launched by 485 interfaces or 232 Interface Controller OOK modems and receives.Use manually and automatically two kinds
Pattern is nondestructive launches power to modem, and demodulator threshold level is tested, and i.e. ensure that the quality of production, also
Ensure that production efficiency.
Refer to Fig. 3, in the present embodiment, test fixture 1 includes main control module 21, burning module 22, Non-follow control
Module 23, USB modular converter 25 and interface modular converter 24；Burning module 22, manual control module 13 and interface modular converter
24 electrically connect with main control module 21 respectively, and main control module 21, as the key data processing and control element of the present invention, controls whole
The operation of individual test system, in the present embodiment, further regards to Fig. 4, and main control module uses LPC1114 chip, its P3.1 foot
Being connected with the input of burning module 12, the P3.0 foot of LPC1114 chip is connected with the outfan of burning module 22, burning module
The input of 22 electrically connects with USB modular converter 25, wherein after being connected with two divider resistance R9 and R7 the most respectively with outfan
Resistance R9 and R7 resistance are all 10K, the USB interface connected by this USB modular converter 25, can will control the relevant ginseng of test
Number is burned in LPC1114 chip, to test, and, by this USB interface, easily modify and the upgrading of system,
Performance is made more to optimize.In test process, it is also possible to by the first LED R11 being connected with P3.1 foot and P3.0 foot and
Two LED R8 indicate, such as when, during programming, the first LED R11 does not stop to flash, and the 2nd LED after programming success
Lamp R8 turns green, and when programming mistake, the second LED R8 reddens warning.
Refer to Fig. 5, in the present embodiment, the vdd terminal of manual control module 13 and the LPC1114 chip of main control module and
P0.0 end electrically connects, and P0.0 end is also reset terminal simultaneously, and manual control module 23 is also connected with control button 26, controls button 26
Including automatically testing button 261, manual test button 262, test data transmission button 263 and test data receiver button 264,
When selecting automatically test button 261, manual control module 23 resets and does not works, all test instructions by with test fixture 2
The computer 3 connected is configured and controls, and when selecting manual test button 262, selects test data by controlling button 26
Send button 263 or test data receiver button 264, test approaches is selected, and asks his test equipment to enter in connection
Row test.
In the present embodiment, interface modular converter 24 can arrange one or more, such as can only arrange RS485 interface
Or RS232 interface, it is also possible to both select, in the present embodiment, both selects, wherein, interface modular converter 24 wraps
Including RS485 modular converter 241 and RS232 modular converter 242, RS485 modular converter uses MAX3082ESA chip, and RS232 turns
Die change block uses MAX232 chip.The P0.9 pin receiving outfan RO end and LPC1114 chip of MAX3082ESA chip is even
Connect, receive enable signal end RE and P0.8 pin and be connected, send enable signal end and be directly connected to RE end, send data income end
DI with P0.7 pin is connected, the GND end ground connection of MAX3082ESA chip, and VCC end is connected with USB interface, and meanwhile, RO end is through one
Also it is connected with USB interface after individual divider resistance R34.
In the present embodiment, the input T1IN of the MAX232 chip of RS232 modular converter and the P1.7 of LPC1114 chip
Pin connects, and the P1.6 of outfan R1OUT and the LPC1114 chip of MAX232 chip is connected, and centre is connected to 102
Protective resistance R3 and R4, MAX232 chip R1IN end be connected with the TXD end of USB modular converter 15, MAX232 chip
T1OUT end is connected with the RXD end of USB modular converter, and centre is also connected to 102 protective resistances R1 and R2, the VCC of MAX232
End is the most respectively by being connected with the USB interface of 3.3V after the filter capacitor C15 and resistance R5 of 0.1uf.
In the present embodiment, USB modular converter uses FT232RL chip, and its outfan OUT connects the USB of a 3.3V
Interface and 0.1UF filter capacitor C14, this USB interface respectively with the VCC of MAX232, the input/output terminal of burning module 12,
VCC Yu the RO end of MAX3082ESA chip, the vdd terminal of LPC1114 and the input of manual control module connect, wherein
The vdd terminal of LPC1114 and the input of manual control module are additionally provided with protective resistance R6 on USB interface connection line, with
Upper is the main annexation of each chip in the present embodiment, and its each chip self also has some peripheral circuits, for concrete
Application, is not repeating.
Refer to Fig. 6-Fig. 7, at the present embodiment, either automatic mode or manual mode, modem 1 also connects
Being connected to test circuit 5, test circuit 5 electrically connects with DC source 4, and DC source 4 provides electric energy to test circuit, tests circuit
The signal source 7 for providing the test signal of telecommunication to modem 1 it is also associated with, to be modulated the acceptance of demodulator 1 on 5
Power threshold is tested, and shows test result by LED (not shown), and the output frequency of signal source is 2.176Mhz.Work as survey
Connect on examination circuit and have energy meter, for carrying out launching power test.
A kind of method that invention additionally discloses OOK electrical property modem trainup, comprises the following steps:
Control to select test or manual test automatically by controlling button 26, select manual test button 262, modulatedemodulate
Adjusting device 1 to be charged by USB interface being connected with power supply 6, when selecting test button 261 automatically, modem passes through
USB interface is attached with computer 3.
The instruction repertorie that test fixture 2 carries out testing is sent in main control module 21 by burning module 22, when by main
When control button in control module 21 selects automatically to test shelves, main control module 21 is changed by USB according to the instruction repertorie of burning
Module 25 reads the data of the computer 3 being attached thereto, and performs test job；When selecting manual test shelves by control button 26
Time, manually the instruction of input associative operation can carry out test job；When by controlling button 26 selection test data transmission
Time, carry out launching power test, when selecting test data receiver, carry out accepting power threshold test.
Introduce as a example by manual test below, when for launching power test, need to connect energy meter on test circuit 5
8, energy meter 8 can also replace for audiofrequency spectrometer herein, by energy meter or audiofrequency spectrometer 8, can test modem 1
Launching power, when launching power less than 1dbm, test is not passed through, and when launching power at 1-5dbm, test is passed through, and works as test
When power is more than 5dbm, test crash.
When for accepting power threshold test, need to connect a signal source 7, signal source output frequency on test circuit 5
Rate is 2.176Mhz, exports a power by signal source 7 to modem, checks the display lamp on modem 1, when
When signal source 7 is closed, test lamp goes out, and when signal source 7 sends the power an of-18dbm, test lamp goes out, when signal source 7 sends
During the power of one-12dbm, test lamp is bright, and when signal source 7 sends the power of a 5dbm, test lamp is bright.When above-mentioned several
Output, when the display state of corresponding test lamp all meets, test is passed through, and otherwise, test is not passed through.
In the present embodiment, the serial communication Configuration of baud rate of the interface modular converter 24 of test fixture 2 is 9600, for nothing
Verification, 8 bit data positions, 1 stops position, and its frame format is:
Leader will: 7E 7E
Method of calibration: 00 no parity check, 06 and inspection, 09CRC checks
Test value: if the method for inspection is 00, check value is 00 00, tail tag will: 7F 7F
In order to realize transparent transmission, in addition to indicating end to end, need to add transfer character 7D at other.
| Former character | After escape |
| 7D | 7D 7D |
| 7E | 7D 7E |
| 7F | 7D 7F |
This test fixture 2 is supported such as to issue orders:
| Command name | Command code | Describe |
| GetTestMode | 0x10 | Obtain current test pattern (00 manually, and 01 is automatic) |
| SetTestItem | 0x11 | Test item (00 receives, and 01 launches) is set |
| GetTsetItem | 0x12 | Obtain current test item (00 receives, and 01 launches) |
| GetRxStatus | 0x13 | Obtain current reception state (00 logical zero, 01 logic 1) |
Test fixture 2 has a following return code:
| Return code title | Return code | Describe |
| OK | 0x00 | Success |
| Fail | 0x0B | Failure |
| FormatErr | 0xF0 | The command format mistake issued |
| CheckErr | 0xF1 | The command checksum code mistake issued |
| HandMode | 0xF2 | When being in manual mode, TX test is set |
| TXItem | 0xF3 | When being in TX test, read RX state |
| UnsupportedCommand | 0xF4 | The order do not supported |
Each order is described in detail as follows:
a)GetTestMode
Issue parameter: nothing
Return parameters:
b)SetTestItem
Issue parameter:
Return parameters:
c)GetTsetItem
Issue parameter: nothing
Return parameters:
d)GetRxStatus
Issue parameter: nothing
Return parameters:
Present invention have an advantage that
1) manual test it is set and automatically tests two kinds of structures, testing more convenient, also ensure that production efficiency；
2) tested by USB interface, need not destroy inside modem, it is ensured that the quality of production, and side's batch
Test together, more save the time；
3) have simultaneously and 485 interfaces and 232 Interface Controller OOK modems are set launch and receive, use the widest
General.
The several specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, any ability
What the technical staff in territory can think change all should fall into protection scope of the present invention.
Claims (10)
1. an OOK electrical property modulator-demodulator testing system, it is characterised in that including: for fixing modulation /demodulation to be measured
Device, and control the test fixture of modem OOK electric performance test；Test shelves and hands automatically it is provided with on described test fixture
Dynamic test shelves, when selecting automatically to test shelves, described test fixture is electrically connected with computer by USB interface, selects manual test shelves
Time, described USB connects power supply and is charged.
A kind of OOK electrical property modulator-demodulator testing system the most according to claim 1, it is characterised in that described modulation
Be also associated with on demodulator test circuit, described test circuit electrically connects with DC source, described DC source offer electric energy to
Test circuit, described test circuit is also associated with the signal source for providing the test signal of telecommunication to modem, to enter
The power threshold that accepts of row modem is tested, and shows test result by LED, and the output frequency of described signal source is
2.176Mhz。
A kind of OOK electrical property modulator-demodulator testing system the most according to claim 1, it is characterised in that described modulation
Be also associated with on demodulator test circuit, described test circuit electrically connects with DC source, described DC source offer electric energy to
Test circuit, described test circuit is also associated with for measure modem carry out launch power test time power big
Little energy meter.
4., according to a kind of OOK electrical property modulator-demodulator testing system described in Claims 2 or 3 any one, its feature exists
In, described test fixture includes main control module, burning module, manual control module, USB modular converter and interface conversion mould
Block；Described burning module, manual control module and interface modular converter electrically connect with main control module respectively, described USB modulus of conversion
Block electrically connects with interface modular converter, described main control module is also associated with control button, and described control button is for manually choosing
Select test shelves or manual test shelves and selection test data automatically to send and still test data receiver, when selecting automatically to test
During shelves, manual test module disconnects automatically, and when selecting manual test shelves to be, manual test module is from being dynamically connected, when selecting test
When data send, carry out launching power test, when selecting test data receiver, carry out accepting power threshold test.
A kind of OOK electrical property modulator-demodulator testing system the most according to claim 4, it is characterised in that described master control
Module uses LPC1114 chip, and described USB modular converter uses FT232RL chip, and described interface modular converter includes RS485
Modular converter and RS232 modular converter, described RS485 modular converter uses MAX3082ESA chip, described RS232 modular converter
Use MAX232 chip, after described FT232RL chip is connected with MAX232 chip, by MAX232 chip and LPC1114 chip
After connection communicates, or FT232RL chip is connected with MAX3082ESA chip, by FT232RL chip and LPC1114 core
Sheet connection communicates, and described LPC1114 chip electrically connects with manual control module tests shelves and manual test shelves automatically,
Test data send and select with test data receiver.
6. the method for an OOK electrical property modem trainup, it is characterised in that comprise the following steps:
When selecting manual, manual control module controls test fixture and modem carries out OOK electric performance test, and institute
State modem to be charged by USB interface being connected with power supply；
When selecting automatic transmission, computer is connected with described modem by USB interface, and transmits test parameter, described survey
Modem is tested by trial work dress according to test parameter.
The method of a kind of OOK electrical property modem trainup the most according to claim 6, it is characterised in that when carrying out
When accepting power threshold test, sent to modem by test circuit by the signal source that output frequency is 2.176MHZ
The signal of telecommunication, described test fixture shows test result by LED.
The method of a kind of OOK electrical property modem trainup the most according to claim 6, it is characterised in that when carrying out
When launching power test, by measuring power big launched on described modem with energy meter connecting test circuit
Little.
9. according to the method for a kind of OOK electrical property modem trainup described in claim 7 or 8 any one, its feature
Being, the instruction repertorie that described test fixture carries out testing is sent in main control module by burning module, when by master control mould
When control button on block selects automatically to test shelves, main control module is read by USB modular converter according to the instruction repertorie of burning
The data of the computer end being attached thereto, and perform test job；When by controlling button selection manual test shelves, manually
Input associative operation instruction can carry out test job；When by controlling button selection test data transmission, carry out launching merit
Rate is tested, and when selecting test data receiver, carries out accepting power threshold test.
The method of a kind of OOK electrical property modem trainup the most according to claim 9, it is characterised in that USB turns
The same mistake of FT232RL chip in die change block is connected with the MAX3082ESA chip in RS485 modular converter or changes with RS232
MAX232 chip in module is attached with the LPC1114 chip of main control module and communicates, meanwhile, by LPC1114 core
Sheet connects a manual control module, and to test shelves automatically and manual test shelves, test data send to be entered with test data receiver
Row selects.
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| CN109828918A (en) * | 2019-01-16 | 2019-05-31 | 深圳壹账通智能科技有限公司 | Applied program testing method, device, computer equipment and storage medium |
| CN117110767A (en) * | 2023-10-18 | 2023-11-24 | 广州新创航宇电子科技有限公司 | Automatic screening method and system for frequency hopping filter data |
| CN117110767B (en) * | 2023-10-18 | 2024-01-26 | 广州新创航宇电子科技有限公司 | Automatic screening method and system for frequency hopping filter data |
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