CN105656712B - A kind of RFID protocol uniformity test platform and its working method based on ZYNQ - Google Patents
A kind of RFID protocol uniformity test platform and its working method based on ZYNQ Download PDFInfo
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- CN105656712B CN105656712B CN201510975505.4A CN201510975505A CN105656712B CN 105656712 B CN105656712 B CN 105656712B CN 201510975505 A CN201510975505 A CN 201510975505A CN 105656712 B CN105656712 B CN 105656712B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
- H04L1/244—Testing correct operation by comparing a transmitted test signal with a locally generated replica test sequence generators
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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
- H04L43/18—Protocol analysers
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Abstract
The present invention relates to a kind of RFID protocol uniformity test platform and its working method based on ZYNQ.RFID protocol uniformity test platform, including restructural RFID band processing system and extensive interface；The restructural RFID band processing system includes core processing unit, pci interface logic unit, PLX9054 and the storage unit in high speed connecting respectively with core processing unit, QSPI storage unit, SD card interface circuit；The extensive interface includes CPCI interface and the FMC interface connecting respectively with core processing unit, PMOD interface, display interface circuit and user control interface circuit；CPCI interface is connect after being sequentially connected PLX9054, pci interface logic unit with core processing unit.Integrated level and scalability with higher support real-time simulation mode, success Failure Mode, listening mode etc. to realize multi-mode mixing.
Description
Technical field
The present invention relates to a kind of RFID protocol uniformity test platform and its working method based on ZYNQ belongs to voice knowledge
The technical field of the Beidou positioning of other sum.
Background technique
RFID protocol uniformity test specification is continued to develop with the development of RFID standard, and test specification is formulated
Purpose is the characteristic of determining equipment under test and defining whether unanimously for consensus standard.Nowadays International Organization for standardization ISO and EPC
Global is according to the corresponding test specification of announced RFID protocol standard formulation, for instructing to carry out specification, reliable
RFID protocol uniformity test.
RFID is the emerging technology of wireless communication field, and testing protocol consistency is still more by signal at present
Generator, the combination of the traditional instruments such as spectrum analyzer and volume oscillograph, but since RFID technique has wireless communication shared
Characteristic except, and the particularity for having its exclusive is difficult to construct perfect testing protocol consistency using the combination of traditional instrument
System.The reason is as follows that: (1) test of RFID reader and label and the testing differentia of traditional equipment larger, using pre-generatmg
Signal is unable to complete real time communication process, and test macro must generate the ability of signal in real time in a very short period of time, traditional
Signal generator is unable to satisfy the timing requirements of the agreement；(2) key of RFID protocol consistency is the integrality tested, must
Complete physical layer must be carried out to unit under test according to uniformity test and protocol layer is tested；(3) RFID protocol standard type is many
It is more, there is the LF suitable for short-range communication；HF frequency range standard is also used in the UHF (microwave segment standard) of telecommunication, respectively
Standard in a frequency range due also to operating mode, the difference of data etc. and it is different.Therefore, how with a general test platform
Cover all RFID protocol standards, it is reliable to realize RFID protocol uniformity test, it is urgent problem.
Framework mode is mainly the following applied to the system of RFID protocol consistency at present: success Failure Mode, prison
Listen mode, excitation/response mode, real-time simulation mode；Above-mentioned several modes are successively covered from simple to complicated different layers
Secondary uniformity test requirement.
Success Failure Mode: the mode test macro is communicated with reference to reader with label using one, is communicated
The result of success and failure.System is constituted simply, and the testing time is extremely short, is suitble to the requirement of the test speeds such as production line high and test item
Mesh requires less test occasion
Listening mode: under success Failure Mode, increase the instruments such as spectrum analyzer and oscillograph.The selection of reference unit
It is largely fixed the effect of the test pattern, as not only needing normal stream as defined in test protocol in test process
Journey, it is also necessary to execute improper process to test the reaction of unit under test under given conditions.Therefore, this mode is more suitable for physics
Layer test.
Exciter response mode: in exciter response mode, reference unit is replaced by vector signal generator, and vector signal occurs
Device can emit specific RFID signal to unit under test, while send a digital trigger flag to Vector Signal Analyzer,
When receiving this triggering, Vector Signal Analyzer starts synchronous acquisition signal of communication to be analyzed.This test pattern tool
There is stronger controllability, whole flow process can then be controlled by the state of pumping signal active control unit under test.
Real-time simulation mode: real-time simulation mode uses the general baseband processor based on FPGA, while instead of arrow
The signal transmitting module of signal generator and the signal analysis module of Vector Signal Analyzer are measured, cooperation radio-frequency front-end cooperates with work
Make.The signal of script separation is occurred and signal analysis module is combined into one.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of RFID protocol uniformity test platform based on ZYNQ.
The present invention also provides a kind of working methods of above-mentioned RFID protocol uniformity test platform.
Technical scheme is as follows:
A kind of RFID protocol uniformity test platform based on ZYNQ, including restructural RFID band processing system and can expand
Open up interface；The restructural RFID band processing system includes core processing unit, pci interface logic unit, PLX9054 and divides
Storage unit in high speed, QSPI storage unit, the SD card interface circuit not connect with core processing unit；The extensive interface packet
FMC interface, PMOD interface, display interface circuit and the user's control for including CPCI interface and connecting respectively with core processing unit connect
Mouth circuit；CPCI interface is connect after being sequentially connected PLX9054, pci interface logic unit with core processing unit；At the core
Reason unit includes ASIC interconnection driving, RFID function library, RFID protocol analysis library, application library, PCI interconnection logic and signal
Handle logic；The FMC interface is provided with radio frequency interconnecting interface.
Restructural RFID band processing system provides support for the highly integrated property that multi-protocols are tested.
By all kinds of radio-frequency front-ends of FMC Interface Expanding, cover FMCOMSS series of ADI etc., covering 300Hz~2.4G's
Frequency range；
Pass through the dedicated module ASIC of all kinds of RFID of PMOD Interface Expanding (SPI communication interface, UART communication interface etc.)；
The function of traditional frequency spectrograph is extended as RFID application component by CPCI Interface integration to traditional frequency spectrograph,
Adapt it to the test request of increasingly complicated Internet of Things.
ASIC interconnection driving with RFID asic chip module for being communicated.
RFID function library is analyzed for controlling radio-frequency front-end demodulator, clock generator etc., and according to the signal of ADC acquisition
The parameter of RFID protocol test request out.
Cover required for RFID protocol test for controlling radio-frequency front-end modulator, demodulator in RFID protocol analysis library
Required Row control function in signal generating functon, RFID protocol test, and surveyed according to the signal analysis RFID of ADC acquisition
Parameter required for trying.
Application library mainly includes control application program and display application program；Control application program is mainly used for controlling
Key, the control interfaces such as mouse-keyboard support user to interact with this platform；Display application program is mainly used for that knot will be tested
Fruit is shown in the display interfaces such as VGA or HDMI.
Radio frequency interconnecting interface is realized to be interconnected with ADC and DAC, according to corresponding physical interface form sending and receiving data, and is passed through
Dma mode and storage unit in high speed are to carry out data interaction；
Signal processing logic carries out the demodulation of signal, FFT transform, the processing such as sampling by hardware.
RFID protocol uniformity test platform of the present invention based on ZYNQ includes system operating software and firmware.Platform
Operation needs software and firmware two parts, and software is executed for ARM, and firmware is executed for FPGA.System operating software mainly wraps
Containing ASIC interconnection driving, RFID function library, RFID protocol analysis library and application library.Firmware includes radio frequency interconnecting interface, letter
Number processing logic and PCI interconnect logic.
Preferably, the core processing unit is XC7Z045, and the storage unit in high speed is DDR3；DDR3 is XC7Z045
The shared memory space of middle ARM and FPGA；The pci interface logic unit is Artix FPGA；QSPI storage unit is
QSPIFlash storage chip.XC7Z045 is the high-end SOPC product of xilinx ZYNQ7000 series, the programmable height of integrated software
The FPGA resource of performance ARM CortexA9 processor and hardware programmable meets the numerous requirement of RFID standard agreement.DDR3
It is RFID protocol consistency analysis mistake using magnesium light 32bit bit wide DDR3 particle, the up to bandwidth of 2.8GB/S data throughout
A large amount of Wave datas, the offers support such as pause waveform result are provided in journey；Meanwhile DDR3 is as ARM's in XC7Z045 and FPGA
Shared memory space provides buffer pool for the two data exchange.QSPI Flash memory chip selects magnesium light large capacity
NorFlash, ARM and FPGA in system starting in rapid configuration ZYNQ.Artix FPGA is in XC7Z045 and PLX9054
Between, data switch is realized for the two.PLX9054 is the advanced PCI I/O accelerator produced by PLX company of the U.S., is used
Advanced PLX data pipeline structure technology, is the main I/O accelerator of pci bus of 32,33MHz；It is locally total to meet PCI
Line gauge model 2.2 editions, the defeated rate that happens suddenly reaches 132MB/s, and local bus supports 32 bit address of multiplexing/multiplex/data, supports
RFID protocol uniformity test platform connects traditional measuring instrument by pci bus.
PCI interconnects logic: running in ARTIX FPGA, realizes that XC7Z045 is communicated with PLX9054.PLX9054 will
Pci bus agreement switchs to local bus agreement, and workspace mapping space is divided into the space S0 and S1.S0 space reflection connects at UART
ARM in mouth logic, with ZYNQ7000 carries out serial communication (slow channels), is mainly used to transmit command word and status word.S1
Space reflection is fifo interface logic, carries out parallel communications with the FPGA in XC7Z045, main to realize RFID signal Wave data
Transmission (high-speed channel).The data-moving of dma logic realization fifo interface logical AND DDR3 storage chip.
Preferably, the SD card interface circuit is provided with large capacity SD card, and the display interface circuit includes HDMI interface
And USB interface.Large capacity SD card uses offline mode stored waveform data, realizes Wave data from test platform to general procedure
Platform (such as X86) transfer carries out more perfect data point using the powerful Data Analysis Services function of general processing platform
Analysis.In addition, also can be used as linux system device tree, the memory spaces such as file system.
A kind of working method of above-mentioned RFID protocol uniformity test platform, comprises the following steps that
1) test pattern is selected, external board is connected with FMC interface by PMOD interface；Specific implementation step is as follows:
A) success/Failure Mode:
I. if test high frequency Tag, the high-frequency RF ID module ASIC of respective protocol is connected by PMOD interface；
Ii. if test hyperfrequency Tag, the ultrahigh frequency RFID module ASIC of respective protocol is connected by PMOD interface；
B) listening mode:
I. if test high frequency Tag, the high-frequency RF ID module ASIC of respective protocol is connected by PMOD interface；
Ii. if test hyperfrequency Tag, the ultrahigh frequency RFID module ASIC of respective protocol is connected by PMOD interface；
The radio-frequency front-end of corresponding RF ID communications band is supported in the connection of iii.FMC interface；
C) real-time simulation mode:
The radio-frequency front-end of corresponding RF ID communications band is supported in the connection of i.FMC interface；
2) according to test pattern, corresponding software and firmware are loaded；Specific load step is as follows:
A) success/Failure Mode:
The corresponding interconnection driver of ARM load RFID module ASIC of i.XC7Z045；
The ARM load user's control application program and display application program of ii.XC7Z045；
B) listening mode:
The corresponding interconnection driver of ARM load RFID module ASIC of i.XC7Z045；
The ARM load user's control application program and display application program of ii.XC7Z045；
DAC, clock generator, demodulator, adjustable gain amplification in the ARM load RFID radio-frequency front-end of iii.XC7Z045
The Driver Library of device and the decoding library of RFID respective protocol；
The FPGA loading firmware of iv.XC7Z045；
C) real-time simulation mode:
The ARM load user's control application program and display application program of i.XC7Z045；
Ii.XC7Z045 ARM load RFID radio-frequency front-end in DAC, ADC, modulator, demodulator, clock generator, can
Adjust the Driver Library of gain amplifier and the code database of RFID respective protocol, decoding library；
The FPGA loading firmware of iii.XC7Z045；
3) it is tested, and is outputed test result under user control；
A) success/Failure Mode:
I. the parameter of RFID module ASIC is configured；Including transmitter power, antenna condition and receiving portion spirit
The parameter of sensitivity；
Ii. starting test, and test result is returned from RFID module ASIC；
B) listening mode
I. the parameter of RFID module ASIC is configured；Including transmitter power, antenna condition and receiving portion spirit
The parameter of sensitivity；
Ii. according to test protocol, sample rate, the clock output of clock generator of radio-frequency front-end ADC are set；
Iii. starting test, and test result is returned from RFID module ASIC；
Iv. the data returned according to radio-frequency front-end ADC such as are demodulated, are decoded at the signal processings, obtain corresponding test ginseng
Number；
C) real-time simulation mode
I. according to test protocol, sample rate, the clock output of clock generator of RF front-end module ADC are set；
Ii. according to test protocol, the ADC sample rate of RF front-end module, the amplification factor of variable gain amplifier are set；
Iii. starting test constructs the relevant data frame of RFID protocol, is then encoded, modulated according to respective protocol,
Corresponding radiofrequency signal is issued finally by radio-frequency front-end；It is communicated with card reader to be measured or label；
Iv. it according to radio-frequency front-end ADC returned data, is demodulated, the signal processings such as decoding obtain corresponding test parameter.
Preferably, the radio-frequency front-end in the step 1) is the radio-frequency front-end series of the FMC interface of ADI.
Preferably, RFID module ASIC interconnects Driver Library in the step 2), for SPI driving or UART driving, Yi Jiyu
The protocol library of RFID module ASIC communication.
Preferably, in the step 2), in listening mode, the firmware of FPGA load is DAC interface software, signal processing is solid
Part；Real-time simulation mode, the firmware of FPGA load is ADC and DAC interface software, signal processing firmware DAC is containing for AD9122
The interface software of DMA channel.
The invention has the beneficial effect that
1, the RFID protocol uniformity test platform of the present invention based on ZYNQ, integrated level with higher and expansible
Property, support that real-time simulation mode, success Failure Mode, listening mode etc. realize multi-mode mixing, versatility is high；
2, the RFID protocol uniformity test platform of the present invention based on ZYNQ, covers interface abundant, is connect by FMC
Mouth extends various radio-frequency front-ends, and CPCI interface completes, realization scalability and integration integrated with traditional instrument, structure letter
Single, practicability is high, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the RFID protocol uniformity test platform of the present invention based on ZYNQ；
Fig. 2 is the structural schematic diagram of core processing unit of the present invention；
Fig. 3 is the flow chart of work methods of the RFID protocol uniformity test platform of the present invention based on ZYNQ.
Specific embodiment
The present invention is described in detail below with reference to embodiment and Figure of description, but not limited to this.
Embodiment 1
As shown in Figs. 1-3.
A kind of RFID protocol uniformity test platform based on ZYNQ, including restructural RFID band processing system and can expand
Open up interface；The restructural RFID band processing system includes core processing unit, pci interface logic unit, PLX9054 and divides
Storage unit in high speed, QSPI storage unit, the SD card interface circuit not connect with core processing unit；The extensive interface packet
FMC interface, PMOD interface, display interface circuit and the user's control for including CPCI interface and connecting respectively with core processing unit connect
Mouth circuit；CPCI interface is connect after being sequentially connected PLX9054, pci interface logic unit with core processing unit；At the core
Reason unit includes ASIC interconnection driving, RFID function library, RFID protocol analysis library, application library, PCI interconnection logic and signal
Handle logic；The FMC interface is provided with radio frequency interconnecting interface.
Restructural RFID band processing system provides support for the highly integrated property that multi-protocols are tested.
By all kinds of radio-frequency front-ends of FMC Interface Expanding, cover FMCOMSS series of ADI etc., covering 300Hz~2.4G's
Frequency range；
Pass through the dedicated module ASIC of all kinds of RFID of PMOD Interface Expanding (SPI communication interface, UART communication interface etc.)；
The function of traditional frequency spectrograph is extended as RFID application component by CPCI Interface integration to traditional frequency spectrograph,
Adapt it to the test request of increasingly complicated Internet of Things.
ASIC interconnection driving with RFID asic chip module for being communicated.
RFID function library is analyzed for controlling radio-frequency front-end demodulator, clock generator etc., and according to the signal of ADC acquisition
The parameter of RFID protocol test request out.
Cover required for RFID protocol test for controlling radio-frequency front-end modulator, demodulator in RFID protocol analysis library
Required Row control function in signal generating functon, RFID protocol test, and surveyed according to the signal analysis RFID of ADC acquisition
Parameter required for trying.
Application library mainly includes control application program and display application program；Control application program is mainly used for controlling
Key, the control interfaces such as mouse-keyboard support user to interact with this platform；Display application program is mainly used for that knot will be tested
Fruit is shown in the display interfaces such as VGA or HDMI.
Radio frequency interconnecting interface is realized to be interconnected with ADC and DAC, according to corresponding physical interface form sending and receiving data, and is passed through
Dma mode and storage unit in high speed are to carry out data interaction；
Signal processing logic carries out the demodulation of signal, FFT transform, the processing such as sampling by hardware.
RFID protocol uniformity test platform of the present invention based on ZYNQ includes system operating software and firmware.Platform
Operation needs software and firmware two parts, and software is executed for ARM, and firmware is executed for FPGA.System operating software mainly wraps
Containing ASIC interconnection driving, RFID function library, RFID protocol analysis library and application library.Firmware includes radio frequency interconnecting interface, letter
Number processing logic and PCI interconnect logic.
Embodiment 2
RFID protocol uniformity test platform based on ZYNQ as described in Example 1, difference is, at the core
Reason unit is XC7Z045, and the storage unit in high speed is DDR3；The shared drive that DDR3 is ARM and FPGA in XC7Z045 is empty
Between；The pci interface logic unit is Artix FPGA；QSPI storage unit is QSPI Flash memory chip.XC7Z045 is
The high-end SOPC product of xilinx ZYNQ7000 series, the programmable high-performance ARM CortexA9 processor of integrated software and hard
The programmable FPGA resource of part meets the numerous requirement of RFID standard agreement.DDR3 uses magnesium light 32bit bit wide DDR3 particle,
The up to bandwidth of 2.8GB/S data throughout suspends wave to store a large amount of Wave datas during RFID protocol consistency analysis
The offers support such as shape result；Meanwhile shared memory space of the DDR3 as ARM in XC7Z045 and FPGA, for the two data exchange
Buffer pool is provided.QSPI Flash memory chip selects magnesium light large capacity Nor Flash, the rapid configuration ZYNQ in system starting
In ARM and FPGA.Artix FPGA is between XC7Z045 and PLX9054, realizes data switch for the two.PLX9054 is
The advanced PCI I/O accelerator produced by PLX company of the U.S. uses advanced PLX data pipeline structure technology, is 32
Position, 33MHz the main I/O accelerator of pci bus；Meeting PCI local specification 2.2 editions, the defeated rate that happens suddenly reaches 132MB/s,
Local bus supports 32 bit address of multiplexing/multiplex/data, and RFID protocol uniformity test platform is supported to pass through pci bus
Connect traditional measuring instrument.
PCI interconnects logic: running in ARTIX FPGA, realizes that XC7Z045 is communicated with PLX9054.PLX9054 will
Pci bus agreement switchs to local bus agreement, and workspace mapping space is divided into the space S0 and S1.S0 space reflection connects at UART
ARM in mouth logic, with ZYNQ7000 carries out serial communication (slow channels), is mainly used to transmit command word and status word.S1
Space reflection is fifo interface logic, carries out parallel communications with the FPGA in XC7Z045, main to realize RFID signal Wave data
Transmission (high-speed channel).The data-moving of dma logic realization fifo interface logical AND DDR3 storage chip.
Embodiment 3
RFID protocol uniformity test platform based on ZYNQ as described in Example 1, difference are that the SD card connects
Mouth circuit is provided with large capacity SD card, and the display interface circuit includes HDMI interface and USB interface.Large capacity SD card use from
Line mode stored waveform data realize that Wave data (such as X86) from test platform to general processing platform shifts, and utilization is general
The powerful Data Analysis Services function of processing platform carries out more perfect data analysis.It is set in addition, also can be used as linux system
Standby tree, the memory spaces such as file system.
Embodiment 4
The working method of the RFID protocol uniformity test platform based on ZYNQ as described in embodiment 1-3 any one,
It comprises the following steps that
A kind of working method of above-mentioned RFID protocol uniformity test platform, comprises the following steps that
1) test pattern is selected, external board is connected with FMC interface by PMOD interface；Specific implementation step is as follows:
A) success/Failure Mode:
I. if test high frequency Tag, the high-frequency RF ID module ASIC of respective protocol is connected by PMOD interface；
Ii. if test hyperfrequency Tag, the ultrahigh frequency RFID module ASIC of respective protocol is connected by PMOD interface；
B) listening mode:
I. if test high frequency Tag, the high-frequency RF ID module ASIC of respective protocol is connected by PMOD interface；
Ii. if test hyperfrequency Tag, the ultrahigh frequency RFID module ASIC of respective protocol is connected by PMOD interface；
The radio-frequency front-end of corresponding RF ID communications band is supported in the connection of iii.FMC interface；
C) real-time simulation mode:
The radio-frequency front-end of corresponding RF ID communications band is supported in the connection of i.FMC interface；
2) according to test pattern, corresponding software and firmware are loaded；Specific load step is as follows:
A) success/Failure Mode:
The corresponding interconnection driver of ARM load RFID module ASIC of i.XC7Z045；
The ARM load user's control application program and display application program of ii.XC7Z045；
B) listening mode:
The corresponding interconnection driver of ARM load RFID module ASIC of i.XC7Z045；
The ARM load user's control application program and display application program of ii.XC7Z045；
DAC, clock generator, demodulator, adjustable gain amplification in the ARM load RFID radio-frequency front-end of iii.XC7Z045
The Driver Library of device and the decoding library of RFID respective protocol；
The FPGA loading firmware of iv.XC7Z045；
C) real-time simulation mode:
The ARM load user's control application program and display application program of i.XC7Z045；
Ii.XC7Z045 ARM load RFID radio-frequency front-end in DAC, ADC, modulator, demodulator, clock generator, can
Adjust the Driver Library of gain amplifier and the code database of RFID respective protocol, decoding library；
The FPGA loading firmware of iii.XC7Z045；
3) it is tested, and is outputed test result under user control；
A) success/Failure Mode:
I. the parameter of RFID module ASIC is configured；Including transmitter power, antenna condition and receiving portion spirit
The parameter of sensitivity；
Ii. starting test, and test result is returned from RFID module ASIC；
B) listening mode
I. the parameter of RFID module ASIC is configured；Including transmitter power, antenna condition and receiving portion spirit
The parameter of sensitivity；
Ii. according to test protocol, sample rate, the clock output of clock generator of radio-frequency front-end ADC are set；
Iii. starting test, and test result is returned from RFID module ASIC；
Iv. the data returned according to radio-frequency front-end ADC such as are demodulated, are decoded at the signal processings, obtain corresponding test ginseng
Number；
C) real-time simulation mode
I. according to test protocol, sample rate, the clock output of clock generator of RF front-end module ADC are set；
Ii. according to test protocol, the ADC sample rate of RF front-end module, the amplification factor of variable gain amplifier are set；
Iii. starting test constructs the relevant data frame of RFID protocol, is then encoded, modulated according to respective protocol,
Corresponding radiofrequency signal is issued finally by radio-frequency front-end；It is communicated with card reader to be measured or label；
Iv. it according to radio-frequency front-end ADC returned data, is demodulated, the signal processings such as decoding obtain corresponding test parameter.
Embodiment 5
The working method of RFID protocol uniformity test platform based on ZYNQ as described in Example 4 is distinguished and is,
The radio-frequency front-end series for the FMC interface that radio-frequency front-end in the step 1) is ADI.
Embodiment 6
The working method of RFID protocol uniformity test platform based on ZYNQ as described in Example 4 is distinguished and is,
RFID module ASIC interconnects Driver Library in the step 2), drives for SPI driving or UART, and logical with RFID module ASIC
The protocol library of letter.
Embodiment 7
The working method of RFID protocol uniformity test platform based on ZYNQ as described in Example 4 is distinguished and is,
In the step 2), in listening mode, the firmware of FPGA load is DAC interface software, signal processing firmware；Real-time simulation mould
Formula, FPGA load firmware be ADC and DAC interface software, the interface containing DMA channel that signal processing firmware DAC is AD9122
Firmware.
Claims (7)
1. a kind of RFID protocol uniformity test platform based on ZYNQ, which is characterized in that including restructural RFID Base-Band Processing
System and extensive interface；The restructural RFID band processing system include core processing unit, pci interface logic unit,
PLX9054 and the storage unit in high speed being connect respectively with core processing unit, QSPI storage unit, SD card interface circuit；It is described
Extensive interface includes CPCI interface and the FMC interface connecting respectively with core processing unit, PMOD interface, display interface circuit
With user control interface circuit；CPCI interface connects after being sequentially connected PLX9054, pci interface logic unit with core processing unit
It connects；The core processing unit includes ASIC interconnection driving, the analysis of RFID function library, RFID protocol library, application library, PCI
Interconnect logic and signal processing logic；The FMC interface is provided with radio frequency interconnecting interface.
2. the RFID protocol uniformity test platform according to claim 1 based on ZYNQ, which is characterized in that the core
Processing unit is XC7Z045, and the storage unit in high speed is DDR3；The shared drive that DDR3 is ARM and FPGA in XC7Z045 is empty
Between；The pci interface logic unit is Artix FPGA；QSPI storage unit is QSPI Flash memory chip.
3. the RFID protocol uniformity test platform according to claim 1 based on ZYNQ, which is characterized in that the SD card
Interface circuit is provided with large capacity SD card, and the display interface circuit includes HDMI interface and USB interface.
4. the work side of the RFID protocol uniformity test platform based on ZYNQ according to claim 1 to 3
Method, which is characterized in that comprise the following steps that
A kind of working method of above-mentioned RFID protocol uniformity test platform, comprises the following steps that
1) test pattern is selected, external board is connected with FMC interface by PMOD interface；Specific implementation step is as follows:
A) success/Failure Mode:
I. if test high frequency Tag, the high-frequency RF ID module ASIC of respective protocol is connected by PMOD interface；
Ii. if test hyperfrequency Tag, the ultrahigh frequency RFID module ASIC of respective protocol is connected by PMOD interface；
B) listening mode:
I. if test high frequency Tag, the high-frequency RF ID module ASIC of respective protocol is connected by PMOD interface；
Ii. if test hyperfrequency Tag, the ultrahigh frequency RFID module ASIC of respective protocol is connected by PMOD interface；
The radio-frequency front-end of corresponding RF ID communications band is supported in the connection of iii.FMC interface；
C) real-time simulation mode:
The radio-frequency front-end of corresponding RF ID communications band is supported in the connection of i.FMC interface；
2) according to test pattern, corresponding software and firmware are loaded；Specific load step is as follows:
A) success/Failure Mode:
The corresponding interconnection driver of ARM load RFID module ASIC of i.XC7Z045；
The ARM load user's control application program and display application program of ii.XC7Z045；
B) listening mode:
The corresponding interconnection driver of ARM load RFID module ASIC of i.XC7Z045；
The ARM load user's control application program and display application program of ii.XC7Z045；
DAC, clock generator, demodulator, variable gain amplifier in the ARM load RFID radio-frequency front-end of iii.XC7Z045
The decoding library of Driver Library and RFID respective protocol；
The FPGA loading firmware of iv.XC7Z045；
C) real-time simulation mode:
The ARM load user's control application program and display application program of i.XC7Z045；
The ARM of ii.XC7Z045 loads DAC, ADC in RFID radio-frequency front-end, modulator, demodulator, clock generator, can adjust
The Driver Library of beneficial amplifier and code database, the decoding library of RFID respective protocol；
The FPGA loading firmware of iii.XC7Z045；
3) it is tested, and is outputed test result under user control；
A) success/Failure Mode:
I. the parameter of RFID module ASIC is configured；
Ii. starting test, and test result is returned from RFID module ASIC；
B) listening mode
I. the parameter of RFID module ASIC is configured；
Ii. according to test protocol, sample rate, the clock output of clock generator of radio-frequency front-end ADC are set；
Iii. starting test, and test result is returned from RFID module ASIC；
Iv. the data returned according to radio-frequency front-end ADC carry out signal processing, obtain corresponding test parameter；
C) real-time simulation mode
I. according to test protocol, sample rate, the clock output of clock generator of radio-frequency front-end ADC are set；
Ii. according to test protocol, the sample rate of radio-frequency front-end ADC, the amplification factor of variable gain amplifier are set；
Iii. starting test constructs the relevant data frame of RFID protocol, is then encoded, modulated, finally according to respective protocol
Corresponding radiofrequency signal is issued by radio-frequency front-end；
Iv. according to radio-frequency front-end ADC returned data, signal processing is carried out, corresponding test parameter is obtained.
5. the working method of the RFID protocol uniformity test platform according to claim 4 based on ZYNQ, feature exist
In the radio-frequency front-end series for the FMC interface that the radio-frequency front-end in the step 1) is ADI.
6. the working method of the RFID protocol uniformity test platform according to claim 4 based on ZYNQ, feature exist
In, in the step 2) RFID module ASIC interconnect Driver Library, for SPI driving or UART driving, and with RFID ASIC mould
The protocol library of block communication.
7. the working method of the RFID protocol uniformity test platform according to claim 4 based on ZYNQ, feature exist
In in the step 2), in listening mode, the firmware of FPGA load is DAC interface software, signal processing firmware；Real-time simulation
Mode, FPGA load firmware be ADC and DAC interface software, the connecing containing DMA channel that signal processing firmware DAC is AD9122
Mouth firmware.
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| CN106970893A (en) * | 2017-04-19 | 2017-07-21 | 惠州Tcl移动通信有限公司 | A kind of 5G hardware platform systems and its implementation based on SOC |
| CN108896841A (en) * | 2018-03-19 | 2018-11-27 | 硅谷数模半导体（北京）有限公司 | Test macro, test method and device |
| CN110380939B (en) * | 2019-08-08 | 2022-03-29 | 重庆邮电大学 | Consistency test method and system for local communication protocol in electricity consumption information acquisition system |
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