CN104485125A - Portable data recorder and method thereof - Google Patents
Portable data recorder and method thereof Download PDFInfo
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- CN104485125A CN104485125A CN201410678837.1A CN201410678837A CN104485125A CN 104485125 A CN104485125 A CN 104485125A CN 201410678837 A CN201410678837 A CN 201410678837A CN 104485125 A CN104485125 A CN 104485125A
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Abstract
The invention discloses a portable data recorder and a method thereof. The portable data recorder comprises a data control analysis module, a USB (universal serial bus) control module, an Ethernet transceiver and a storage module, wherein the data control analysis module is connected with a programmable interface of the USB control module through a programmable module, the USB control module is connected with an upper computer through a USB interface, the data control analysis module is connected with the storage module and connected with one end of the Ethernet transceiver through an RGMII (reduced gigabit media independent interface), and the other end of the Ethernet transceiver is connected with a network interface. According to the portable data recorder and the method thereof, radio monitoring equipment can be rapidly deployed to output data to the portable data recorder for transmission and storage through the network interface, and the upper computer can rapidly unload and search the data in the data recorder at a high speed through a USB3.0 interface or a USB OTG interface.
Description
Technical field
The present invention relates to data recorder field, particularly relate to a kind of portable data device and method thereof.
Background technology
At present, the application of rapid deployment radio detection equipment is more and more general, and the disadvantage that the data recorder for storing its data exposes also gets more and more, data recorder memory capacity is low, transfer efficiency is slow, data storage environment does not possess security, and equipment volume is very much not easy to carry, and equipment adopts power supply adaptor power supply mode, line is numerous and diverse, also reduces portability further.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of portable data device and method thereof are provided, rapid deployment radio monitoring equipment can be completed by network interface data are outputted in portable data device and carry out transmitting and storing, host computer carries out fast discharging and retrieval at a high speed by USB3.0 interface to the data in data recorder, and data recorder structure of the present invention is simple, volume is little, support that POE powers, portability is high.
The object of the invention is to be achieved through the following technical solutions: a kind of portable data device, it comprises Data Control parsing module, USB control module, ethernet transceiver and memory module, described Data Control parsing module is connected by the programmable interface of programmable module with USB control module, USB control module is connected with host computer by USB interface, Data Control parsing module is connected with memory module, Data Control parsing module is connected with one end of ethernet transceiver by RGMII interface, and the other end of ethernet transceiver is connected with network interface.
Described memory module comprise in harddisk memory, memory modules and flash memory module one or more, described harddisk memory, memory modules and flash memory module are connected with Data Control parsing module respectively.
Described memory module comprise in mSATA memory module, DDR3 memory module and eMMC memory module one or more, described mSATA memory module is connected with Data Control parsing module by SATA interface, described DDR3 memory module is connected with Data Control parsing module by DDR3 interface, and described eMMC memory module is connected with Data Control parsing module by SD I/O interface.
It also comprises power management module, and the output of described power management module is connected with the power supply input of Data Control parsing module, and the input of power management module exports with the POE power supply of network interface and is connected or is connected with power interface.
It also comprises USB OTG interface, and described USB OTG interface is held with the USB OTG of Data Control parsing module and is connected.
It also comprises debugging interface, and described debugging interface is connected with Data Control parsing module by serial transceiver.
It also comprises pilot lamp and/or display screen, described pilot lamp is connected with Data Control parsing module with display screen, described pilot lamp comprise in power light, working station indicator and network connection status indicator lamp one or more, the displaying contents of described display screen comprises work state information and storage space balance information.
Described USB control module is also connected with clock signal generating module.
A method for portable data device, it comprises data reception step and load shedding step, and described data reception step comprises following sub-step:
S11: rapid deployment wireless monitoring device is connected with data recorder by network interface, sends data to ethernet transceiver by network interface;
S12: ethernet transceiver passes through RGMII interface by this data retransmission to Data Control parsing module;
S13: Data Control is resolved by this data temporary cache in DDR3 internal memory, and resolves the form of these data, carries out Data Analysis to these data;
S14: the data after parsing are stored in mSATA or eMMC memory module by Data Control parsing module, complete data reception step.
Described load shedding step comprises following sub-step:
S21: host computer is connected with data recorder by USB3.0 interface, and load shedding instruction is sent to USB control module;
This load shedding instruction is sent to the CPLD programmable module be connected with Data Control parsing module by S22:USB control module by GPIF interface;
S23: after Data Control parsing module receives load shedding instruction, Data Analysis is carried out to data to be unloaded, send the data to be unloaded after resolving to host computer by the transfer of CPLD module, USB control module and USB3.0 interface successively, data to be unloaded complete unloading operation from data recorder.
Host computer or be connected with Data Control parsing module by USB OTG interface, is realized carrying out data transmission by USB OTG data line between host computer and data recorder, and completes load shedding step.
Carry out data by USB OTG data line between described host computer and data recorder to transmit and the implementation of load shedding step is:
Host computer sends data transfer request by USB OTG interface to Data Control parsing module, after Data Control parsing module accepts this data transfer request, if this data transfer request receives data waiting for transmission for asking host computer, then host computer receives the data that host computer sends, and by this data buffer storage in DDR3 internal memory, Data Analysis is carried out to these data simultaneously, finally the data after parsing are kept in mSATA or eMMC memory module; If this data transfer request sends data waiting for transmission for asking host computer, then host computer carries out Data Analysis to data waiting for transmission in mSATA or eMMC memory module, and the data after resolving are sent to host computer by USB OTG interface.
It also comprises data retrieval step, step, described data retrieval step, step is: data retrieval instructions is sent to USB control module by USB3.0 interface by host computer, this data retrieval instructions is transmitted to Data Control parsing module by CPLD programmable module by USB control module, Data Control parsing module carries out retrieval and inquisition according to data retrieval instructions in tables of data, and result for retrieval is returned to host computer; Data retrieval instructions is sent to Data Control parsing module by USB OTG interface by host computer, and Data Control parsing module carries out retrieval and inquisition according to data retrieval instructions in tables of data, and result for retrieval is returned to host computer by USB OTG interface.
The invention has the beneficial effects as follows: the invention provides a kind of portable data device and method thereof, can complete rapid deployment radio monitoring equipment data to be outputted in portable data device by network interface and carry out transmitting and storing, host computer carries out fast discharging and retrieval at a high speed by USB3.0 interface or USB OTG interface to the data in data recorder.
Data recorder structure of the present invention is simple, small volume and less weight, and support that POE powers, power supply mode is simple and reliable, and portability is high.
Data recorder of the present invention adopts mSATA and eMMC two kinds of storeies to store data, and transfer efficiency is high, and data security is reliable, can realize the object of small size large storage capacity, supports USB OTG control mode.
Accompanying drawing explanation
Fig. 1 is the inventive method data reception step process flow diagram;
Fig. 2 is the inventive method load shedding flow chart of steps;
Fig. 3 is the system architecture diagram of data recorder of the present invention;
Fig. 4 is a kind of case study on implementation of data recorder of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
A kind of portable data device and method thereof, it comprises data reception step and load shedding step.
As shown in Figure 1, described data reception step comprises following sub-step:
S11: rapid deployment wireless monitoring device is connected with data recorder by network interface, sends data to ethernet transceiver by network interface;
S12: ethernet transceiver passes through RGMII interface by this data retransmission to Data Control parsing module;
S13: Data Control is resolved by this data temporary cache in DDR3 internal memory, and resolves the form of these data, carries out Data Analysis to these data;
S14: the data after parsing are stored in mSATA or eMMC memory module by Data Control parsing module, complete data reception step.
As shown in Figure 2, described load shedding step comprises following sub-step:
S21: host computer is connected with data recorder by USB3.0 interface, and load shedding instruction is sent to USB control module;
This load shedding instruction is sent to the CPLD programmable module be connected with Data Control parsing module by S22:USB control module by GPIF interface;
S23: after Data Control parsing module receives load shedding instruction, is transferred to host computer by data batchmove to be unloaded, and data to be unloaded complete unloading operation from data recorder.
In described load shedding step, after Data Control parsing module receives load shedding instruction, Data Analysis is carried out to data to be unloaded, sends the data to be unloaded after resolving to host computer by the transfer of CPLD module, USB control module and USB3.0 interface successively.
Described network interface is also connected with power management module, for Data Control parsing module, USB control module provide power supply.
Host computer is also connected with Data Control parsing module by USB OTG interface, realizes carrying out data transmission by USB OTG data line between host computer and data recorder, and completes load shedding step.
Carry out data by USB OTG data line between described host computer and data recorder to transmit and the implementation of load shedding step is: host computer sends data transfer request by USB OTG interface to Data Control parsing module, after Data Control parsing module accepts this data transfer request, if this data transfer request receives data waiting for transmission for asking host computer, then host computer receives the data that host computer sends, and by this data buffer storage in DDR3 internal memory, Data Analysis is carried out to these data simultaneously, finally the data after parsing are kept in mSATA or eMMC memory module, if this data transfer request sends data waiting for transmission for asking host computer, then host computer carries out Data Analysis to data waiting for transmission in mSATA or eMMC memory module, and the data after resolving are sent to host computer by USB OTG interface.
It also comprises data retrieval step, step, described data retrieval step, step is: data retrieval instructions is sent to USB control module by USB3.0 interface by host computer, this data retrieval instructions is transmitted to Data Control parsing module by CPLD programmable module by USB control module, Data Control parsing module carries out retrieval and inquisition according to data retrieval instructions in tables of data, and result for retrieval is returned to host computer; Data retrieval instructions is sent to Data Control parsing module by USB OTG interface by host computer, and Data Control parsing module carries out retrieval and inquisition according to data retrieval instructions in tables of data, and result for retrieval is returned to host computer by USB OTG interface.
As shown in Figure 3, a kind of portable data device of the present invention, it comprises Data Control parsing module, USB control module, ethernet transceiver and memory module, described Data Control parsing module is connected by the programmable interface of programmable module with USB control module, USB control module is connected with host computer by USB interface, Data Control parsing module is connected with memory module, Data Control parsing module is connected with one end of ethernet transceiver by RGMII interface, and the other end of ethernet transceiver is connected with network interface.
Described memory module comprise in harddisk memory, memory modules and flash memory module one or more, described harddisk memory, memory modules and flash memory module are connected with Data Control parsing module respectively.
Described memory module comprise in mSATA memory module, DDR3 memory module and eMMC memory module one or more, described mSATA memory module is connected with Data Control parsing module by SATA interface, described DDR3 memory module is connected with Data Control parsing module by DDR3 interface, and described eMMC memory module is connected with Data Control parsing module by SD I/O interface.
It also comprises power management module, and the output of described power management module is connected with the power supply input of Data Control parsing module, and the input of power management module exports with the POE power supply of network interface and is connected or is connected with power interface.
It also comprises USB OTG interface, and described USB OTG interface is held with the USB OTG of Data Control parsing module and is connected.
It also comprises debugging interface, and described debugging interface is connected with Data Control parsing module by serial transceiver.
It also comprises pilot lamp and/or display screen, described pilot lamp is connected with Data Control parsing module with display screen, described pilot lamp comprise in power light, working station indicator and network connection status indicator lamp one or more, the displaying contents of described display screen comprises work state information and storage space balance information.
Described USB control module is also connected with clock signal generating module.
As shown in Figure 4, a concrete case study on implementation of data recorder of the present invention.
A kind of portable data device, it comprises Data Control parsing module, USB control module, ethernet transceiver, power management module, memory modules, flash memory module, harddisk memory, programmable module, serial transceiver, clock signal generating module, pilot lamp and display screen, and it also comprises RJ45 network interface, outside 5V voltage input interface, USB 2.0 OTG interface, USB 3.0 interface and DB9 serial debug interface.
Described Data Control parsing module is i.MX535 or the i.MX537 chip of Freescale company, recommend to adopt i.MX537 chip as Data Control parsing module, Data Control parsing module is used for reception, the storage of net control data, and controls the duty of register.I.MX537 chip has DDR3-800 sdram interface, support ALARA Principle nand flash memory, there is eMMC 4.4/SDIO interface, there is the high speed USB 2.0 OTG interface of band PHY, there is high-speed USB peripheral controller interface, there is SATA control unit interface, there is SDIO, SPI, the multiple serial line interface such as I2C and UART, meet the demand of data recorder of the present invention, support 0.8mm pitch packages, encapsulation volume is little, reduce printed circuit board (PCB) and manufacturing cost, i.MX537 chip operating rate is high, performance is good low in energy consumption, temperature range is wide, can reliable and stable use in harsh environment.
Described USB control module is the CYUSB3014 chip of Cypress company.Described ethernet transceiver is LAN8720 Ethernet PHY chip.Described memory modules is the DDR3 storer that capacity is more than or equal to 512MByte.Described flash memory module is the eMMC storer that capacity is more than or equal to 1GByte.Described harddisk memory is the mSATA storer that capacity is more than or equal to 128GByte.Described programmable module is CPLD.Described clock signal generating module is crystal oscillator, and crystal oscillator frequency is 52MHz, 38.4MHz, 26MHz and 19.2MHz, and the present invention recommends the clock signal selecting 19.2MHz.
Described i.MX537 chip is connected with LAN8720 chip by RGMII interface, RGMII(Reduced Gigabit Media Independent Interface) be Reduced GMII and Gigabit Media stand-alone interface, RGMII adopts 4 bit data interface, and transmit data at rising edge and negative edge, therefore its transfer rate is high simultaneously.Adopt RGMII interface can improve the transfer efficiency of network data, and effectively reduce circuit cost, the number of pins of the device realizing this interface is significantly reduced.Data recorder of the present invention adopts LAN8720 ethernet transceiver chip, and its data transfer rate is high, and the few encapsulation volume of pin is little, reduces the volume of register of the present invention, increases portability of the present invention.
Described LAN8720 chip is also connected with RJ45 network interface, LAN8720 chip receives outside steering order by RJ45 network interface, and the data received from the passback of rapid deployment equipment, and by RJ45 network interface, the steering order that i.MX537 chip sends is transmitted to rapid deployment equipment.
Described RJ45 network interface also has the function of powering for data recorder of the present invention concurrently, is that register is powered by the mode of POE POE.POE technology can ensure the normal operation of existing network while guaranteeing existing structureization wiring safety, reduces costs to greatest extent.Data recorder of the present invention adopts POE power supply technique, reduces equipment cost, and strengthen the portability of equipment, make data recorder of the present invention not need to power by external power adapter, power supply mode is simple and easy.
The power supply input of described i.MX537 chip is connected with the output of power management module, and the input of power management module can export with the POE power supply of RJ45 network interface and be connected, and also can be connected by the power supply of power interface with outside+5V.Data recorder of the present invention is provided with external power source interface simultaneously, such that data recorder can environment relaying be continuous uses not having POE to power.
The DDR3 storer that described i.MX537 chip is more than or equal to 512MByte by DDR3 interface and capacity is connected, DDR3 internal memory has high Operating ettectiveness and low working voltage feature, while reaching high bandwidth, its power consumption can reduce on the contrary, and thermal value during operation is few.Data recorder of the present invention can power and energy saving, transfer efficiency be faster more, thermal value is less, travelling speed is faster, it is more stable to run to adopt DDR3 internal memory to make.
The eMMC storer that described i.MX537 chip is more than or equal to 1GByte by SD I/O interface and capacity is connected, the maximum advantage of eMMC is low complex degree, high integration and low wiring difficulty etc., without the need to considering the problem whether Data Control parsing module and flash memory be compatible, without compatible worried, difficulty all can reduce with the complexity taking volume and register circuit board.
The mSATA storer that described i.MX537 chip is more than or equal to 128GByte by SATA1.0 interface and capacity is connected, mSATA is the miniversion of standard SATA, mSATA has the features such as capacity is large, volume is little, dependable performance, such that data recorder memory capacity of the present invention is large, data read rates is fast, volume energy does less.
The high speed USB 2.0 OTG interface end of described i.MX537 chip is connected with USB 2.0 OTG interface.
The high-speed USB peripheral controller interface end of described i.MX537 chip is connected with CPLD programmable module, CPLD programmable module is connected with USB controller CYUSB3014 chip by GPIF PLC technology interface, the clock signal input of CYUSB3014 chip is connected with the output of crystal oscillator, CYUSB3014 chip is connected with host computer by USB3.0 interface, host computer is connected with data recorder of the present invention by USB3.0 interface, completes the data fast discharging to data recorder of the present invention and data high-speed retrieval.USB3.0 interface is in order to complete power supply when load shedding and load shedding.Wherein, USB3.0 interface connector model is GSB316441CEU.
The UART serial ports end of described i.MX537 chip is connected with serial transceiver, and serial transceiver is also connected with DB9 serial debug interface, realizes serial data communication, for debugging.
Described pilot lamp is connected with i.MX537 chip with display screen, pilot lamp can be power light, working station indicator and network connection status indicator lamp etc., and the content of display screen display comprises the information such as equipment state, current operating state and storage space surplus.
Technical grade device selected by all devices, and working temperature, between-40 DEG C ~+85 DEG C, meets request for utilization.Select low-power chip, reduce power consumption.
Portable data device of the present invention adopts i.MX537 chip as primary processor, the reception of net control data, storage, and the duty of register.I.MX537 chip is 1GHz ARM Cortex-A8 processor, has the advantage such as low-power consumption, high-performance, runs linux operating system; Processor plate carries the DDR3 storer of 512MByte, runs carrier and data buffer storage as program; The data received from rapid deployment radio monitoring equipment are saved in that volume is little, the mSATA hard disk of dependable performance; I.MX537 chip supports SATA 1.0 interface, can reach 150MByte/s with the transfer rate of mSATA; Register adopts CYUSB3014 chip as USB 3.0 control chip, and CYUSB3014 is communicated with i.MX537 by high speed GPIF interface, and transfer rate can reach 100MByte/s, realizes the load shedding of two-forty.
During data receiver, received the data of rapid deployment radio monitoring equipment transmission by 10/100Mbsp network interface, and be cached in DDR3 storer, these data are stored in mSATA after Data Analysis again.
During load shedding, host computer reads the data content in mSATA by CYUSB3014 control chip, by the data that the mode fast finding of data retrieval is to be unloaded, when unloading data to be unloaded, data to be unloaded transfer to host computer by USB3.0 interface.
Claims (10)
1. a portable data device, it is characterized in that: it comprises Data Control parsing module, USB control module, ethernet transceiver and memory module, described Data Control parsing module is connected by the programmable interface of programmable module with USB control module, USB control module is connected with host computer by USB interface, Data Control parsing module is connected with memory module, Data Control parsing module is connected with one end of ethernet transceiver by RGMII interface, and the other end of ethernet transceiver is connected with network interface.
2. a kind of portable data device according to claim 1, it is characterized in that: described memory module comprise in harddisk memory, memory modules and flash memory module one or more, described harddisk memory, memory modules and flash memory module are connected with Data Control parsing module respectively.
3. a kind of portable data device according to claim 1, it is characterized in that: described memory module comprise in mSATA memory module, DDR3 memory module and eMMC memory module one or more, described mSATA memory module is connected with Data Control parsing module by SATA interface, described DDR3 memory module is connected with Data Control parsing module by DDR3 interface, and described eMMC memory module is connected with Data Control parsing module by SD I/O interface.
4. a kind of portable data device according to claim 1, it is characterized in that: it also comprises power management module, the output of described power management module is connected with the power supply input of Data Control parsing module, and the input of power management module exports with the POE power supply of network interface and is connected or is connected with power interface.
5. a kind of portable data device according to claim 1, is characterized in that: it also comprises USB OTG interface, and described USB OTG interface is held with the USB OTG of Data Control parsing module and is connected.
6. a kind of portable data device according to claim 1, it is characterized in that: it also comprises debugging interface, described debugging interface is connected with Data Control parsing module by serial transceiver.
7. a kind of portable data device according to claim 1, it is characterized in that: it also comprises pilot lamp and display screen, described pilot lamp and/or display screen are connected with Data Control parsing module, described pilot lamp comprise in power light, working station indicator and network connection status indicator lamp one or more, the displaying contents of described display screen comprises work state information and storage space balance information.
8. a kind of portable data device according to claim 1, is characterized in that: described USB control module is also connected with clock signal generating module.
9. a method for portable data device, is characterized in that: it comprises data reception step and load shedding step, and described data reception step comprises following sub-step:
S11: rapid deployment wireless monitoring device is connected with data recorder by network interface, sends data to ethernet transceiver by network interface;
S12: ethernet transceiver passes through RGMII interface by this data retransmission to Data Control parsing module;
S13: Data Control is resolved by this data temporary cache in DDR3 internal memory, and resolves the form of these data, carries out Data Analysis to these data;
S14: the data after parsing are stored in mSATA or eMMC memory module by Data Control parsing module, complete data reception step;
Described load shedding step comprises following sub-step:
S21: host computer is connected with data recorder by USB3.0 interface, and load shedding instruction is sent to USB control module;
This load shedding instruction is sent to the CPLD programmable module be connected with Data Control parsing module by S22:USB control module by GPIF interface;
S23: after Data Control parsing module receives load shedding instruction, Data Analysis is carried out to data to be unloaded, send the data to be unloaded after resolving to host computer by the transfer of CPLD module, USB control module and USB3.0 interface successively, data to be unloaded complete unloading operation from data recorder;
Host computer or be connected with Data Control parsing module by USB OTG interface, is realized carrying out data transmission by USB OTG data line between host computer and data recorder, and completes load shedding step;
Carry out data by USB OTG data line between described host computer and data recorder to transmit and the implementation of load shedding step is:
Host computer sends data transfer request by USB OTG interface to Data Control parsing module, after Data Control parsing module accepts this data transfer request, if this data transfer request receives data waiting for transmission for asking host computer, then host computer receives the data that host computer sends, and by this data buffer storage in DDR3 internal memory, Data Analysis is carried out to these data simultaneously, finally the data after parsing are kept in mSATA or eMMC memory module;
If this data transfer request sends data waiting for transmission for asking host computer, then host computer carries out Data Analysis to data waiting for transmission in mSATA or eMMC memory module, and the data after resolving are sent to host computer by USB OTG interface.
10. the method for a kind of portable data device according to claim 9, it is characterized in that: it also comprises data retrieval step, step, described data retrieval step, step is: data retrieval instructions is sent to USB control module by USB3.0 interface by host computer, this data retrieval instructions is transmitted to Data Control parsing module by CPLD programmable module by USB control module, Data Control parsing module carries out retrieval and inquisition according to data retrieval instructions in tables of data, and result for retrieval is returned to host computer;
Data retrieval instructions is sent to Data Control parsing module by USB OTG interface by host computer, and Data Control parsing module carries out retrieval and inquisition according to data retrieval instructions in tables of data, and result for retrieval is returned to host computer by USB OTG interface.
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