CN101832125A - Remotely updating device of EDIB (Electronic Data Interchange Bus) based down-hole program - Google Patents
Remotely updating device of EDIB (Electronic Data Interchange Bus) based down-hole program Download PDFInfo
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Abstract
The invention discloses a remotely updating device of an EDIB (Electronic Data Interchange Bus) based down-hole program. In a ground logging system, an updating program is compiled as a target file of .out by CCS (Compiling Program Software); in a program processing module, the program is analyzed and extracted to be changed into hexadecimal data and then is encapsulated; in a data transmission module, Manchester encoding is performed, a differential signal outputted after encoding is driven, isolated, coupled and outputted to the EDIB. In a down-hole apparatus, the differential signal on the EDIB is coupled, linearly received and reshaped in a data receiving module, and outputted to FPGA (Field Programmable Gate Array) for Manchester encoding so as to restore the hexadecimal encapsulated data; a program updating module extracts the hexadecimal data from the hexadecimal encapsulated data, restores the hexadecimal data as an object code capable of being identified by DSP BootLoader and then writes the restored hexadecimal data in a program storage via a programming library function so as to update the program of a down-hole apparatus. Without influencing on the normal logging work, the ground system and the down-hole apparatus are reconstructed to improve the logging efficiency.
Description
Technical field
The invention belongs to program remote update technical field, more specifically say, relate to a kind of down-hole program remotely updating device based on the EDIB bus.
Background technology
CNOOC has developed the ELIS logging system in the service technology center, and has proposed a kind of communication standard of downhole instrument.
That prior art on 02 18th, 2009 is announced, notice of authorization number is called the circuit that the Chinese utility model manual of " a kind of communicating circuit that is used for downhole instrument " provides a kind of ground logging system and downhole instrument to carry out communication for CN 201196089Y, name, one end of this communicating circuit is connected with the logging system on ground by the EDIB bus, and the other end is connected with the data acquisition processing system of downhole instrument by duplexing serial ports; Described communicating circuit is made up of field programmable gate array chip, CPU, data storage, program storage, reset circuit, clock occurrence logic circuit and data channel; Wherein, described field programmable gate array chip is connected with the EDIB bus by described data channel, also is connected with described duplexing serial ports with described central processor unit respectively; Described data storage, program storage and reset circuit link to each other with central processor unit respectively, and described clock occurrence logic circuit links to each other with described CPU, field programmable gate array chip respectively.This communicating circuit has been realized the communication of ground logging system and downhole instrument.
Yet, because the complexity of well logging environment and operation often needs the DSP program of downhole instrument is made amendment or version updating.Method commonly used is that logger is taken out in the well head of several kms, and dismounting is the circuit part shell down, calls the programming plug-in unit and finishes the DSP program updates by jtag interface.This process efficiency is low, can not satisfy the actual requirement of well logging process.
Summary of the invention
The objective of the invention is under existing well on the instrument communication circuit base, a kind of down-hole program remotely updating device based on the EDIB bus is proposed, realize that downhole instrument passes through the EDIB EBI and realizes down-hole modification of program or version updating under enclosed environment, this can be under the prerequisite that does not influence normal well logging work, ground system and downhole instrument are transformed, improved logging efficiency.
For achieving the above object, the down-hole program remotely updating device based on the EDIB bus of the present invention comprises:
One routine processes module, the routine processes module comprises the program format parsing module, data extraction module and data format package module; Refresh routine becomes the file destination of .out by the CCS software translating, sends into the BootLoader data streaming file that the program format parsing module changes the ASCII-Hex form into then; Data extraction module becomes 16 system data with the BootLoader data streaming file; The data format package module encapsulates 16 system data according to the regulation of downhole instrument control protocol;
One data transmission blocks, data transmission blocks comprise Manchester's code chip, linear driving chip and sending mode transformer; 16 system data after the encapsulation are sent in the Manchester's code chip and are encoded, and the differential signal of coding back output outputs on the EDIB bus through linear driving chip drives, the coupling of sending mode transformer isolation;
Routine processes module and data transmission blocks are arranged in ground logging system;
One data reception module, data reception module comprise receiving mode transformer, linear receiving chip, CMOS logic reversal schmidt trigger chip and FPGA; Differential signal on the EDIB bus through the receiving mode transformer isolation coupling deliver to and carry out in the linear receiving chip after both-end becomes single-ended processing, send into CMOS logic reversal schmidt trigger chip and carry out shaping, output is sent into and is carried out manchester decoder among the FPGA, restores 16 system encapsulation of data;
One program updates module, the program updates module comprises dsp chip, data storage and program storage; DSP comes out 16 system data extracts in the 16 system encapsulation of data, and be reduced to the object code that to be discerned by DSPBootLoader, be stored in the data storage, then, call the programming built-in function, to be stored in object code programming in the data storage in program storage, realize the renewal of down-hole program;
Data reception module and program updates module are arranged in downhole instrument.
Goal of the invention of the present invention is achieved in that
In ground logging system, refresh routine becomes the file destination of .out by the CCS software translating, and the program format parsing module changes it BootLoader data streaming file of ASCII-Hex form into; Data extraction module becomes 16 system data with the BootLoader data streaming file, and the data format package module encapsulates 16 system data according to the regulation of downhole instrument control protocol; 16 system data after the encapsulation are encoded in the Manchester's code chip, the differential signal of coding back output outputs on the EDIB bus through linear driving chip drives, the coupling of sending mode transformer isolation, and ground logging system has been finished compiling, encapsulation, coding and the transmission of refresh routine like this.
In downhole instrument, differential signal on the EDIB bus through the receiving mode transformer isolation coupling deliver to and carry out in the linear receiving chip after both-end becomes single-ended processing, send into CMOS logic reversal schmidt trigger chip and carry out shaping, output is sent into and is carried out manchester decoder among the FPGA, restores 16 system encapsulation of data; DSP comes out 16 system data extracts in the 16 system encapsulation of data, and be reduced to the object code that to be discerned by DSP BootLoader, be stored in the data storage, then, call the programming built-in function, to be stored in object code programming in the data storage in program storage, downhole instrument has been finished reception, decoding, decapsulation and the programming of refresh routine like this, realized the program updates of downhole instrument, under the prerequisite that does not influence normal well logging work, ground system and downhole instrument are transformed, improved logging efficiency.
Description of drawings
Fig. 1 is the down-hole program remotely updating device theory diagram that the present invention is based on the EDIB bus;
Fig. 2 is a data transmission blocks electrical schematic diagram shown in Figure 1;
Fig. 3 is a data reception module electrical schematic diagram shown in Figure 1;
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described, so that those skilled in the art understands the present invention better.What need point out especially is that in the following description, when perhaps the detailed description of known function and design can desalinate main contents of the present invention, these were described in here and will be left in the basket.
Embodiment
Fig. 1 is the down-hole program remotely updating device theory diagram that the present invention is based on the EDIB bus
As shown in Figure 1, in ground logging system, include routine processes module 1 and data transmission blocks 2.Refresh routine generates the file destination of .out by the CCS software translating, is sent to routine processes module 1 in the ground logging system as input.Routine processes module 1 resolves to the BootLoader data flow with the file destination of .out, becomes 16 system data then, and encapsulates according to downhole instrument control protocol data format.Data transmission blocks 2 is carried out Manchester (Manchester) coding with 16 packaged system data, and the differential signal of coding back output outputs on the EDIB bus through linear driving chip drives, the coupling of sending mode transformer isolation.
In the downhole instrument, comprise data reception module 3 and program updates module 4, data reception module 3 receives Manchester on the EDIB bus (Manchester) coded data, and reverts to the encapsulation of data of 16 systems.DSP comes out the data extract in the 16 system encapsulation of data in the program updates module 4, and be reduced to the object code that to be discerned by DSPBootLoader, be stored in the data storage, then, call the programming built-in function, to be stored in object code programming in the data storage in program storage, realize the renewal of down-hole program.
In the present embodiment, to the downhole instrument refresh routine, by the translation and compiling environment of Texas Instrument (TI), promptly the CCS software translating generates file destination, and promptly the .out file is a kind of modularization file format.Because the .out file can only download through jtag interface by the programming plug-in unit the CCS environment under, be the lead schedule data stream format that to be discerned by DSP Bootloader program, i.e. BootLoader data streaming file so also need with the .out document analysis.In the present embodiment, the crossover tool hex2000 that utilizes Texas Instrument (TI) to provide is the BootLoader data streaming file of ASCII-Hex form with the .out file conversion.Then in data extraction module, the BootLoader data streaming file of ASCII-Hex form is become 16 system data, promptly the BootLoader data of 16 systems encapsulate according to downhole instrument control protocol data format.
In the present embodiment, according to downhole instrument control protocol regulation, the form of the encapsulation of data that issues has following requirement: first word is instruction, comprises instrument address and concrete command information.Illustrate 0x03FF, 03 represents the instrument address, and what the FF representative issued is the program updates instruction.Second word is data length, shows the total length that issues data specifically.Be data value since the 3rd word, specific to the BootLoader data that are exactly 16 systems here.The last character is data and check word.
Fig. 2 is a data transmission blocks electrical schematic diagram shown in Figure 1
In the present embodiment, send Mode 2 modes in the transmission means employing EDIB bus, data are encoded to Manchester (Manchester) coding, and speed is 20.883Kbps.The Manchester's code form can improve reliability of data transmission and stability, thus guarantee downhole instrument under abominable subsurface environment can and ground logging system carry out proper communication.
In the Mode2 downlink transmission mode, the data of transmission are divided into command word and two kinds of forms of data word, be defined as follows: if transmission is command word, (preceding 1.5 is high level to 3 synchronous start bits, 1.5 of backs are for low level) add 16 data, add 1 check bit, the length of whole Frame is 20; If what transmit is data word, 3 synchronous start bits (preceding 1.5 is low level, and back 1.5 are high level) add 16 data, add 1 check bit, and the length of whole Frame is 20.Under idle condition, data wire remains low level.Most-significant byte is represented the instrument address in the 16 bit data positions in command word, and least-significant byte is represented order.Manchester's code belongs to prior art, does not repeat them here.
In the present embodiment, command word is the instruction of encapsulation of data, i.e. 0x03FF, and 03 represents the instrument address, and what the FF representative issued is the program updates instruction.All representing data for 16 in data word, in the present embodiment, be the data length of second word of encapsulation of data, be data value since the 3rd word, specifically be exactly the BootLoader data of 16 systems, and the last character is data and check word.
The Mode2 interface code is realized in the DSP of ground logging system.As shown in Figure 2, in the ground logging system, the routine processes module is input to serial 16 system encapsulation of data in the Manchester's code chip 201, and in the present embodiment, Manchester's code chip 201 adopts the HD-6408 chip of Intersil company.By the characteristic of Manchester coding as can be known, bits per inch all is encoded to 2 according to 0 or 1, is that 2 times clock of code check is sampled so need frequency, and input clock is 250KHZ, this signal at the HD-6408 chip divided by 6 clocks that obtain 41.667KHz.HD-6408 chip output differential signal M2BOO and M2BZO, driving chip 202 through linearity drives, output drives back differential signal Y1 and Y2, drive back differential signal Y1 and Y2 and after sending mode transformer 203 isolation coupling, export differential signal M2+ and M2-, serve the EDIB bus, mail to downhole instrument.
In the present embodiment, the model of Linear Driving chip 202 employing National Semiconductors (NationalSemiconductor) is the Linear Driving chip of DS75453M.
Fig. 3 is a data reception module electrical schematic diagram shown in Figure 1
Downhole instrument need carry out Manchester (Manchester) decoding to the manchester encoded data that receives, and then, according to the command value that receives, distinguishing the data of receiving is normally log well work desired parameters data or program updates desired data.In the present embodiment, if first word of receiving is 0x03FF, the data that then show reception are program updates desired datas, and data reception module finally can be reduced to it can be by DSP Bootloader recognition data form.
When being transferred to the front end of downhole instrument for the difference form manchester encoded data that passes down, carrying out a step-down handles, as shown in Figure 3, differential signal M2+ after the step-down and M2-carry out isolation coupling output differential signal Y1, Y2 by receiving mode transformer 301 and carry out the single-ended processing of both-end change back output single-ended signal BMD2 to linear receiving chip 302.After single-ended signal BMD2 adjusted through reverse schmidt trigger chip 303 shapings again, the single-ended signal M2UDI behind the output Shaping sent into FPGA 304 and carries out Manchester (Manchester) decoding processing, restores 16 system encapsulation of data.
Manchester (Manchester) decode logic circuit realizes with Verilog in FPGA 304 in the present embodiment.Wherein, the identification of synchronous head is comparatively crucial, if correctly identification can cause losing of command word or data word.Sampling clock monitoring single-ended signal M2UDI with 1MHz, begin as decode logic with level triggers, if the low level of 1.5 of continued presences and two effective Manchester (Manchester) sign indicating number position in the data queue that collected afterwards, promptly 0001001,0001010,0000101 and 0,000,110 4 kind of situation, just think that the command word synchronous head is effective; If the high level of 1.5 of continued presences and two effective Manchester (Manchester) sign indicating number position in the data queue that collected afterwards, promptly 1111001,1111010,1110101 and 1,110,110 4 kind of situation, just think that the data word synchronous head is effective.The detection of data bit be under the 41.667KHz clock per two receive one.Last position is an odd parity bit, if odd parity bit is correct, illustrates and receives a correct complete word.16 system data encapsulation data of decoding output among the FPGA 304, promptly 16 system data of command value+data length+data value+check word are sent in the register of DSP, and data value herein is the BootLoader data of 16 systems.
In the present invention, the FPGA that shared downhole instrument generally adopts carries out Manchester (Manchester) decoding, can use a slice Manchester (Manchester) decoding chip less, has reduced circuit area, makes the utilization of FPGA more abundant.
In the present embodiment, the dsp chip in the program updates module 4 reads 16 system data encapsulation data by port controling register address 0x2020 from data/address bus.
In the present embodiment, it is the dsp chip of TMS320F2812 that dsp chip adopts the signal of Texas Instruments (TI), because the inside of TMS320F2812 has only the RAM of 16K, the space is limited, so the DSP of program updates module 4 comes out 16 system data extracts in the 16 system encapsulation of data, and be reduced to the object code that can be discerned by DSP BootLoader, be stored in the 512K data storage.512K data storage chip selection signal is produced by the chip selection signal XZCS2 of TMS320F2812, and high address byte and low address byte are write control and produced automatically by the Bus Interface Unit of DSP.Afterwards, the DSP of program updates module 4 calls the Flash281x_API built-in function, and the object code programming realizes program updates in the 512K data storage in the program memory space of appointment with leaving in.Flash281x_API function library programming technology is to utilize the programmed algorithm of TI company, and this algorithm definition is good, simple to operate.It should be noted that one of them sector working procedure does not go to wipe or other sectors of programming owing to Flash on the TMS320F2812 sheet is not supported in, need move to ram in slice so call this part program of Flash281x_API built-in function realization programming Flash work.The programming process is a prior art, does not repeat them here.
Although above the illustrative specific embodiment of the present invention is described; so that the technician of present technique neck understands the present invention; but should be clear; the invention is not restricted to the scope of the specific embodiment; to those skilled in the art; as long as various variations appended claim limit and the spirit and scope of the present invention determined in, these variations are conspicuous, all utilize innovation and creation that the present invention conceives all at the row of protection.
Claims (4)
1. the down-hole program remotely updating device based on the EDIB bus is characterized in that, comprising:
One routine processes module, the routine processes module comprises the program format parsing module, data extraction module and data format package module; Refresh routine becomes the file destination of .out by the CCS software translating, sends into the BootLoader data streaming file that the program format parsing module changes the ASCII-Hex form into then; Data extraction module becomes 16 system data with the BootLoader data streaming file; The data format package module encapsulates 16 system data according to the regulation of downhole instrument control protocol;
One data transmission blocks, data transmission blocks comprise Manchester's code chip, linear driving chip and sending mode transformer; 16 system data after the encapsulation are sent in the Manchester's code chip and are encoded, and the differential signal of coding back output outputs on the EDIB bus through linear driving chip drives, the coupling of sending mode transformer isolation;
Routine processes module and data transmission blocks are arranged in ground logging system;
One data reception module, data reception module comprise receiving mode transformer, linear receiving chip, CMOS logic reversal schmidt trigger chip and FPGA; Differential signal on the EDIB bus through the receiving mode transformer isolation coupling deliver to and carry out in the linear receiving chip after both-end becomes single-ended processing, send into CMOS logic reversal schmidt trigger chip and carry out shaping, the output single-ended signal is sent into and is carried out manchester decoder among the FPGA, restores 16 system encapsulation of data;
One program updates module, the program updates module comprises dsp chip, data storage and program storage; DSP comes out 16 system data extracts in the 16 system encapsulation of data, and be reduced to the object code that to be discerned by DSPBootLoader, be stored in the data storage, then, call the programming built-in function, to be stored in object code programming in the data storage in program storage, realize the renewal of down-hole program;
Data reception module and program updates module are arranged in downhole instrument.
2. down-hole according to claim 1 program remotely updating device, it is characterized in that, described 16 system encapsulation of data are: first word is instruction, comprise the instruction of instrument address and program updates, second word is data length, be data value since the 3rd word, the last character is data and check word;
Described data value is 16 system data.
3. down-hole according to claim 1 program remotely updating device is characterized in that, carries out manchester decoder among the described FPGA, restores 16 system encapsulation of data to be:
With the sampling clock of 1MHz monitoring single-ended signal, begin as decode logic with level triggers, if in the data queue that collected afterwards low level and two effective Manchester code positions of 1.5 of continued presences, just think that the command word synchronous head is effective; If the high level of 1.5 of continued presences and two effective Manchester (Manchester) sign indicating number position just thinks that the data word synchronous head is effective in the data queue that collected afterwards; The detection of data bit be under the 41.667KHz clock per two receive one; Last position is an odd parity bit, if odd parity bit is correct, illustrates and receives a correct complete word.
4. down-hole according to claim 1 program remotely updating device, it is characterized in that, described DSP comes out 16 system data extracts in the 16 system encapsulation of data, and is reduced to the object code that can be discerned by DSPBootLoader, is stored in the data storage to be:
16 system data encapsulation data of decoding output are sent in the register of DSP among the FPGA, and the dsp chip in the program updates module reads 16 system data encapsulation data by the port controling register address from data/address bus;
The DSP of program updates module will come out from 16 system data extracts the 16 system encapsulation of data that register reads, and be reduced to the object code that can be discerned by DSP BootLoader, be stored in the data storage.
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| CN2010101504680A CN101832125B (en) | 2010-04-16 | 2010-04-16 | Remotely updating device of EDIB (Electronic Data Interchange Bus) based down-hole program |
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| CN2010101504680A CN101832125B (en) | 2010-04-16 | 2010-04-16 | Remotely updating device of EDIB (Electronic Data Interchange Bus) based down-hole program |
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| CN104123168A (en) * | 2014-08-07 | 2014-10-29 | 广州金山网络科技有限公司 | Application upgrading method and device |
| CN104461624A (en) * | 2014-12-03 | 2015-03-25 | 电子科技大学 | Remote upgrading method of near probe measuring module for three-dimensional acoustic logging instrument |
| CN109327366A (en) * | 2018-10-17 | 2019-02-12 | 西安微电子技术研究所 | A kind of high speed 1553B bus signals decoder design method |
| CN110939437A (en) * | 2019-12-16 | 2020-03-31 | 北京港震科技股份有限公司 | Underground data acquisition device and system |
| CN112181881A (en) * | 2020-09-16 | 2021-01-05 | 中国海洋石油集团有限公司 | EDIB-USB communication adapter and communication system |
| CN112887057A (en) * | 2021-01-18 | 2021-06-01 | 北京港震科技股份有限公司 | Underground data processing device and system |
| CN113312098A (en) * | 2020-04-01 | 2021-08-27 | 阿里巴巴集团控股有限公司 | Program loading method, device, system and storage medium |
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| CN110939437A (en) * | 2019-12-16 | 2020-03-31 | 北京港震科技股份有限公司 | Underground data acquisition device and system |
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| CN112181881A (en) * | 2020-09-16 | 2021-01-05 | 中国海洋石油集团有限公司 | EDIB-USB communication adapter and communication system |
| CN112181881B (en) * | 2020-09-16 | 2022-06-14 | 中国海洋石油集团有限公司 | EDIB-USB communication adapter and communication system |
| CN112887057A (en) * | 2021-01-18 | 2021-06-01 | 北京港震科技股份有限公司 | Underground data processing device and system |
| CN112887057B (en) * | 2021-01-18 | 2023-07-07 | 北京港震科技股份有限公司 | Underground data processing device and system |
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