CN1487416A

CN1487416A - On-line photoelectronic address setting method and device for realizing the same method

Info

Publication number: CN1487416A
Application number: CNA031386318A
Authority: CN
Inventors: 颜志坚
Original assignee: Star Reach Corp
Current assignee: Star Reach Corp
Priority date: 2002-08-20
Filing date: 2003-05-22
Publication date: 2004-04-07
Anticipated expiration: 2023-05-22
Also published as: CN1311359C

Abstract

The present invention provides on-line ID setting method and device, and is especially light device to connect with standard DMX signal. Non-volatile memory elements, such as NOV-RAM, EEPROM and flash memory, are used in memorizing correlated data; specific communication protocol and program are used to store required job data on-line to special devices separately, and the device operates in standard DMX signal system.

Description

Photoelectricity addressing establishing method and realize the device of this method on the line

Technical field

The present invention relates to a kind of (On Line) on line set multiple arrangement ID method and realize the device of this method, refer to photoelectricity addressing establishing method on a kind of line especially and realize the device of this method.

Background of invention

At present, DMX-512 and DMX-1990 signal are the standard communication format of stage and light circle, none is not to use this standard design light that the whole world is main and stage setting opertaing device and controlled device, so all master control equipments and controlled device, all with a kind of language communication.

The DMX signal is the communications protocol of a unidirectional heavy separated formula, its entity interface is RS-485, all devices all are parallel on this signal wire, and obtain separately control data according to certain rule, this agreement comprises one group of synchronizing signal and 512 or above device control code, synchronizing signal comprises that an accurate position of low logic (Logic " 0 ") greater than 44us follows an accurate position of high logic (Logic " 1 ") greater than 44us, and a numerical value is zero initial data string, detail can be with reference to the normative document of DMX tissue, 512 device control codes are the asynchronous serial data of 512 standards, and its transfer rate is 250KB/S.

Because all DMX devices all are connected on one group of DMX signal wire simultaneously, therefore each controlled device just needs an ID setting apparatus and decides this device will obtain that group signal from a series of signal to use, and master control set also need according to institute wired on the ID that sets of different device decide respectively putting in order of this control signal.

The DMX signal train of standard as shown in Figure 9, synchronizing signal is by an electronegative potential greater than 44us (0) cycle (901), noble potential (1) cycle (902) and serial data (903) composition that numerical value is " 0 " greater than 44us, following 512 or above serial data 904+1～904+512 thereafter, so be a signal period, and constantly repeat.

ID on traditional DMX controlled device gives setting according to need when installing, this kind operation is necessary in the stage system of fast assembling-disassembling, install because each device is not easy assigned address in disassembly process, so the ID on it need can be changed at any time easily.

If but this device is mounted in and does not allow accessible place, as the exterior wall of buildings or do not allow easy-to-dismount place, in subsurface or pond, the mode that this kind adjusted ID at any time is just very unsuitable, because the ID possible errors that has configured, location swap in the time of also may installing, also may need revise totally because of the original design mistake causes all ID, and be installed in exterior wall as described above, generally speaking device in subsurface or the water all is not easy dismounting, and the waterproofing design of device also can cause water-proof function and lost efficacy because of heavily covering dismounting because of the quality of installation personnel or equipment deficiency, and it will have a strong impact on the stability of system.

Certainly also can develop feasible system with present digital technology replaces the DMX signal system, for example Hang network for many years (NET) technology is exactly extraordinary selection, but to make the DMX equipment in hundreds thousand of kinds in the whole world into network interface between the sunset, it probably is an impossible task, and all devices and cable system cost are significantly increased, light just in this point, the network system mode is not a desirable solution.

Summary of the invention

Our company is engaged in the research of DMX light units and made 5 years, know very well that above-mentioned disadvantages affect engineering quality and cost are very big, therefore contributed capital works out the present invention, when can installing in system, the present invention do not consider earlier the ID of individual device, after the total system installation, set the ID of each device again with control system (OnLine) on line, simultaneously can be at any time according to the ID that need adjust each device, its maximum characteristics are that total system is under the DMX signal system of the standard that can work in.

The object of the present invention is achieved like this, photoelectricity addressing establishing method on a kind of line, comprise and adopt the DMX signal wire that the DMX master control set is connected with at least one DMX controlled device, wherein the DMX master control set can be set for the DMX controlled device carries out ID, the steps include: to pre-deposit one group of IP value at each DMX controlled device; Modification standard DMX signal; The DMX controlled device receives the described DMX signal that is modified and handles; The ID value of DMX controlled device is deposited in the storer of described DMX controlled device; The IP value that the DMX signal that the DMX logical block basis of described DMX controlled device is modified can carry out each DMX controlled device writes, discerns the IP value of each DMX controlled device, the ID value of each DMX controlled device writes, reaches the IP/ID value of each DMX controlled device of verification; Wherein, each DMX controlled device can after device fabrication is finished, deposit in offline mode for pre-depositing one group of IP value; Also can before the upright circuit board of group, pre-deposit in the described non-volatile memory cell; Described modification standard DMX signal is meant the third part of synchronizing signal in the modification standard DMX signal, makes numerical value into other numerical value for the serial data of " 0 ", and gives function corresponding; The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A0H into, and this serial data is an IP write command sign, and puts into the IP value of this DMX at two serial datas subsequently; The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A2H into, and this serial data is that the IP receipts are sought the order sign; The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A1H into, this serial data is an ID write command sign, and put into the IP value of this DMX at first and second serial datas subsequently, third and fourth serial data is put into the ID value of this DMX; The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A4H into, and this serial data is an ID check order sign, and the DMX controlled device only carries out verification to the ID value; Wherein said DMX controlled device receives the described DMX signal that is modified, and handle, the ID value of DMX controlled device is deposited in the DMX logical block detecting DMX synchronizing signal that is meant in the storer of described DMX controlled device among the DMX, read first serial data simultaneously up to detecting the DMX synchronizing signal, if first serial data equals " 00 ", the DMX logical block will judge whether the content of the first and second follow-up character strings equals the ID value of DMX, equate just data to be delivered to driver to drive this DMX controlled device; If first serial data equals " A0H ", the DMX logical block just writes the content of follow-up first and second character strings in the non-volatile memory cell IP value; If first serial data equals " A1H ", the DMX logical block just writes the content of follow-up first and second serial datas non-volatile memory cell IP value of DMX controlled device, and the content of third and fourth serial data writes non-volatile memory cell ID value; If first serial data equals " A2H ", the DMX logical block will judge that whether the content of follow-up first and second serial datas equals the IP value in the DMX, determines the state of the identification light of this DMX controlled device with this; If first serial data equals " A4H ", the DMX logical block will judge whether the content of follow-up first and second serial datas is correct to determine that IP and ID set; Described IP value is a unique and value that never change; After this DMX controlled device of wherein said driving is meant and receives the DMX signal of standard by the DMX logical block, the data of being received are sent to the locking of signal door lock device, and transfer to the PWM control module and produce the corresponding work period according to the data of locking, transfer to current driver again and drive the DMX light units to produce the light that various different colours change.

Photoelectricity addressing setting device on a kind of line, it comprises a DMX master control set, at least one DMX controlled device, the DMX signal wire is connected the DMX master control set with at least one DMX controlled device, it is characterized by and set a DMX logical block and a storer in described DMX controlled device; Described DMX logical block is carried out following steps: pre-deposit one group of IP value at each DMX controlled device; Modification standard DMX signal; The DMX controlled device receives the described DMX signal that is modified and handles; The ID value of DMX controlled device is deposited in the storer of described DMX controlled device; Wherein said storer is a non-volatile memory cell, comprises EEPROM read-write logic interface and EEPROM.With each device work must ID address data deposit among the ID of each appointment, respectively this device can be in the DMX of standard signal system operate as normal.

For reaching good waterproof effect, for example device for opening is done any adjustment, on each device a non-volatile memory cell of design (for example EEPROM/FLASH MEMORY) remember this device operate need data, ID for example, cooperate microprocessor or special integrated circuit (ASIC) again, by signal wire with various operations must data write in this non-volatile memory cell, when system formally operates, data stored in this non-volatile memory cell just can be read out, and as the usefulness of device running.

Do not set as yet in the same signal wire of being installed on of ID and can be distinguished for making, therefore on each device, pre-deposit one group of IP and (be different from the DMX system identifier, and the IP on the similar network card), this IP is just deposited in when plant produced, and it will can not be modified again unless necessary, deposit the method for this group IP in, be able to purpose-made device, after device manufacturing is finished, deposit in offline mode, also can in element before group is stood on circuit board, pre-deposit in the memory.

In view of the above, the present invention can provide on line (On Line) to set the method and system device of the ID of multiple arrangement, and utilize non-volatile memory cell (NOV-RAM, EEPROM, FLASH etc.) to remember related data, communications protocol and program with special arrangements, with total system need work data can on line, (on Line) exist respectively in the individual device of appointment, and this device can be worked in the standard DMX signal system.

Description of drawings

Fig. 1 is the basic calcspar of the present invention.

Fig. 2 is for illustrating with the agreement of standard DMX signal.

Fig. 3 is a newly-increased signal agreement synoptic diagram required for the present invention.

Fig. 4 is newly-increased signal agreement required for the present invention.

Fig. 5 is newly-increased signal agreement required for the present invention.

Fig. 6 is newly-increased signal agreement required for the present invention.

Fig. 7 is a work flow calcspar of the present invention.

Fig. 8 sets simple and easy synoptic diagram for addressing on the line of the present invention.

Fig. 9 is for using standard DMX signal train synoptic diagram.

The figure number explanation

RS-485 signal 101 RS-485 signals 102

DMX signal interface 103 DMX logical blocks 104

Base generation unit 106 during EEPROM read-write logical block 105

IP/ID writes or reads EEPROM 107 signal latch unit 108R/108G/108B

PWM control module 109R/109G/109B current driver 110R/110G/110B

LED 111R/111G/111B DMX synchronizing signal third part 203

DMX synchronizing signal third part 303 DMX synchronizing signal third parts 403

IP value 404,405 ID values 406,407

DMX synchronizing signal third part 503 IP values 504,505

Light light 508 DMX synchronizing signal third parts 603

ID value 604,605 start units 701

DMX synchronizing signal 702 synchronizing signals 703

First serial data, 704 data values 705～709

Serial data 711 is distinguished door bolt 712

Relevant device 713 serial datas 721,722

EEPROM 723 serial datas 731,732

Value 733 EEPROM 734 of IP

Serial data 741,742 IP values 743

Light 744 light put out 755

DMX controlled device 802～811 DMX signal wires 801

901 signal periods 902 of signal period

Serial data 903 serial datas 904

Embodiment

As Fig. 1 is basic calcspar of the present invention, one group of DMX signal interface 103 changes into digital signal with the RS-485 signal DX+101 and the DX-102 of standard, transferring to DMX logical block 104 handles, when DMX logical block 104 receives the read write command of IP/ID, can IP/ID be write or read EEPROM107 by EEPROM read-write logical block 105, the System production time benchmark, produce by time base generation unit 106 and to supply with whole device, among Fig. 1 other partly is the circuit of a changeable colour light, in this is the usefulness that illustrates as native system, receive to normal DMX signal by DMX logical block 104, received data are sent to three signal door lock devices (Latch) 108R/108G/108B locking, and transfer to three PWM control module 109R/109G/109B and produce the corresponding work period (duty cycle) according to the data of locking and transfer to three current driver 110R/110G/110B again and promote three groups of LED111R/111G/111B to produce various change color light.

DMX logical block 104 can be made up of customized integrated circuit (ASIC), also can by one group fast microprocessor (MPU) carry out, its workflow can illustrate at Fig. 7, common engineering Shi Yiben explanation can be finished the design of this kind function, and EEPROM read-write logical block 105 also is a kind of common knowledge, therefore seldom explains at this.

Fig. 2 to Fig. 6 is agreement of standard DMX signal and newly-increased signal required for the present invention agreement, the method that the present invention adopts mainly is the synchronizing signal in the agreement of modification standard DMX signal, as shown in Figure 2, with the 3rd part 203 of the synchronizing signal in the standard DMX signal, numerical value for " 0 " and serial data make other numerical value into, and give correlation function, this modification can allow other kind DMX signal receiver avoid using the setting command of the device of this method automatically, also can allow this device after configuring, operate among being connected to the DMX system of other standard.

Fig. 3 writes agreement for IP, partly 303 made into 0A0H in this DMX synchronizing signal the 3rd, and in two serial datas subsequently, put into the IP value of this device, setting IP is necessary for off-line (Off Line) to carry out separately, the IP value is a unique and value that never change, because DMX lighting system, be a sealing and very specialized system, and be a unidirectional signal transfer system, main control equipment can't utilize replies the IP that signal is distinguished device out of the ordinary, too many IP easily allows operating personnel be difficult for differentiate each device, and therefore designing two bit groups (BYTE), to distinguish 65,536 devices are reasonably designs.

Fig. 4 is that ID writes agreement, partly 403 made into 0A1H in this DMX synchronizing signal the 3rd, and in two serial datas subsequently, put into the IP value and the 3rd of this device, put into the ID value that desire is set in 4 data Shens, when the device on wired can be when receiving this signal with IP value in the device and the IP value 404 in the train of signal, 405 comparisons, this value will be with ID value 406 subsequently if equate, among the EEPROM of 407 writing stations, the DMX system of standard need 9 BIT ID, two bit groups (BYTE) also have 7 unnecessary BIT to can be used as the usefulness of other setting of device, if system has more function to set certainly, also can be in ID value 406, add the more data string after 407, but this explanation only explains basic idea, because ID can set according to need or revise after system's installation, therefore reduced the degree of difficulty of installing greatly, all devices have all promptly been finished necessary water-proofing treatment and test in factory simultaneously, dismounting is adjusted again in installation process, so total system can guarantee to maintain best situation.

Fig. 5 and Fig. 6 are the signal agreements that the present invention sets up for the ease for use that increases system, because the DMX signal system is a kind of unidirectional transmission system, controlled device on all lines, can only passive received signal can't loopback self state, therefore when system set up finish after, unless the IP with each device notes in advance, otherwise the operator is difficult to the IP of each device of conjecture, therefore can be as shown in Figure 5, the present invention sets up the IP seek command, partly 503 made into 0A2H in this DMX synchronizing signal the 3rd, when device receives this order and IP value 504,505 with device in IP value when identical, what can make this device lights light 508, the operator will determine the IP of this device according to this thus, and and then the ID of correct this device of setting, also can detect light via electric power system in addition lights, load increases, therefore be easy to just can design an automatic IP detecting system, detect, on average each cycle about palpus 200us if send IP automatically with computer software, promptly one group of synchronizing signal adds two IP serial datas, can send 5,000 cycles one second, 65,536 IP can scan in 15 seconds and finish, so this operation is very quick.

The signal agreement of Fig. 6 is identical with Fig. 5, just DMX synchronizing signal the 3rd partly 603 becomes and is 0A4H, and the DMX device then only reacts ID value 604,605, sets up the order ground of this agreement, be after total system is finished the ID setting, utilize this agreement can confirm whether all settings are correct.

The work flow of using device of the present invention as shown in Figure 7, flow process start unit 701 is at the beginning just detected DMX synchronizing signal 702,703 N when synchronizing signal is established not yet, flow process is got back to detecting DMX synchronizing signal 702 points, when detecting the Y of synchronizing signal 703, system further reads first serial data 704, after reading, serial data just judges this data value 705～709, if first serial data: → equal " 00 ", 705 Y, system will begin to count the serial data 711 of reception, when the serial data that reads when counting equals the ID value, distinguish that door bolt 712 Y system just delivers to driver to the data that read and removes to drive relevant device 713, and return starting point 701;

→ equal " 0A0H ", 707 Y, two serial datas 721,722 that system can read are down treated as it IP and are write EEPROM723;

→ equal " 0A1H ", 707 Y, system can read four serial datas 731,732 down, compares the value 733 of first and second serial data and IP simultaneously, if identical 733 Y then writes EEPROM734 with the 3rd and the 4th serial data as ID; → equaling " 0A2H ", 708 Y system can read two serial datas 741,742 down, and relatively if the value 743 of first and second serial data and P is identical, and 743 Y then lights light 744, if difference, 743 N then puts out 745 with light;

→ equaling " 0A4H ", 709 Y system can read two serial datas 751,752 down, and compares the value 753 of first and second serial data and ID, if identical, 753 Y then lights 754 with light, if different, 753 N then puts out 755 with light.

After all device installations, just can be according to its due ID of IP correspondence of each device, (on Line) writes each device with all ID on line, it is also same when ID must change, the principle of work of this system as shown in Figure 8, many group DMX devices 802～811 are connected on the DMX signal wire 801, all pre-deposit one group of IP on each DMX device 802～811, among the figure P～Y, when system set up finish after, again by on the DMX signal wire 801, write each DMX device 802～811 with the specific communications protocol ID that will work, thus, wired last 801 DMX device just can operate as normal.

This embodiment only is used to illustrate the present invention, but not is used to limit the present invention.

Claims

1, photoelectricity addressing establishing method on a kind of line comprises: adopt the DMX signal wire that the DMX master control set is connected with at least one DMX controlled device, it is characterized in that, the DMX master control set can be set for the DMX controlled device carries out ID, the steps include:

Pre-deposit one group of IP value at each DMX controlled device;

Modification standard DMX signal;

The DMX controlled device receives the described DMX signal that is modified and handles;

The ID value of DMX controlled device is deposited in the storer of described DMX controlled device.

2, method according to claim 1, it is characterized in that described DMX controlled device receives the described DMX signal that is modified and handles and is meant: the IP value that the DMX signal that the DMX logical block basis of described DMX controlled device is modified can carry out each DMX controlled device writes, discerns the IP value of each DMX controlled device, the ID value of each DMX controlled device writes, reaches the IP/ID value of each DMX controlled device of verification.

3, method according to claim 1 is characterized in that, describedly can deposit in offline mode after device manufacturing is finished for each DMX controlled device pre-deposits one group of IP value; Also can before the upright circuit board of group, pre-deposit in the described non-volatile memory cell.

4, method according to claim 1 is characterized in that, described modification standard DMX signal is meant the third part of synchronizing signal in the modification standard DMX signal, makes numerical value into other numerical value for the serial data of " 0 ", and gives function corresponding.

5, method according to claim 4, it is characterized in that, the serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A0H into, and this serial data is an IP write command sign, and puts into the IP value of this DMX controlled device at two serial datas subsequently;

The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A2H into, and this serial data is that the IP receipts are sought the order sign;

The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A1H into, this serial data is an ID write command sign, and put into the IP value of this DMX controlled device at first and second serial datas subsequently, third and fourth serial data is put into the ID value of this DMX controlled device;

The serial data that can be " 0 " with the third part numerical value of synchronizing signal in the standard DMX signal makes 0A4H into, and this serial data is an ID check order sign, and the DMX controlled device only carries out verification to the ID value.

6, method according to claim 1 and 2, it is characterized in that, described DMX controlled device receives the described DMX signal that is modified and handles, the ID value of DMX controlled device is deposited in the DMX logical block detecting DMX synchronizing signal that is meant in the storer of described DMX controlled device in the DMX controlled device, read first serial data simultaneously up to detecting the DMX synchronizing signal

If first serial data equals " 00 ", the DMX logical block will judge whether the content of the first and second follow-up serial datas equals the ID value of DMX controlled device, equate just data to be delivered to driver to drive this DMX controlled device;

If first serial data equals " A0H ", the DMX logical block just writes the content of follow-up first and second serial datas in the non-volatile memory cell IP value;

If first serial data equals " A1H ", the DMX logical block just writes non-volatile memory cell IP value with the content of follow-up first and second serial datas, and the content of third and fourth serial data writes non-volatile memory cell ID value;

If first serial data equals " A2H ", the DMX logical block will judge that whether the content of follow-up first and second serial datas equals the IP value in the DMX controlled device, determines the state of the identification light of this DMX controlled device with this;

If first serial data equals " A4H ", the DMX logical block will judge whether correct the content of follow-up first and second serial datas is set with IP and the ID that determines the DMX controlled device.

According to the arbitrary described method of claim 1 to 6, it is characterized in that 7, described IP value is a unique and value that never change.

8, method according to claim 6, it is characterized in that, after this DMX controlled device of described driving is meant and receives the DMX signal of standard by the DMX logical block, the data of being received are sent to the locking of signal door lock device, and transfer to the PWM control module and produce the corresponding work period according to the data of locking, transfer to current driver again and drive the DMX lighting fixture to produce the light that various different colours change.

9, photoelectricity addressing setting device on a kind of line, comprise: a DMX master control set, at least one DMX controlled device, the DMX signal wire is connected the DMX master control set with at least one DMX controlled device, it is characterized in that, in described DMX controlled device, set a DMX logical block and a storer; Described DMX logical block is carried out following steps:

Pre-deposit one group of IP value at each DMX controlled device;

Modification standard DMX signal;

10, photoelectricity addressing setting device on the line according to claim 9 is characterized in that described storer is a non-volatile memory cell, comprises EEPROM read-write logic interface and EEPROM.