CN103345238B - Voltage output circuit with configurable network - Google Patents
Voltage output circuit with configurable network Download PDFInfo
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- CN103345238B CN103345238B CN201310325878.8A CN201310325878A CN103345238B CN 103345238 B CN103345238 B CN 103345238B CN 201310325878 A CN201310325878 A CN 201310325878A CN 103345238 B CN103345238 B CN 103345238B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Voltage output circuit with configurable network, belongs to electronic circuit technology field.Solve existing voltage follower circuit and cannot realize the problem that remote debugging and deploy content cannot carry out remotely modifying.The data input/output terminal of the data input/output terminal interconnection network control circuit of network interface of the present invention, two number input/output terminals of network control circuit connect the data input/output terminal of single chip circuit, two number input/output terminals of single chip circuit connect FPGA control circuit data input/output terminal, the address signal output terminal of single chip circuit connects the address signal input end of FPGA control circuit, the write signal output terminal of single chip circuit connects FPGA control circuit write signal input end, the voltage control signal of FPGA control circuit exports the voltage control signal being connected voltage follower circuit with voltage signal inputs and inputs and voltage signal output end.The present invention is applicable to electronic circuit technology field.
Description
Technical field
The invention belongs to electronic circuit technology field.
Background technology
Universalization is as the development trend of modular design, and one of them of its gordian technique is exactly the application of networking technology.Take the Internet as be combineding with each other of the appearance of the network technology of representative and it and other high and new technologies, not only oneself starts to bring intelligent Web product into the modern life, and bringing unprecedented development space and opportunity for measuring with technical device, networking measuring technique is arisen at the historic moment with the equipment possessing network function.The application of networking technology substantially increases the dirigibility that equipment controls, but existing voltage follower circuit can not carry out remote debugging and deploy content cannot the problem of remotely modifying.
Summary of the invention
The present invention in order to solve existing voltage follower circuit cannot realize remote debugging and deploy content cannot the problem of remotely modifying, propose a kind of voltage output circuit with configurable network.
Voltage output circuit with configurable network of the present invention, this circuit comprises network interface, network control circuit, single chip circuit, FPGA control circuit, external memory storage and voltage follower circuit;
The data input/output terminal of the data input/output terminal interconnection network control circuit of network interface, two number input/output terminals of network control circuit connect the data input/output terminal of single chip circuit, two number input/output terminals of single chip circuit connect FPGA control circuit data input/output terminal, the address signal output terminal on monolithic road connects the address signal input end of FPGA control circuit, the write signal output terminal of single chip circuit connects FPGA control circuit write signal input end, the read signal output terminal of single chip circuit connects the read signal input end of FPGA control circuit, the voltage control signal of FPGA control circuit exports the voltage control signal being connected voltage follower circuit with voltage signal inputs and inputs and voltage signal output end, the present invention carries out the transmission of control information through network interface, then through single chip circuit and FPGA control circuit, realizes the control to voltage follower circuit output voltage, finally realizes the Long-distance Control of output voltage and the remotely modifying of deploy content
Accompanying drawing explanation
Fig. 1 is the structural representation of voltage output circuit with configurable network of the present invention;
Fig. 2 is state machine redirect schematic diagram described in embodiment three;
Fig. 3 is the structural representation of the FPGA control circuit described in embodiment two.
Embodiment
Embodiment one, composition graphs 1 illustrate present embodiment, voltage output circuit with configurable network described in present embodiment, and this circuit comprises network interface 1, network control circuit 2, single chip circuit 3, FPGA control circuit 4 and voltage follower circuit 6;
The data input/output terminal of the data input/output terminal interconnection network control circuit 2 of network interface 1, two number input/output terminals of network control circuit 2 connect the data input/output terminal of single chip circuit 3, two number input/output terminals of single chip circuit 3 connect FPGA control circuit 4 data input/output terminal, the address signal output terminal of single chip circuit 3 connects the address signal input end of FPGA control circuit 4, the write signal output terminal of single chip circuit 3 connects FPGA control circuit 4 write signal input end, the read signal output terminal of single chip circuit 3 connects the read signal input end of FPGA control circuit 4, the voltage control signal of FPGA control circuit 4 exports the voltage control signal being connected voltage follower circuit 6 with voltage signal output end and inputs and voltage signal inputs.
Circuit debugging described in present embodiment is convenient, and only need a netting twine to be connected with personal computer and can to complete, user can control and functional configuration circuit easily.
Embodiment two, composition graphs 2 illustrate present embodiment, and present embodiment is further illustrating the voltage output circuit with configurable network that embodiment one is stated, and FPGA control circuit 4 is made up of decoding module and DAC control module;
Two number input/output terminals of single chip circuit 3 connect decoding module 4-1 data input/output terminal, the address signal output terminal of single chip circuit 3 connects the address signal input end of decoding module 4-1, the write signal output terminal of single chip circuit 3 connects decoding module (4-1) write signal input end, the read signal output terminal of single chip circuit 3 connects the read signal input end of decoding module 4-1, and the decoded signal of decoding module 4-1 exports the decoded signal being connected DAC control module 4-2 with coded signal input end and inputs and coded signal output terminal, the data select signal output terminal of DAC control module 4-2 connects the data select signal input end of voltage follower circuit 6, the serial data output terminal of DAC control module 4-2 connects the serial data input of voltage follower circuit 6, the renewal voltage channel signal output part of DAC control module 4-2 connects the renewal voltage channel signal input part of voltage follower circuit 6, the loading DAC cache register signal output part of DAC control module 4-2 connects the loading DAC cache register signal input part of voltage follower circuit 6, the enable signal output terminal of DAC control module 4-2 connects the enable signal input end of voltage follower circuit 6, the concrete channel number signal output part of DAC control module 4-2 connects the concrete channel number signal input part of voltage follower circuit 6, the selector channel signal output part of DAC control module 4-2 connects voltage follower circuit 6 selector channel signal input part.
FPGA, by data line DATA, address wire ADDR, read-write control line RD and WR, carries out data interaction with single chip circuit.Single chip circuit is responsible for receiving and send network data in address wire, data on data line, according to the address signal of input, when write signal is effective, are stored in configuration register by decoding logic, in like manner, according to address and read signal, the data in configuration register are delivered to single chip circuit.
Embodiment three, present embodiment are further illustrating the voltage output circuit with configurable network described in embodiment two, this circuit also comprises the read-write end of the external data signal input/output terminal end connection external memory storage 5 of external memory storage 5, FPGA control circuit 4.
The network data that single chip circuit extracts, by decoding logic, is carried out functional configuration, configuration information is stored into external memory storage by FPGA control circuit, and control simulation voltage exports.
Embodiment four, composition graphs 3 illustrate present embodiment, present embodiment is further illustrating the voltage output circuit with configurable network described in embodiment two, DAC control module 4-2 adopts the redirect of state machine to realize logic control, and described state machine comprises 4 states: idle condition, selection mode, state of a control machine and parallelly turn serial presence; Idle condition, resets to DAC control module 4-2, when beginning switching signal Startflag==1 & & Start==1 being detected, jumps to data selection state;
Data selection state, the voltage channel that data selection state obtains according to decoding module 4-1 decoding selects signal, selects voltage channel number, and when the concrete channel number of detection has been selected, state machine jumps to walk abreast and turns serial presence;
Walk abreast and turn serial presence, parallel data is converted to Serial output, and after detecting that Serial output completes, state machine jumps to state of a control;
State of a control, output voltage passage update signal and loading DAC cache register signal, change output channel number, after all passages of detection export complete order Start==0, state machine jumps to idle condition, otherwise jumps to data selection state.
Embodiment five, present embodiment are further illustrating the voltage output circuit with configurable network described in embodiment one, and single chip circuit 3 adopts AVR single chip circuit ATmega128 to realize.
Embodiment six, present embodiment are further illustrating the voltage output circuit with configurable network described in embodiment one, and network control circuit 2 adopts W5100 chip to realize.
Network control circuit uses W5100 can realize transmission and the extraction of the Internet protocol data, namely realizes ICP/IP protocol; Single chip circuit is responsible for the data buffer of network data from W5100 to read, and sends to FPGA, also data can be sent to external network by W5100 simultaneously.
The communication of single chip circuit and W5100 uses the SPI Interface realization of single chip circuit, first each port of initialization after single chip circuit starts, comprise SPI interface, then by the register of configuration W5100 chip, comprise the information such as the physical address of equipment, default gateway, subnet mask, for realizing the physical connection of the network equipment.
The data interaction of single chip circuit and FPGA uses eight bit data line, address wire, and read-write control signal line, by FPGA control circuit to the data interaction of bus realization of decoding.Except bus decoding logic, FPGA control circuit also comprises external memory storage steering logic and voltage output control logic.
Single-chip microcomputer powers up rear initialization single-chip microcomputer, by control SPI interface initialization W5100 chip, comprise physical address, gateway, subnet mask, the setting of IP address, and the Socket used is arranged.Then by judging W5100 interrupt register internal interrupt type, single-chip microcomputer performs corresponding operation.
Claims (5)
1. voltage output circuit with configurable network, this circuit comprises network interface (1), network control circuit (2), single chip circuit (3), FPGA control circuit (4) and voltage follower circuit (6);
The data input/output terminal of data input/output terminal interconnection network control circuit (2) of network interface (1), two number input/output terminals of network control circuit (2) connect the data input/output terminal of single chip circuit (3), two number input/output terminals of single chip circuit (3) connect FPGA control circuit (4) data input/output terminal, the address signal output terminal of single chip circuit (3) connects the address signal input end of FPGA control circuit (4), the write signal output terminal of single chip circuit (3) connects FPGA control circuit (4) write signal input end, the read signal output terminal of single chip circuit (3) connects the read signal input end of FPGA control circuit (4), the voltage control signal of FPGA control circuit (4) exports the voltage control signal being connected voltage follower circuit (6) with voltage signal output end and inputs and voltage signal inputs,
It is characterized in that, FPGA control circuit (4) is made up of decoding module (4-1) and DAC control module (4-2), two number input/output terminals of single chip circuit (3) connect decoding module (4-1) data input/output terminal, the address signal output terminal of single chip circuit (3) connects the address signal input end of decoding module (4-1), the write signal output terminal of single chip circuit (3) connects decoding module (4-1) write signal input end, the read signal output terminal of single chip circuit (3) connects the read signal input end of decoding module (4-1), the decoded signal of decoding module (4-1) exports the decoded signal being connected DAC control module (4-2) with coded signal input end and inputs and coded signal output terminal, the data select signal output terminal of DAC control module (4-2) connects the data select signal input end of voltage follower circuit (6), the serial data output terminal of DAC control module (4-2) connects the serial data input of voltage follower circuit (6), the renewal voltage channel signal output part of DAC control module (4-2) connects the renewal voltage channel signal input part of voltage follower circuit (6), the loading DAC cache register signal output part of DAC control module (4-2) connects the loading DAC cache register signal input part of voltage follower circuit (6), the enable signal output terminal of DAC control module (4-2) connects the enable signal input end of voltage follower circuit (6), the concrete channel number signal output part of DAC control module (4-2) connects the concrete channel number signal input part of voltage follower circuit (6), the selector channel signal output part of DAC control module (4-2) connects voltage follower circuit (6) selector channel signal input part.
2. voltage output circuit with configurable network according to claim 1, it is characterized in that, described voltage follower circuit also comprises external memory storage (5), and the external data signal input/output terminal of FPGA control circuit (4) connects the read-write end of external memory storage (5).
3. voltage output circuit with configurable network according to claim 2, it is characterized in that, DAC control module adopts the redirect of state machine to realize logic control, and described state machine comprises 4 states: idle condition, selection mode, state of a control machine and parallelly turn serial presence;
Idle condition, resets to DAC control module, when beginning switching signal Startflag==1 & & Start==1 being detected, jumps to data selection state;
Data selection state, the voltage channel that data selection state obtains according to decoding module decoding selects signal, selects voltage channel number, and when the concrete channel number of detection has been selected, state machine jumps to walk abreast and turns serial presence;
Walk abreast and turn serial presence, parallel data is converted to Serial output, and after detecting that Serial output completes, state machine jumps to state of a control;
State of a control, output voltage passage update signal and loading DAC cache register signal, change output channel number, after all passages of detection export complete order Strart==0, state machine jumps to idle condition, otherwise jumps to data selection state.
4. voltage output circuit with configurable network according to claim 1, is characterized in that, single chip circuit (3) adopts AVR single chip ATmega128 to realize.
5. voltage output circuit with configurable network according to claim 1, is characterized in that, network control circuit (2) adopts W5100 chip to realize.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310325878.8A CN103345238B (en) | 2013-07-31 | 2013-07-31 | Voltage output circuit with configurable network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310325878.8A CN103345238B (en) | 2013-07-31 | 2013-07-31 | Voltage output circuit with configurable network |
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| CN103345238A CN103345238A (en) | 2013-10-09 |
| CN103345238B true CN103345238B (en) | 2015-08-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1233328A2 (en) * | 2001-02-16 | 2002-08-21 | Nallatech, Ltd. | Programmable power supply for field programmable gate array modules |
| CN101957410A (en) * | 2010-09-03 | 2011-01-26 | 尹东山 | Personal laboratory system integrating device |
| CN201837866U (en) * | 2010-10-09 | 2011-05-18 | 无锡市同舟电子实业有限公司 | Modular power source capable of adjusting voltage output |
| CN102346464A (en) * | 2011-06-14 | 2012-02-08 | 武汉科技大学 | 0-20mA or 4-20mA direct current analog quantity output device |
| CN203025276U (en) * | 2012-12-28 | 2013-06-26 | 江长海 | Tester of capacitive touch screen module |
-
2013
- 2013-07-31 CN CN201310325878.8A patent/CN103345238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1233328A2 (en) * | 2001-02-16 | 2002-08-21 | Nallatech, Ltd. | Programmable power supply for field programmable gate array modules |
| CN101957410A (en) * | 2010-09-03 | 2011-01-26 | 尹东山 | Personal laboratory system integrating device |
| CN201837866U (en) * | 2010-10-09 | 2011-05-18 | 无锡市同舟电子实业有限公司 | Modular power source capable of adjusting voltage output |
| CN102346464A (en) * | 2011-06-14 | 2012-02-08 | 武汉科技大学 | 0-20mA or 4-20mA direct current analog quantity output device |
| CN203025276U (en) * | 2012-12-28 | 2013-06-26 | 江长海 | Tester of capacitive touch screen module |
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