CN103036873A - Protocol conversion device for space bus and 1553B bus - Google Patents
Protocol conversion device for space bus and 1553B bus Download PDFInfo
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- CN103036873A CN103036873A CN2012104961757A CN201210496175A CN103036873A CN 103036873 A CN103036873 A CN 103036873A CN 2012104961757 A CN2012104961757 A CN 2012104961757A CN 201210496175 A CN201210496175 A CN 201210496175A CN 103036873 A CN103036873 A CN 103036873A
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Abstract
The invention discloses a protocol conversion device for a space bus and a 1553B bus. The protocol conversion device for the space bus and the 1553B bus comprises an isolation transformer (1), a 1553B bus bridge connection chip (2), a field programmable gata array (FPGA) programmable logic controller (3), a storage A (4) and a storage B (5). Data received by the space bus are cached by the storage A (4) and the storage B (5), and then the data are transmitted to the 1553B bus directly, similarly after the data received by 1553B bus are cached by storage A (4) and storage B (5), the data can be also transmitted to the space bus directly, so that the compatibility of the devices of the space bus and the 1553B bus in different systems is achieved. The protocol conversion device for the space bus and the 1553B bus is small in size, light in weight, high in reliability and can be widely used in the fields of aviation, spaceflight and the like. The protocol conversion device for the space bus and the 1553B bus also can be used for the field of ground test, is used as a universal bus translator, and has very high practical value.
Description
Technical field
The present invention relates to a kind of bus protocol conversion equipment, particularly the protocol conversion apparatus of a kind of space bus and 1553B bus.
Background technology
Bus is aerospace field control commonly used, number biography means.Such as, in the spaceborne radar system, main equipment sends control command by above-mentioned bus to subset, read status information, and the transmission of data, and then guarantee the radar system steady operation.The space bus is a kind of novel universal serial bus in the aerospace field, possesses the characteristics such as transmission rate height, power consumption is little, the error rate is low, and has begun to be applied in the spaceborne radar system.
Because bus protocol is different, the equipment of other bus interface can't be applied directly in the middle of the system of space bus.Present bus protocol conversion equipment has the protocol converter of space bus and CAN bus, comprising: central processing unit, CAN bus control unit, FPGA programmable logic controller (PLC).Its defective is that equipment can only finish the protocol conversion of space bus and CAN bus, can not realize the protocol conversion of space bus and 1553B bus.
Summary of the invention
The object of the present invention is to provide the bus protocol conversion equipment of a kind of space bus and 1553B bus, solve the problem that bus protocol conversion equipment in the past can't be finished space bus and the conversion of 1553B bus protocol.
The protocol conversion apparatus of a kind of space bus and 1553B bus, comprise: isolating transformer, 1553B bus bridge chip, memory A, memory B, FPGA programmable logic controller (PLC), wherein, the FPGA programmable logic controller (PLC) comprises: bridging chip interface module, memory control module A, memory control module B, space bus interface module.
Isolating transformer is the external interface of the protocol conversion apparatus of whole space bus and 1553B bus; Outside 1553B bus is connected isolating transformer and two-way connection of 1553B bus bridge chip with isolating transformer is two-way; The data terminal of 1553B bus bridge chip, control end are held two-way the connection with the I/O of FPGA programmable logic controller (PLC); The I/O address output of FPGA programmable logic controller (PLC) is connected with the address input end of 1553B bus bridge chip; The data terminal of memory A is held two-way the connection with the I/O of FPGA programmable logic controller (PLC); The data terminal of memory B is held two-way the connection with the I/O of FPGA programmable logic controller (PLC); I/O end and outside two-way connection of space bus of FPGA programmable logic controller (PLC).
In the FPGA programmable logic controller (PLC), the bridging chip interface module is used for finishing initial configuration, the exchanges data of 1553B bus bridge chip, and carries out exchanges data with memory control module A, memory control module B; Memory control module A is the data channel of space bus interface module receiving terminal and bridging chip interface module transmitting terminal, and carries out exchanges data with memory A; Memory control module B is the data channel of bridging chip interface module receiving terminal and space bus interface module transmitting terminal, and carries out exchanges data with memory B; The space bus interface module is used for carrying out interconnected and exchanges data with the space bus.
When the protocol conversion apparatus of space bus and 1553B bus is worked, after the FPGA programmable logic controller (PLC) normal power-up, the bridging chip interface module is the remote terminal pattern with 1553B bus bridge chip initiation, it is the RT pattern, and connecting the 1553B bus, the space bus interface module connects outside space bus simultaneously.
After 1553B bus and the simultaneously normal connection of space bus, protocol conversion apparatus begins to carry out protocol conversion work.When the space bus interface module received the data that the space bus issues, the space bus interface module was converted to parallel data with serial data, and sends to memory control module A by the receiving terminal of space bus interface module.After memory control module A is data cached with writing data into memory A, data are read from memory A, send to the bridging chip interface module.The bridging chip interface module sends the data to 1553B bus bridge chip again.Data after will changing by isolating transformer data are finished protocol conversion in 1553B bus bridge chip after send to the 1553B bus.When 1553B bus bridge chip received the 1553B bus data, 1553B bus bridge chip was converted to parallel data with serial data, sends to the bridging chip interface module again.The bridging chip interface module sends the data to memory control module B.After memory control module B is data cached with writing data into memory B, data are read from memory B, send to the space bus interface module.Data are finished protocol conversion in the space bus interface module after, send to outside space bus.
The present invention can be used for finishing the protocol conversion between space bus and the 1553B bus, and then in different system, realize the compatibility of space bus and 1553B bus apparatus, can be widely used in the fields such as Aeronautics and Astronautics, and can be applied to the ground test field equally, use as general bus converter.
Description of drawings
The structural representation of the protocol conversion apparatus of a kind of space bus of Fig. 1 and 1553B bus;
The FPGA programmable logic controller (PLC) schematic diagram of the protocol conversion apparatus of a kind of space bus of Fig. 2 and 1553B bus.
1. isolating transformer 2. 1553B bus bridge chip 3.FPGA programmable logic controller (PLC)s 4. memory A 5. memory B 6. bridging chip interface modules 7. memory control module A 8. memory control module B 9. space bus interface modules.
Embodiment
The protocol conversion apparatus of a kind of space bus and 1553B bus, comprise: isolating transformer 1,1553B bus bridge chip 2, memory A4, memory B5, FPGA programmable logic controller (PLC) 3, wherein, FPGA programmable logic controller (PLC) 3 comprises: bridging chip interface module 6, memory control module A7, memory control module B8, space bus interface module 9.
Isolating transformer 1 is the external interface of the protocol conversion apparatus of whole space bus and 1553B bus; Outside 1553B bus and 1 two-way connection of isolating transformer, isolating transformer 1 and 2 two-way connections of 1553B bus bridge chip; The data terminal of 1553B bus bridge chip 2, control end are held two-way the connection with the I/O of FPGA programmable logic controller (PLC) 3; The I/O address output of FPGA programmable logic controller (PLC) 3 is connected with the address input end of 1553B bus bridge chip 2; The data terminal of memory A4 is held two-way the connection with the I/O of FPGA programmable logic controller (PLC) 3; The data terminal of memory B5 is held two-way the connection with the I/O of FPGA programmable logic controller (PLC) 3; I/O end and outside two-way connection of space bus of FPGA programmable logic controller (PLC) 3.
In FPGA programmable logic controller (PLC) 3, bridging chip interface module 6 is used for finishing initial configuration, the exchanges data of 1553B bus bridge chip 2, and carries out exchanges data with memory control module A7, memory control module B8; Memory control module A7 is the data channel of space bus interface module 9 receiving terminals and bridging chip interface module 6 transmitting terminals, and carries out exchanges data with memory A4; Memory control module B8 is the data channel of bridging chip interface module 6 receiving terminals and space bus interface module 9 transmitting terminals, and carries out exchanges data with memory B5; Space bus interface module 9 is used for carrying out interconnected and exchanges data with the space bus.
When the protocol conversion apparatus of space bus and 1553B bus is worked, after FPGA programmable logic controller (PLC) 3 normal power-up, bridging chip interface module 6 is initialized as the remote terminal pattern with 1553B bus bridge chip 2, it is the RT pattern, and connecting the 1553B bus, space bus interface module 9 connects outside space bus simultaneously.
After 1553B bus and the simultaneously normal connection of space bus, protocol conversion apparatus begins to carry out protocol conversion work.When space bus interface module 9 received the data that the space bus issues, space bus interface module 9 was converted to parallel data with serial data, and sends to memory control module A7 by the receiving terminal of space bus interface module 9.After memory control module A7 is data cached with writing data into memory A4, data are read from memory A4, send to bridging chip interface module 6.Bridging chip interface module 6 sends the data to 1553B bus bridge chip 2 again.Data after will changing by isolating transformer 1 data are finished protocol conversion in 1553B bus bridge chip 2 after send to the 1553B bus.When 1553B bus bridge chip 2 received the 1553B bus data, 1553B bus bridge chip 2 was converted to parallel data with serial data, sends to bridging chip interface module 6 again.Bridging chip interface module 6 sends the data to memory control module B8.After memory control module B8 is data cached with writing data into memory B5, data are read from memory B5, send to space bus interface module 9.Data are finished protocol conversion in space bus interface module 9 after, send to outside space bus.
Claims (1)
1. the protocol conversion apparatus of a space bus and 1553B bus, it is characterized in that comprising: isolating transformer (1), 1553B bus bridge chip (2), memory A(4), memory B(5), FPGA programmable logic controller (PLC) (3), wherein, FPGA programmable logic controller (PLC) (3) comprising: bridging chip interface module (6), memory control module A(7), memory control module B(8), space bus interface module (9);
Isolating transformer (1) is the external interface of the protocol conversion apparatus of whole space bus and 1553B bus; Outside 1553B bus and two-way connection of isolating transformer (1), isolating transformer (1) and two-way connection of 1553B bus bridge chip (2); The data terminal of 1553B bus bridge chip (2), control end are held two-way the connection with the I/O of FPGA programmable logic controller (PLC) (3); The I/O address output of FPGA programmable logic controller (PLC) (3) is connected with the address input end of 1553B bus bridge chip (2); Memory A(4) data terminal is held two-way the connection with the I/O of FPGA programmable logic controller (PLC) (3); Memory B(5) data terminal is held two-way the connection with the I/O of FPGA programmable logic controller (PLC) (3); I/O end and outside two-way connection of space bus of FPGA programmable logic controller (PLC) (3);
In FPGA programmable logic controller (PLC) (3), bridging chip interface module (6) is used for finishing initial configuration, the exchanges data of 1553B bus bridge chip (2), and with memory control module A(7), memory control module B(8) carry out exchanges data; Memory control module A(7) be the data channel of space bus interface module (9) receiving terminal and bridging chip interface module (6) transmitting terminal, and with memory A(4) carry out exchanges data; Memory control module B(8) be the data channel of bridging chip interface module (6) receiving terminal and space bus interface module (9) transmitting terminal, and with memory B(5) carry out exchanges data; Space bus interface module (9) is used for carrying out interconnected and exchanges data with the space bus;
When the protocol conversion apparatus of space bus and 1553B bus is worked, after FPGA programmable logic controller (PLC) (3) normal power-up, bridging chip interface module (6) is initialized as the remote terminal pattern with 1553B bus bridge chip (2), it is the RT pattern, and connecting the 1553B bus, space bus interface module (9) connects outside space bus simultaneously;
After 1553B bus and the simultaneously normal connection of space bus, protocol conversion apparatus begins to carry out protocol conversion work; When space bus interface module (9) received the data that the space bus issues, space bus interface module (9) was converted to parallel data with serial data, and sends to memory control module A(7 by the receiving terminal of space bus interface module (9)); Memory control module A(7) with writing data into memory A(4) data cached after, with data from memory A(4) read, send to bridging chip interface module (6); Bridging chip interface module (6) sends the data to 1553B bus bridge chip (2) again; Data after will changing by isolating transformer (1) data are finished protocol conversion in 1553B bus bridge chip (2) after send to the 1553B bus; When 1553B bus bridge chip (2) received the 1553B bus data, 1553B bus bridge chip (2) was converted to parallel data with serial data, sent to bridging chip interface module (6) again; Bridging chip interface module (6) sends the data to memory control module B(8); Memory control module B(8) with writing data into memory B(5) data cached after, with data from memory B(5) read, send to space bus interface module (9); Data are finished protocol conversion in space bus interface module (9) after, send to outside space bus.
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Cited By (9)
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| CN103218339A (en) * | 2013-04-24 | 2013-07-24 | 中国科学院空间科学与应用研究中心 | Communication switching system and control method of 1553B bus and RS485 bus |
| CN103530263A (en) * | 2013-10-11 | 2014-01-22 | 上海航天测控通信研究所 | 1553B remote terminal device based on FPGA / MCU structure |
| CN103580975A (en) * | 2013-11-22 | 2014-02-12 | 北京机械设备研究所 | On-line reconfigurable generalized bus data conversion method |
| CN104008082A (en) * | 2013-12-31 | 2014-08-27 | 西南技术物理研究所 | Converter of 1553B bus remote terminal (RT) node and controller area network (CAN) bus |
| CN104536858A (en) * | 2015-01-04 | 2015-04-22 | 中国科学院光电技术研究所 | Automated remote terminal and 1553 B bus communication test method |
| CN104794090A (en) * | 2014-01-22 | 2015-07-22 | 北京浩正泰吉科技有限公司 | Remote terminal module |
| CN106209519A (en) * | 2016-08-12 | 2016-12-07 | 上海卫星工程研究所 | Rule-based 1553B bus system method of testing able to programme |
| CN106789492A (en) * | 2016-08-31 | 2017-05-31 | 西安飞行自动控制研究所 | A kind of data transmission method for uplink of isolated actuator controlling bus and a kind of data receiver method of isolated actuator controlling bus |
| CN109656263A (en) * | 2017-10-11 | 2019-04-19 | 江西洪都航空工业集团有限责任公司 | A kind of engine parameter modification method |
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Cited By (12)
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| CN103218339A (en) * | 2013-04-24 | 2013-07-24 | 中国科学院空间科学与应用研究中心 | Communication switching system and control method of 1553B bus and RS485 bus |
| CN103218339B (en) * | 2013-04-24 | 2016-01-20 | 中国科学院空间科学与应用研究中心 | The communication switching system of a kind of 1553B bus and RS485 bus and control method |
| CN103530263A (en) * | 2013-10-11 | 2014-01-22 | 上海航天测控通信研究所 | 1553B remote terminal device based on FPGA / MCU structure |
| CN103530263B (en) * | 2013-10-11 | 2016-06-01 | 上海航天测控通信研究所 | Based on the 1553B remote terminal device of FPGA/MCU structure |
| CN103580975A (en) * | 2013-11-22 | 2014-02-12 | 北京机械设备研究所 | On-line reconfigurable generalized bus data conversion method |
| CN104008082A (en) * | 2013-12-31 | 2014-08-27 | 西南技术物理研究所 | Converter of 1553B bus remote terminal (RT) node and controller area network (CAN) bus |
| CN104794090A (en) * | 2014-01-22 | 2015-07-22 | 北京浩正泰吉科技有限公司 | Remote terminal module |
| CN104536858A (en) * | 2015-01-04 | 2015-04-22 | 中国科学院光电技术研究所 | Automated remote terminal and 1553 B bus communication test method |
| CN104536858B (en) * | 2015-01-04 | 2017-10-20 | 中国科学院光电技术研究所 | For the method for 1553B bus communication remote terminal automatic tests |
| CN106209519A (en) * | 2016-08-12 | 2016-12-07 | 上海卫星工程研究所 | Rule-based 1553B bus system method of testing able to programme |
| CN106789492A (en) * | 2016-08-31 | 2017-05-31 | 西安飞行自动控制研究所 | A kind of data transmission method for uplink of isolated actuator controlling bus and a kind of data receiver method of isolated actuator controlling bus |
| CN109656263A (en) * | 2017-10-11 | 2019-04-19 | 江西洪都航空工业集团有限责任公司 | A kind of engine parameter modification method |
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Application publication date: 20130410 |