CN103106160A - Airborne environment serial advanced technology attachment (STAT) bus storage control system and control method thereof - Google Patents
Airborne environment serial advanced technology attachment (STAT) bus storage control system and control method thereof Download PDFInfo
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- CN103106160A CN103106160A CN2013100369098A CN201310036909A CN103106160A CN 103106160 A CN103106160 A CN 103106160A CN 2013100369098 A CN2013100369098 A CN 2013100369098A CN 201310036909 A CN201310036909 A CN 201310036909A CN 103106160 A CN103106160 A CN 103106160A
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Abstract
The invention discloses an airborne environment serial advanced technology attachment (STAT) bus storage control system and a control method of the airborne environment STAT bus storage control system. The system comprises a communication interface module, a cache module, a control module, a processing module, a SATA controller, a photoelectric sensor, a power module and a storage medium. The communication interface module provides an interface for connection with a host computer. The cache module is used for receiving and storing data to be read in temporally and informs the host computer of the read-in data through the communication interface module. The control module is used for logic control, processing signals of the photoelectric sensor and informing the host computer to operate correspondingly, and controlling the power module to conduct power management of the storage medium. The processing module is used for data package transportation and computing processing, and storing the processing core for the SATA bus. The SATA controller is used for integrating a SATA bus protocol and conducting SATA bus connection and communication through the storage medium. The airborne environment STAT bus storage control system and the control method of the airborne environment STAT bus storage control system are safe and reliable in data storage and usage.
Description
Technical field
The present invention relates to a kind of storage control technology, particularly relate to a kind of airborne circumstance SATA bus storage control system and control method thereof.
Background technology
The SATA agreement is the SATA standard that international serial ATA organizes SATA-IO to formulate.Its Main Feature has:
(1) transmission speed is fast, and the transfer rate of SATA1.0 is 1.5Gbps, and the transfer rate of SATA2.5 is 3.0Gbps;
(2) cable widths reduces length increases, and width reduces to 7 pins by 40/80 pin of IDE, and length is increased to 1 meter by 18 inches;
(3) support hot plug;
(4) improved the degree of accuracy of data transmission, SATA has improved the fluffing check of CRC to data, order and state bag, improves the accuracy of data transmission;
(5) adopt Low Voltage Differential Signal, sending-end voltage is poor is 400～600mV, and receiving-end voltage is poor is 325～600mV, more much lower than the 5V signal voltage of PATA, effectively reduces electromagnetic interference (EMI) and the power consumption of SATA transmission line;
(6) support command queue (NQC) at full speed, improve hard disk internal data transfer speed;
(7) SATA adopts point-to-point structure, reduces the risk of makeing mistakes.
The SATA bus is used embedded clock signal, adopts 4 signal wires to add 3 ground wires at interval, altogether needs 7 data lines, and very large limit reduces signal reflex, crosstalk and the problem such as skew.SATA adopts four-layer structure: application layer, transport layer, link layer and Physical layer.Application layer is responsible for whole ata commands and is carried out, and comprises the access of control command block register.Transport layer is responsible for placing control information and the data that are transmitted.Link layer is responsible for extracting data from structure, and inserts control information, completes the 8B/10B encoding and decoding, and data are reached Physical layer.Physical layer is transmitted coded data on serial data line.
Generally speaking, use commercial standard (CS) connector and connecting line in the connection of SATA, but for airborne circumstance, common commercial connector can not satisfy environmental requirement, therefore need to select suitable connection cable.Commercial SATA builds under Windows operating system substantially, utilize operating system plug SATA equipment, and airborne circumstance is based under Vxworks operating system, and hands-operation needs safe and reliable direct heat plug, therefore need to be according to airborne circumstance and user demand, design SATA storage controlling method is stored and usage data safely and reliably.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of airborne circumstance SATA bus storage control system and control method thereof, and it is stored and usage data safely and reliably.
The present invention solves above-mentioned technical matters by following technical proposals: a kind of airborne circumstance SATA bus storage control system, it is characterized in that, it comprises communication interface modules, cache module, control module, processing module, SATA controller, photoelectric sensor, supply module and storage medium, wherein:
Communication interface modules provides the interface that carries out data transmission with main frame;
Cache module is used for receiving and temporary transient storage data to be written by communication interface modules, and notifies main frame to write by communication interface modules;
Control module is used for logic control, processes photo-sensor signal will and notifies main frame to operate accordingly, and controlling supply module storage medium is carried out power management;
Processing module is used for data packing carrying and computing, is the processing core of SATA bus memory device;
The SATA controller is used for integrated SATA bus protocol, carries out the SATA bus with storage medium and is connected and communicates by letter;
Photoelectric sensor is used for perceived position state and corresponding actions, for control makes a policy;
Supply module is converted to externally fed can supply the power supply of storage medium work, and controlled module controls powers on and lower electricity, for storage medium provides reliable power management;
Storage medium is used for preserving data to be written.
Preferably, described communication interface modules, cache module, processing module, SATA controller are connected with storage medium and are connected, and photoelectric sensor, supply module and storage medium are connected processing module and all are connected with control module.
The invention provides the control method of an airborne circumstance SATA bus storage control system, described control method adopts airborne circumstance SATA bus storage control system described above, and described control method comprises the following steps:
Step 1 is converted to externally fed can power on to storage medium for the power supply of storage medium work by supply module, waits for receiving store tasks;
Step 2, control module are processed photo-sensor signal will and are notified the host task operation by logical relation;
Step 3, communication interface modules with on host interface is communicated by letter after, the host acknowledgement store tasks is treated to send to cache module by communication interface;
Step 4, the host-initiated store tasks begins to send data, and cache module receives by communication interface modules and temporary transient storage data to be written, and sends the written data notice by cache module to main frame;
Step 5, cache module wait for that with the treated resume module of temporal data that receives the SATA controller sends transfer instruction;
Step 6, the SATA controller is stored into by the SATA bus data that receive in storage medium, and the data store tasks is completed;
Step 7 is opened toll bar, and photoelectric sensor sends status signal to control module and processes, and supply module is carried out lower electricity resolution, but the storage medium safety insertion.
Positive progressive effect of the present invention is: the present invention provides the layoutprocedure based on SATA controller in special-purpose Vxworks system simultaneously, and expanded in driver addressing space to 48, enlarged the scope of application, and stored safely and reliably and usage data.Safe and reliable this storage control technology method of utilizing that is mainly manifested in; by the Trinitarian duplicate protection of control module, power module and photoelectric sensor; photoelectric sensor can in time reflect the position signalling of storage medium; control module is carried out the logic judgement to this signal; control the power-on and power-off of power module with this, many one deck power protections on the basis of supporting hot plug on machine.
Description of drawings
Fig. 1 is the theory diagram of airborne circumstance SATA bus storage control system of the present invention.
Fig. 2 is the process flow diagram of airborne circumstance SATA bus storage control system of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As shown in Figure 1, airborne circumstance SATA bus storage control system of the present invention comprises communication interface modules, cache module, control module, processing module, SATA controller, photoelectric sensor, supply module and storage medium, communication interface modules, cache module, processing module, SATA controller are connected with storage medium and are connected, photoelectric sensor, supply module and storage medium are connected processing module and all are connected with control module, wherein:
Communication interface modules provides the interface that carries out data transmission with main frame;
Cache module is used for receiving and temporary transient storage data to be written by communication interface modules, and notifies main frame to write by communication interface modules;
Control module is used for logic control, processes photo-sensor signal will and notifies main frame to operate accordingly, and controlling supply module storage medium is carried out power management;
Processing module is used for data packing carrying and computing, is the processing core of SATA bus memory device;
The SATA controller is used for integrated SATA bus protocol, carries out the SATA bus with storage medium and is connected and communicates by letter;
Photoelectric sensor is used for perceived position state and corresponding actions, for control makes a policy;
Supply module is converted to externally fed can supply the power supply of storage medium work, and controlled module controls powers on and lower electricity, for storage medium provides reliable power management;
Storage medium is used for preserving data to be written.
Airborne circumstance SATA bus storage control system of the present invention is used for the on-board data register system, receives the external bus data by communication interface modules, and after data were processed by the treated module tissue packing of cache module, record stored in storage medium.Storage medium is mounting means easy to plug, and airborne plug action need support performance state and power-down state.Use the plug of toll bar formula device for ejecting convenient card in the design of memory control apparatus, utilize state and the action of photoelectric sensor perception toll bar, control module is predicted next step action by status information, carry out in advance corresponding operating, before Men Kai does not also eject storage medium, processing finishes, and controls lower electricity, realizes that safety ejects; Perform the preparation flow process of initialization storage medium before inserting storage medium, realize the safe handling of storage medium.
Storage medium is encapsulated as aviation-grade connector easy to plug by interface conversion, and the plug number of times reaches more than 5000 times, satisfies airborne frequent plug user demand, and outside the compression with toll bar tightened, and guarantees that reliability facilitates unloading simultaneously.In order to guarantee the data security of storage medium in hot plug, increased photoelectric sensor in system, be used for finding out toll bar state and toll bar switch motion, state and action message are fed back to control module, and control module is carried out corresponding operating and power management according to the comprehensive task state to storage medium.
As shown in Figure 2, the control method of airborne circumstance SATA bus storage control system of the present invention comprises the following steps:
Step 1 is converted to externally fed can power on to storage medium for the power supply of storage medium work by supply module, waits for receiving store tasks;
Step 2, control module are processed photo-sensor signal will and are notified the host task operation by logical relation;
Step 3, communication interface modules with on host interface is communicated by letter after, the host acknowledgement store tasks is treated to send to cache module by communication interface;
Step 4, the host-initiated store tasks begins to send data, and cache module receives by communication interface modules and temporary transient storage data to be written, and sends the written data notice by cache module to main frame;
Step 5, cache module wait for that with the treated resume module of temporal data that receives the SATA controller sends transfer instruction;
Step 6, the SATA controller is stored into by the SATA bus data that receive in storage medium, and the data store tasks is completed;
Step 7 is opened toll bar, and photoelectric sensor sends status signal to control module and processes, and supply module is carried out lower electricity resolution, but the storage medium safety insertion.
The above is the preferred embodiment of the present invention; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. an airborne circumstance SATA bus storage control system, is characterized in that, it comprises communication interface modules, cache module, control module, processing module, SATA controller, photoelectric sensor, supply module and storage medium, wherein:
Communication interface modules provides the interface that carries out data transmission with main frame;
Cache module is used for receiving and temporary transient storage data to be written by communication interface modules, and notifies main frame to write by communication interface modules;
Control module is used for logic control, processes photo-sensor signal will and notifies main frame to operate accordingly, and controlling supply module storage medium is carried out power management;
Processing module is used for data packing carrying and computing, is the processing core of SATA bus memory device;
The SATA controller is used for integrated SATA bus protocol, carries out the SATA bus with storage medium and is connected and communicates by letter;
Photoelectric sensor is used for perceived position state and corresponding actions, for control makes a policy;
Supply module is converted to externally fed can supply the power supply of storage medium work, and controlled module controls powers on and lower electricity, for storage medium provides reliable power management;
Storage medium is used for preserving data to be written.
2. airborne circumstance SATA bus storage control system as claimed in claim 1, it is characterized in that, described communication interface modules, cache module, processing module, SATA controller are connected with storage medium and are connected, and photoelectric sensor, supply module and storage medium are connected processing module and all are connected with control module.
3. the control method of an airborne circumstance SATA bus storage control system, is characterized in that, described control method adopts airborne circumstance SATA bus storage control system claimed in claim 1, and described control method comprises the following steps:
Step 1 is converted to externally fed can power on to storage medium for the power supply of storage medium work by supply module, waits for receiving store tasks;
Step 2, control module are processed photo-sensor signal will and are notified the host task operation by logical relation;
Step 3, communication interface modules with on host interface is communicated by letter after, the host acknowledgement store tasks is treated to send to cache module by communication interface;
Step 4, the host-initiated store tasks begins to send data, and cache module receives by communication interface modules and temporary transient storage data to be written, and sends the written data notice by cache module to main frame;
Step 5, cache module wait for that with the treated resume module of temporal data that receives the SATA controller sends transfer instruction;
Step 6, the SATA controller is stored into by the SATA bus data that receive in storage medium, and the data store tasks is completed;
Step 7 is opened toll bar, and photoelectric sensor sends status signal to control module and processes, and supply module is carried out lower electricity resolution, but the storage medium safety insertion.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107146300A (en) * | 2017-05-04 | 2017-09-08 | 天津津航计算技术研究所 | A kind of multichannel flight data recording and discharge mechanism and its method |
| CN108280901A (en) * | 2017-12-09 | 2018-07-13 | 天津津航计算技术研究所 | A kind of multichannel flight data recorder |
| CN111651515A (en) * | 2020-08-10 | 2020-09-11 | 成都智明达电子股份有限公司 | High-speed data unloading equipment capable of supplying power externally and use method thereof |
| CN114020663A (en) * | 2021-11-17 | 2022-02-08 | 中国航空无线电电子研究所 | Airborne bus data recording device |
| CN114281036A (en) * | 2021-12-08 | 2022-04-05 | 国核自仪系统工程有限公司 | Industrial bus master station interface card, master station controller and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114020663B (en) * | 2021-11-17 | 2024-01-30 | 中国航空无线电电子研究所 | Airborne bus data recording device |
| CN114281036A (en) * | 2021-12-08 | 2022-04-05 | 国核自仪系统工程有限公司 | Industrial bus master station interface card, master station controller and system |
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| CN103106160B (en) | 2015-07-01 |
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