WO2018113029A1 - 接口兼容装置 - Google Patents

接口兼容装置 Download PDF

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Publication number
WO2018113029A1
WO2018113029A1 PCT/CN2016/113695 CN2016113695W WO2018113029A1 WO 2018113029 A1 WO2018113029 A1 WO 2018113029A1 CN 2016113695 W CN2016113695 W CN 2016113695W WO 2018113029 A1 WO2018113029 A1 WO 2018113029A1
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Prior art keywords
interface
sata
hard disk
access device
read
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PCT/CN2016/113695
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English (en)
French (fr)
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李祥明
钟伟文
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广州炒米信息科技有限公司
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Publication of WO2018113029A1 publication Critical patent/WO2018113029A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure

Definitions

  • the present invention relates to the field of computer interface technologies, and in particular, to an interface compatible device.
  • SATA Serial Advanced Technology Attachment
  • SATA Serial Advanced Technology Attachment
  • the new hard disk interface type of Technology Attachment is named after the serial transmission of data.
  • the SATA bus uses an embedded clock signal and has a stronger error correction capability. Compared with the past, the biggest difference is that it can check the transmission instructions (not just the data). If the error is found, it will be automatically corrected. This is very large. To a certain extent, the reliability of data transmission is improved, and the structure is simple and the hot plugging is supported.
  • the mSATA interface (mini-SATA, mini version SATA interface) is a new type of interface standard released by the SATA international interface standard organization.
  • the solid state drive with mSATA interface has a wide range of applications in the fields of tablet computers, mobile phones, set-top boxes and printers.
  • a logical interface is not compatible with an access device that recognizes a SATA interface and an access device that is an mSATA interface, and is designed separately for an access device of a SATA interface and an access device of an mSATA interface, so that space is occupied. Large, and occupy system resources, the cost is also high.
  • An interface compatible device comprising: a SATA connector circuit; an mSATA connector circuit; a main control circuit logic interface respectively connected to the SATA connector circuit and the mSATA connector circuit; and a main control circuit connected to The main control circuit has a logical interface, and stores a correspondence table between the access device type code of the logical interface of the main control circuit and the corresponding access device type, and a correspondence table between the access device type and the read/write mode.
  • the access device type includes a mechanical hard disk of a SATA interface, a mechanical solid state hybrid hard disk of a SATA interface, a solid state hard disk of a SATA interface, and a solid state hard disk of an mSATA interface; a correspondence table between the access device type and the read/write mode, SATA
  • the access device type of the mechanical hard disk of the interface corresponds to the read and write modes of sequential read and cache write
  • the access device type of the mechanical solid state hybrid hard disk of the SATA interface corresponds to the read and write modes of sequential read and load balanced write
  • the access device type of the solid state drive of the SATA interface or the solid state drive of the mSATA interface corresponds to the read and write modes of random read and load balanced write.
  • the above interface compatible device includes a SATA connector circuit, an mSATA connector circuit, a logical interface of the main control circuit, and a correspondence table between the access device type code storing the logical interface of the main control circuit and the corresponding access device type, and the access device.
  • the main control circuit of the correspondence between the type and the read/write mode wherein the access device type includes a mechanical hard disk of the SATA interface, a mechanical solid state hybrid hard disk of the SATA interface, a solid state hard disk of the SATA interface, and a solid state hard disk of the mSATA interface; the SATA connector The circuit and the mSATA connector circuit are respectively connected with the logic interface of the main control circuit, the logical interface of the main control circuit is connected with the main control circuit; the correspondence table between the access device type and the read/write mode, and the access device type of the mechanical hard disk of the SATA interface Corresponding to the read and write modes of sequential read and cache write; the access device type of the mechanical solid state hybrid hard disk of the SATA interface corresponds to the read and write mode of sequential read and load balanced write; the solid state hard disk of the SATA interface or the mSATA interface The access device type of the SSD corresponds to the read and write modes of random read and load balanced write.
  • the compatible device is compatible with the access device that recognizes the SATA interface and the access device of the mSATA interface, and according to the correspondence table between the access device type and the read/write mode, different access device types correspond to different read and write modes, and need not be separated and independent.
  • the access control device for identifying the SATA interface and the main control circuit logical interface of the access device for identifying the mSATA interface are small in space, save system resources, and reduce cost.
  • 1 is a schematic structural diagram of an interface compatible device in an embodiment
  • FIG. 2 is a circuit schematic diagram of a SATA connector circuit in an interface compatible device in an embodiment
  • FIG. 3 is a circuit schematic diagram of an mSATA connector circuit in an interface compatible device in one embodiment.
  • the hard disk interface is the connection between the hard disk and the host system. It is used to transfer data between the hard disk cache and the host memory. From a holistic perspective, the hard disk interface is divided into IDE (Integrated Drive Electronics) SATA (Serial Advanced Technology Attachment), SCSI (Small Computer System Interface), Fibre Channel, and SAS (Serial Attached SCSI).
  • IDE Integrated Drive Electronics
  • SATA Serial Advanced Technology Attachment
  • SCSI Serial Computer System Interface
  • Fibre Channel Fibre Channel
  • SAS Serial Attached SCSI
  • the IDE interface hard disk is mostly used in household products, and is also partially used in servers; the SCSI interface hard disk is mainly used in the server market, and the Fibre Channel is only expensive on high-end servers; SATA is a new type of hard disk interface, which is in the In the market penetration stage, there is broad prospects in the home market.
  • the mSATA interface (mini-SATA, mini version SATA interface) is a new type of interface standard released by the SATA international interface standard organization.
  • the solid state drive with mSATA interface has a wide range of applications in the fields of tablet computers, mobile phones, set-top boxes and printers.
  • the mechanical hard disk is a traditional ordinary hard disk, which mainly includes a disk, a magnetic head, a disk rotating shaft and a control motor, a head controller, a data converter, an interface, a cache, and the like.
  • the magnetic head can move along the radial direction of the disc, and with the high-speed rotation of the disc thousands of revolutions per minute, the magnetic head can be positioned at a specified position of the disc for reading and writing data.
  • the information is written to the magnetic disk by the magnetic flow to change the polarity by the electromagnetic flow.
  • the information can be read by the opposite way. As a precision device, the dust is its enemy and must be completely sealed. All the discs in the mechanical hard disk are mounted on a rotating shaft, and each disc is parallel.
  • the mechanical hard disk has a magnetic head on the storage surface of each disc, and the distance between the magnetic head and the disc is longer than the hair.
  • the diameter of the wire is still small, and all the heads are connected to a head controller, and the head controller is responsible for the movement of each head.
  • the solid state hard disk is referred to as a solid disk, and the solid state hard disk is made of a solid electronic storage chip array, and includes a control unit and a storage unit (FLASH chip and DRAM chip).
  • SSD Solid State Drives
  • Solid state drives do not have any mechanical parts inside, so that even at high speeds and even with tilting tilt, it will not affect normal use, and can lose data in the event of collisions and shocks. The possibility is minimized.
  • the flash-based solid-state hard disk is the main category of solid-state hard disk. Its internal structure is very simple.
  • the main body of the solid-state hard disk is actually a PCB (Printed Circuit Board) board, and the most basic accessory on this PCB board is control.
  • the main control chip is the brain of the solid-state hard disk. Its role is to properly allocate the load of data on each flash memory chip, and the second is to undertake the entire data transfer, connect the flash memory chip and the external SATA interface.
  • the ability of different masters is very different. There will be very different data processing capabilities, algorithms, and read and write control of flash chips, which will directly lead to a tens of times the performance difference of SSD products.
  • hybrid hard disk is a combination of a solid state hard disk and a general mechanical hard disk.
  • a hybrid hard disk is not a combination of a solid state hard disk and a conventional mechanical hard disk.
  • the hybrid hard disk is a new hard disk based on the traditional mechanical hard disk.
  • the NAND flash memory granules are built in, which store the data frequently accessed by the user. Read performance of SSD solid state hard disk effects.
  • SSHD Solid State Hybrid Drive
  • SSHD Solid State Hybrid Drive
  • an interface compatible device includes a SATA connector circuit 100, an mSATA connector circuit 200, a main control circuit logic interface 300, and an access device storing a main control circuit logic interface 300.
  • the main control circuit 400 of the correspondence table between the type code and the corresponding access device type, the access device type and the read/write mode, wherein the access device type includes a mechanical hard disk of the SATA interface, and a mechanical solid state of the SATA interface Hybrid hard disk, solid state hard disk with SATA interface, and solid state hard disk with mSATA interface;
  • the SATA connector circuit 100 and the mSATA connector circuit 200 are respectively connected to the main control circuit logic interface 300, and the main control circuit logic interface 300 is connected to the main control circuit 400;
  • the access device type of the mechanical hard disk of the SATA interface corresponds to the read/write mode of sequential read and cache write; the access device type of the mechanical solid state hybrid hard disk of the SATA interface and The sequential read and load balancing writes are corresponding to the read/write mode; the access device type of the solid state drive of the SATA interface or the solid state drive of the mSATA interface corresponds to the read and write modes of random read and load balanced write.
  • the main control circuit pre-stores a correspondence table between the access device type code and the corresponding access device, for example, 1 represents a mechanical hard disk whose access device type is a SATA interface, and 2 represents an access device type is a SATA interface.
  • Mechanical solid-state hybrid hard disk 3 represents the solid-state hard disk with the access device type SATA interface, and 4 represents the solid-state hard disk with the access device type mSATA interface.
  • the main control circuit receives the signal parameter of 1, the current input device is SATA. Mechanical hard disk for the interface.
  • the read/write efficiency of the access device is higher, the service life is longer, and the access device type and
  • the access device type of the mechanical hard disk of the SATA interface corresponds to the read and write mode of the sequential read and the cache write; the access device type and sequential read of the mechanical solid state hybrid hard disk of the SATA interface,
  • the read/write mode of the load balancing write corresponds to the read/write mode of the SSD or the mSATA interface SSD.
  • SATA connector circuit 100 including SATA connector, first capacitor, second capacitor, third capacitor, and Four capacitors, one end of the first capacitor is connected to the first differential receiving pin of the SATA connector, the other end of the first capacitor is connected to the first differential receiving pin of the main control circuit; and one end of the second capacitor is connected to the second of the SATA connector a differential receiving pin, the other end of the second capacitor is connected to the second differential receiving pin of the main control circuit; one end of the third capacitor is connected to the first differential transmitting pin of the SATA connector, and the other end of the third capacitor is connected to the main control circuit
  • the first differential transmission pin; one end of the fourth capacitor is connected to the second differential transmission pin of the SATA connector, and the other end of the fourth capacitor is connected to the second differential transmission pin of the main control circuit.
  • the interface compatible device further includes a first circuit board, and the SATA connector, the first capacitor, the second capacitor, the third capacitor, and the fourth capacitor are sequentially disposed on the first circuit board.
  • the first capacitor, the second capacitor, the third capacitor, and the fourth capacitor are all 10 nF capacitors.
  • FIG. 2 is a circuit schematic diagram of the SATA connector, wherein the first capacitor is C315, the second capacitor is C316, the third capacitor is C317, and the fourth capacitor is C318.
  • the mSATA connector circuit 200 includes an mSATA connector, a fifth capacitor, a sixth capacitor, a seventh capacitor, and an eighth capacitor.
  • One end of the fifth capacitor is connected to the first differential receiving pin of the mSATA connector, and the fifth capacitor is The other end is connected to the first differential receiving pin of the main control circuit;
  • one end of the sixth capacitor is connected to the second differential receiving pin of the mSATA connector, and the other end of the sixth capacitor is connected to the second differential receiving pin of the main control circuit;
  • One end of the seventh capacitor is connected to the first differential transmitting pin of the mSATA connector, and the other end of the seventh capacitor is connected to the first differential transmitting pin of the main control circuit;
  • one end of the eighth capacitor is connected to the second differential transmitting pin of the mSATA connector.
  • the interface compatible device further includes a second circuit board, and the mSATA connector, the fifth capacitor, the sixth capacitor, the seventh capacitor, and the eighth capacitor are sequentially disposed on the second circuit board.
  • the fifth capacitor, the sixth capacitor, the seventh capacitor, and the eighth capacitor are all 10 nF capacitors. More specifically, FIG. 3 is a circuit schematic diagram of the mSATA connector, wherein the fifth capacitor is C323, the sixth capacitor is C325, the seventh capacitor is C326, and the eighth capacitor is C327.
  • the main control circuit 400 includes a GL830 main control chip, and the GL830 is a highly compatible, low-cost USB (Universal Serial Bus) 2.0-pair SATA bridge controller.
  • USB Universal Serial Bus
  • the above interface compatible device includes a SATA connector circuit, an mSATA connector circuit, a logical interface of the main control circuit, and a correspondence table between the access device type code storing the logical interface of the main control circuit and the corresponding access device type, and the access device.
  • the main control circuit of the correspondence between the type and the read/write mode wherein the access device type includes a mechanical hard disk of the SATA interface, a mechanical solid state hybrid hard disk of the SATA interface, a solid state hard disk of the SATA interface, and a solid state hard disk of the mSATA interface; the SATA connector The circuit and the mSATA connector circuit are respectively connected with the logic interface of the main control circuit, and the logical interface of the main control circuit is connected with the main control circuit; in the correspondence table between the access device type and the read/write mode, the SATA connection
  • the access device type of the mechanical hard disk of the port corresponds to the read and write mode of the sequential read and the cache write
  • the access device type of the mechanical solid state hybrid hard disk of the SATA interface corresponds to the read and write mode of the sequential read and load balanced write
  • the access device type of the solid state drive of the SATA interface or the solid state drive of the mSATA interface corresponds to the read and write mode of random read and load balance write.
  • the interface compatible device is compatible with the access device and the mSATA interface for identifying the SATA interface.
  • the device is based on the mapping between the access device type and the read/write mode. Different access device types correspond to different read/write modes. There is no need to separately design the access device for identifying the SATA interface and the mSATA interface.
  • the logical interface of the main control circuit of the access device is small, which saves system resources and reduces the cost.
  • the main control circuit further includes a solid state hard disk of the SATA interface or a solid state hard disk of the mSATA interface adjacent to the solid state hard disk of the SATA interface or the mSATA interface.
  • the time parameter setting module for reading and writing data at a time interval of 0 is based on the fact that the solid state hard disk has no mechanical structure and limited number of reading and writing times, thereby improving the read and write life of the access device.
  • the main control circuit in the interface compatible device further includes an access device information acquiring module that acquires the capacity and the cache value of the access device of the logical interface of the main control circuit, and determines the frequency of the read and write operations according to the size of the capacity and the size of the cached value. The larger the capacity, the more frequent the read and write operations; the smaller the cache value, the more frequent the read and write operations to ensure higher read and write efficiency.

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Abstract

一种接口兼容装置，包括：SATA连接器电路（100）、mSATA连接器电路（200）、主控电路逻辑接口（300）和主控电路（400），主控电路（400）存储有主控电路逻辑接口（300）的接入设备类型代码与相应的接入设备类型的对应关系表、接入设备类型与读写方式的对应关系表；其中，接入设备类型包括SATA接口的机械硬盘、SATA接口的机械固态混合硬盘、SATA接口的固态硬盘以及mSATA接口的固态硬盘；接入设备类型与读写方式的对应关系表中，SATA接口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应。

Description

接口兼容装置 技术领域
本发明涉及计算机接口技术领域，特别是涉及一种接口兼容装置。
背景技术
SATA(Serial Advanced Technology Attachment，串行硬盘接口技术)是一种电脑总线，主要用作主板和大量存储设备(如硬盘及光盘驱动器)之间的数据传输，是一种完全不同于并行ATA(Advanced Technology Attachment，硬盘接口技术)的新型硬盘接口类型，由于采用串行方式传输数据而得名。SATA总线使用嵌入式时钟信号，具备了更强的纠错能力，与以往相比其最大的区别在于能对传输指令(不仅仅是数据)进行检查，如果发现错误会自动矫正，这在很大程度上提高了数据传输的可靠性，还具有结构简单、支持热插拔的优点。mSATA接口(mini-SATA，迷你版本SATA接口)是SATA国际接口标准组织发布的一种新型的接口标准，带mSATA接口的固态硬盘在平板计算机、手机、机上盒以及打印机等领域有着广泛的应用。
现有技术至少存在如下问题：一个逻辑接口不能兼容识别处理SATA接口的接入设备和mSATA接口的接入设备，针对SATA接口的接入设备和mSATA接口的接入设备，分开设计，这样占用空间大，且占用系统资源，成本也高。
发明内容
基于此，有必要针对现有技术中一个逻辑接口不能兼容识别处理SATA接口的接入设备和mSATA接口的接入设备，SATA接口的接入设备和mSATA接口的接入设备分开设计，占用空间大，且占用系统资源，成本也高的问题，提供一种可以兼容识别处理SATA接口的接入设备和mSATA接口的接入设备的接口兼容装置。
一种接口兼容装置，包括：SATA连接器电路；mSATA连接器电路；主控电路逻辑接口，其分别与所述SATA连接器电路和所述mSATA连接器电路连接；以及主控电路，其连接至所述主控电路逻辑接口，并且存储有所述主控电路逻辑接口的接入设备类型代码与相应的接入设备类型的对应关系表、所述接入设备类型与读写方式的对应关系表；其中， 所述接入设备类型包括SATA接口的机械硬盘、SATA接口的机械固态混合硬盘、SATA接口的固态硬盘以及mSATA接口的固态硬盘；所述接入设备类型与读写方式的对应关系表中，SATA接口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应。
上述接口兼容装置，包括SATA连接器电路，mSATA连接器电路，主控电路逻辑接口以及存储有主控电路逻辑接口的接入设备类型代码与相应的接入设备类型的对应关系表、接入设备类型与读写方式的对应关系表的主控电路，其中，接入设备类型包括SATA接口的机械硬盘、SATA接口的机械固态混合硬盘、SATA接口的固态硬盘以及mSATA接口的固态硬盘；SATA连接器电路和mSATA连接器电路分别与主控电路逻辑接口连接，主控电路逻辑接口与主控电路连接；接入设备类型与读写方式的对应关系表中，SATA接口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应，该接口兼容装置可兼容识别SATA接口的接入设备和mSATA接口的接入设备，并根据接入设备类型与读写方式的对应关系表，不同的接入设备类型对应不同的读写方式，无需分开独立设计用于识别SATA接口的接入设备以及用于识别mSATA接口的接入设备的主控电路逻辑接口，这样占用空间小，且节省了系统资源，降低了成本。
附图说明
图1为一个实施例中接口兼容装置的结构示意图；
图2为一个实施例中接口兼容装置中的SATA连接器电路的电路原理图；
图3为一个实施例中接口兼容装置中的mSATA连接器电路的电路原理图。
具体实施方式
硬盘接口是硬盘与主机系统间的连接部件，作用是在硬盘缓存和主机内存之间传输数据。从整体的角度上，硬盘接口分为IDE(Integrated Drive Electronics，即电子集成驱动 器)、SATA(Serial Advanced Technology Attachment，串行硬盘接口技术)、SCSI(Small Computer System Interface，小型计算机系统接口)、光纤通道和SAS(Serial Attached SCSI，串行连接SCSI)五种。IDE接口硬盘多用于家用产品中，也部分应用于服务器；SCSI接口的硬盘则主要应用于服务器市场，而光纤通道只在高端服务器上，价格昂贵；SATA是一种新生的硬盘接口类型，正处于市场普及阶段，在家用市场中有着广泛的前景。mSATA接口(mini-SATA，迷你版本SATA接口)是SATA国际接口标准组织发布的一种新型的接口标准，带mSATA接口的固态硬盘在平板计算机、手机、机上盒以及打印机等领域有着广泛的应用。
机械硬盘即传统普通硬盘，主要包括盘片、磁头、盘片转轴及控制电机、磁头控制器、数据转换器、接口、缓存等。磁头可沿盘片的半径方向运动，加上盘片每分钟几千转的高速旋转，磁头就可以定位在盘片的指定位置上进行数据的读写操作。信息通过离磁性表面很近的磁头，由电磁流来改变极性方式被电磁流写到磁盘上，信息可以通过相反的方式读取，作为精密设备，尘埃是其大敌，必须完全密封。机械硬盘中所有的盘片都装在一个旋转轴上，每张盘片之间是平行的，机械硬盘在每个盘片的存储面上有一个磁头，磁头与盘片之间的距离比头发丝的直径还小，所有的磁头连在一个磁头控制器上，由磁头控制器负责各个磁头的运动。
固态硬盘简称固盘，固态硬盘用固态电子存储芯片阵列而制成的硬盘，包括控制单元和存储单元(FLASH芯片和DRAM芯片)。SSD(Solid State Drives，固态硬盘)固态硬盘内部不存在任何机械部件，这样即使在高速移动甚至伴随翻转倾斜的情况下也不会影响到正常使用，而且在发生碰撞和震荡时能够将数据丢失的可能性降到最小。固态硬盘的存储介质分为两种，一种是采用闪存(FLASH芯片)作为存储介质，另外一种是采用DRAM作为存储介质。基于闪存的固态硬盘是固态硬盘的主要类别，其内部构造十分简单，固态硬盘内主体其实就是一块PCB(Printed Circuit Board，印制线路板)板，而这块PCB板上最基本的配件就是控制芯片、缓存芯片(部分低端硬盘无缓存芯片)和用于存储数据的闪存芯片。主控芯片是固态硬盘的大脑，其作用一是合理调配数据在各个闪存芯片上的负荷，二则是承担了整个数据中转，连接闪存芯片和外部SATA接口。不同的主控之间能力相差非常大，在数据处理能力、算法，对闪存芯片的读取写入控制上会有非常大的不同，直接会导致固态硬盘产品在性能上差距高达数十倍。
不少用户把混合硬盘看成是固态硬盘与一般的机械硬盘混合使用，其实混合硬盘并非是将固态硬盘与传统的机械硬盘混合使用的称呼。混合硬盘是一块基于传统机械硬盘诞生出来的新硬盘，除了机械硬盘必备的碟片、马达、磁头等等，还内置了NAND闪存颗粒，该颗粒将用户经常访问的数据进行储存，可以达到如SSD固态硬盘效果的读取性能。SSHD(Solid State Hybrid Drive，固态混合硬盘)是把磁性硬盘和闪存集成到一起的一种硬盘，是处于磁性硬盘和固态硬盘中间的一种解决方案。
在一个实施例中，如图1所示，一种接口兼容装置，包括SATA连接器电路100，mSATA连接器电路200，主控电路逻辑接口300以及存储有主控电路逻辑接口300的接入设备类型代码与相应的接入设备类型的对应关系表、接入设备类型与读写方式的对应关系表的主控电路400，其中，接入设备类型包括SATA接口的机械硬盘、SATA接口的机械固态混合硬盘、SATA接口的固态硬盘以及mSATA接口的固态硬盘；
SATA连接器电路100和mSATA连接器电路200分别与主控电路逻辑接口300连接，主控电路逻辑接口300与主控电路400连接；
接入设备类型与读写方式的对应关系中，SATA接口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应。
具体的，主控电路预先存储有接入设备类型代码与相应的接入设备的对应关系表，比如说1代表接入设备类型为SATA接口的机械硬盘，2代表接入设备类型为SATA接口的机械固态混合硬盘，3代表接入设备类型为SATA接口的固态硬盘，4代表接入设备类型为mSATA接口的固态硬盘，当主控电路收到信号参数为1时，说明当前的输入设备是SATA接口的机械硬盘。从接入设备的读写效率和使用寿命两方面综合考虑，结合不同类型的接入设备本身的特性，为使对接入设备的读写效率更高，使用寿命更长，接入设备类型与读写方式的对应关系表中，SATA接口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应。
SATA连接器电路100，包括SATA连接器、第一电容、第二电容、第三电容以及第 四电容，第一电容的一端连接SATA连接器的第一差分接收引脚，第一电容的另一端连接主控电路的第一差分接收引脚；第二电容的一端连接SATA连接器的第二差分接收引脚，第二电容的另一端连接主控电路的第二差分接收引脚；第三电容的一端连接SATA连接器的第一差分发送引脚，第三电容的另一端连接主控电路的第一差分发送引脚；第四电容的一端连接SATA连接器的第二差分发送引脚，第四电容的另一端连接主控电路的第二差分发送引脚。接口兼容装置还包括第一电路板，SATA连接器、第一电容、第二电容、第三电容以及第四电容依次设置于第一电路板。具体的，第一电容、所述第二电容、第三电容以及第四电容均为10nF的电容。更为具体的，图2为SATA连接器的电路原理图，其中，第一电容为C315，第二电容为C316，第三电容为C317，第四电容为C318。
mSATA连接器电路200，包括mSATA连接器、第五电容、第六电容、第七电容以及第八电容，第五电容的一端连接所述mSATA连接器的第一差分接收引脚，第五电容的另一端连接主控电路的第一差分接收引脚；第六电容的一端连接mSATA连接器的第二差分接收引脚，第六电容的另一端连接主控电路的第二差分接收引脚；第七电容的一端连接mSATA连接器的第一差分发送引脚，第七电容的另一端连接主控电路的第一差分发送引脚；第八电容的一端连接mSATA连接器的第二差分发送引脚，第八电容的另一端连接主控电路的第二差分发送引脚。接口兼容装置还包括第二电路板，mSATA连接器、第五电容、第六电容、第七电容以及第八电容依次设置于第二电路板。具体的，第五电容、第六电容、第七电容以及第八电容均为10nF的电容。更为具体的，图3为mSATA连接器的电路原理图，其中，第五电容为C323，第六电容为C325，第七电容为C326，第八电容为C327。
主控电路400包括GL830主控芯片，GL830是一个高相容性、低成本的USB(Universal Serial Bus，通用串行总线)2.0对SATA桥接控制器。
上述接口兼容装置，包括SATA连接器电路，mSATA连接器电路，主控电路逻辑接口以及存储有主控电路逻辑接口的接入设备类型代码与相应的接入设备类型的对应关系表、接入设备类型与读写方式的对应关系表的主控电路，其中，接入设备类型包括SATA接口的机械硬盘、SATA接口的机械固态混合硬盘、SATA接口的固态硬盘以及mSATA接口的固态硬盘；SATA连接器电路和mSATA连接器电路分别与主控电路逻辑接口连接，主控电路逻辑接口与主控电路连接；接入设备类型与读写方式的对应关系表中，SATA接 口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应，该接口兼容装置可兼容识别SATA接口的接入设备和mSATA接口的接入设备，并根据接入设备类型与读写方式的对应关系表，不同的接入设备类型对应不同的读写方式，无需分开独立设计用于识别SATA接口的接入设备以及用于识别mSATA接口的接入设备的主控电路逻辑接口，这样占用空间小，且节省了系统资源，降低了成本。
在一个实施例中，接口兼容装置中，主控电路还包括当接入设备类型为SATA接口的固态硬盘或mSATA接口的固态硬盘时，SATA接口的固态硬盘或mSATA接口的固态硬盘相邻两次读写数据的时间间隔为0的时间参数设置模块，基于固态硬盘无机械结构、读写次数有限的特性，以此提高接入设备的读写寿命。此外，接口兼容装置中的主控电路还包括获取主控电路逻辑接口的接入设备的容量和缓存值的接入设备信息获取模块，根据容量大小和缓存值的大小，确定读写操作频繁程度，容量大的，读写操作越频繁；缓存值越小，读写操作越频繁，以确保较高的读写效率。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (7)

  1. 一种接口兼容装置，包括：
    SATA连接器电路；
    mSATA连接器电路；
    主控电路逻辑接口，其分别与所述SATA连接器电路和所述mSATA连接器电路连接；以及
    主控电路，其连接至所述主控电路逻辑接口，并且存储有所述主控电路逻辑接口的接入设备类型代码与相应的接入设备类型的对应关系表、所述接入设备类型与读写方式的对应关系表；
    其中，所述接入设备类型包括SATA接口的机械硬盘、SATA接口的机械固态混合硬盘、SATA接口的固态硬盘以及mSATA接口的固态硬盘；
    所述接入设备类型与读写方式的对应关系表中，SATA接口的机械硬盘的接入设备类型与顺序读取、缓存写入的读写方式对应；SATA接口的机械固态混合硬盘的接入设备类型与顺序读取、负载均衡写入的读写方式对应；SATA接口的固态硬盘或mSATA接口的固态硬盘的接入设备类型与随机读取、负载均衡写入的读写方式对应。
  2. 根据权利要求1所述的接口兼容装置，其特征在于，所述SATA连接器电路包括SATA连接器和多个电容，所述多个电容配置为将所述SATA连接器的差分接收引脚和差分发送引脚分别连接至所述主控电路的差分接收引脚和差分发送引脚。
  3. 根据权利要求2所述的接口兼容装置，其特征在于，还包括第一电路板，所述SATA连接器和所述多个电容设置在所述第一电路板上。
  4. 根据权利要求1所述的接口兼容装置，其特征在于，所述mSATA连接器电路包括mSATA连接器和多个进一步的电容，所述多个进一步的电容配置为将所述mSATA连接器的差分接收引脚和差分发送引脚分别连接至所述主控电路的所述差分接收引脚和所述差分发送引脚。
  5. 根据权利要求4所述的接口兼容装置，其特征在于，还包括第二电路板，所述mSATA连接器和所述进一步的电容设置在所述第二电路板上。
  6. 根据权利要求1-5中任意一项所述的接口兼容装置，其特征在于，所述主控电路还包括当所述接入设备类型为SATA接口的固态硬盘或mSATA接口的固态硬盘时，所述SATA接口的固态硬盘或所述mSATA接口的固态硬盘相邻两次读写数据的时间间隔为0的时间参数设置模块。
  7. 根据权利要求1-5中任意一项所述的接口兼容装置，其特征在于，所述主控电路还包括获取所述主控电路逻辑接口的接入设备的容量和缓存值的接入设备信息获取模块。
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