CN101794603B - A fast opening circuit - Google Patents
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Abstract
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技术领域technical field
本发明涉及一种快速开仓电路，特别涉及一种实现碟片播放器快速开仓电路。The invention relates to a fast opening circuit, in particular to a circuit for realizing fast opening of a disc player.
背景技术：Background technique:
目前，市场上的碟片播放器电路一般由主控制系统、从控制系统、碟片加载装置及其他控制单元组成。碟片加载装置一般通过SATA(全称是Serial Advanced Technology Attachment串行高级技术附件，一种基于行业标准的串行硬件驱动器接口)或其他信号总线与主控制系统相连通讯。主控制系统具备音视频信号的编解码和格式转换输出、用户操作界面显示和用户操作响应等功能。因此主控制系统的整个软件系统比较复杂，初始化过程相对比较慢，特别是一些嵌入式Linux或Windows Mobile、Android系统，一般会需要十几秒甚至几十秒钟才能完成系统的初始化。At present, the disc player circuit on the market generally consists of a master control system, a slave control system, a disc loading device and other control units. The disc loading device generally communicates with the main control system through SATA (the full name is Serial Advanced Technology Attachment, a serial hardware drive interface based on industry standards) or other signal buses. The main control system has functions such as codec and format conversion output of audio and video signals, user operation interface display and user operation response. Therefore, the entire software system of the main control system is relatively complicated, and the initialization process is relatively slow, especially for some embedded Linux, Windows Mobile, and Android systems, it generally takes more than ten seconds or even tens of seconds to complete the system initialization.
碟片播放器一般包含两种工作状态：一种工作状态是待机状态，在待机状态下，主控制系统，碟片加载装置等都无电源供给，系统只有极少部分的单元(如从控制系统)在工作，实现低功耗待机；另一种工作状态是开机状态，此状态主控制系统，碟片加载装置等几乎所有的单元都正常工作。当碟片播放器响应用户的相关指令，由待机状态转变为开机状态后，从控制系统通过一些控制信号使电源电路供电给主控制系统和碟片加载装置等需要供电的单元电路。碟片加载装置由于本身的系统比较简单，很快就完成了初始化(一般小于3秒)；但主控制系统由于上述的复杂性，导致主控制系统的初始化时间较长。在主控制系统的初始化过程中，碟片加载装置会处于非受控状态，用户不能通过遥控器或者面控板相应按键控制碟片加载装置的托盘向外输出(简称为开仓)或向内输入(简称为关仓)。Disc players generally include two working states: one working state is the standby state. In the standby state, the main control system, disc loading device, etc. have no power supply, and the system has only a few units (such as the slave control system) ) is working to realize low-power standby; another working state is the power-on state, in which almost all units such as the main control system and the disc loading device work normally. When the disc player responds to the relevant instructions of the user and changes from the standby state to the power-on state, the slave control system uses some control signals to make the power supply circuit supply power to the main control system and the disc loading device and other unit circuits that need power supply. The disc loading device completes the initialization soon (generally less than 3 seconds) because its own system is relatively simple; but the main control system has a longer initialization time due to the above-mentioned complexity. During the initialization process of the main control system, the disc loading device will be in an uncontrolled state, and the user cannot control the tray of the disc loading device to output outward (referred to as opening) or inward through the corresponding buttons on the remote control or panel. Input (referred to as closing position).
现在技术存在的弊端是：操作员必须等待碟片播放器主控制系统启动完毕后，才能对碟片加载装置进行开仓和关仓操作，没有能同时进行主控制系统初始化和进仓的功能。从碟片播放器启动到碟片加载的这段时间，对于操作者来讲，浪费时间，人机交互友好度极差。The disadvantage of the current technology is that the operator must wait for the main control system of the disc player to start before opening and closing the disc loading device. The period from the start of the disc player to the loading of the disc is a waste of time for the operator, and the human-computer interaction is extremely poor.
发明内容：Invention content:
本发明的目的在于克服现有技术的不足，提供应用于碟片播放器的一种快速开仓电路，在碟片播放器主控制系统启动的同时，实现对碟片加载装置的开仓操作。The object of the present invention is to overcome the disadvantages of the prior art, and provide a fast bin opening circuit applied to the disc player, which realizes the bin opening operation of the disc loading device while the main control system of the disc player is started.
为了达到上述目的，本发明采用的技术方案是：In order to achieve the above object, the technical scheme adopted in the present invention is:
一种实现碟片播放器快速开仓方法，步骤如下：A method for quickly opening a position of a disc player, the steps are as follows:
(1)碟片播放器待机状态，操作员按下遥控器相关按键或者面控板相关按键，或者通过手动开机控制方式，向碟片播放器发出开机和开仓指令；(1) In the standby state of the disc player, the operator presses the relevant buttons on the remote control or the panel control panel, or through the manual power-on control mode, sends the start-up and opening instructions to the disc player;
(2)从控制系统响应步骤(1)的命令为碟片加载装置、主控制系统等各电路电源加电，各功能电路启动；(2) Respond from the control system to the command of step (1) to power up the power supply of each circuit such as the disc loading device and the main control system, and start each functional circuit;
(3)碟片加载装置在完成初始化后，从控制系统向碟片加载装置发送开仓的控制命令；(3) After the disc loading device completes the initialization, the control system sends a control command to open the bin from the control system to the disc loading device;
(4)碟片加载装置响应从控制系统发出的开仓命令，执行开仓操作；(4) The disc loading device responds to the opening command sent from the control system, and executes the opening operation;
(5)操作员向碟片加载装置的托盘加载碟片，完成碟片加载动作；(5) The operator loads a disc to the tray of the disc loading device to complete the disc loading action;
(6)操作员发出关仓指令，碟片播放器响应关仓指令，碟片加载装置对操作员加载的碟片进行预读取，预先完成碟片的加载工作；(6) The operator sends out an instruction to close the bin, the disc player responds to the instruction to close the bin, the disc loading device pre-reads the disc loaded by the operator, and completes the loading of the disc in advance;
(7)待主控制系统初始化完成后，即可直接与碟片加载装置进行数据交换，同时，操作员开仓和关仓的指令交由主控制系统响应和执行；(7) After the initialization of the main control system is completed, it can directly exchange data with the disc loading device. At the same time, the operator's instructions for opening and closing the warehouse are given to the main control system for response and execution;
(8)在主控制系统完成初始化前，从控制系统能响应多次开仓和关仓的操作，也即能在这个阶段更换碟片加载装置中的碟片。(8) Before the initialization of the main control system is completed, the slave control system can respond to multiple opening and closing operations, that is, the disc in the disc loading device can be replaced at this stage.
一种应用快速开仓方法的快速开仓电路，包括主控制系统、从控制系统、碟片加载装置及控制电路。主控制系统与碟片加载装置间通过SATA互连，从控制系统与主控制系统间通过RS232(Recommended Standard的缩写，推荐标准，232为标识号，是个人计算机上的通讯接口之一)串口进行通讯，或是其他方式，如I2C，SPI(Serial Peripheral Interface的缩写，串行外围设备接口)等。从控制系统与碟片加载装置之间通过控制总线(单根或多根控制信号线)相连。在主控制系统初始化未完成时，由从控制系统控制碟片加载装置开关仓，主控制系统初始化完成后，将碟片加载装置控制权转交主控制系统。A quick warehouse opening circuit applying a quick warehouse opening method includes a master control system, a slave control system, a disk loading device and a control circuit. The main control system and the disc loading device are interconnected through SATA, and the slave control system and the main control system are connected through the RS232 (abbreviation of Recommended Standard, recommended standard, 232 is the identification number, which is one of the communication interfaces on the personal computer) serial port. Communication, or other methods, such as I2C, SPI (short for Serial Peripheral Interface, Serial Peripheral Interface), etc. The slave control system is connected with the disc loading device through a control bus (single or multiple control signal lines). When the initialization of the main control system is not completed, the slave control system controls the opening and closing of the disc loading device, and after the initialization of the main control system is completed, the control right of the disc loading device is transferred to the main control system.
与现有技术相比，本发明的有益效果是：除了碟片播放器所具备的主控制系统与碟片加载装置间的总线连接外，在从控制系统与碟片加载装置间增加一组控制线用于控制碟片加载装置进行开仓和关仓，从控制系统可以脱离主控制系统单独工作，扩大了从控制系统的范围和功能，在主控制系统初始化过程中，碟片加载装置就能接受从控制系统的控制，操作者可提前放入碟片，让碟片加载装置提前工作；主控制系统完成初始化后即可从碟片加载装置获取信息并开始碟片内容的播放。优化了播放器的开机和播放碟片流程，节省了等待时间，有效实现人机互动。Compared with the prior art, the beneficial effect of the present invention is: in addition to the bus connection between the master control system and the disc loading device of the disc player, a group of control is added between the slave control system and the disc loading device. The line is used to control the opening and closing of the disc loading device. The slave control system can work independently from the main control system, which expands the scope and functions of the slave control system. During the initialization process of the main control system, the disc loading device can Accepting the control of the slave control system, the operator can put the disc in advance to let the disc loading device work in advance; after the master control system is initialized, it can obtain information from the disc loading device and start playing the content of the disc. Optimized the process of booting up the player and playing discs, saving waiting time and effectively realizing human-computer interaction.
附图说明：Description of drawings:
图1为本发明的从控制系统的碟片加载装置控制流程；Fig. 1 is the control flow of the disc loading device of the slave control system of the present invention;
图2为本发明的整体原理框图；Fig. 2 is the overall functional block diagram of the present invention;
图3为本发明的主控制系统和从控制系统电路图；Fig. 3 is main control system of the present invention and from control system circuit diagram;
图4为本发明的碟片加载装置电路图。Fig. 4 is a circuit diagram of the disc loading device of the present invention.
具体实施方式：Detailed ways:
本发明的设计方案的中心思想在于：从控制系统可以脱离主控制系统单独工作，扩大了从控制系统的范围和功能，在主控制系统初始化过程中，碟片加载装置就能接受从控制系统的控制进行工作；主控制系统完成初始化后即可从碟片加载装置获取信息并开始碟片内容的播放。The central idea of the design scheme of the present invention is that the slave control system can work independently from the master control system, expanding the scope and functions of the slave control system. During the initialization process of the master control system, the disc loading device can accept the slave control system. The control works; after the main control system completes the initialization, it can obtain information from the disc loading device and start playing the disc content.
下面结合实施例参照附图进行详细说明，以便对本发明的技术特征及优点进行更深入的诠释。The following will describe in detail with reference to the accompanying drawings in conjunction with the embodiments, so as to further explain the technical features and advantages of the present invention.
如图1所示，一种实现碟片播放器快速开仓方法，步骤如下：As shown in Figure 1, a method for realizing quick opening of a disc player, the steps are as follows:
(1)碟片播放器待机状态，操作员按下遥控器相关按键或者面控板相关按键，或者通过手动开机控制方式，向碟片播放器发出开机和开仓指令；(1) In the standby state of the disc player, the operator presses the relevant buttons on the remote control or the panel control panel, or through the manual power-on control mode, sends the start-up and opening instructions to the disc player;
(2)从控制系统响应步骤(1)的命令为碟片加载装置、主控制系统等各电路电源加电，各功能电路启动；(2) Respond from the control system to the command of step (1) to power up the power supply of each circuit such as the disc loading device and the main control system, and start each functional circuit;
(3)碟片加载装置在完成初始化后，从控制系统向碟片加载装置发送开仓的控制命令；(3) After the disc loading device completes the initialization, the control system sends a control command to open the bin from the control system to the disc loading device;
(4)碟片加载装置响应从控制系统发出的开仓命令，执行开仓操作；(4) The disc loading device responds to the opening command sent from the control system, and executes the opening operation;
(5)操作员向碟片加载装置的托盘加载碟片，完成碟片加载动作；(5) The operator loads a disc to the tray of the disc loading device to complete the disc loading action;
(6)操作员发出关仓指令，碟片播放器响应关仓指令，碟片加载装置对操作员加载的碟片进行预读取，预先完成碟片的加载工作；(6) The operator sends out an instruction to close the bin, the disc player responds to the instruction to close the bin, the disc loading device pre-reads the disc loaded by the operator, and completes the loading of the disc in advance;
(7)待主控制系统初始化完成后，即可直接与碟片加载装置进行数据交换，同时，操作员开仓和关仓的指令交由主控制系统响应和执行；(7) After the initialization of the main control system is completed, it can directly exchange data with the disc loading device. At the same time, the operator's instructions for opening and closing the warehouse are given to the main control system for response and execution;
(8)在主控制系统完成初始化前，从控制系统能响应多次开仓和关仓的操作，也即能在这个阶段更换碟片加载装置中的碟片。(8) Before the initialization of the main control system is completed, the slave control system can respond to multiple opening and closing operations, that is, the disc in the disc loading device can be replaced at this stage.
一种应用快速开仓方法的快速开仓电路，其整体原理框图如图2所示，电路包括主控制系统、从控制系统、碟片加载装置及其他控制单元。主控制系统与碟片加载装置间通过SATA互连，从控制系统与主控制系统间通过RS232串口进行通讯，或其他方式，如I2C，SPI等从控制系统与碟片加载装置之间通过控制总线(单根或多根控制信号线)相连。A quick opening circuit using the quick opening method, its overall functional block diagram is shown in Figure 2, the circuit includes a master control system, a slave control system, a disc loading device and other control units. The main control system and the disc loading device are interconnected through SATA, and the slave control system and the main control system communicate through the RS232 serial port, or other methods, such as I2C, SPI, etc., between the slave control system and the disc loading device through the control bus (Single or multiple control signal lines) are connected.
主控制系统和从控制系统电路图如图3所示，包括主控制系统、从控制系统、电源管理电路、开机按键、进出仓按键、红外遥控接收头。主控制系统是整个播放器的核心，完成音视频信号的解码，输出，人机交互等功能。从控制系统具有电源管理，遥控信号接收处理，按键检测功能。从控制系统在接收到开机指令后，启动电源电路给主控制系统、碟片加载装置以及各电路供电。从控制系统响应操作者的开仓和关仓们控制命令，通过从控制系统与碟片加载装置间的控制信号线控制碟片加载装置的仓门的打开和关闭。主控制系统完成初始化后，通过主控制系统与从控制系统间的信号线通知从控制系统，操作者开仓和关仓的指令交由主控制系统响应和执行。The circuit diagram of the main control system and the slave control system is shown in Figure 3, including the master control system, slave control system, power management circuit, power-on button, warehouse entry and exit buttons, and infrared remote control receiver. The main control system is the core of the entire player, which completes the decoding, output, human-computer interaction and other functions of audio and video signals. The slave control system has the functions of power management, remote control signal receiving and processing, and key detection. After receiving the boot command, the slave control system starts the power supply circuit to supply power to the master control system, the disk loading device and various circuits. The slave control system responds to the operator's opening and closing control commands, and controls the opening and closing of the door of the disc loading device through the control signal line between the slave control system and the disc loading device. After the master control system completes the initialization, the slave control system is notified through the signal line between the master control system and the slave control system, and the operator's order to open and close the warehouse is given to the master control system for response and execution.
碟片加载装置电路图如图4所示，碟片加载装置包括了碟片加载机架，碟片加载托盘、读碟所用的激光头以及伺服读碟控制系统，实现碟片加载和碟片数据读取。碟片加载装置的SATA插座2与主控制系统的SATA插座1的数据交换依靠SATA电缆线实现，插座1与插座2相连。当进出仓控制信号传至碟片加载装置时，碟片价值装置响应从控制系统发出的开仓命令，执行开仓操作，操作者向碟片加载装置的托盘加载碟片，完成碟片加载动作，当有关仓的指令发出后，碟片播放器响应关仓质量，碟片加载装置对碟片进行预读取，预先完成碟片的加载工作。The circuit diagram of the disc loading device is shown in Figure 4. The disc loading device includes a disc loading rack, a disc loading tray, a laser head for disc reading, and a servo disc reading control system to realize disc loading and disc data reading. Pick. The data exchange between the SATA socket 2 of the disc loading device and the SATA socket 1 of the main control system is realized by means of a SATA cable, and the socket 1 is connected to the socket 2 . When the warehouse entry and exit control signal is transmitted to the disk loading device, the disk value device responds to the warehouse opening command sent from the control system, and executes the warehouse opening operation, and the operator loads disks to the tray of the disk loading device to complete the disk loading action , when the instruction about the bin is sent, the disc player responds to the quality of closing the bin, and the disc loading device pre-reads the disc to complete the loading work of the disc in advance.
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