CN101997963B - Power management method and system for portable communication device - Google Patents

Power management method and system for portable communication device Download PDF

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CN101997963B
CN101997963B CN200910161400XA CN200910161400A CN101997963B CN 101997963 B CN101997963 B CN 101997963B CN 200910161400X A CN200910161400X A CN 200910161400XA CN 200910161400 A CN200910161400 A CN 200910161400A CN 101997963 B CN101997963 B CN 101997963B
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communication processing
information process
process unit
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CN101997963A (en
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黄健智
陈志豪
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Beijing Xiaomi Mobile Software Co Ltd
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Inventec Appliances Corp
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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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses a power management method and a system of a portable communication device, wherein a communication processing unit and an information processing unit of the portable communication device are electrically connected through a universal serial bus interface and a universal input/output interface, and the power management system and the method carry out the following steps: transmitting a first instruction generated by the touch of a power key to the information processing unit; the information processing unit responds to the first instruction to send a sleep instruction to the communication processing unit through the universal input/output interface; then, the communication processing unit responds to the sleep command and closes the USB interface; in addition, the communication processing unit and the information processing unit enter a dormant state, so that the universal serial bus interface in the portable communication device in the dormant state does not consume power virtually any more.

Description

可携式通讯装置的电源管理方法以及系统Power management method and system for portable communication device

技术领域 technical field

本发明涉及一种电源管理方法，特别指可携式通讯装置的电源管理方法。The invention relates to a power management method, in particular to a power management method of a portable communication device.

背景技术 Background technique

目前的智能型移动电话(Smart Phone)，兼具有通讯以及数据处理的功能，因此为具有通讯处理单元以及数据处理单元的双核心行动电话，通讯处理单元用以支持通讯功能，数据处理单元用以支持软件以及操作系统等功能；彼此之间以一通用序列总线接口(Universal Serial Bus Interface；USB Interface)以及一通用型的输入输出接口(General Purpose I/O Interface；GPIO Interface)来互相连接(后续对应简称为USB接口及GPIO接口)。The current smart mobile phone (Smart Phone) has both communication and data processing functions, so it is a dual-core mobile phone with a communication processing unit and a data processing unit. The communication processing unit is used to support communication functions, and the data processing unit is used for To support functions such as software and operating system; they are connected to each other with a Universal Serial Bus Interface (USB Interface) and a general-purpose input and output interface (General Purpose I/O Interface; GPIO Interface) ( Subsequent correspondence is referred to as USB interface and GPIO interface for short).

使用时，通讯处理单元以及数据处理单元会通过USB接口及GPIO接口传送数据，USB接口用以在装置之间交换数据信号，GPIO接口的接脚可供使用者程控自由使用，接脚依现实考虑作为通用输入或通用输出或通用输入与输出。通讯处理单元以及数据处理单元运作时，USB接口会开启，当行动电话进入休眠状态时，虽然通讯处理单元以及数据处理单元皆会休眠，但USB接口却依然保持开启的状态。When in use, the communication processing unit and the data processing unit will transmit data through the USB interface and the GPIO interface. The USB interface is used to exchange data signals between devices. The pins of the GPIO interface can be freely used by the user for program control. The pins are based on actual considerations. As general-purpose input or general-purpose output or general-purpose input and output. When the communication processing unit and the data processing unit are in operation, the USB interface will be turned on. When the mobile phone enters the dormant state, although the communication processing unit and the data processing unit will both be dormant, the USB interface will still be turned on.

此时USB接口的开启，并没有传递数据信号的功用，却会不停地耗费电量，造成移动电话不必要的电力流失，缩短行动电话待机时间。At this time, the opening of the USB interface does not have the function of transmitting data signals, but it will consume electricity continuously, causing unnecessary power loss of the mobile phone and shortening the standby time of the mobile phone.

有鉴于此，本发明提出一种可携式通讯装置的电源管理方法及系统，能够有效地改进可携式通讯装置在休眠状态时，USB接口虚耗电的问题。In view of this, the present invention proposes a power management method and system for a portable communication device, which can effectively improve the power consumption problem of the USB interface when the portable communication device is in a dormant state.

发明内容 Contents of the invention

本发明的目的是提出一种可携式通讯装置的电源管理系统以及方法，其目的在于解决可携式通讯装置进入休眠状态后，USB接口会持续消耗可携式通讯装置电量的问题，造成可携式通讯装置电力不足，而使待机时间减短。The purpose of the present invention is to propose a power management system and method for a portable communication device, and its purpose is to solve the problem that the USB interface will continue to consume the power of the portable communication device after the portable communication device enters the dormant state, resulting in a The power shortage of the portable communication device shortens the standby time.

一种可携式通讯装置的电源管理系统以及方法，该可携式通讯装置具有通讯处理单元以及信息处理单元，该信息处理单元与该通讯处理单元通过通用序列总线接口(Universal Serial Bus Interface；USB Interface)以及通用型之输入输出接口(General Purpose I/O Interface；GPIO Interface)电性连接。A power management system and method for a portable communication device, the portable communication device has a communication processing unit and an information processing unit, the information processing unit and the communication processing unit are connected through a Universal Serial Bus Interface (USB) Interface) and general purpose I/O Interface (General Purpose I/O Interface; GPIO Interface) are electrically connected.

电源管理系统所实施的电源管理方法包括下列步骤：将一电源按键受触压所产生的第一指令传送给信息处理单元；信息处理单元响应第一指令，以通过GPIO接口发送休眠指令与通讯处理单元；后续，通讯处理单元响应休眠指令，会关闭USB接口，且通讯处理单元及信息处理单元进入休眠状态。The power management method implemented by the power management system includes the following steps: transmitting a first instruction generated by pressing a power button to the information processing unit; the information processing unit responds to the first instruction to send a sleep instruction and communication processing through the GPIO interface unit; subsequently, the communication processing unit will close the USB interface in response to the sleep command, and the communication processing unit and the information processing unit will enter a sleep state.

因此，依据本发明的电源管理系统以及方法，可以使可携式通讯装置进入休眠的时候，通过程序关闭USB接口，如此一来，可携式通讯装置休眠时，内部USB接口也会关闭，相对地，USB接口就不会耗费可携式通讯装置的电池电量，有效改善现有技术的缺点。Therefore, according to the power management system and method of the present invention, when the portable communication device enters sleep mode, the USB interface can be closed through the program. In this way, when the portable communication device sleeps, the internal USB interface will also be closed. Therefore, the USB interface will not consume the battery power of the portable communication device, which effectively improves the shortcomings of the prior art.

附图说明 Description of drawings

图1为本发明的可携式通讯装置的电源管理系统示意图；1 is a schematic diagram of a power management system of a portable communication device of the present invention;

图2为可携式通讯装置进入休眠状态的实施例示意图；2 is a schematic diagram of an embodiment of a portable communication device entering a dormant state;

图3为唤醒可携式通讯装置示意图；3 is a schematic diagram of waking up the portable communication device;

图4A为可携式通讯装置的电源管理系统休眠流程图；以及FIG. 4A is a sleep flow chart of the power management system of the portable communication device; and

图4B为可携式通讯装置的电源管理系统唤醒流程图。FIG. 4B is a flow chart of waking up the power management system of the portable communication device.

具体实施方式 Detailed ways

请参阅图1，其为本发明的可携式通讯装置1的电源管理系统实施例示意图。Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a power management system of a portable communication device 1 of the present invention.

电源管理系统包含有一电源按键11、一信息处理单元12、一通讯处理单元13、一通用型的输入输出接口(General Purpose I/O Interface；GPIO Interface)14，以及一通用序列总线接口(Universal Serial Bus Interface；USB Interface)15。The power management system includes a power button 11, an information processing unit 12, a communication processing unit 13, a general purpose I/O interface (General Purpose I/O Interface; GPIO Interface) 14, and a universal serial bus interface (Universal Serial Bus Interface; USB Interface) 15.

请参阅图2，其为可携式通讯装置1进入休眠状态的示意图，电源按键11设置于可携式通讯装置1上，由外部可触及，且向内与信息处理单元12电性连接；当电源按键11受到触压后，会产生一第一指令S1，并传送至信息处理单元12。Please refer to FIG. 2 , which is a schematic diagram of the portable communication device 1 entering the dormant state. The power button 11 is arranged on the portable communication device 1 , is accessible from the outside, and is electrically connected to the information processing unit 12 inwardly; After the power button 11 is pressed, a first instruction S1 is generated and sent to the information processing unit 12 .

信息处理单元12通过GPIO接口14以及USB接口15与通讯处理单元13电性连接。第一指令S1的执行会使得可携式通讯装置1进入休眠状态，在信息处理单元12进入休眠状态之前，信息处理单元12会对第一指令S1做出响应，也就是通过GPIO接口14传送一休眠指令S11至通讯处理单元13，通讯处理单元13会响应休眠指令S11而关闭USB接口15，当USB接口15关闭后，通讯处理单元13也会依据休眠指令S11进入休眠状态。此时，可携式通讯装置1处于休眠状态且USB接口15被关闭。The information processing unit 12 is electrically connected to the communication processing unit 13 through the GPIO interface 14 and the USB interface 15 . The execution of the first command S1 will cause the portable communication device 1 to enter the dormant state. Before the information processing unit 12 enters the dormant state, the information processing unit 12 will respond to the first command S1, that is, transmit a message through the GPIO interface 14. The sleep command S11 is sent to the communication processing unit 13, and the communication processing unit 13 will close the USB interface 15 in response to the sleep command S11. When the USB interface 15 is closed, the communication processing unit 13 will enter the sleep state according to the sleep command S11. At this point, the portable communication device 1 is in a sleep state and the USB interface 15 is turned off.

信息处理单元12可以在发送休眠指令S11后，随即进入休眠状态，或者等待USB接口15关闭后，信息处理单元12才进入休眠状态，信息处理单元12进入休眠状态的顺序可视需求而设定。The information processing unit 12 can enter the dormant state immediately after sending the dormancy instruction S11, or wait for the USB interface 15 to be closed before the information processing unit 12 enters the dormant state. The order in which the information processing unit 12 enters the dormant state can be set according to requirements.

请参阅图3，其为唤醒可携式通讯装置1的示意图，欲将可携式通讯装置1自休眠状态中唤醒时，使用者需再次按压电源按键11，电源按键11于可携式通讯装置1处休眠时受到触压，会产生一第二指令S2，第二指令S2是用以唤醒可携式通讯装置1。Please refer to FIG. 3, which is a schematic diagram of waking up the portable communication device 1. When the portable communication device 1 is to be woken up from the dormant state, the user needs to press the power button 11 again, and the power button 11 is on the portable communication device. When a point is pressed during sleep, a second command S2 will be generated, and the second command S2 is used to wake up the portable communication device 1 .

当第二指令S2传送至信息处理单元12，信息处理单元12便会被唤醒，接着，信息处理单元12为响应第二指令S2，会通过GPIO接口14发送一唤醒指令S21至通讯处理单元13，通讯处理单元13接收到唤醒指令S21后便会被唤醒，且通讯处理单元13响应唤醒指令S21，而进一步开启USB接口15。如此，整个可携式通讯装置1进入正常运作。When the second instruction S2 is sent to the information processing unit 12, the information processing unit 12 will be woken up, and then, in response to the second instruction S2, the information processing unit 12 will send a wakeup instruction S21 to the communication processing unit 13 through the GPIO interface 14, The communication processing unit 13 will be woken up after receiving the wake-up instruction S21, and the communication processing unit 13 will further open the USB interface 15 in response to the wake-up instruction S21. In this way, the entire portable communication device 1 enters normal operation.

请参阅图4A，其为本发明的可携式通讯装置1的电源管理系统休眠之流程图，步骤顺序说明如下：Please refer to FIG. 4A, which is a flow chart of the power management system sleep of the portable communication device 1 of the present invention, and the sequence of steps is described as follows:

步骤S101：传送电源按键受触压所产生的第一指令给信息处理单元。Step S101: Sending a first command generated by pressing the power button to the information processing unit.

步骤S102：信息处理单元响应该第一指令，通过GPIO接口发送一休眠指令至通讯处理单元。Step S102: the information processing unit responds to the first instruction, and sends a sleep instruction to the communication processing unit through the GPIO interface.

步骤S103：通讯处理单元响应休眠指令，关闭USB接口。Step S103: the communication processing unit responds to the dormancy instruction, and closes the USB interface.

步骤S104：通讯处理单元休眠。Step S104: the communication processing unit sleeps.

其中，上述流程还包括步骤S111：信息处理单元休眠。步骤S111可在完成步骤S102后执行，即步骤S102完成后，信息处理单元进入休眠状态。或者，步骤S111可在完成步骤S103后执行，即待步骤S103完成，USB接口关闭后，信息处理单元再进入休眠状态。以上信息处理单元进入休眠顺序可依需求而设定，于此不再赘述。Wherein, the above process further includes step S111: the information processing unit sleeps. Step S111 may be executed after step S102 is completed, that is, after step S102 is completed, the information processing unit enters a dormant state. Alternatively, step S111 may be executed after step S103 is completed, that is, after step S103 is completed and the USB interface is closed, the information processing unit enters the sleep state again. The order in which the above information processing units go into sleep can be set according to requirements, and will not be repeated here.

进一步请参阅图4B，其为可携式通讯装置1的电源管理系统唤醒流程图，步骤顺序说明如下：Further please refer to FIG. 4B , which is a flow chart of waking up the power management system of the portable communication device 1 , and the sequence of steps is described as follows:

步骤S201：传送电源按键受触压所产生的第二指令给信息处理单元。第二指令使信息处理单元被唤醒运作。Step S201: Sending a second instruction generated by pressing the power button to the information processing unit. The second instruction enables the information processing unit to wake up and operate.

步骤S202：信息处理单元被唤醒。Step S202: the information processing unit is woken up.

步骤S203：信息处理单元响应第二指令，通过GPIO接口发送一唤醒指令至通讯处理单元。唤醒指令系使通讯处理单元被唤醒运作。Step S203: the information processing unit responds to the second command, and sends a wake-up command to the communication processing unit through the GPIO interface. The wake-up command enables the communication processing unit to be woken up for operation.

步骤S204：通讯处理单元被唤醒。Step S204: the communication processing unit is woken up.

步骤S205：通讯处理单元响应唤醒指令，开启USB接口。Step S205: The communication processing unit responds to the wake-up command and turns on the USB interface.

通过上述本发明的实施例可知，本发明确具产业上的利用价值。惟以上的实施例说明，仅为本发明的较佳实施例说明，举凡所属技术领域中具有通常知识者当可依据本发明的上述实施例说明而作其它种种的改良及变化。然而这些依据本发明实施例所作的种种改良及变化，当仍属于本发明的发明精神及界定的权利范围内。It can be seen from the above embodiments of the present invention that the present invention has industrial application value. However, the above descriptions of the embodiments are only the descriptions of the preferred embodiments of the present invention, and those with ordinary knowledge in the technical field can make other various improvements and changes based on the above descriptions of the embodiments of the present invention. However, the various improvements and changes made according to the embodiments of the present invention should still fall within the spirit of the present invention and the defined scope of rights.

Claims (8)

1. the method for managing power supply of a portable communication device; This portable communication device has communication processing unit and information process unit; This information process unit and this communication processing unit electrically connect through universal sequential bus interface and universal IO interface; It is characterized in that this method for managing power supply comprises the following steps:
Power button is pressed first instruction that is produced sent to this information process unit;
This first instruction of this information process unit response is to send the dormancy instruction to this communication processing unit through this universal IO interface; And
This universal sequential bus interface is closed in this dormancy instruction of this communication processing unit response, and this communication processing unit and this information process unit entering dormant state.
2. method for managing power supply as claimed in claim 1 is characterized in that, after wherein this information process unit and this communication processing unit get into dormant state, further comprises the following steps:
Transmit this power button and pressed second instruction that is produced and give this information process unit, this second instruction makes this information process unit waken up running;
This second instruction of this information process unit response wakes instruction up to this communication processing unit to send through this universal IO interface;
This wakes instruction up makes this communication processing unit waken up running; And
This wakes instruction up this communication processing unit response, opens this universal sequential bus interface.
3. the method for managing power supply of a portable communication device; This portable communication device has communication processing unit and information process unit; This information process unit and this communication processing unit electrically connect through universal sequential bus interface and universal IO interface; It is characterized in that this method for managing power supply comprises the following steps:
Power button is pressed first instruction that is produced sent to this information process unit;
This first instruction of this information process unit response, to send the dormancy instruction through this universal IO interface to this communication processing unit, this information process unit gets into dormant state; And
This dormancy instruction of this communication processing unit response close this universal sequential bus interface, and this communication processing unit gets into dormant state.
4. method for managing power supply as claimed in claim 3 is characterized in that, after wherein this information process unit and this communication processing unit get into dormant state, further comprises the following steps:
Transmitting this power button is pressed second instruction that is produced and is given this information process unit;
This information process unit is waken up;
This second instruction of this information process unit response wakes instruction up to this communication processing unit to send through this universal IO interface;
This communication processing unit is waken up; And
This wakes instruction up this communication processing unit response, opens this universal sequential bus interface;
Wherein, this second instruction makes this information process unit waken up running, and this wakes instruction up makes this communication processing unit waken up running.
5. the power-supply management system of a portable communication device is characterized in that, this power-supply management system comprises:
Power button, this power button pressurized produce first instruction after touch;
Information process unit electrically connects this power button, to receive this first instruction;
Communication processing unit;
Universal IO interface and universal sequential bus interface;
This information process unit electrically connects communication processing unit through this universal IO interface and this universal sequential bus interface; This first instruction of this information process unit response is to send the dormancy instruction to this communication processing unit through this universal IO interface; This universal sequential bus interface is closed in this dormancy instruction of this communication processing unit response;
Wherein, after this universal sequential bus interface was closed, this communication processing unit can get into dormant state according to this dormancy instruction.
6. power-supply management system as claimed in claim 5 is characterized in that, wherein this information process unit gets into dormant state in sending this dormancy instruction back.
7. power-supply management system as claimed in claim 5 is characterized in that, wherein this information process unit gets into dormant state after this universal sequential bus interface is closed.
8. power-supply management system as claimed in claim 5 is characterized in that, after wherein this information process unit and this communication processing unit get into dormant state; This power button is more after being pressed; Produce second instruction and send this information process unit to, this second instruction makes this information process unit waken up running, this second instruction of this information process unit response; Wake instruction up to this communication processing unit to send through this universal IO interface; This wakes instruction up makes this communication processing unit waken up running, and this wakes instruction up this communication processing unit response, can open this universal sequential bus interface.
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