CN102053941B - Portable device with reciprocating detection terminal and detection control method thereof - Google Patents

Abstract

The connector position is provided with a detection terminal, when the portable device is inserted into a host system, the detection terminal is pushed to generate signal change, so that a controller in the portable device executes a device instruction according to the signal change. Or when the portable device is pulled out from the host system, the detection terminal is pushed to generate a signal change until the portable device is completely separated from the host system, and the controller executes another set device command by utilizing the time of several milliseconds, so that the portable device has more diversified computer control and a power-off protection mechanism for providing data transmission.

Description

Portable device with reciprocating detection terminal and detection control method thereof

technical field

The present invention relates to a portable device and a system control method, in particular to a portable device with an insertion/extraction detection terminal, when the detection terminal is actuated, a custom command is executed and aimed at A control method performed by plugging/unplugging a portable device. the

Background technique

After the portable device on the market is connected with a host system such as a personal computer, data transmission and storage between the portable device and the host system can be performed. Taking a universal serial bus (USB) storage device as an example, its hot-swappable feature on the host system makes the USB storage device used as an external portable storage device widely used. Usually, for such an external storage device, the host system can use a specific device removal program to stop all future memory write operations, so as to ensure that the external storage device is removed from the host system under a safe and stable condition. However, in many use cases, USB storage devices are often removed from the host system without warning. If there is still data being transferred between the host system and the USB storage device at this time, this sudden removal operation often causes The data in it is lost or damaged, and in more serious cases, the files in the host system or USB storage device may be damaged and become unusable. the

Contents of the invention

The embodiment of the invention discloses a portable device with a reciprocating detection terminal. The portable device can be electrically connected with a first connector of a host system along a first direction to perform data transmission with the host system, and the first connector has an actuation end. The portable device includes a second connector, a reciprocating detection terminal and a controller. The second connector cooperates with the first connector to electrically connect the portable device to the host system. The reciprocating detection terminal is disposed at the second connector and used for being actuated by the actuating end to generate a control signal. The reciprocating detection terminal is electrically connected to the controller, and the controller executes a device instruction when receiving the control signal generated by the reciprocating detection terminal. Wherein the portable device is a universal serial bus (universal serial bus, USB) device, and the first connector is a USB female seat. the

Embodiments of the present invention also disclose a method for detecting the plugging and unplugging of a portable device and a host system and executing a control command, wherein a portable device can be electrically connected to a first connector of a host system along a first direction Connected for data transmission with the host system, the first connector has an actuating end. The method includes the following steps: when a second connector of the portable device is plugged and unplugged from the first connector of the host system along the first direction, a reciprocating detection terminal of the portable device is affected by the The actuating end is actuated to generate a control signal; and a controller of the portable device executes a device instruction when receiving the control signal generated by the reciprocating detection terminal. The portable device is a universal serial bus (USB) device, and the first connector is a USB socket. the

Description of drawings

FIG. 1 is a schematic block diagram of a first embodiment of a portable device with a reciprocating detection terminal connected to a host system according to the present invention. the

FIG. 2 is a schematic diagram of a reciprocating detection terminal and a connector of a portable device. the

FIG. 3 is a schematic diagram of a connector connecting a portable device to a host system. the

FIG. 4 is a schematic block diagram of a second embodiment of a portable device connected to a host system. the

FIG. 5 is a partial schematic view of a connector of a third embodiment of the portable device connected to the host system. the

FIG. 6 is a flowchart of a method for executing device commands when a portable device is plugged into a host system. the

FIG. 7 is a flowchart of a method for executing device commands when the portable device is unplugged from the host system. the

[Description of main component labels]

10, 30, 50 portable device 11, 31, 51 second connector

12, 32, 52 reciprocating detection terminals 13, 33 controllers

20, 40 host system 21, 41 first connector

34 power supply module 35, 45 audio module

36, 46 display module 37 storage unit

111 power supply terminal 112 grounding terminal

113D+ terminal                           114D-terminal

211, 212 actuating end 100, 200 control method

Steps 102, 104, 202～207

Detailed ways

The present invention uses a reciprocating detection terminal that can sense insertion or extraction on one side or the inner side of the connector of the portable device to prompt the controller of the portable device that the device is being plugged in and out, and according to respond accordingly. the

Please refer to FIG. 1 , which is a schematic diagram of a first embodiment of a portable device 10 electrically connected to a host system 20 . The portable device 10 can be a storage device with hot-swappable capabilities such as a universal serial bus (USB) interface, an IEEE 1394 interface, an external device, a portable disk, an MP3 player, etc., and it at least includes a second The connector 11 , a reciprocating detection terminal 12 and a controller 13 , wherein both the second connector 11 and the reciprocating detection terminal 12 are electrically connected to the controller 13 . The host system 20 can be a personal computer, a workstation, a notebook computer, or a portable device with an expansion connection slot, and includes at least one first connector 21 . The portable device 10 is electrically connected to the first connector 21 of the host system 20 through the second connector 11, and the first connector 21 and the second connector 11 can be USB interface A type (or B Type), IEEE The 1394 interface or other connector interfaces applied to external devices are male and female connectors that cooperate with each other. When the portable device 10 is electrically connected to the host system 20 through the second connector 11 and the first connector 21 of the host system 20 for data transmission, the first connector 21 of the host system 20 is actuated mechanically. The reciprocating detection terminal 12 of the portable device 10 is moved to generate a control signal, and the control signal can have different effects according to the design requirements of the portable device. the

As shown in FIG. 2 , it is a schematic diagram of the second connector 11 and the reciprocating detection terminal 12 of the portable device 10 . As shown in the figure, the second connector 11 is illustrated by a USB A Type male connector, which has a power terminal 111, a ground terminal 112, and data terminals (including a D+ terminal 113 and a D- terminal 114). The configuration and function are set according to the USB standard. The reciprocating detection terminal 12 is disposed on one side of the second connector 11 . Please refer to FIG. 3 together. FIG. 3 is a schematic view of the first embodiment of the portable device 10 connected to the first connector 21 of the host system 20 . In this embodiment, the reciprocating detection terminal 12 is a reciprocating elastic button (in other embodiments, the reciprocating detection terminal 12 can also be an annular shell of the portable device 10), when the portable device 10 Installed on the first connector 21 of the host system 10 along the I direction, the power terminal 111, the ground terminal 112, the D+ terminal 113 and the D- terminal 114 of the portable device 10 are connected to the first connector 21 respectively. The terminals (not shown in the figure) are electrically connected to establish an external connection between the portable device 10 and the host system 20 . The actuating end 211 on the first connector 21 (which may be a protruding end on the first connector 21 or a part of the housing of the host system 20 ) contacts and actuates the reciprocating detection terminal 12 and generates a control signal. the

Please refer to FIG. 4, which is a schematic block diagram of a second embodiment of a portable device 30 connected to a host system 40. Wherein the portable device 30 can optionally include a power supply module 34, an audio module 35, a display module 36 and a The storage unit 37 and the power module 34 can be an internal power source (rechargeable battery or solar cell) of the portable device 30 or a power module that provides power externally. The host system 40 may optionally include an audio module 45 and a display module 46 in addition to a first connector 41 . The connection relationship between the second connector 31 , the reciprocating detection terminal 32 and the first connector 41 is similar to that of the first embodiment shown in FIG. 1 . the

Please refer to the portable device 10 in FIG. 2 and the portable device 30 in FIG. 4 together. In order to use the plugging behavior of the portable device 10, 40 relative to the host system 20, 40 to establish a data protection mechanism for the portable device 10, 40, or to use the portable device 10, 40 to perform more diverse computer For control and safety measures, the reciprocating detection terminals 12, 32 extend along the direction I to one side of the second connector 11, 31 with a length not less than a standard length of the connector. For example, after the male and female joints of the USB connectors are connected, the minimum distance between the USB male and female seats is 2.67 mm, so the reciprocating detection terminals 12, 32 extend along the I direction to one side of the second connector 11, 31. side, and its length L is not less than 2.67 mm (or preferably, slightly greater than 2.67 mm), and the reciprocating detection terminal 12, 32 is a reciprocating button that can be pushed, so when the second connector 11, 31 along When the I direction is installed on the first connector 21, 41, the actuating end 211 of the first connector 21, 41 will contact and push the reciprocating detection terminal 12, 32 so that the reciprocating detection terminal 12, 32 generates a control signal. At the stage of inserting the portable device 10, 30 into the host system 20, 40, the controller 13, 33 may receive the control signal (for example, in the form of a general purpose I/O (GPIO) sent to the controller 13, 33) to execute a preset device command, for example, the power supply source of the portable device 10, 30 can be switched from the power module 34 in the device to the host system 20, 40 (via the power terminal 111 , a ground terminal 112 provides power supply) to save the power of the power module 34 of the portable device 10,30. the

The foregoing is an application of one embodiment of the present invention. In other embodiments, the reciprocating detection terminals 12 and 32 can also be set to generate the control signal when they stop being pushed by the actuating end 211 . For example, when the second connector 11, 31 intends to be pulled out from the first connector 21, 41 of the host system 20, 40 along the direction opposite to the I direction, the actuating end 211 of the first connector 21, 41 will first Stop pushing the reciprocating detection terminals 12, 32 (the reciprocating detection terminals 12, 32 are reciprocating buttons, so they will return to the state of not being pushed as shown in Figure 2), because the power terminal 111, the ground terminal 112, the D+ terminal 113 and the D- The terminal 114 has a longer length relative to the reciprocating detection terminal 12, 32 along the direction I of the second connector 11, 31 (preferably, the end of the reciprocating detection terminal 12, 32 is connected to the power terminal 111 and the grounding terminal 112. The distance difference D of the ends complies with the minimum distance of the USB specification, that is, D is at least 4.2 mm, and the distance difference R between the ends of the reciprocating detection terminals 12 and 32 and the ends of the D+ terminal 113 and the D- terminal 114 complies with the minimum distance of the USB specification , that is, R is at least 3.2 millimeters), the reciprocating detection terminals 12, 32 generate the control signal until the portable device 10, 30 is powered off (that is, the second connector 11, 31 is completely separated from the first connector 21, 41) Or stop data transmission (that is, the first connector 21,41 and the data terminal of the second connector 11,31 on-line interruption) have several milliseconds time, at this moment, when the controller 13,33 receives the control signal, execute A pre-set device command, such as (1) end the background execution program of the portable device 10, 30, and stop the transmission of data between the portable device 10, 30 and the host system 20, 40 in a standard interrupt mode , processing, so that the data damage caused by the sudden unplugging of the portable device 10, 30 can be avoided; (3) control the host system 20, 40 to shut down or perform other specific notifications or controls, for example, the technology disclosed in the present invention can set the portable device 10, 30 as a host The operation inspection tool of the system 20, 40, when the portable device 10, 30 is connected to the host system 20, 40, the host system 20, 40 can operate normally, when the portable device 10, 30 is pulled out of the host system 20, 40, then the host system 20, 40 will automatically shut down (for example, the portable device 10, 30 can send a forced shutdown command to the host system 20, 40); (4) also can control the portable device 10, 30 or The audio module 35,45 of the host system 20,40 emits a sound, or controls the display module 36,46 of the portable device 10,30 or the host system 20,40 to display a signal to notify the user that the portable device 10,30 is automatically activated. Machine system 20, 40 is removed. the

In addition, as shown in FIG. 5, the reciprocating detection terminal 52 of the portable device 50 can also be directly arranged inside the second connector 51. When the second connector 51 is combined with the first connector 21, the first connection The port of the device 21 is used as the actuating end 212 to push the reciprocating detection terminal 52 to generate a signal change, which can also achieve the aforementioned effects. The reciprocating detection terminals 12, 32 directly transmit signal changes to the controllers 13, 33 by means of GPIO wiring, which can provide a simple application result of the present invention without changing the internal circuit of the device too much. the

Please refer to FIG. 6, which is a flowchart of a method 100 for executing device instructions when the portable device 30 is inserted into the host system 40, which mainly consists of the following steps:

Step 102: When the portable device 30 is inserted into the host system 40, the reciprocating detection terminal 32 is pushed by the actuating ends 211, 212 to generate the control signal; Step 104: Switch the portable device 30 from the power supply module 34 to Power is supplied by the host system 40 . the

In other words, when the portable device 30 is plugged into the host system 40, the portable device 30 is powered by the host system 40, so as to save the power consumed by the power module 34 of the portable device 30, which can prolong the operation of the portable device 30 independently. Power life in use. the

Please refer to FIG. 7 , which is a flowchart of a method 200 for executing device instructions when the portable device 30 is pulled out from the host system 40, which mainly consists of the following steps:

Step 202: When the portable device 30 is pulled out from the host system 40, the reciprocating detection terminal 32 stops being pushed by the actuating ends 211, 212 to generate the control signal. When the controller 33 of the portable device 30 receives the control signal generated by the detection terminal 32, it can design and execute corresponding device commands according to different requirements. For example, step 203: end the background execution program of the portable device 30, step 204: start the power module 34 to supply power to the portable device 30, step 205: control the shutdown of the host system 40, step 206: control the portable device 30 or the host The audio modules 35 , 45 of the system 40 make sounds, and step 207 : control the display modules 36 , 46 of the portable device 10 or the host system 40 to display signals and the like. the

The portable device disclosed in the present invention uses a reciprocating detection terminal (preferably an elastic button) at the connector position. When the portable device is inserted into a host system, the elastic button is pushed to generate a signal Change, so that the controller in the portable device executes a device command accordingly. When the portable device is unplugged from the host system, the elastic button stops being pushed to generate a signal change until the portable device is completely separated from the host system, and the controller uses this few milliseconds to execute the pre-set device command, so that the portable Type devices have more diverse computer controls and provide power-off protection mechanisms for data transmission. the

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention. the

Claims (25)

1. the portable apparatus with reciprocating type detection terminal is used for electrically connecting to carry out data transmission with this host computer system along first connector of first direction and host computer system, and this first connector has actuation ends, and this portable apparatus comprises:

Second connector cooperates with this first connector to make this portable apparatus be electrically connected at this host computer system;

Reciprocating type detection terminal is arranged at this second connector place, is used for receiving this actuation ends to activate to produce control signal; And

Controller, this reciprocating type detection terminal and this controller electrically connect, and this controller is when receiving this control signal of this reciprocating type detection terminal generation, and actuating unit instructs;

Wherein this portable apparatus is a universal serial bus USB device, and this first connector is the female seat of USB.

2. portable apparatus according to claim 1, wherein this actuation ends is a jag or the housing of this host computer system on this first connector.

3. portable apparatus according to claim 1, wherein this second connector includes power supply terminal and ground terminal, and this reciprocating type detection terminal and this power supply terminal and this ground terminal are not less than the distance of USB standard along the range difference of this first direction.

4. portable apparatus according to claim 3, wherein this reciprocating type detection terminal and this power supply terminal and this ground terminal are not less than 4.2 millimeters along the range difference of this first direction.

5. portable apparatus according to claim 1, wherein this second connector includes data terminal, and this reciprocating type detection terminal and this data terminal are not less than the distance of USB standard along the range difference of this first direction.

6. portable apparatus according to claim 5, wherein this reciprocating type detection terminal and this data terminal are not less than 3.2 millimeters along the range difference of this first direction.

7. portable apparatus according to claim 1, wherein this reciprocating type detection terminal is through promoted to produce this control signal by this actuation ends.

8. portable apparatus according to claim 7 also comprises power module, and this device instruction is for switching to this portable apparatus by this host computer system power supply by this power module power supply.

9. portable apparatus according to claim 1, wherein this reciprocating type detection terminal stops to promote this reciprocating type detection terminal to produce this control signal through this actuation ends.

10. portable apparatus according to claim 9, wherein the instruction of this device is one of following instruction: finish this portable apparatus the background executive routine, start this portable apparatus power supply of this portable apparatus one electric power source pair of module, control this host computer system shutdown, the audio-frequency module of controlling this portable apparatus or this host computer system sends the sound, control the display module shows signal of this portable apparatus or this host computer system.

11. portable apparatus according to claim 1, wherein this control signal is that signal is gone in general output.

12. portable apparatus according to claim 1, wherein this reciprocating type detection terminal circular shell that is button or this portable apparatus.

13. portable apparatus according to claim 1, wherein this reciprocating type detection terminal extends this second connector, one side and is no less than the distance of USB standard along the length of this first direction.

14. portable apparatus according to claim 13, wherein this reciprocating type detection terminal extends this second connector, one side and is no less than 2.67 millimeters along the length of this first direction.

15. portable apparatus according to claim 1, wherein this actuation ends is the housing of the female seat of this USB.

16. one kind is detected the plug of portable apparatus and host computer system and carries out the method for control command; Wherein portable apparatus can electrically connect along first connector of first direction and host computer system to carry out data transmission with this host computer system; This first connector has consistent moved end, and this method comprises the following step:

When second connector of this portable apparatus during along this first connector plug of this first direction and this host computer system, the reciprocating type detection terminal of this portable apparatus is activated to produce control signal by this actuation ends; And

The controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and actuating unit instructs;

Wherein this portable apparatus is a universal serial bus USB device, and this first connector is the female seat of USB.

17. method according to claim 16, wherein this reciprocating type detection terminal receives this actuation ends actuating to produce control signal to be: this reciprocating type detection terminal promotes to produce this control signal through receiving this actuation ends.

18. method according to claim 17; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: this portable apparatus is switched to by this host computer system power supply by the power module power supply.

19. method according to claim 16, wherein this reciprocating type detection terminal receives this actuation ends actuating to produce control signal to be: this reciprocating type detection terminal stops to promote this reciprocating type detection terminal to produce this control signal through this actuation ends.

20. method according to claim 19, wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: the background executive routine that finishes this portable apparatus.

21. method according to claim 19; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: start this portable apparatus power supply of this portable apparatus one electric power source pair of module.

22. method according to claim 19, wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: control this host computer system shutdown.

23. method according to claim 19; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: the audio-frequency module of controlling this portable apparatus or this host computer system sends the sound.

24. method according to claim 19; Wherein the controller of this portable apparatus is when receiving this control signal of this reciprocating type detection terminal generation, and the actuating unit instruction comprises step: the display module shows signal of controlling this portable apparatus or this host computer system.

25. method according to claim 16, wherein this reciprocating type detection terminal is activated to produce this control signal by the housing of the female seat of this USB.

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