CN109117192B - Switching device capable of waking up standby machine and waking device - Google Patents
Switching device capable of waking up standby machine and waking device Download PDFInfo
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- CN109117192B CN109117192B CN201810765905.6A CN201810765905A CN109117192B CN 109117192 B CN109117192 B CN 109117192B CN 201810765905 A CN201810765905 A CN 201810765905A CN 109117192 B CN109117192 B CN 109117192B
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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Abstract
The invention provides a switching device and a wake-up device capable of waking up a standby machine, wherein the switching device is electrically connected with a first machine, and the switching device comprises: a first interface; the first detection module is electrically connected with the first machine; the first switch is electrically connected with the first detection module; if the first machine is in a standby state, the first interface is electrically connected with the first detection module, when the second machine is electrically connected to the first interface, the first detection module wakes up the first machine after detecting the second machine and controls the first switch to conduct the electrical connection between the first interface and the first machine so as to realize the electrical connection between the first machine and the second machine and carry out wired communication. The first detection module can automatically wake up the first machine, and is convenient to operate and simple to use.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a switching device and a wake-up device capable of waking up a standby machine.
Background
Currently used machines with USB type C, such as DFP (Downstream Facing Port) machines, UFP (Upstream Facing Port) machines, and drp (dual Role Port) machines, cannot supply power and transmit data to the outside in the standby state, and after the two machines are connected, neither machine has the function of automatically switching from the standby state to the working state, but needs to manually switch the two machines from the standby state to the working state.
As shown in fig. 1, a schematic diagram of a part of circuits when a conventional DFP machine and a UFP machine are connected, where the DFP machine and the UFP machine are both in a working state after being manually started, pull-up resistors Rp are provided on detection pins CC1 and CC2 of the DFP machine, and pull-down resistors Rd are provided on detection pins CC1 and CC2 of the UFP machine. When the DFP machine and the UFP machine are not connected, the power supply end V of the DFP machineBUSNo electric energy output; when the DFP machine is connected with the UFP machine, the power supply end V of the DFP machineBUSThe method includes the steps that electric energy can be output to a UFP machine, only one detection pin (CC1 or CC2) is communicated between a DFP machine and the UFP machine, the DFP machine determines whether the detection pin is connected with the UFP machine according to whether the detection pin of the DFP machine detects a pull-down resistor Rd in the UFP machine, for example, when the detection pin CC1 of the DFP machine detects the pull-down resistor Rd, it indicates that the detection pin CC1 of the DFP machine is connected with the detection pin CC1 of the UFP machine, and data can be transmitted between the DFP machine and the UFP machine.
In a word, only when the DFP machine and the UFP machine are both in working status, the DFP machine can detect the UFP machine, and the DFP machine and the UFP machine can transmit electric energy or data, which is inconvenient to operate.
Therefore, there is a need to design a new switching device capable of waking up the standby machine to overcome the above problems.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide a switching device capable of waking up a standby machine, which is capable of automatically waking up the standby machine when the standby machine is connected to another machine.
In order to achieve the above object, the present invention provides a switching device capable of waking up a standby machine, for waking up a first machine, the switching device being electrically connected to the first machine, the switching device comprising:
the first interface is used for electrically connecting the second machine table;
the first detection module is used for detecting the second machine station and is electrically connected with the first machine station; and
the first switcher is electrically connected with the first detection module, the first machine and the first interface respectively;
if the first machine is in a standby state, when the first detection module detects that the first interface is connected with the second machine, the first detection module wakes up the first machine and controls the first switcher to be electrically connected with the first interface and the first machine so as to realize that the first machine is electrically connected with the second machine and carries out data communication.
As an optional scheme, the first detecting module has a first control end, and the first machine includes a first micro-control unit having a first terminal electrically connected to the first control end.
Optionally, the first detecting module further has a second control terminal, the first switch has a first switch terminal, and the first switch terminal is electrically connected to the second control terminal.
Optionally, the first detection module further has a first set of terminals, and the first switch further has a second set of terminals, the second set of terminals being electrically connected to the first set of terminals.
Optionally, the first switch further has a third set of terminals, the first station includes a first USB Type C line having a fourth set of terminals, the fourth set of terminals being electrically connected to the third set of terminals.
Optionally, the first switch further has a fifth set of terminals, and the first interface has a sixth set of terminals electrically connected to the fifth set of terminals.
Optionally, when the first machine is in a standby state, the second set of terminals is electrically connected with the fifth set of terminals; the third set of terminals is electrically connected to the fifth set of terminals when the first station is in the operational state.
As an optional scheme, the first group of connection terminals to the sixth group of connection terminals include corresponding power supply terminals and detection pin terminals, and when the first machine is a DFP machine, a pull-up resistor is connected between the power supply terminals and the detection pin terminals in the first group of connection terminals; when the first machine is a UFP machine, a pull-down resistor is connected between the detection pin end in the first group of connection ends and a ground wire.
Optionally, the switching device is integrated in the first USB Type C line.
The invention also provides a wake-up device capable of waking up a standby machine station, which is used for waking up a first machine station and a second machine station, wherein the wake-up device comprises a first switching device and a second switching device, the first switching device is the switching device, namely the first switching device comprises a first interface, a first detection module and a first switch, and the first interface is used for being electrically connected with the second machine station;
the second switching device has the same circuit structure as the first switching device, the second switching device comprises a second interface, a second detection module and a second switcher, the circuit connection mode of the second interface, the second detection module and the second switcher is the same as the circuit connection mode of the first interface, the first detection module and the first switcher, and the second interface is used for electrically connecting the first machine;
when the first machine and the second machine are both in a standby state, the first interface is electrically connected with the first detection module, and the second interface is electrically connected with the second detection module.
As an optional scheme, when the first machine is a DFP machine and the second machine is a UFP machine, a first pull-up resistor is connected between a power supply terminal and a detection pin terminal in the first group of terminals of the first detection module, and a first pull-down resistor is connected between a detection pin terminal and a ground wire in the first group of terminals of the second detection module;
if the first machine station and the second machine station are both in a standby state, when the first interface is electrically connected with the second interface,
after the second detection module detects the first pull-up resistor, the second detection module outputs a first signal to the first detection module, and the first detection module wakes up the first machine after receiving the first signal and controls the first switch to conduct the electric connection between the first interface and the first machine;
after the first detection module detects the first pull-down resistor, the first detection module outputs a second signal to the second detection module, the second detection module wakes up the second machine after receiving the second signal and controls the second switcher to conduct the electric connection between the second interface and the second machine, so that the second machine is electrically connected with the first machine and carries out wired communication.
Compared with the prior art, the switching device capable of waking up the standby machine table can automatically wake up the first machine table through the first detection module without manual operation, so that the first machine table enters a working state, and the switching device is simple to operate and convenient to use.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
Fig. 1 is a schematic diagram of a part of a circuit of a conventional DFP apparatus and a UFP apparatus connected to each other;
FIG. 2 is a schematic diagram of a portion of a conventional DFP tool connected to a cable;
FIG. 3 is a schematic diagram of a portion of a circuit of a switch device capable of waking up a standby machine according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a portion of a circuit of a switching device capable of waking up a standby apparatus according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of a part of a circuit of a wake-up apparatus capable of waking up a standby machine according to the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
The present invention provides a switching device capable of waking up a standby machine, the switching device is used for waking up a first machine, as shown in fig. 3 and fig. 4, the switching device includes a first interface, a first detecting module and a first switch, the first detecting module is electrically connected with the first machine, the first switch is respectively connected with the first detecting module, the first machine and the first interface, and the first interface is used for electrically connecting a second machine.
When the first detection module detects that the first machine is in a working state, the first detection module controls the first switcher to electrically connect the first interface and the first machine, and when the first machine is switched from the working state to a standby state, the first detection module controls the first switcher to disconnect the electrical connection between the first interface and the first machine after detecting the standby state of the first machine, so that the first detection module replaces the first machine to detect whether the first interface is connected with the second machine, the working time of the first machine is shortened, and the service life of the first machine is prolonged.
When the first machine is in a standby state, if the second machine is electrically connected to the first interface, and the first detection module detects that the first interface is connected with the second machine, the first detection module wakes up the first machine and controls the first switcher to electrically connect the first interface and the first machine, so that the first machine and the second machine are electrically connected and perform data communication.
In the invention, the first machine comprises a first micro control unit and a first USB Type C circuit which are electrically connected, wherein the first micro control unit is provided with a first terminal a1, and the first USB Type C circuit is provided with a fourth group of terminals a 2; the first interface has a sixth group cable terminal b1 and a seventh group cable terminal b 2; the first detection module has a first control terminal c1, a second control terminal c2 and a first set of terminals c3, wherein the first control terminal c1 is electrically connected to the first terminal a1 of the first micro-control unit; the first switch has a first switch end d1, a second set of terminals d2, a third set of terminals d3 and a fifth set of terminals d4, the first switch end d1 is electrically connected to the second control end C2 of the first detection module, the second set of terminals d2 is electrically connected to the first set of terminals C3 of the first detection module, the third set of terminals d3 is electrically connected to the fourth set of terminals a2 of the first USB Type C circuit, and the fifth set of terminals d4 is electrically connected to the sixth terminal set b1 of the first interface.
In an embodiment, the first detecting module has a second micro-control unit and a peripheral circuit, the peripheral circuit has the first set of terminals C3, the peripheral circuit can be USB Type C circuit, or other peripheral circuit having a power supply terminal VBUSAnd circuitry to sense the pin terminals CC1 and CC 2. The second mcu has the first control terminal c1 and the second control terminal c2, and can identify whether the first machine is in a working state or in a standby state by the electrical connection relationship between the first control terminal c1 and the first terminal a1, and can control the state of the first machine according to the information detected by the peripheral circuits; the second mcu can control the connection relationship of the first switch circuit by the electrical connection relationship between the second control terminal c2 and the first switch terminal d1, and select the first switch to turn on or off the electrical connection between the first interface and the first machine according to the requirement.
When the first machine is in a standby state, the first detection module controls the first switch to disconnect the electrical connection between the first interface and the first machine, and at this time, the second set of terminals d2 of the first switch is electrically connected with the fifth set of terminals d 4; when the first machine is in the working state, the first detecting module controls the first switch to conduct the electrical connection between the first interface and the first machine, and at this time, the third set of terminals d3 of the first switch is electrically connected with the fifth set of terminals d 4.
In the invention, the first group of terminals c3, the second group of terminals d2, the third group of terminals d3 and the fourth group of terminalsThe terminal a2, the fifth group of terminals d4 and the sixth group of terminals b1 all include corresponding power supply terminals VBUSAnd sense pin terminals CC1 and CC 2. As shown in FIG. 3, when the first platform is a DFP platform, the power supply terminal V of the first set of terminals c3BUSAnd a detection pin terminal CC1 and a power supply terminal VBUSPull-up resistors Rp are connected between the detection pin terminals CC2, at this time, an interface of a first USB Type C line of the DFP board is a downlink port, and the DFP board can be used as a main device such as a mobile phone charger; as shown in fig. 4, when the first machine is a UFP machine, pull-down resistors Rd are connected between the detection pin terminal CC1 and the ground wire and between the detection pin terminal CC2 and the ground wire in the first group of terminals C3, an interface of the first USB Type C line of the UFP machine is an uplink port, and the UFP machine can be used as a slave device such as a USB disk.
In specific implementation, the switching device capable of waking up the standby machine can be integrated in the first USB Type C line of the first machine so as to make the line more orderly, and can also be connected with the first machine as an independent structure, so as to perform function expansion on a machine without the switching device.
Compared with the prior art, when the first machine is in a standby state, if the second machine and the related circuits thereof are electrically connected with the switching device of the invention through the first interface, the first detection module in the switching device can automatically wake up the first machine after detecting the pull-up resistor Rp or the pull-down resistor Rd in the second machine, so that the first machine is changed into a working state from the standby state.
When the conventional technology is applied, as shown in fig. 2, it is a partial schematic circuit diagram when an existing DFP machine is connected to a Cable, and when the existing DFP machine is connected to the Cable, as can be seen by comparing fig. 2 with fig. 1, if the internal resistance Rd in the Cable is the same or substantially the same as the resistance of the pull-down resistance Rd of the UFP machine in fig. 1, it may cause the existing DFP machine to falsely detect the Cable as a second machine, in order to solve the above problems, the present invention further provides a wake-up device capable of waking up a standby machine, where the wake-up device is used to wake up the first machine and the second machine, the wake-up device includes a first switching device and a second switching device, the first switching device is the switching device described above, that is, that the first switching device includes a first interface, a first detecting module and a first switch, and the first interface is used to electrically connect the second machine; the second switching device has the same circuit structure as the first switching device, the second switching device comprises a second interface, a second detection module and a second switcher, the circuit connection mode of the second interface, the second detection module and the second switcher is the same as the circuit connection mode of the first interface, the first detection module and the first switcher, and the second interface is used for being electrically connected with the first machine.
When the first machine and the second machine are both in a standby state, the first detection module controls the first switching device to disconnect the electric connection between the first machine and the first interface, and the second detection module controls the second switching device to disconnect the electric connection between the second machine and the second interface.
As shown in fig. 5, when the first machine is a DFP machine and the second machine is a UFP machine, the power supply terminal V of the first group of terminals c3 of the first detection moduleBUSAnd a detection pin terminal CC1 and a power supply terminal VBUSAnd a first pull-up resistor Rp is connected between the first detection pin terminal CC2, and a first pull-down resistor Rd is connected between the detection pin terminal CC1 and the ground wire and between the detection pin terminal CC2 and the ground wire in the first group of the terminal c 3' of the second detection module.
If the first machine and the second machine are both in a standby state, when the seventh group connection terminal b2 of the first interface is electrically connected with the seventh group connection terminal b 2' of the second interface, after the second detection module detects the first pull-up resistor Rp, the second detection module outputs a first signal to the first detection module, and after receiving the first signal, the first detection module wakes up the first machine and controls the first switch to conduct the electrical connection between the first interface and the first machine; after the first detection module detects the first pull-down resistor Rd, the first detection module outputs a second signal to the second detection module, and the second detection module wakes up the second machine after receiving the second signal and controls the second switcher to conduct the electric connection between the second interface and the second machine, so that the second machine is electrically connected with the first machine and performs wired communication.
In the specific implementation, the first detection module can be set to delay outputting the second signal, and the second signal is output after the first detection module receives the first signal and executes the relevant operation; or the first detection module is set to output the second signal when the first signal is not received after waiting for a period of time. This prevents the first signal and the second signal from being transmitted simultaneously, which may cause problems in signal transmission.
In addition, when the first machine is a UFP machine and the second machine is a DFP machine, the second pull-down resistor Rd is connected between the detection pin terminal CC1 and the ground wire of the first group of terminal c3 of the first detection module and between the detection pin terminal CC2 and the ground wire, and the power supply terminal V3 of the first group of terminal c3 of the second detection moduleBUSAnd a detection pin terminal CC1 and a power supply terminal VBUSAnd a second pull-up resistor Rp is connected between the detection pin terminal CC 2. The first machine station of this embodiment is equivalent to the second machine station in fig. 5, and the second machine station of this embodiment is equivalent to the first machine station in fig. 5, and the connection relationship and the signal transmission manner between the first machine station and the second machine station of this embodiment are similar to the connection relationship and the signal transmission manner between the second machine station and the first machine station in fig. 5, and therefore are not described in detail.
In summary, the switching device of the present invention can automatically wake up the first machine through the first detection module, and the first machine enters the working state without manual operation, so that the operation is simple and the use is convenient; the first detection module of the awakening device can send a signal to the second detection module to enable the second detection module to awaken the second machine, and the second detection module can send a signal to the first detection module to enable the first detection module to awaken the first machine, so that misjudgment action is prevented.
The above detailed description of the preferred embodiments is intended to more clearly illustrate the features and spirit of the present invention, and is not intended to limit the scope of the present invention by the preferred embodiments disclosed above. On the contrary, it is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims. The scope of the invention is therefore to be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the scope of the appended claims.
Claims (11)
1. The utility model provides a can awaken up auto-change over device of standby board, it is used for awakening up first board, and this auto-change over device is connected with this first board looks electricity, its characterized in that, this auto-change over device includes:
the first interface is used for electrically connecting the second machine table;
the first detection module is used for detecting the second machine station and is electrically connected with the first machine station; and
the first switcher is electrically connected with the first detection module, the first machine and the first interface respectively;
if the first machine is in a standby state, when the first detection module detects that the first interface is connected with the second machine, the first detection module wakes up the first machine and controls the first switcher to be electrically connected with the first interface and the first machine so as to realize that the first machine is electrically connected with the second machine and carries out data communication.
2. The apparatus of claim 1, wherein the first detecting module has a first control end, the first machine comprises a first micro-control unit having a first terminal electrically connected to the first control end.
3. The apparatus of claim 1, wherein the first detecting module further comprises a second control terminal, the first switch comprises a first switch terminal electrically connected to the second control terminal.
4. The switching device of claim 1, wherein the first detecting module further comprises a first set of terminals, the first switch further comprises a second set of terminals, and the second set of terminals is electrically connected to the first set of terminals.
5. The apparatus of claim 4, wherein the first switch further comprises a third set of terminals, the first platform comprises a first USB Type C line, the first USB Type C line comprises a fourth set of terminals, and the fourth set of terminals is electrically connected to the third set of terminals.
6. The apparatus of claim 5, wherein the first switch further comprises a fifth set of terminals, the first interface comprises a sixth set of terminals, and the sixth set of terminals is electrically connected to the fifth set of terminals.
7. The switching device of claim 6, wherein when the first device is in a standby state, the second set of terminals is electrically connected to the fifth set of terminals; the third set of terminals is electrically connected to the fifth set of terminals when the first station is in the operational state.
8. The apparatus of claim 6, wherein the first to sixth sets of terminals comprise power terminals and detection pin terminals, and when the first machine is a DFP machine, a pull-up resistor is connected between the power terminals and the detection pin terminals of the first set of terminals; when the first machine is a UFP machine, a pull-down resistor is connected between the detection pin end in the first group of connection ends and a ground wire.
9. The apparatus of claim 5, wherein the switching device is integrated into the first USB Type C line.
10. A wake-up device capable of waking up a standby machine, which is used for waking up a first machine and a second machine, wherein the wake-up device comprises a first switching device and a second switching device, the first switching device is the switching device according to any one of claims 1 to 9, that is, the first switching device comprises the first interface, the first detecting module and the first switch, the first interface is used for electrically connecting the second machine;
the second switching device has the same circuit structure as the first switching device, the second switching device comprises a second interface, a second detection module and a second switcher, the circuit connection mode of the second interface, the second detection module and the second switcher is the same as the circuit connection mode of the first interface, the first detection module and the first switcher, and the second interface is used for electrically connecting the first machine;
when the first machine and the second machine are both in a standby state, the first detection module controls the first switching device to disconnect the electrical connection between the first machine and the first interface, and the second detection module controls the second switching device to disconnect the electrical connection between the second machine and the second interface.
11. The apparatus as claimed in claim 10, wherein when the first machine is a DFP machine and the second machine is a UFP machine, a first pull-up resistor is connected between a power supply terminal and a detection pin terminal of the first set of terminals of the first detection module, and a first pull-down resistor is connected between a detection pin terminal and a ground terminal of the first set of terminals of the second detection module;
if the first machine station and the second machine station are both in a standby state, when the first interface is electrically connected with the second interface,
after the second detection module detects the first pull-up resistor, the second detection module outputs a first signal to the first detection module, and the first detection module wakes up the first machine after receiving the first signal and controls the first switch to conduct the electric connection between the first interface and the first machine;
after the first detection module detects the first pull-down resistor, the first detection module outputs a second signal to the second detection module, the second detection module wakes up the second machine after receiving the second signal and controls the second switcher to conduct the electric connection between the second interface and the second machine, so that the second machine is electrically connected with the first machine and carries out wired communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810765905.6A CN109117192B (en) | 2018-07-12 | 2018-07-12 | Switching device capable of waking up standby machine and waking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810765905.6A CN109117192B (en) | 2018-07-12 | 2018-07-12 | Switching device capable of waking up standby machine and waking device |
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| CN109117192B true CN109117192B (en) | 2021-07-30 |
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| CN112783559B (en) * | 2020-12-30 | 2021-11-05 | 广州朗国电子科技有限公司 | Control circuit and method based on USB-C awakening all-in-one machine and all-in-one machine |
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| CN100458691C (en) * | 2005-10-21 | 2009-02-04 | 神基科技股份有限公司 | A method of quickly starting and executing computer multimedia playing from readiness mode |
| US7926072B2 (en) * | 2007-10-01 | 2011-04-12 | Spring Design Co. Ltd. | Application programming interface for providing native and non-native display utility |
| WO2015101397A1 (en) * | 2013-12-30 | 2015-07-09 | Arcelik Anonim Sirketi | Stabd-by power management in an imade display device having wake-on-lan function |
| CN105354044B (en) * | 2014-08-21 | 2018-11-13 | 阿里巴巴集团控股有限公司 | A kind of application awakening method and device |
| KR20170006947A (en) * | 2015-07-10 | 2017-01-18 | 에스프린팅솔루션 주식회사 | Device and method for printing with communication service |
| CN105630724B (en) * | 2016-01-27 | 2017-03-15 | 深圳慧能泰半导体科技有限公司 | A kind of USB Type C system control circuits |
| CN106413062A (en) * | 2016-04-01 | 2017-02-15 | 努比亚技术有限公司 | User equipment and sleep wake-up method |
| CN206363301U (en) * | 2016-12-29 | 2017-07-28 | 珠海市一微半导体有限公司 | The TYPE_C interface protocol chips of super low-power consumption |
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