CN105373422A - Method for controlling terminal device to enter downloading mode, terminal device and computer device - Google Patents
Method for controlling terminal device to enter downloading mode, terminal device and computer device Download PDFInfo
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- CN105373422A CN105373422A CN201410438532.3A CN201410438532A CN105373422A CN 105373422 A CN105373422 A CN 105373422A CN 201410438532 A CN201410438532 A CN 201410438532A CN 105373422 A CN105373422 A CN 105373422A
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Abstract
The invention provides a method for controlling a terminal device to enter a downloading mode, the terminal device and a computer device. The method comprises: when the terminal device is connected to a computer, forming a first virtual serial communication port in the computer; receiving a first command sent by the computer through the first virtual serial communication port; and based on the first command, controlling the terminal device to enter the downloading mode. According to the method, the terminal device can enter the downloading mode in a software control mode after a complete machine is formed.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of control terminal and enter the method for downloading mode, terminal device and computer equipment.
Background technology
In the production run of the communication terminal device such as data card, mobile phone, usually need to download software to terminal device, generally connect computing machine and terminal device realization download by data line.The method that common control terminal enters downloading mode has following two kinds.First kind of way is, realizes downloading software by conventional data serial bus interface (USB, UniversalSerialBus).When downloading software, first connect terminal device and computing machine by USB, then by the mode of hardware jumper or fixture thimble, on the baseband chip of terminal device is controlled pin ground connection, this control pin voltage is dragged down, and terminal device detects that when electrifying startup this pin voltage just enters downloading mode after being dragged down.After entering downloading mode, in computer equipment manager device, can serial ports be fictionalized, download tool by this serial ports fictionalized software download in terminal device.Another kind of mode comprises by judging on terminal device, whether a certain specific button is pressed, and determines whether terminal device enters downloading mode.Usually the second way is adopted to carry out software download or upgrading after complete machine dressed up by terminal device.
Some terminal device (as data card etc.) small volume, purposes is single, does not usually have button or other exercisable hardware after dressing up complete machine, so the mode of above-mentioned hardware controls cannot be adopted to enter downloading mode.
Summary of the invention
The problem that the present invention solves is: provide a kind of method that control terminal enters downloading mode, make terminal device can enter downloading mode by the mode of software control after dressing up complete machine.
Embodiments provide a kind of method that control terminal enters downloading mode, comprising: after terminal device is connected to computing machine, described computing machine fictionalizes the first COM port; Receive the first order that described computing machine is sent by described first COM port; And based on described first order, control described terminal device and enter downloading mode.
Optionally, described method also comprises: after receiving first order of described computing machine by described first COM port transmission, based on zone bit preset in the described terminal device of described first order amendment.
Alternatively, described zone bit is arranged in the storage area of described terminal device.
Alternatively, described zone bit, for identifying the pattern of described terminal device, when described zone bit is the first numerical value, represents described terminal device and is in normal boot-strap pattern, when described zone bit is second value, represents described terminal device and enters downloading mode.
Alternatively, described terminal device enters downloading mode and comprises: computationally fictionalize the second COM port, and software is downloaded to described terminal device through described second COM port.
Alternatively, described method also comprises: receive the second order that described computing machine is sent by described second COM port, based on the described zone bit of described second order amendment.
The embodiment of the present invention additionally provides a kind of method that control terminal enters downloading mode, comprise: when after COMPUTER DETECTION to the first COM port, send the first order to terminal device by described first COM port, described first order enters downloading mode for controlling described terminal device.
Alternatively, described method also comprises: after the second COM port being detected, downloads software to described terminal device by described second COM port.
Alternatively, described method also comprises: when described software download is complete, sends the second order to described terminal device by described second COM port, and described second order revises zone bit preset in described terminal device for controlling described terminal device.
The embodiment of the present invention additionally provides a kind of terminal device, comprising: port generating unit, for after terminal device is connected to computing machine, described computing machine fictionalizes the first COM port; Receiving element, for receiving the first order that described computing machine is sent by described first COM port; And control module, for according to described first order, control described terminal device and enter downloading mode.
Optionally, described control module also for: based on described first order, revise zone bit preset in described terminal device.
Alternatively, described terminal device also comprises storage unit, for storing described zone bit.
Alternatively, described zone bit, for identifying the pattern of described terminal device, when described zone bit is the first numerical value, represents described terminal device and is in normal boot-strap pattern, when described zone bit is second value, represents described terminal device and enters downloading mode.
Alternatively, described port generating unit also for: fictionalize the second COM port on computers, described second COM port is used for software download to described terminal device.
Alternatively, described receiving element is also for receiving the second order that described computing machine is sent by described second COM port, and described control module is also for revising described zone bit based on described second order.
Whether the embodiment of the present invention additionally provides a kind of computer equipment, comprising: detecting unit, have COM port to generate on detection computations machine; And transmitting element, after the first COM port being detected when detecting unit, by described first COM port, the first order is sent to terminal device, described first order enters downloading mode for controlling described terminal device.
Alternatively, described computer equipment also comprises: download unit, for after described detecting unit detects the second COM port, downloads software to described terminal device by described second COM port.
Alternatively, described transmitting element also for: when download unit completes the download of described software, by described second COM port, the second order is sent to described terminal device, described second order revises zone bit preset in described terminal device for controlling described terminal device.
Compared with prior art, technical scheme of the present invention has the following advantages:
Control terminal provided by the invention enters the method for downloading mode, by forming virtual COM port, realizing the order that receiving computer sends, making terminal device enter downloading mode based on described order.Method provided by the invention enters downloading mode by the mode control terminal of software, solves the problem that cannot be entered downloading mode after complete machine dressed up by some terminal devices by hardware mode.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that in one embodiment of the invention, control terminal enters the method for downloading mode;
Fig. 2 is the structured flowchart of terminal device in one embodiment of the invention; And
Fig. 3 is the structured flowchart of one embodiment of the invention Computer equipment.
Embodiment
Sayed as background technology, in prior art, usually adopted hardware controlling method to make terminal device enter downloading mode, these methods be not suitable for dress up complete machine after there is no the terminal device of button or other exercisable hardware.Embodiments provide a kind of method being entered downloading mode by software mode control terminal.
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
Show with reference to figure 1, Fig. 1 the process flow diagram that control terminal in one embodiment of the invention enters the method for downloading mode, described method comprises:
Step S101, after terminal device is connected to computing machine, described computing machine fictionalizes the first COM port;
Step S103, when after described COMPUTER DETECTION to described first COM port, sends the first order to described terminal device by described first COM port;
Step S105, described terminal device receives described first order that described computing machine sends, and based on described first order, revises zone bit preset in described terminal device, make described terminal device enter downloading mode;
Step S107, described terminal device fictionalizes the second COM port on described computing machine;
Step S109, when after described COMPUTER DETECTION to described second COM port, downloads software to described terminal device by described second COM port;
Step S111, when described software download is complete, described computing machine sends the second order to described terminal device by described second COM port; And
Step S113, described terminal device receives described second order, and based on the described zone bit in the described terminal device of described second order amendment.
Below above-described embodiment is described in detail.
First, perform step S101, after terminal device is connected to computing machine, described computing machine fictionalizes the first COM port.
In certain embodiments, described terminal device can be data card or mobile phone etc., and described terminal device can be connected to described computing machine by USB (universal serial bus) (USB, UniversalSerialBus).In the present embodiment, described terminal device is data card.Described data card is powered by USB, after it is connected to computing machine by USB, achieves Auto Power On.After start, described terminal device can fictionalize the first COM port in the equipment manager of computing machine, and computing machine described in subsequent process can send corresponding order to described data card by described first COM port.
Then, perform step S103, when after COMPUTER DETECTION to described first COM port, send the first order to described terminal device by described first COM port.
In certain embodiments, described first order is sent by download tool.Described download tool is a kind of Software tool sending order to described terminal device be installed on described computing machine.Described first order can be the order of AT (Attetion) order or other types.
Then, perform step S105, described terminal device receives the first order that described computing machine sends, and based on described first order, revises zone bit preset in described terminal device, make described terminal device enter downloading mode.
In certain embodiments, described zone bit is set in advance in the storage area of described terminal device, for identifying the pattern of described terminal device.In the present embodiment, described storage area can be the nonvolatile memory (NVRAM, non-volatilememory) in terminal device.
The value of described zone bit comprises the first numerical value and second value.When for the first numerical value, represent described terminal device and be in normal boot-strap state.When for second value, represent described terminal device and enter downloading mode.The initial value of described zone bit is the first numerical value.Revise described terminal device and be revised as described second value by described first numerical value.When described terminal device detects that described zone bit becomes described second value, then enter downloading mode.
In the present embodiment, described first numerical value and described second value are respectively 0 and 1.
In certain embodiments, step 105 also can be: described terminal device receives the first order that described computing machine sends, and based on described first order, controls described terminal device and enters downloading mode.Namely not needing to arrange and dirty bit in terminal device, directly by receiving the order from computing machine, can enter downloading mode by control terminal yet.
Then, perform step S107, described terminal device fictionalizes the second COM port on described computing machine.
Described second COM port is download port, and computing machine described in subsequent process can by described second COM port by software download extremely described terminal device.
Then, perform step S109, when after described COMPUTER DETECTION to described second COM port, download software to described terminal device by described second COM port.
In certain embodiments, described software is need in production run to be downloaded to the software in described terminal device.As described in step S103, described software can be downloaded to described terminal device by the download tool be arranged on described computing machine.
Then, perform step S111, when described software download is complete, described computing machine sends the second order to described terminal device by described second COM port.
In certain embodiments, when described download tool detects that described software download is complete, described download tool sends the second order to described terminal device by described second COM port, and described second order is for controlling the described preset zone bit of described terminal device amendment.
In certain embodiments, described second order can be the order of AT order or other type.
Then, perform step S113, described terminal device receives described second order, and based on the described zone bit in the described terminal device of described second order amendment.
In certain embodiments, described zone bit, based on described second order received, is revised as described first numerical value by described second value by described terminal device.Like this, power on next time start time, the pattern of described terminal device is normal boot-strap pattern.
If in the downloading process of software, there is the situation of failed download, so terminal device can be reconnected to computing machine, because described zone bit is still second value, namely described terminal device is still in downloading mode, so the terminal device after reconnecting directly can enter downloading mode and carry out software download.
In addition, the embodiment of the present invention also provides a kind of terminal device.As shown in Figure 2, described terminal device 200 comprises:
Port generating unit 201, for after described terminal device 200 is connected to computing machine, described computing machine fictionalizes the first COM port;
Receiving element 203, for receiving the first order that described computing machine is sent by described first COM port; And
Control module 205, for according to described first order, controls described terminal device 200 and enters downloading mode.
In some embodiment, described control module 205 also for: based on described first order, revise zone bit preset in described terminal device 200.
In some embodiment, described terminal device 200 also comprises storage unit 207, for storing described zone bit.Described zone bit, for identifying the pattern of described terminal device 200, when described zone bit is the first numerical value, represents described terminal device 200 and is in normal boot-strap pattern, when described zone bit is second value, represents described terminal device 200 and enters downloading mode.
In some embodiment, described port generating unit 201 is also for fictionalizing the second COM port on computers, and described second COM port is used for software download to described terminal device 200.
In some embodiment, described receiving element 203 is also for receiving the second order that described computing machine is sent by described second COM port, and described control module 205 also for based on described second order, revises described zone bit.
In some embodiment, described terminal device 200 is data card.
In addition, the embodiment of the present invention also provides a kind of computer equipment, and as shown in Figure 3, described computer equipment 300 comprises:
Whether detecting unit 301, have COM port to generate on detection computations machine; And
Transmitting element 303, for after detecting unit 301 detects the first COM port, is sent to terminal device by described first COM port by the first order, and described first order enters downloading mode for controlling described terminal device.
In some embodiment, described computer equipment 300 also comprises download unit 305, for after described detecting unit 301 detects the second COM port, downloads software to described terminal device by described second COM port.
In some embodiment, described transmitting element 303 also for: when described download unit 305 completes the download of described software, by described second COM port, the second order is sent to described terminal device, described second order revises zone bit preset in described terminal device for controlling described terminal device.
To sum up, control terminal provided by the invention enters the method for downloading mode, terminal device and computer equipment, by forming virtual COM port, realize the order that receiving computer sends, thus control terminal enters downloading mode.Achieve and enter downloading mode by the mode control terminal of software, solve the problem that cannot be entered downloading mode after complete machine dressed up by some terminal devices by hardware mode.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (18)
1. control terminal enters a method for downloading mode, it is characterized in that, comprising:
After terminal device is connected to computing machine, described computing machine fictionalizes the first COM port;
Receive the first order that described computing machine is sent by described first COM port; And
Based on described first order, control described terminal device and enter downloading mode.
2. the method for claim 1, is characterized in that, also comprises: after receiving first order of described computing machine by described first COM port transmission, based on zone bit preset in the described terminal device of described first order amendment.
3. method as claimed in claim 2, it is characterized in that, described zone bit is arranged in the storage area of described terminal device.
4. method as claimed in claim 2, it is characterized in that, described zone bit is for identifying the pattern of described terminal device, when described zone bit is the first numerical value, represent described terminal device and be in normal boot-strap pattern, when described zone bit is second value, represents described terminal device and enter downloading mode.
5. method as claimed in claim 2, it is characterized in that, described terminal device enters downloading mode and comprises: computationally fictionalize the second COM port, and software is downloaded to described terminal device through described second COM port.
6. method as claimed in claim 5, is characterized in that, also comprise: receive the second order that described computing machine is sent by described second COM port, based on the described zone bit of described second order amendment.
7. control terminal enters a method for downloading mode, it is characterized in that, comprising:
When after COMPUTER DETECTION to the first COM port, send the first order to terminal device by described first COM port, described first order enters downloading mode for controlling described terminal device.
8. method as claimed in claim 7, is characterized in that, also comprise: after the second COM port being detected, download software to described terminal device by described second COM port.
9. method as claimed in claim 8, it is characterized in that, also comprise: when described software download is complete, send the second order to described terminal device by described second COM port, described second order revises zone bit preset in described terminal device for controlling described terminal device.
10. a terminal device, is characterized in that, comprising:
Port generating unit, for after terminal device is connected to computing machine, described computing machine fictionalizes the first COM port;
Receiving element, for receiving the first order that described computing machine is sent by described first COM port; And
Control module, for according to described first order, controls described terminal device and enters downloading mode.
11. terminal devices as claimed in claim 10, is characterized in that, described control module also for: based on described first order, revise zone bit preset in described terminal device.
12. terminal devices as claimed in claim 11, is characterized in that, also comprise storage unit, for storing described zone bit.
13. terminal devices as claimed in claim 11, it is characterized in that, described zone bit is for identifying the pattern of described terminal device, when described zone bit is the first numerical value, represent described terminal device and be in normal boot-strap pattern, when described zone bit is second value, represents described terminal device and enter downloading mode.
14. terminal devices as claimed in claim 11, is characterized in that, described port generating unit also for: fictionalize the second COM port on computers, described second COM port is used for software download to described terminal device.
15. terminal devices as claimed in claim 14, it is characterized in that, described receiving element is also for receiving the second order that described computing machine is sent by described second COM port, and described control module is also for revising described zone bit based on described second order.
16. 1 kinds of computer equipments, is characterized in that, comprising:
Whether detecting unit, have COM port to generate on detection computations machine; And
Transmitting element, after the first COM port being detected when detecting unit, is sent to terminal device by described first COM port by the first order, and described first order enters downloading mode for controlling described terminal device.
17. computer equipments as claimed in claim 16, is characterized in that, also comprise: download unit, for after described detecting unit detects the second COM port, download software to described terminal device by described second COM port.
18. computer equipments as claimed in claim 17, it is characterized in that, described transmitting element also for: when download unit completes the download of described software, by described second COM port, the second order is sent to described terminal device, described second order revises zone bit preset in described terminal device for controlling described terminal device.
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| CN201410438532.3A CN105373422B (en) | 2014-08-29 | 2014-08-29 | Controlling terminal equipment enters method, terminal device and the computer equipment of downloading mode |
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| CN201410438532.3A CN105373422B (en) | 2014-08-29 | 2014-08-29 | Controlling terminal equipment enters method, terminal device and the computer equipment of downloading mode |
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| CN105373422B (en) | 2019-01-18 |
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