CN109634671A - A method of BOOT mode is controlled using integrated chip - Google Patents
A method of BOOT mode is controlled using integrated chip Download PDFInfo
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- CN109634671A CN109634671A CN201811418525.1A CN201811418525A CN109634671A CN 109634671 A CN109634671 A CN 109634671A CN 201811418525 A CN201811418525 A CN 201811418525A CN 109634671 A CN109634671 A CN 109634671A
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- integrated chip
- boot mode
- enable end
- wifi
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- 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
- G06F9/4401—Bootstrapping
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stored Programmes (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
The present invention relates to technical field of integrated circuits, a kind of more particularly to method using integrated chip control BOOT mode, integrated chip connects WIFI module, including: an integrated chip, integrated chip include a control terminal, a WIFI power supply enable end and a starting enable end；Specifically comprise the following steps: step S1, when WIFI module is restarted, integrated chip sends an instruction of restarting to WIFI module；Step S2, integrated chip sends a high level for keeping the first preset time to control terminal；Step S3, integrated chip sends a high level for keeping the second preset time to WIFI power supply enable end and starting enable end.Technical solution of the present invention beneficial effect is: controlling BOOT mode by using integrated chip, is increased without pull-up resistor and modifies hardware configuration, and without machine of tearing open, saves cost, it is only necessary to upgrade software again, it is easy to operate, and it is user-friendly.
Description
Technical field
The present invention relates to technical field of integrated circuits more particularly to a kind of sides using integrated chip control BOOT mode
Method.
Background technique
As shown in Figure 1, from from the point of view of the regular book of WIFI module, there are BOOT modes by SDIO_DATA2, in BT_EN and WIFI_
High level is kept before EN is enabled, if it is it is low level when can then enter BOOT mode；Generally use oscillograph observation booting
When SDIO_DATA2 level, to measure SDIO_DATA2 level for a period of time be high level or is low level for a period of time, due to
There is no the position of reserved pull-up resistor on manufacture printed circuit board, therefore, in batch modification hardware, difficulty is bigger, and
And also will cause the damage of printed circuit board, and completed producing line assembling, it is big that complete machine dismounts difficulty.
Currently, the scheme that this field solves above-mentioned technical problem is as follows: (1) pulling up and hinder in WIFI_SD_D2 fly line
Value is the resistance of 10K, and difficulty is bigger, but also can have the risk of printed circuit board damage；(2) on needing to tear open machine connection
When pull-up resistor, tears the big producing line of machine difficulty open and reprocess at high cost, second of assembling of influence.
Summary of the invention
For the above-mentioned problems in the prior art, a kind of side using integrated chip control BOOT mode is now provided
Method.
Specific technical solution is as follows:
A method of BOOT mode being controlled using integrated chip, the integrated chip connects WIFI module, including:
One integrated chip, the integrated chip include a control terminal, a WIFI power supply enable end and a starting enable end；
Specifically comprise the following steps:
Step S1, when the WIFI module is restarted, the integrated chip sends an instruction of restarting to the WIFI module；
Step S2, the described integrated chip sends a high level for keeping the first preset time to the control terminal；
Step S3, the described integrated chip sends one to WIFI power supply enable end and the starting enable end and keeps second
The high level of preset time.
Preferably, in Yu Suoshu step S1, the integrated chip sends one to the control terminal and keeps third preset time
Low level.
Preferably, the integrated chip includes micro-control unit chip；Or
The integrated chip includes IC chip.
Preferably, the integrated chip passes through universal input/output interface, WIFI power supply enable end and the starting
Enable end connects the WIFI module.
Preferably, the universal input/output interface includes at least six six GPIO pins；
First GPIO pin connects the first data port；
Second GPIO pin connects the second data port；
The third GPIO pin connects third data port；
4th GPIO pin connects the 4th data port；
5th GPIO pin connects clock port；
6th GPIO pin link order port.
Preferably, the control terminal connects the third data port.
Preferably, first preset time is 50ms.
Preferably, second preset time is 20ms.
Preferably, the third preset time is 50ms.
Technical solution of the present invention beneficial effect is: controlling BOOT mode by using integrated chip, is increased without
Pull-up resistor and modify hardware configuration, and without machine of tearing open, save cost, it is only necessary to upgrade software again, it is easy to operate, be convenient for
User uses.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiment of the present invention.However, appended attached drawing be merely to illustrate and
It illustrates, and is not meant to limit the scope of the invention.
Fig. 1 is that there are the circuit diagrams of the method for BOOT mode for prior art solution；
Fig. 2 is the flow chart of the method that BOOT mode is controlled using integrated chip of the embodiment of the present invention；
Fig. 3 is the logical schematic and logic of the method that BOOT mode is controlled using integrated chip of the embodiment of the present invention
Waveform diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
As shown in Figure 1, from from the point of view of the regular book of WIFI module, there are BOOT modes by SDIO_DATA2, in BT_EN and WIFI_
High level is kept before EN is enabled, if it is it is low level when can then enter BOOT mode；Generally use oscillograph observation booting
When SDIO_DATA2 level, to measure SDIO_DATA2 level for a period of time be high level or is low level for a period of time, due to
There is no the position of reserved pull-up resistor on manufacture printed circuit board, therefore, in batch modification hardware, difficulty is bigger, and
And also will cause the damage of printed circuit board, and completed producing line assembling, it is big that complete machine dismounts difficulty.
Currently, the scheme that this field solves above-mentioned technical problem is as follows: (1) pulling up and hinder in WIFI_SD_D2 fly line
Value is the resistance of 10K, and difficulty is bigger, but also can have the risk of printed circuit board damage；(2) on needing to tear open machine connection
When pull-up resistor, tears the big producing line of machine difficulty open and reprocess at high cost, second of assembling of influence.
Therefore, for the above-mentioned problems in the prior art, the present invention proposes a kind of using integrated chip control BOOT
The method of mode, integrated chip 1 connect WIFI module 2, including:
One integrated chip 1, integrated chip 1 include a control terminal SDIO-DATA, a WIFI power supply enable end WIFI-PWREN
And one starting enable end BT-EN；
Specifically comprise the following steps:
Step S1, when WIFI module 2 is restarted, integrated chip 1 sends an instruction of restarting to WIFI module 2；
Step S2, integrated chip 1 sends a high level for keeping the first preset time T 1 to control terminal SDIO-DATA；
Step S3, integrated chip 1 sends one to WIFI power supply enable end WIFI-PWREN and starting enable end BT-EN and keeps
The high level of second preset time T 2.
Pass through the technical solution of the above-mentioned method that BOOT mode is controlled using integrated chip, in conjunction with shown in Fig. 2,3, BOOT mould
Formula indicates restarting mode, when WIFI power supply enable end WIFI-PWREN and starting enable end BT-EN belong to low level, WIFI mould
Block 2 can enter BOOT mode and be increased without to solve the above problems, this programme controls BOOT mode by using integrated chip
Pull-up resistor and modify hardware configuration, and without machine of tearing open, save cost, it is only necessary to upgrade software again, it is easy to operate, just
It is used in user.
In a kind of preferably embodiment, in step S1, integrated chip 1 sends one to control terminal SDIO-DATA and keeps
The low level of third preset time T 3.
Specifically, in conjunction with shown in Fig. 2,3, third preset time is kept when integrated chip 1 is sent to control terminal SDIO-DATA
When the low level of T3, WIFI module 2 is restarted, and integrated chip 1 sends an instruction of restarting to WIFI module 2 at this time, further only
Software systems setting is needed to can be operated, it is easy to operate, it is user-friendly.
In a kind of preferably embodiment, integrated chip 1 includes micro-control unit chip；Or
Integrated chip 1 includes IC chip.
Specifically, BOOT mode is controlled by using integrated chip, is increased without pull-up resistor and modifies hardware configuration, and
And without machine of tearing open, cost is saved, and only need to upgrade software again by IC chip or micro-control unit chip
, it is easy to operate, it is user-friendly.
In a kind of preferably embodiment, integrated chip 1 passes through universal input/output interface, WIFI power supply enable end
WIFI-PWREN and starting enable end BT-EN connection WIFI module 2.
Specifically, as shown in figure 3, universal input/output interface includes at least six GPIO pins, wherein the first GPIO draws
Foot connects the first data port；Second GPIO pin connects the second data port；Third GPIO pin connects third data port；
4th GPIO pin connects the 4th data port；5th GPIO pin connects clock port；6th GPIO pin link order end
Mouthful, control terminal SDIO-DATA connection third data port, further, it is only necessary to pass through IC chip or microcontroller list
Element chip software systems, it is easy to operate, it is user-friendly, it is increased without pull-up resistor and modifies hardware configuration, and
Without machine of tearing open, cost is saved.
In a kind of preferably embodiment, the first preset time T 1 is 50ms；
Second preset time T 2 is 20ms；
Third preset time T 3 is 50ms.
In above-mentioned technical proposal, as shown in connection with fig. 3, firstly, being kept when integrated chip 1 is sent to control terminal SDIO-DATA
When the low level of third preset time T 3, WIFI module 2 is restarted, and integrated chip 1 sends instruction of restarting to WIFI module 2 at this time,
Wherein third preset time T 3 is 50ms；Then integrated chip 1 sends to control terminal SDIO-DATA and keeps the first preset time T 1
High level, wherein the first preset time T 1 be 50ms；Last integrated chip 1 to WIFI power supply enable end WIFI-PWREN and opens
Dynamic enable end BT-EN sends the high level for keeping the second preset time T 2, wherein the second preset time T 2 is 20ms.
Further, BOOT mode is controlled by using integrated chip, is increased without pull-up resistor and modifies hardware configuration,
And without machine of tearing open, save cost, it is only necessary to upgrade software again, it is easy to operate, it is user-friendly.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (9)
1. a kind of method using integrated chip control BOOT mode, the integrated chip connect WIFI module, which is characterized in that
Include:
One integrated chip, the integrated chip include a control terminal, a WIFI power supply enable end and a starting enable end；
Specifically comprise the following steps:
Step S1, when the WIFI module is restarted, the integrated chip sends an instruction of restarting to the WIFI module；
Step S2, the described integrated chip sends a high level for keeping the first preset time to the control terminal；
Step S3, the described integrated chip sends one to WIFI power supply enable end and the starting enable end and keeps second to preset
The high level of time.
2. the method according to claim 1 using integrated chip control BOOT mode, which is characterized in that Yu Suoshu step
In S1, the integrated chip sends a low level for keeping third preset time to the control terminal.
3. the method according to claim 1 using integrated chip control BOOT mode, which is characterized in that the integrated core
Piece includes micro-control unit chip；Or
The integrated chip includes IC chip.
4. the method according to claim 1 using integrated chip control BOOT mode, which is characterized in that the integrated core
Piece connects the WIFI module by universal input/output interface, WIFI power supply enable end and the starting enable end.
5. the method according to claim 4 using integrated chip control BOOT mode, which is characterized in that described general defeated
Enter output interface including at least six GPIO pins；
First GPIO pin connects the first data port；
Second GPIO pin connects the second data port；
The third GPIO pin connects third data port；
4th GPIO pin connects the 4th data port；
5th GPIO pin connects clock port；
6th GPIO pin link order port.
6. the method according to claim 5 using integrated chip control BOOT mode, which is characterized in that the control terminal
Connect the third data port.
7. the method according to claim 1 using integrated chip control BOOT mode, which is characterized in that described first is pre-
If the time is 50ms.
8. the method according to claim 1 using integrated chip control BOOT mode, which is characterized in that described second is pre-
If the time is 20ms.
9. the method according to claim 2 using integrated chip control BOOT mode, which is characterized in that the third is pre-
If the time is 50ms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418525.1A CN109634671B (en) | 2018-11-26 | 2018-11-26 | Method for controlling BOOT mode by using integrated chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418525.1A CN109634671B (en) | 2018-11-26 | 2018-11-26 | Method for controlling BOOT mode by using integrated chip |
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| Publication Number | Publication Date |
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| CN109634671A true CN109634671A (en) | 2019-04-16 |
| CN109634671B CN109634671B (en) | 2022-06-28 |
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| CN109634671B (en) | 2022-06-28 |
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