CN106407049B - Method and system for judging whether chip setting is interfered by mobile terminal - Google Patents
Method and system for judging whether chip setting is interfered by mobile terminal Download PDFInfo
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Abstract
The invention relates to the technical field of mobile terminals, and discloses a method and a system for judging whether chip setting is interfered by a mobile terminal, wherein the method comprises the following steps: when detecting that the setting of a register group to be judged of the mobile terminal is changed, setting the register group to be judged in a register to store a preset number of backups; reading the register set setting to be judged, and sequentially comparing the register set setting to be judged with the preset number of backups stored in the memory; comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is less than the different number, the register group to be judged is interfered. According to the invention, after the interference of the register group to be judged is judged, the functional abnormity caused by the interference of external high voltage, static electricity and other factors on the register group in the integrated chip in the mobile terminal can be found in time.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a method and a system for judging whether chip setting is interfered by a mobile terminal.
Background
Various integrated chip devices are adopted on the mobile terminal to realize various functions of the mobile terminal, and the integrated chips are often the core of the mobile terminal.
The chip has many registers (hereinafter referred to as register sets) for being set by various functions, such as for an integrated chip for realizing a charging function, the register set of the integrated chip is set when the mobile terminal is detected to be connected with a charger, and the register set of the integrated chip is set when the mobile terminal is detected to be connected with a computer.
Therefore, for the integrated chip of the mobile terminal, the functions of various mobile terminals are actually set corresponding to a set of register sets of various integrated chips, and the corresponding functions can be normally operated only if the correct register values are set.
However, the mobile terminal has various and complicated use environments, and in a specific use environment, even if the register set is correctly set, the register set may be modified by being interfered by static electricity, high voltage and other factors, and once the condition occurs, the normal operation of the mobile terminal is directly influenced.
Therefore, the prior art still needs to be improved and developed to address the above drawbacks.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a system for a mobile terminal to determine that a chip setting is interfered, aiming at timely finding out a condition that a register set in an integrated chip in the mobile terminal is interfered by external high voltage, static electricity and other factors to cause a function abnormality, and then making a correct determination.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a method for judging that chip setting is interfered by a mobile terminal comprises the following steps:
step A, when detecting that the register group to be judged of the mobile terminal is changed, setting the register group to be judged in a register to store a preset number of backups;
step B, reading the register set setting to be judged, and sequentially comparing the register set setting to be judged with the preset number of backups stored in the memory;
and step C, comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is less than the different number, the register group to be judged is interfered.
The method for judging that the chip setting is interfered by the mobile terminal, wherein the step C is followed by the following steps:
and D, setting each register in the interfered register group as the value with the maximum number in the corresponding backup with the preset number.
The method for judging that the chip setting is interfered by the mobile terminal, wherein the step A specifically comprises the following steps:
a1, as long as it detects that the value of any register in the register group setting to be determined of the mobile terminal is changed, reading the values of all the changed registers, and storing the backup with preset number in the memory;
and A2, the backup saving mode comprises the register address and the register value.
The method for judging that the chip setting is interfered by the mobile terminal, wherein the step B specifically comprises the following steps:
b1, reading the register set setting to be judged;
b2, comparing the register set setting to be judged with the preset number of backup saved in the memory in sequence;
and B3, comparing the read register value in the register group to be judged with the backup of the value of the corresponding register in one backup, and executing the comparison of the next backup after the comparison of the backup of the value of the corresponding register in one backup for each register value in the register group is finished until all backups are compared.
The method for judging that the chip setting is interfered by the mobile terminal, wherein the step C specifically comprises the following steps:
c1, setting a first counter and a second counter in the mobile terminal in advance, and clearing zero;
c2, if the read register group setting to be judged is the same as the register group setting in a backup, adding 1 to the first counter, otherwise, adding 1 to the second counter;
c3, when comparing with all the backups, if the first counter is smaller than the second counter, the register set to be determined is interfered, otherwise the register set to be determined is not interfered.
The method for judging the interference of the chip setting by the mobile terminal is characterized in that the register group exists on the chip for realizing different functions of the mobile terminal, and the register group is used for being set by the different functions of the mobile terminal.
A system for judging that chip setting is interfered by a mobile terminal comprises the following components:
the mobile terminal comprises a detection storage module, a judgment module and a judgment module, wherein the detection storage module is used for setting a register group to be judged in a register to store a preset number of backups when detecting that the setting of the register group to be judged of the mobile terminal is changed;
the reading comparison module is used for reading the register group setting to be judged and sequentially comparing the register group setting to be judged with the preset number of backups stored in the memory;
the comparison and judgment module is used for comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is smaller than the different number, the register group to be judged is interfered;
and the resetting module is used for setting each register in the interfered register group to be the value with the maximum number in the corresponding backup with the preset number.
The system for judging whether the chip setting is interfered by the mobile terminal, wherein the detection and storage module specifically comprises:
the detection unit is used for reading the values of all the registers after being changed and storing a preset number of backups in the memory as long as the value of any register in the register group setting to be judged of the mobile terminal is detected to be changed;
and the storage unit is used for storing the backup register address and the register value.
The system for judging whether the chip setting is interfered by the mobile terminal, wherein the reading and comparing module specifically comprises:
a reading unit for reading a register set setting to be determined;
a comparison unit for sequentially comparing the register set setting to be determined with a predetermined number of backups stored in a memory;
and the circulating unit is used for comparing the read value of the register in the register group to be judged with the backup of the value of the corresponding register in one backup, and executing the comparison of the next backup after the backup comparison of the value of each register in the register group on the value of the corresponding register in one backup is finished until all backups are compared.
The system for judging whether the chip setting is interfered by the mobile terminal comprises a comparison and judgment module and a comparison and judgment module, wherein the comparison and judgment module specifically comprises:
the system comprises a presetting unit, a judging unit and a judging unit, wherein the presetting unit is used for presetting a first counter and a second counter in the mobile terminal and clearing the counters;
the counting unit is used for adding 1 to the first counter if the read register group setting to be judged is the same as the register group setting in one backup, and adding 1 to the second counter if the read register group setting to be judged is not the same as the register group setting in the backup;
and the judging unit is used for judging whether the register group to be judged is interfered if the first counter is smaller than the second counter when the comparison with all the backups is finished, or else, judging whether the register group to be judged is not interfered.
The invention discloses a method and a system for judging whether chip setting is interfered by a mobile terminal, wherein the method comprises the following steps: when detecting that the setting of a register group to be judged of the mobile terminal is changed, setting the register group to be judged in a register to store a preset number of backups; reading the register set setting to be judged, and sequentially comparing the register set setting to be judged with the preset number of backups stored in the memory; comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is less than the different number, the register group to be judged is interfered. The register set to be judged whether is interfered is arranged in the memory to store a plurality of backups, the register set is read and compared with the plurality of backups, if the read register set has the same backup number smaller than the different backup number, the register set is interfered, otherwise, the register set is not interfered, and therefore the functional abnormity caused by the interference of factors such as external high voltage, static electricity and the like on the register set in the integrated chip in the mobile terminal can be found in time.
Drawings
FIG. 1 is a flowchart illustrating a method for determining that a chip set is interfered by a mobile terminal according to a preferred embodiment of the present invention.
Fig. 2 is a functional block diagram of a preferred embodiment of a system for determining that a chip set is disturbed according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for determining that a chip setting is interfered by a mobile terminal according to a preferred embodiment of the present invention.
As shown in fig. 1, a method for determining that a chip setting is interfered by a mobile terminal according to an embodiment of the present invention includes the following steps:
step S100, when detecting that the setting of the register group to be judged of the mobile terminal is changed, setting the register group to be judged in a register to store a preset number of backups.
In the present invention, the step S100 specifically includes: reading the values of all the registers after change and storing a preset number of backups in a memory as long as the value of any register in the register group setting to be judged of the mobile terminal is detected to be changed; the backup saving mode comprises a register address and a register value.
Setting a register group to be judged whether to be interfered in a memory to store a preset number of backups; the method specifically comprises the following steps: when a register set setting change to be determined whether disturbed is detected, the register set setting is read and a number of backups (i.e., a predetermined number) are saved in the memory. For example, the register group to be determined includes three registers, and as long as it is detected that the value of one of the three registers is changed, the changed values of the three registers are read and stored in a plurality of backups of the memory; the number of backups is preferably 10 backups.
For example: the register group comprises values of three registers with addresses of 0x10000000, 0x10000006 and 0x10000008, and as long as a change of the value of any one register is detected (the change is a normal change initiated by a software function of the mobile terminal), the values of the three registers are read when the change is completed and a plurality of backup copies are stored in a memory; the storage mode of each backup is as follows: register address, register value;
that is, if the value of register address 0x10000000 is read to be 0x00, the value of register address 0x10000006 is read to be 0x66, and the value of register address 0x10000008 is read to be 0x88, then several copies of the following are stored in the memory:
0x10000000，0x00；
0x10000006，0x66；
0x10000008，0x88。
step S200, reading the register set setting to be determined, and sequentially comparing the register set setting to be determined with a predetermined number of backups stored in the memory.
In the present invention, the step S200 specifically includes: reading the register set setting to be judged;
comparing the register set setting to be determined with a predetermined number of backups stored in a memory in sequence;
and comparing the read value of the register in the register group to be judged with the backup of the value of the corresponding register in one backup, and executing comparison of the next backup after the backup comparison of the value of each register in the register group on the value of the corresponding register in one backup is finished until all backups are compared.
Step S300, comparing the register group setting to be judged with the backup saved in the register one by one, if the same number is less than the different number, the register group to be judged is interfered.
In the present invention, the step S300 specifically includes: setting a first counter and a second counter in the mobile terminal in advance, and clearing the counters, wherein the two counters are used for recording times;
if the read register group setting to be judged is the same as the register group setting in one backup, adding 1 to the first counter, otherwise, adding 1 to the second counter;
when comparison with all backups is finished, if the first counter is smaller than the second counter, the register group to be judged is interfered, otherwise, the register group to be judged is not interfered;
and setting each register in the interfered register group as the value with the maximum number in the corresponding preset number of backups.
For example, three copies (assuming only three copies are backed up) are saved in memory as follows:
the first backup:
0x10000000，0x00；
0x10000006，0x66；
0x10000008，0x88；
and (3) second backup:
0x10000000，0x00；
0x10000006，0x66；
0x10000008，0x88；
and (3) third backup:
0x10000000, 0x10 (the value in backup may also be disturbed, here changed from 0x00 to 0x10 due to being disturbed);
0x10000006，0x66；
0x10000008，0x88；
then when the register set is determined to have been disturbed, setting the value of the register in each register set to the value of the backup of the corresponding register value in the three backups, and then setting the values of the register sets as follows according to the three backups:
0x10000000，0x00；
0x10000006，0x66；
0x10000008，0x88；
although the value of 0x10 for the address 0x10000000 in the third copy, the value of 0x00 for the address 0x10000000 is still set for the first two copies to 0x 00.
Based on the above embodiments, the present invention further provides a system for determining that a chip setting of a mobile terminal is interfered, please refer to fig. 2, and fig. 2 is a functional schematic block diagram of a preferred embodiment of the system for determining that a chip setting of a mobile terminal is interfered according to the present invention.
As shown in fig. 2, the system includes:
the detection saving module 210 is configured to, when it is detected that the register set to be determined of the mobile terminal is changed, set the register set to be determined in a register to save a predetermined number of backups; as described above.
A reading comparison module 220, configured to read a register set setting to be determined, and sequentially compare the register set setting to be determined with a predetermined number of backups stored in a memory; as described above.
A comparing and judging module 230, configured to compare the register set setting to be judged with the backup stored in the register one by one, and if the same number is smaller than the different number, the register set to be judged is interfered; as described above.
A resetting module 240, configured to set each register in the interfered register group to a value with the largest number in the corresponding predetermined number of backups; as described above.
Further, the mobile terminal determines a system in which the chip setting is interfered, wherein the detection and storage module specifically includes:
the detection unit is used for reading the values of all the registers after being changed and storing a preset number of backups in the memory as long as the value of any register in the register group setting to be judged of the mobile terminal is detected to be changed; as described above.
The saving unit is used for saving the backup register address and the register value; as described above.
The system for judging whether the chip setting is interfered by the mobile terminal, wherein the reading and comparing module specifically comprises:
a reading unit for reading a register set setting to be determined; as described above.
A comparison unit for sequentially comparing the register set setting to be determined with a predetermined number of backups stored in a memory; as described above.
The circulating unit is used for comparing the read value of the register in the register group to be judged with the backup of the value of the corresponding register in one backup, and executing the comparison of the next backup after the backup comparison of the value of each register in the register group on the value of the corresponding register in one backup is finished until all backups are compared; as described above.
The system for judging whether the chip setting is interfered by the mobile terminal comprises a comparison and judgment module and a comparison and judgment module, wherein the comparison and judgment module specifically comprises:
the system comprises a presetting unit, a judging unit and a judging unit, wherein the presetting unit is used for presetting a first counter and a second counter in the mobile terminal and clearing the counters; as described above.
The counting unit is used for adding 1 to the first counter if the read register group setting to be judged is the same as the register group setting in one backup, and adding 1 to the second counter if the read register group setting to be judged is not the same as the register group setting in the backup; as described above.
The judging unit is used for judging whether the register group to be judged is interfered when the comparison with all the backups is finished, if the first counter is smaller than the second counter, the register group to be judged is interfered, otherwise, the register group to be judged is not interfered; as described above.
In summary, the present invention discloses a method and a system for a mobile terminal to determine that a chip setting is interfered, wherein the method comprises: when detecting that the setting of a register group to be judged of the mobile terminal is changed, setting the register group to be judged in a register to store a preset number of backups; reading the register set setting to be judged, and sequentially comparing the register set setting to be judged with the preset number of backups stored in the memory; comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is less than the different number, the register group to be judged is interfered. The register set to be judged whether is interfered is arranged in the memory to store a plurality of backups, the register set is read and compared with the plurality of backups, if the read register set has the same backup number smaller than the different backup number, the register set is interfered, otherwise, the register set is not interfered, and therefore the functional abnormity caused by the interference of factors such as external high voltage, static electricity and the like on the register set in the integrated chip in the mobile terminal can be found in time.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (3)
1. A method for judging that chip setting is interfered by a mobile terminal is characterized by comprising the following steps:
step A, when detecting that the register group to be judged of the mobile terminal is changed, setting the register group to be judged in a register to store a preset number of backups;
the step A specifically comprises the following steps:
a1, as long as it detects that the value of any register in the register group setting to be determined of the mobile terminal is changed, reading the values of all the changed registers, and storing the backup with preset number in the memory;
a2, the saving mode of the backup comprises register address and register value, wherein, each backup is saved in the saving mode;
step B, reading the register set setting to be judged, and sequentially comparing the register set setting to be judged with the preset number of backups stored in the memory;
the step B specifically comprises the following steps:
b1, reading the register set setting to be judged;
b2, comparing the register set setting to be judged with the preset number of backup saved in the memory in sequence;
b3, comparing the read register value in the register group to be judged with the backup of the corresponding register value in one backup, and executing the comparison of the next backup after the backup comparison of the register value in one backup is finished until all backups are compared;
step C, comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is less than the different number, the register group to be judged is interfered;
the step C specifically comprises the following steps:
c1, setting a first counter and a second counter in the mobile terminal in advance, and clearing zero;
c2, if the read register group setting to be judged is the same as the register group setting in a backup, adding 1 to the first counter, otherwise, adding 1 to the second counter;
c3, when comparing with all backups, if the first counter is smaller than the second counter, the register group to be determined is interfered, otherwise the register group to be determined is not interfered;
step D, setting each register in the interfered register group as a value with the maximum number in the corresponding backup with the preset number; the method comprises the steps of storing a plurality of backups in a memory by setting a register group to be judged whether to be interfered, reading the register group setting, comparing the register group setting with the plurality of backups, if the read register group setting is the same as the backup number smaller than the different backup number, the register group is interfered, otherwise, the register group is not interfered, and timely finding out that the register group setting in an integrated chip in the mobile terminal is interfered by factors such as external high voltage, static electricity and the like to cause function abnormity.
2. The method of claim 1, wherein the register set exists on a chip for implementing different functions of the mobile terminal, and the register set is used for being set by the different functions of the mobile terminal.
3. A system for judging whether chip setting is interfered by a mobile terminal is characterized by comprising:
the mobile terminal comprises a detection storage module, a judgment module and a judgment module, wherein the detection storage module is used for setting a register group to be judged in a register to store a preset number of backups when detecting that the setting of the register group to be judged of the mobile terminal is changed;
the detection and storage module specifically comprises:
the detection unit is used for reading the values of all the registers after being changed and storing a preset number of backups in the memory as long as the value of any register in the register group setting to be judged of the mobile terminal is detected to be changed;
the storage unit is used for storing the backup register address and the register value, wherein each backup is stored in a mode of storing the backup register address and the register value;
the reading comparison module is used for reading the register group setting to be judged and sequentially comparing the register group setting to be judged with the preset number of backups stored in the memory;
the reading and comparing module specifically comprises:
a reading unit for reading a register set setting to be determined;
a comparison unit for sequentially comparing the register set setting to be determined with a predetermined number of backups stored in a memory; the circulating unit is used for comparing the read value of the register in the register group to be judged with the backup of the value of the corresponding register in one backup, and executing the comparison of the next backup after the backup comparison of the value of each register in the register group on the value of the corresponding register in one backup is finished until all backups are compared;
the comparison and judgment module is used for comparing the register group setting to be judged with the backup saved in the register one by one, and if the same number is smaller than the different number, the register group to be judged is interfered;
the comparing and judging module specifically comprises:
the system comprises a presetting unit, a judging unit and a judging unit, wherein the presetting unit is used for presetting a first counter and a second counter in the mobile terminal and clearing the counters;
the counting unit is used for adding 1 to the first counter if the read register group setting to be judged is the same as the register group setting in one backup, and adding 1 to the second counter if the read register group setting to be judged is not the same as the register group setting in the backup;
the judging unit is used for judging whether the register group to be judged is interfered when the comparison with all the backups is finished, if the first counter is smaller than the second counter, the register group to be judged is interfered, otherwise, the register group to be judged is not interfered;
the resetting module is used for setting each register in the interfered register group as a value with the maximum number in the corresponding backup with the preset number;
the method comprises the steps of storing a plurality of backups in a memory by setting a register group to be judged whether to be interfered, reading the register group setting, comparing the register group setting with the plurality of backups, if the read register group setting is the same as the backup number smaller than the different backup number, the register group is interfered, otherwise, the register group is not interfered, and timely finding out that the register group setting in an integrated chip in the mobile terminal is interfered by factors such as external high voltage, static electricity and the like to cause function abnormity.
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| CN102801699A (en) * | 2011-12-28 | 2012-11-28 | 北京安天电子设备有限公司 | System, method and equipment for preventing data tampering of server |
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| CN101277066A (en) * | 2008-05-06 | 2008-10-01 | 深圳航天科技创新研究院 | Multipath voltage regulation insulation type digital DC/DC power supply as well as control method |
| CN102801699A (en) * | 2011-12-28 | 2012-11-28 | 北京安天电子设备有限公司 | System, method and equipment for preventing data tampering of server |
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