CN106973286A - The detection method of camera hardware circuit, apparatus and system - Google Patents
The detection method of camera hardware circuit, apparatus and system Download PDFInfo
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- CN106973286A CN106973286A CN201710166086.9A CN201710166086A CN106973286A CN 106973286 A CN106973286 A CN 106973286A CN 201710166086 A CN201710166086 A CN 201710166086A CN 106973286 A CN106973286 A CN 106973286A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
Abstract
The present invention relates to the communications field, a kind of detection method of camera hardware circuit, apparatus and system are disclosed.In the present invention, the detection method of camera hardware circuit includes sending the instruction for obtaining colour pattern to the camera with colour bar picture generator；When receiving the data of cam feedback, picture is generated according to data；When the picture of generation occurs abnormal, at least indicate that the first kind hardware circuit of camera is abnormal.The invention also discloses a kind of detection means and system of camera hardware circuit.Compared with prior art, the present invention can realize the automatic detection of camera hardware circuit so that test period is shorter, and testing result is more accurate, can avoid the error manually detected, use manpower and material resources sparingly, and save manufacturing cost.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of detection method of camera hardware circuit, apparatus and system.
Background technology
In recent years, continuing to develop and scientific and technological continuous progress with the communication technology, mobile phone or notebook computer etc.
Mobile terminal turns into use instrument essential in people's daily life；Because its carrying is convenient, using simple and
The life given people brings great convenience.And the function of mobile terminal is also stronger and stronger, penetrates into people gradually
Life.
At present, in the production process of Mobile terminal main board (printed circuit board (PCB)), (smt refers to surface mount skill to smt
Art) after paster, it is necessary to be detected to the hardware circuit of mainboard.When detecting hardware circuit, the function of meeting testing host is
It is no normal, because only when the function of mainboard is normal, mainboard could be flowed into assembling stage progress assembling row.Hard
In the detection of part circuit, because the hardware circuit of camera (camera) has multiple power supplies and multiple signals pin complex, because
This is in order to ensure that camera hardware circuit is normally run, typically by hardware circuit of the mode manually detected to camera
Detected.Specifically, the external camera on mainboard, is opened manually camera preview mode and true by shooting style
Whether normal determine camera hardware circuits.
But, inventor is during the present invention is realized, discovery also has following technical problem in the prior art：More than
The whether normal mode of camera hardware circuits is detected, test period is long, take more manpower, and by manpower according to bat
Judge whether camera hardware circuits are normal according to function, test result can be caused inaccurate.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of detection method of camera hardware circuit, apparatus and system, can
To realize the automatic detection of camera hardware circuit so that test period is shorter, and testing result is more accurate, people can be avoided
The error of work detection, uses manpower and material resources sparingly, and saves manufacturing cost.
In order to solve the above technical problems, the embodiments of the invention provide a kind of detection method of camera hardware circuit, bag
Include：The instruction for obtaining colour pattern is sent to the camera with colour bar picture generator；When receiving the data of cam feedback,
Picture is generated according to data；When the picture of generation occurs abnormal, at least indicate that the first kind hardware circuit of camera is abnormal.
The embodiment of the present invention additionally provides a kind of detection means of camera hardware circuit, including：Sending module, for
Camera with colour bar picture generator sends the instruction for obtaining colour pattern；First judge module, for judging whether to receive
The data of cam feedback；Generation module, for when receiving the data of cam feedback, picture to be generated according to data；The
Two judge modules, for judging whether the picture of generation occurs exception；First indicating module, it is different for occurring in the picture of generation
Chang Shi, at least indicates that the first kind hardware circuit of camera is abnormal.
The embodiment of the present invention additionally provides a kind of detecting system of camera hardware circuit, including：Circuit board and carry
The camera of colour bar picture generator；Circuit board, the finger of colour pattern is obtained for being sent to the camera with colour bar picture generator
Order；Circuit board, is additionally operable to when receiving the data of cam feedback, and picture is generated according to data；Circuit board, is additionally operable in life
Into picture occur abnormal when, at least indicate that the first kind hardware circuit of camera is abnormal.
The embodiment of the present invention in terms of existing technologies, is obtained by being sent to the camera with colour bar picture generator
The instruction of colour pattern, when receiving the data of cam feedback, picture is generated according to data, is occurred in the picture of generation abnormal
When, at least indicate that the first kind hardware circuit of camera is abnormal, the automatic detection of camera hardware circuit can be realized so that
Test period is shorter, and more accurate to the testing result of camera hardware circuit, can avoid the error manually detected, section
Human-saving material resources, so as to save manufacturing cost.
In addition, when not receiving the data of cam feedback, at least indicate that the Equations of The Second Kind hardware circuit of camera is abnormal,
Wherein, Equations of The Second Kind hardware circuit includes：Circuit board is powered, twin wire universal serial bus I2C signal wires and reseting signal line so that
User intuitively can carry out repair and maintenance according to configured information to the hardware circuit of camera, so as to targetedly right
The hardware circuit of camera is overhauled.
In addition, first kind hardware circuit includes circuit board process circuit；When the picture of generation occurs abnormal, at least indicate
The first kind hardware circuit of camera is abnormal, specifically includes：When the picture of generation is colour pattern, calculates colour pattern and prestore
Error between standard colour pattern, when error exceeds preset range, at least indicates circuit board process circuit dysfunction so that
User intuitively can carry out repair and maintenance according to configured information to the hardware circuit of camera, so as to targetedly right
The hardware circuit of camera is overhauled.
In addition, first kind hardware circuit also includes mobile Industry Processor Interface MIPI signal wires；Sent out in the picture of generation
When raw abnormal, at least indicate that the first kind hardware circuit of camera is abnormal, in addition to：When the picture of generation is not colour pattern,
At least indicate that MIPI signal wires occur abnormal so that user intuitively can enter according to configured information to the hardware circuit of camera
Row repair and maintenance, so as to targetedly be overhauled to the hardware circuit of camera.
In addition, the detection means of camera hardware circuit also includes：Second indicating module, for not receiving camera
During the data of feedback, at least indicate that the Equations of The Second Kind hardware circuit of camera is abnormal, wherein, Equations of The Second Kind hardware circuit includes：Circuit
Plate is powered, twin wire universal serial bus I2C signal wires and reseting signal line.
In addition, first kind hardware circuit includes circuit board process circuit；First indicating module includes：First judges submodule
Block, for judging whether the picture of generation is colour pattern；Calculating sub module, for when the picture of generation is colour pattern, calculating
Error between colour pattern and the standard colour pattern prestored；Second judging submodule, for error in judgement whether beyond default model
Enclose；First indicates submodule, for when error exceeds preset range, at least indicating circuit board process circuit dysfunction.
In addition, first kind hardware circuit also includes mobile Industry Processor Interface MIPI signal wires；First indicating module is also
Including：Second indicates submodule, when for the picture in generation being not colour pattern, at least indicates that MIPI signal wires occur abnormal.
In addition, circuit board, is additionally operable to when not receiving the data of cam feedback, the Equations of The Second Kind of camera is at least indicated
Hardware circuit is abnormal, wherein, Equations of The Second Kind hardware circuit includes：Circuit board is powered, twin wire universal serial bus I2C signal wires and multiple
Position signal wire.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The element with same reference numbers label is expressed as similar element in the bright restriction not constituted to embodiment, accompanying drawing, removes
Composition is not limited the non-figure having in special statement, accompanying drawing.
Fig. 1 is the flow chart according to the detection method of camera hardware circuit in first embodiment of the invention；
Fig. 2 is the flow chart according to the detection method of camera hardware circuit in second embodiment of the invention；
Fig. 3 is the block diagram according to the detection means of camera hardware circuit in third embodiment of the invention；
Fig. 4 is the block diagram according to the detection means of camera hardware circuit in four embodiment of the invention；
Fig. 5 is the block diagram according to the detecting system of camera hardware circuit in fifth embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality of the accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize the application technical scheme claimed.
The first embodiment of the present invention is related to a kind of detection method of camera hardware circuit.Idiographic flow such as Fig. 1 institutes
Show, the detection method of camera hardware circuit includes：
Step 101, the processor on circuit board sends the finger for obtaining colour pattern to the camera with colour bar picture generator
Order.
It is noted that the processor on circuit board is commonly referred to as the master controller of mainboard in mobile terminal.Processing
Device can by twin wire universal serial bus I2C (I2C be Inter-Integrated Circuit abbreviation, Chinese is interpreted as：
Twin wire universal serial bus) write the instruction for obtaining colour pattern.In actual application, when the camera with colour bar picture generator
When receiving above-mentioned instruction, can by mobile Industry Processor Interface MIPI signal wires automatically output on colour pattern data extremely
Processor.
Step 102, processor judges whether to receive the data of cam feedback.If it is, into step 103；It is no
Then, into step 106.
Step 103, processor generates picture according to the data of reception.
It is noted that processor can be parsed to the data of reception, the characteristic information of above-mentioned data is obtained.Its
In, characteristic information can be, but not limited to include resolution ratio, color, locating depth, hue, saturation, intensity, color channel etc..To upper
State characteristic information to be synthesized, generate picture.
Step 104, processor judges whether the picture of generation occurs exception.If it is, into step 105；Otherwise, tie
Beam.
In this step, processor may determine that generation picture whether colour pattern, or judge the picture of generation and pre-
Whether the standard colour pattern deposited is variant, so as to judge whether picture occurs exception.Such as, if the picture of generation is not colour bar
Figure, then illustrate that picture occurs abnormal.Or, if the picture of generation and the standard colour pattern prestored are inconsistent, then illustrate that picture is sent out
It is raw abnormal.If it should be noted that exception does not occur for picture, illustrating that camera hardware circuit is normal.
Step 105, processor at least indicates that the first kind hardware circuit of camera is abnormal.
For example, processor can be with externally connected with display screen, and shows that first kind hardware circuit is abnormal by display screen.Or
Processor can be with external memorizer, and the abnormal information of first kind hardware circuit is stored by memory.So as to lead to
Cross and indicate the abnormal information of first kind hardware circuit, later stage research staff or after-sales service personnel can be facilitated to taking the photograph
, can be according to the abnormal signal of first kind hardware circuit, targetedly to the first kind when being detected as the hardware circuit of head
Hardware circuit is overhauled, and improves detection and overhaul efficiency.
Step 106, indicate that detection is abnormal.
For example, it can be, but not limited to indicate that detection is abnormal in the following manner：Send caution sound, warning light flicker
Lamp.So as to for can be overhauled according to abnormal information to the hardware circuit of camera, so that the hardware circuit of camera
Meet standard.
By the above, it is seen that, present embodiment can realize the automatic detection of camera hardware circuit, make
Test period it is shorter and more accurate to the testing result of camera hardware circuit, the error manually detected can be avoided,
Use manpower and material resources sparingly, so as to save manufacturing cost.
Second embodiment of the present invention is related to a kind of detection method of camera hardware circuit.Second embodiment be
The improvement done on the basis of first embodiment.
Idiographic flow is as shown in Fig. 2 the detection method of camera hardware circuit includes：
Step 201, the processor on circuit board sends the finger for obtaining colour pattern to the camera with colour bar picture generator
Order.
It is noted that the processor on circuit board is commonly referred to as the master controller of mainboard in mobile terminal.Processing
Device can by twin wire universal serial bus I2C (I2C be Inter-Integrated Circuit abbreviation, Chinese is interpreted as：
Twin wire universal serial bus) write the instruction for obtaining colour pattern.In actual application, when the camera with colour bar picture generator
When receiving above-mentioned instruction, can by mobile Industry Processor Interface MIPI signal wires automatically output on colour pattern data extremely
Processor.
Step 202, processor judges whether to receive the data of cam feedback.If it is, into step 203；It is no
Then, into step 208.
Step 203, processor generates picture according to the data of reception.
It is noted that processor can be parsed to the data of reception, the characteristic information of above-mentioned data is obtained.Its
In, characteristic information can be, but not limited to include resolution ratio, color, locating depth, hue, saturation, intensity, color channel etc..To upper
State characteristic information to be synthesized, generate picture.
Step 204, processor judges whether the picture of generation is colour pattern.If it is, into step 205；Otherwise, enter
Enter step 209.
It is noted that whether the picture that generation can be judged according to the standard of colour pattern is colour pattern.Or, may be used also
It is identified with the picture to generation, whether is colour pattern with the picture for judging generation.Such as, can be according to color in picture
Whether gradual change trend is colour pattern come the picture for judging generation.
Step 205, processor calculates the error between colour pattern and the standard colour pattern prestored.
Specifically, processor can compare the colour pattern of generation and the standard prestored colour pattern, and according to contrast
Result calculate above-mentioned error.Such as, when the colour pattern of generation and the standard colour pattern prestored are compared, generation can be calculated
The ratio of identical part between colour pattern and the standard colour pattern prestored.
Step 206, processor judges whether above-mentioned error exceeds preset range.If it is, into step 207；Otherwise,
Terminate.
Specifically, when identical ratio exceedes preset value, it is possible to determine that above-mentioned error is without departing from preset range.When
When identical ratio is less than preset value, it is possible to determine that above-mentioned error exceeds preset range.Present embodiment is to above-mentioned " preset value "
Size be not restricted, can specifically be set as needed.If it should be noted that above-mentioned error is without departing from default
Scope, illustrates that camera hardware circuit is normal.
Step 207, processor at least indicates circuit board process circuit dysfunction.
For example, processor can be and different by display screen display circuit board process circuit function with externally connected with display screen
Often.Or processor can be with external memorizer, and the information of circuit board process circuit dysfunction is deposited by memory
Storage.So as to by the way that circuit board process circuit dysfunction information is indicated, later stage research staff be facilitated or tieed up after sale
Personnel are repaiied when the hardware circuit to camera is detected, can be had according to the abnormal signal of circuit board process circuit function
Repair and maintenance targetedly is carried out to the hardware circuit of camera, detection and overhaul efficiency is improved.
Step 208, at least indicate that exception occurs for MIPI signal wires.
For example, processor can be with externally connected with display screen, and shows that exception occurs for MIPI signal wires by display screen.Or
Processor can be with external memorizer, and the information that exception occurs for MIPI signal wires is stored by memory.So as to lead to
Cross and indicate the information that exception occurs for MIPI signal wires, later stage research staff or after-sales service personnel can be facilitated to taking the photograph
, can be according to the abnormal signal of circuit board process circuit function, targetedly to taking the photograph when being detected as the hardware circuit of head
As the hardware circuit of head carries out repair and maintenance, detection and overhaul efficiency are improved.
Step 209, at least indicate that the Equations of The Second Kind hardware circuit of camera is abnormal.
Wherein, Equations of The Second Kind hardware circuit includes：Circuit board is powered, twin wire universal serial bus I2C signal wires and reset are believed
Number line.For example, processor can be with externally connected with display screen, and shows that Equations of The Second Kind hardware circuit is abnormal by display screen.Or place
Managing device can be with external memorizer, and the abnormal information of Equations of The Second Kind hardware circuit is stored by memory.So as to pass through
The abnormal information of Equations of The Second Kind hardware circuit is indicated, later stage research staff or after-sales service personnel can be facilitated to shooting
The hardware circuit of head is when being detected, can be according to the abnormal signal of circuit board process circuit function, targetedly to imaging
The hardware circuit of head carries out repair and maintenance, improves detection and overhaul efficiency.
By the above, it is seen that, present embodiment can realize the automatic detection of camera hardware circuit, make
Test period it is shorter and more accurate to the testing result of camera hardware circuit, the error manually detected can be avoided,
Use manpower and material resources sparingly, so as to save manufacturing cost.
The step of various methods are divided above, be intended merely to description it is clear, can be merged into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as including identical logical relation, all protection domain in this patent
It is interior；To adding inessential modification in algorithm or in flow or introducing inessential design, but its algorithm is not changed
Core design with flow is all in the protection domain of the patent.
Third embodiment of the invention is related to a kind of detection means of camera hardware circuit.As shown in figure 3, camera is hard
The detection means of part circuit includes：Sending module 31, colour pattern is obtained for being sent to the camera with colour bar picture generator
Instruction；First judge module 32, the data for judging whether to receive cam feedback；Generation module 33, for connecing
When receiving the data of cam feedback, picture is generated according to data；Second judge module 34, for judge generation picture whether
Generation is abnormal；First indicating module 35, for when the picture of generation occurs abnormal, at least indicating the first kind hardware of camera
Circuit abnormality.
By the above, it is seen that, present embodiment can realize the automatic detection of camera hardware circuit, make
Test period it is shorter and more accurate to the testing result of camera hardware circuit, the error manually detected can be avoided,
Use manpower and material resources sparingly, so as to save manufacturing cost.
It is seen that, present embodiment is the device embodiment corresponding with first embodiment, and present embodiment can be with
First embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In first embodiment.
It is noted that each module involved in present embodiment is logic module, and in actual applications, one
Individual logic unit can be a part for a physical location or a physical location, can also be with multiple physics lists
The combination of member is realized.In addition, will not be with solving institute of the present invention in the innovative part in order to protrude the present invention, present embodiment
The technical problem relation of proposition less close unit is introduced, but this be not intended that in present embodiment be not present it is other single
Member.
Four embodiment of the invention is related to a kind of detection means of camera hardware circuit.4th embodiment is
Three embodiments are improved.
As shown in figure 4, the detection means of camera hardware circuit includes：Sending module 31, for being sent out to colour pattern
The camera of raw device sends the instruction for obtaining colour pattern；First judge module 32, for judging whether to receive cam feedback
Data；Generation module 33, for when receiving the data of cam feedback, picture to be generated according to data；Second judges mould
Block 34, for judging whether the picture of generation occurs exception；First indicating module 35, it is abnormal for occurring in the picture of generation
When, at least indicate that the first kind hardware circuit of camera is abnormal.
In addition, the detection means of camera hardware circuit also includes：Second indicating module 36, for not receiving shooting
During the data of head feedback, at least indicate that the Equations of The Second Kind hardware circuit of camera is abnormal, wherein, Equations of The Second Kind hardware circuit includes：Electricity
Road plate is powered, twin wire universal serial bus I2C signal wires and reseting signal line.
In addition, first kind hardware circuit includes circuit board process circuit；First indicating module 35 includes：First judges submodule
Block 351, for judging whether the picture of generation is colour pattern；Calculating sub module 352, for being colour pattern in the picture of generation
When, calculate the error between colour pattern and the standard colour pattern prestored；Second judging submodule 353, for error in judgement whether
Beyond preset range；First indicates submodule 354, for when error exceeds preset range, at least indicating circuit board processing electricity
Road dysfunction.
In addition, first kind hardware circuit also includes mobile Industry Processor Interface MIPI signal wires；First indicating module 35
Also include：Second indicates submodule 355, when for the picture in generation being not colour pattern, at least indicates that MIPI signal wires occur
It is abnormal.
By the above, it is seen that, present embodiment can realize the automatic detection of camera hardware circuit, make
Test period it is shorter and more accurate to the testing result of camera hardware circuit, the error manually detected can be avoided,
Use manpower and material resources sparingly, so as to save manufacturing cost.
Because second embodiment is mutually corresponding with present embodiment, therefore present embodiment can be mutual with second embodiment
It is engaged implementation.The relevant technical details mentioned in second embodiment are still effective in the present embodiment, implement second
The technique effect that can be reached in mode can similarly be realized in the present embodiment, in order to reduce repetition, no longer be gone to live in the household of one's in-laws on getting married here
State.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in second embodiment.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by
Program instructs the hardware of correlation to complete, and the program storage is in a storage medium, including some instructions are to cause one
Individual equipment (can be single-chip microcomputer, chip etc.) or processor (processor) perform the whole of each embodiment method of the application
Or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
5th embodiment is related to a kind of detecting system of camera hardware circuit.As shown in figure 5, camera hardware circuit
Detecting system include：Circuit board 51 and the camera 52 with colour bar picture generator；Circuit board 51, for colour bar
The camera of picture generator sends the instruction for obtaining colour pattern；Circuit board 51, is additionally operable to receiving the data of cam feedback
When, generate picture according to data；Circuit board 51, is additionally operable to when the picture of generation occurs abnormal, at least indicates the of camera
One class hardware circuit is abnormal.
In addition, circuit board 51, is additionally operable to when not receiving the data of cam feedback, the second of camera is at least indicated
Class hardware circuit is abnormal, wherein, Equations of The Second Kind hardware circuit includes：Circuit board is powered, twin wire universal serial bus I2C signal wires and
Reseting signal line.
By the above, it is seen that, present embodiment can realize the automatic detection of camera hardware circuit, make
Test period it is shorter and more accurate to the testing result of camera hardware circuit, the error manually detected can be avoided,
Use manpower and material resources sparingly, so as to save manufacturing cost.
It is seen that, present embodiment is the system embodiment corresponding with second embodiment, and present embodiment can be with
Second embodiment is worked in coordination implementation.The relevant technical details mentioned in second embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in
In second embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of detection method of camera hardware circuit, it is characterised in that including：
The instruction for obtaining colour pattern is sent to the camera with colour bar picture generator；
When receiving the data of the cam feedback, picture is generated according to the data；
When the picture of generation occurs abnormal, at least indicate that the first kind hardware circuit of the camera is abnormal.
2. the detection method of camera hardware circuit according to claim 1, it is characterised in that do not receiving described take the photograph
During the data that picture head feeds back, at least indicate that the Equations of The Second Kind hardware circuit of the camera is abnormal, wherein, the Equations of The Second Kind hardware electricity
Road includes：Circuit board is powered, twin wire universal serial bus I2C signal wires and reseting signal line.
3. the detection method of camera hardware circuit according to claim 1 or 2, it is characterised in that the first kind is hard
Part circuit includes circuit board process circuit；
When the picture of generation occurs abnormal, at least indicate that the first kind hardware circuit of the camera is abnormal, specific bag
Include：
When the picture of generation is colour pattern, the error between the colour pattern and the standard colour pattern prestored is calculated,
When the error exceeds preset range, circuit board process circuit dysfunction is at least indicated.
4. the detection method of camera hardware circuit according to claim 3, it is characterised in that the first kind hardware electricity
Road also includes mobile Industry Processor Interface MIPI signal wires；
When the picture of generation occurs abnormal, at least indicate that the first kind hardware circuit of the camera is abnormal, in addition to：
When the picture of generation is not colour pattern, at least indicate that the MIPI signal wires occur abnormal.
5. a kind of detection means of camera hardware circuit, it is characterised in that including：
Sending module, the instruction of colour pattern is obtained for being sent to the camera with colour bar picture generator；
First judge module, the data for judging whether to receive the cam feedback；
Generation module, for when receiving the data of the cam feedback, picture to be generated according to the data；
Second judge module, for judging whether the picture of generation occurs exception；
First indicating module, for when the picture of generation occurs abnormal, at least indicating that the first kind of the camera is hard
Part circuit abnormality.
6. the detection means of camera hardware circuit according to claim 5, it is characterised in that the camera hardware electricity
The detection means on road also includes：
Second indicating module, for when not receiving the data of the cam feedback, at least indicating the camera
Two class hardware circuits are abnormal, wherein, the Equations of The Second Kind hardware circuit includes：Circuit board is powered, twin wire universal serial bus I2C signals
Line and reseting signal line.
7. the detection means of the camera hardware circuit according to claim 5 or 6, it is characterised in that the first kind is hard
Part circuit includes circuit board process circuit；
First indicating module includes：
First judging submodule, for judging whether the picture of generation is colour pattern；
Calculating sub module, for when the picture of generation is colour pattern, calculating the colour pattern and the standard colour bar prestored
Error between figure；
Second judging submodule, for judging whether the error exceeds preset range；
First indicates submodule, for when the error exceeds preset range, at least indicating that circuit board process circuit function is different
Often.
8. the detection means of camera hardware circuit according to claim 7, it is characterised in that the first kind hardware electricity
Road also includes mobile Industry Processor Interface MIPI signal wires；
First indicating module also includes：
Second indicates submodule, for when the picture of generation is not colour pattern, at least indicating the MIPI signal wires hair
It is raw abnormal.
9. a kind of detecting system of camera hardware circuit, it is characterised in that including：Circuit board and with colour bar picture generator
Camera；
The circuit board, the instruction of colour pattern is obtained for being sent to the camera with colour bar picture generator；
The circuit board, is additionally operable to when receiving the data of the cam feedback, and picture is generated according to the data；
The circuit board, is additionally operable to, when the picture of generation occurs abnormal, at least indicate that the first kind of the camera is hard
Part circuit abnormality.
10. the detecting system of camera hardware circuit according to claim 9, it is characterised in that the circuit board, is also used
When the data of the cam feedback are not being received, at least indicate that the Equations of The Second Kind hardware circuit of the camera is abnormal, its
In, the Equations of The Second Kind hardware circuit includes：Circuit board is powered, twin wire universal serial bus I2C signal wires and reseting signal line.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114625101A (en) * | 2020-12-14 | 2022-06-14 | 丰田自动车株式会社 | Abnormality diagnosis system, abnormality diagnosis method, and program |
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