CN111031235A - OIS driving circuit structure, data acquisition method and electronic equipment - Google Patents

OIS driving circuit structure, data acquisition method and electronic equipment Download PDF

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Publication number
CN111031235A
CN111031235A CN201911149321.7A CN201911149321A CN111031235A CN 111031235 A CN111031235 A CN 111031235A CN 201911149321 A CN201911149321 A CN 201911149321A CN 111031235 A CN111031235 A CN 111031235A
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ois
integrated circuit
processor
mode
transmission data
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CN111031235B (en
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雷乃策
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Gyroscopes (AREA)

Abstract

The invention provides an OIS driving circuit structure, a data acquisition method and electronic equipment, wherein the OIS driving circuit structure comprises: an inertial measurement unit; the processor is connected with the inertia measuring device through a Serial Peripheral Interface (SPI); at least one optical anti-shake OIS driver integrated circuit connected with the processor, the OIS driver integrated circuit being connected to the SPI; the processor is configured to: and configuring the working mode of the OIS driving integrated circuit, and acquiring the transmission data of the inertial measurement unit together with the OIS driving integrated circuit. The invention can realize that the single-path output inertia measuring device achieves the function of a double-path or multi-path output inertia measuring device, simplify the circuit design of the inertia measuring device, reduce the number of pins, save the board distribution space of a printed circuit board and enhance the flexibility of layout.

Description

OIS driving circuit structure, data acquisition method and electronic equipment
Technical Field
The invention relates to the technical field of communication, in particular to an OIS driving circuit structure, a data acquisition method and electronic equipment.
Background
In the prior art, in order to achieve a better photographing effect, an OSI (Optical imaging stabilization) function is added to a camera module of an electronic device, and an execution mechanism of the OIS function needs to acquire a motion parameter of the electronic device as an anti-shake function by using a gyroscopeAnd (4) reference of compensation. An Inertial Measurement Unit (IMU) is usually adopted to implement bidirectional data output through an internal digital circuit, wherein one path of information is provided to a processor of an electronic device for use in other application scenarios requiring angular velocity and linear velocity measurement, a communication architecture of the IMU is shown in fig. 1, and the IMU is implemented through an SPI (Serial Peripheral Interface)/I2C (Inter-Integrated Circuit, Integrated Circuit bus) performs data interaction with the processor and the OSI driver Integrated Circuit.
Because inertia measuring device needs to increase some circuits and realizes two bus output for the design is more complicated and then leads to the material cost to rise, and two bus output make the pin increase simultaneously, are unfavorable for the miniaturization of system.
Disclosure of Invention
The embodiment of the invention provides an OIS driving circuit structure, a data acquisition method and electronic equipment, and aims to solve the problems that an inertia measuring device in the prior art outputs through double buses, so that the design is more complicated, the cost is increased, and pins are increased, which is not beneficial to system miniaturization.
In order to solve the above problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention provides an OIS driver circuit structure, including:
an inertial measurement unit;
the processor is connected with the inertia measuring device through a Serial Peripheral Interface (SPI);
at least one optical anti-shake OIS driver integrated circuit connected with the processor, the OIS driver integrated circuit being connected to the SPI;
the processor is configured to: and configuring the working mode of the OIS driving integrated circuit, and acquiring the transmission data of the inertial measurement unit together with the OIS driving integrated circuit.
In a second aspect, an embodiment of the present invention provides an electronic device, including the OIS driver circuit structure described above.
In a third aspect, an embodiment of the present invention provides a data obtaining method, which is applied to the OIS driver circuit structure, where the OIS driver circuit structure is disposed in an electronic device, and the method includes:
under the condition that the working mode of the electronic equipment is an optical anti-shake OIS mode, configuring the working mode of at least one OIS driving integrated circuit into a first working mode;
and acquiring transmission data of the inertia measurement device through the Serial Peripheral Interface (SPI), and controlling the OIS to drive the integrated circuit to monitor the transmission data.
In a fourth aspect, an embodiment of the present invention further provides an electronic device, which includes a processor, a memory, and a computer program stored in the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the data acquisition method described above.
In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the data acquisition method described above.
According to the technical scheme, the communication bus of the OIS drive integrated circuit and the communication bus of the processor are connected to the same network, the OIS drive integrated circuit is configured to be in the first working mode or the second working mode, the OIS drive integrated circuit and the processor acquire the transmission data of the inertia measuring device together, the function of the single-output inertia measuring device for outputting two or more paths of inertia measuring devices is achieved, the circuit design of the inertia measuring device is simplified, the number of pins is reduced, the board distribution space of a printed circuit board is saved, and the flexibility of layout is enhanced.
Drawings
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 shows a communication architecture diagram of a prior art inertial measurement unit, processor, and OSI driver integrated circuit;
FIG. 2 is a schematic diagram of an OIS driving circuit according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating the connection between the OIS driver circuit structure and the memory and OIS actuator according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a data acquisition method according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating an implementation of the OIS driver IC in the first operating mode according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating an implementation of the OIS driver IC in the second mode according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An OIS driver circuit structure according to an embodiment of the present invention, as shown in fig. 2, includes:
an inertial measurement unit 11; the processor 12 is connected with the inertia measuring device 11 through a Serial Peripheral Interface (SPI); at least one optical anti-shake OIS driver ic 13 connected to the processor 12, the OIS driver ic 13 being connected to the SPI; the processor 12 is configured to: and configuring the operation mode of the OIS driver integrated circuit 13, and acquiring the transmission data of the inertial measurement unit 11 together with the OIS driver integrated circuit 13.
The inertial measurement unit 11 in the embodiment of the present invention is an inertial detection unit with a three-axis accelerometer and three-axis angular velocity measurement, the processor 12 is externally connected with a memory to provide data transfer and storage in the system operation process and long-term data storage, and the OIS driver ic 13 has a certain operation capability and storage function, processes the acquired transmission data of the inertial measurement unit 11 to obtain OIS optical anti-shake parameters, and further controls the rear-end OIS actuator to play an optical anti-shake effect. And the connection relationship between the inertial measurement unit 11, the processor 12, the memory 14, the OIS driver ic 13, and the OIS actuator 15 can be seen in fig. 3.
As shown in fig. 2, the processor 12 is connected to the inertia measurement device 11 through the SPI, the transmission data of the inertia measurement device 11 is obtained through the SPI, and the processor 12 and the OIS driver ic 13 are connected through the I2C, the processor 12 controls the OIS driver ic 13 through an ic bus, and the OIS driver ic 13 is connected to the SPI for monitoring or directly acquiring transmission data of the inertia measurement apparatus 11.
The OIS driver ic 13 may be connected to the inertia measurement apparatus 11 by using an SPI connection between the processor 12 and the inertia measurement apparatus 11 and by using an OIS driver ic 13 connected to the SPI.
The processor 12 is connected to the at least one OIS driver ic 13, and the processor 12 is connected to the at least one OIS driver ic 13 through an ic bus, and controls the at least one OIS driver ic 13 to monitor or directly obtain transmission data of the inertial measurement unit 11.
In the OIS driver circuit structure provided in the embodiment of the present invention, the communication bus of the OIS driver ic and the communication bus of the processor are connected to the same network, the OIS driver ic is designed in the first operating mode or the second operating mode, and the OIS driver ic and the processor together acquire transmission data of the inertia measurement apparatus, so that the function of outputting the inertia measurement apparatus in a single way to achieve a function of outputting the inertia measurement apparatus in two ways or in multiple ways can be achieved.
In the embodiment of the invention, the SPI is used for connecting a clock signal line, a chip selection signal line, a master output slave input signal line and a master input slave output signal line; the clock signal line, the chip select signal line, and the master-output slave input signal line transmit data from the processor 12 to the inertial measurement unit 11, and the master-input slave output signal line transmit data from the inertial measurement unit 11 to the processor 12.
A clock signal line, a chip select signal line, a MOSI (Master Output Slave Input) signal line, and a MISO (Master Input Slave Output) signal line are connected between the SPI of the processor 12 and the SPI of the inertia measurement apparatus 11, where the clock signal line, the chip select signal line, and the Master Output Slave Input signal line transmit data from the processor 12 to the inertia measurement apparatus 11 for controlling the inertia measurement apparatus 11, and the Master Input Slave Output signal line transmits data from the inertia measurement apparatus 11 to the processor 12, so that the processor 12 acquires the transmission data of the inertia measurement apparatus 11.
The OIS driver ic 13 is connected to the clock signal line, the chip select signal line, the master-output slave input signal line, and the master-input slave output signal line, respectively, and is configured to obtain transmission data of the inertia measurement apparatus 11.
In an embodiment of the present invention, the processor 12 is configured to: the OIS driver ic 13 is configured in the first operating mode, reads the transmission data of the inertial measurement unit 11, and controls the OIS driver ic 13 to monitor the transmission data of the inertial measurement unit 11.
The processor 12 is connected with the inertia measurement device 11 and the OIS driver ic 13 through a single bus, when the processor 12 imitates the data acquisition requirement of the OIS driver ic 13, performs data acquisition on the inertia measurement device 11, and configures the OIS driver ic 13 into a monitoring mode (a first working mode), and in the monitoring mode, the OIS driver ic 13 only reads data and does not send signals to the outside, so that the OIS driver ic 13 simultaneously acquires data, and the function of two-way or multi-way output is achieved by using the inertia measurement device 11 with only a single communication bus.
Under the condition of meeting the requirement of communication signal quality, 2 or more OIS driving integrated circuits 13 can be mounted on the network to monitor data, so that the effect that multiple OIS driving integrated circuits 13 share one inertia measurement device 11 is achieved.
In an embodiment of the present invention, the processor 12 is configured to: the OIS driver ic 13 is configured in the second mode of operation and listens for transmissions from the inertial measurement unit 11.
And configuring the OIS driver ic 13 into a second working mode (host mode), controlling the OIS driver ic 13 to configure the inertia measurement apparatus 11 according to actual requirements, and reading the transmission data of the inertia measurement apparatus 11 in real time, and monitoring the transmission data of the inertia measurement apparatus 11 by the processor 12 while reading the transmission data of the inertia measurement apparatus 11 by the OIS driver ic 13.
The OIS driver ic 13 may be operable to switch modes of operation in which it is configured by the processor 12 to the first mode of operation by listening only for data and not actively issuing instructions. The processor 12 may also configure the OIS driver ic 13 to be in the second operating mode, so that the OIS driver ic 13 configures the inertia measurement apparatus 11 according to actual requirements, and actively reads the transmission data of the inertia measurement apparatus 11 through the SPI, and at this time, the processor 12 may monitor the transmission data of the inertia measurement apparatus 11.
In the OIS driver circuit structure of the embodiment of the invention, the communication bus of the OIS driver integrated circuit and the communication bus of the processor are connected to the same network, the OIS driver integrated circuit is configured to be in the first working mode or the second working mode, and the OIS driver integrated circuit and the processor jointly acquire the transmission data of the inertia measuring device, so that the single-output inertia measuring device achieves the function of a double-output or multi-output inertia measuring device, the circuit design of the inertia measuring device is simplified, the number of pins is reduced, the board distribution space of a printed circuit board is saved, and the flexibility of the layout is enhanced.
An embodiment of the present invention further provides a data obtaining method, which is applied to the OIS driver circuit structure, where the OIS driver circuit structure is disposed in an electronic device, as shown in fig. 4, and the method includes:
step 401, configuring an operation mode of at least one OIS driver integrated circuit to be a first operation mode when the operation mode of the electronic device is the optical anti-shake OIS mode.
In a case that the operation mode of the electronic device is the OIS mode, the processor may configure the operation mode of the at least one OIS driver ic, where the operation mode includes a first operation mode and a second operation mode, and in this embodiment, the processor configures the operation mode of the at least one OIS driver ic as the first operation mode.
And step 402, acquiring transmission data of the inertia measurement device through the Serial Peripheral Interface (SPI), and controlling the OIS to drive the integrated circuit to monitor the transmission data.
The processor is connected with the OIS driving integrated circuit through an integrated circuit bus, the processor is controlled by the integrated circuit bus, the SPI is connected with the inertia measuring device and the processor, the OIS driving integrated circuit is connected with the SPI, and the OIS driving integrated circuit acquires transmission data of the inertia measuring device through the SPI.
After the operating mode of the at least one OIS driver integrated circuit is configured to the first operating mode, the processor may obtain the transmission data of the inertial measurement unit via the SPI, while the processor may control the OIS driver integrated circuit to listen for the transmission data of the inertial measurement unit.
According to the data acquisition method, the communication bus of the OIS drive integrated circuit and the communication bus of the processor are connected to the same network, the OIS drive integrated circuit is configured to be in the first working mode, the processor reads the transmission data of the inertia measurement device and acquires the transmission data in a monitoring mode, the single-path output inertia measurement device can achieve the function of double-path or multi-path output inertia measurement device, the circuit design of the inertia measurement device is simplified, the number of pins is reduced, the board arrangement space of the printed circuit board is saved, and the flexibility of layout is enhanced.
In an embodiment of the present invention, when the operation mode of the electronic device is the optical anti-shake OIS mode, before configuring the operation mode of the at least one OIS driver integrated circuit to the first operation mode, the method further includes:
detecting the working mode of the inertia measuring device; configuring the operating mode of the OIS driver integrated circuit to a second operating mode when the inertial measurement unit is in a third operating mode corresponding to the OIS function; under the condition that the inertia measurement device is in a fourth working mode corresponding to the UI function of the user interface, reducing the range of a gyroscope contained in the inertia measurement device to a first range through the SPI, and increasing the sampling rate of the gyroscope to the first sampling rate; the first measuring range is the measuring range of the gyroscope under the condition that the inertia measuring device is in the third working mode; the first sampling rate is a sampling rate of the gyroscope when the inertial measurement unit is in the third operating mode.
The mode of operation of the inertial measurement unit also needs to be detected before the processor configures the mode of operation of the at least one OIS driver integrated circuit to the first mode of operation. Wherein the inertial measurement unit includes a third mode of operation corresponding to the OIS function and a fourth mode of operation corresponding to the UI function. By configuring the inertial measurement unit to be in the fourth operating mode corresponding to the UI function, data can be collected for other applications requiring acceleration and angle acquisition.
Under the condition that the inertia measurement device is in the third working mode, the range of the gyroscope is the first range, the sampling rate of the gyroscope is the first sampling rate, under the condition that the inertia measurement device is in the fourth working mode, the range of the gyroscope is larger than the first range, and the sampling rate of the gyroscope is smaller than the first sampling rate. That is, the UI function requires a large gyro range and a small sampling rate, whereas the OIS function requires a small gyro range and a high sampling rate. Therefore, when the OIS function needs to be turned on, the processor needs to perform a corresponding configuration change on the inertial measurement unit to meet the data accuracy requirement of OIS.
Before the operation mode of the at least one OIS driver integrated circuit is configured as the first operation mode, the operation mode of the inertial measurement unit needs to be detected, and if the inertial measurement unit is in the third operation mode corresponding to the OIS function, the operation mode of the OIS driver integrated circuit needs to be configured as the second operation mode, so that the processor may change the operation mode of the at least one OIS driver integrated circuit to the first operation mode.
If the inertial measurement unit is in the fourth operating mode corresponding to the UI function, the processor needs to reduce the range of the gyroscope included in the inertial measurement unit to the first range through the SPI, and increase the sampling rate of the gyroscope to the first sampling rate, so that the inertial measurement unit is in the third operating mode corresponding to the OIS function.
By detecting the working mode of the inertial measurement unit and performing corresponding configuration change on the inertial measurement unit or the OIS driver integrated circuit according to the detection result, the OIS function can be realized, and the execution of the subsequent process is ensured.
In the above embodiments of the present invention, configuring the operation mode of the at least one OIS driver integrated circuit to the first operation mode includes: via an integrated circuit bus I2C configures an operating mode of the at least one OIS driver integrated circuit to a first operating mode.
The method comprises the steps that at least one OIS driving integrated circuit connected with a processor is set to be in a first working mode through an integrated circuit bus, and the OIS driving integrated circuit can conduct data monitoring in the first working mode.
In the above embodiment of the present invention, acquiring transmission data of the inertia measurement apparatus through the serial peripheral interface SPI, and controlling the OIS driver integrated circuit to monitor the transmission data includes:
reading the transmission data of the inertia measuring device through the SPI according to the data acquisition parameters of the OIS driving integrated circuit, and simultaneously controlling at least one OIS driving integrated circuit to monitor the transmission data; wherein, OIS drive integrated circuit is connected with SPI, and SPI is connected with inertia measuring device and treater.
After the working mode of at least one OIS driving integrated circuit is configured to be the first working mode, the processor can directly read the transmission data of the inertia measurement device through the SPI according to the data acquisition parameters of the OIS driving integrated circuit, controls at least one OIS driving integrated circuit connected with the processor while reading the transmission data, and monitors the transmission data of the inertia measurement device through the SPI connected with the inertia measurement device and the processor.
After the steps of reading the transmission data of the inertial measurement unit through the SPI according to the data acquisition parameters of the OIS driver integrated circuits and controlling at least one OIS driver integrated circuit to monitor the transmission data, the method further comprises:
sampling and frequency-reducing the transmission data, and outputting target data, wherein the target data is data corresponding to the frequency of the UI mode; and turning off the OIS driving integrated circuit, and restoring the working mode of the inertia measuring device to a fourth working mode.
Because the UI function requires that the gyroscope has a large range and a small sampling rate (for example, the sampling rate can basically meet the requirement when reaching 200 Hz), and the OIS function requires that the gyroscope has a high resolution, namely, the range is small and the sampling rate is high (for example, the sampling rate is required to be more than 500). Therefore, after the transmission data is acquired under the OIS function, the transmission data needs to be sampled and frequency-reduced before being output to the UI end, and after the data meeting the frequency of the UI mode is output, the OIS driving integrated circuit can be closed, and the inertia measuring device is configured to recover to the fourth working mode.
The following describes a case of configuring an operation mode of at least one OIS driver ic as a first operation mode in a specific embodiment, as shown in fig. 5, including:
step 501, the processor sets the inertia measurement device to be in a UI mode, and performs data transmission.
Step 502, after switching to the OIS function, the processor changes the configuration of the inertial measurement unit via the SPI.
Step 503, the processor configures the OIS driver ic to the first operating mode.
And step 504, the processor reads the transmission data of the inertia measurement device through the SPI according to the data acquisition parameters of the OIS drive integrated circuit, and controls at least one OIS drive integrated circuit to monitor the transmission data. After step 504, either step 505 or step 506 may be performed.
Step 505, the processor performs sampling and frequency reduction processing on the acquired high frame rate data, outputs data meeting the frequency of the UI mode, and then executes step 506.
Step 506, the OIS driver ic is turned off and the inertial measurement unit is configured to revert to UI mode.
In the process of the embodiment of the invention, the data distribution function of OIS + UI can be realized through a single port, the complexity of the Circuit design of the inertia measurement device is reduced, the output pins of the gyroscope are reduced, the packaging can be further reduced, and the Board arrangement space of a PCB (Printed Circuit Board) is saved.
To summarize the implementation of configuring the operation mode of at least one OIS driver ic to the first operation mode, configuring, by the processor, an operating mode of the at least one OIS driver integrated circuit to a first operating mode, the processor can directly read the transmission data of the inertia measurement device through the SPI according to the data acquisition parameters of the OIS driving integrated circuit, and controls at least one OIS driving integrated circuit connected with the reading device to monitor the transmission data of the inertia measurement device while reading the transmission data, on the basis of ensuring that the processor and at least one OIS driving integrated circuit jointly acquire transmission data, the single-output inertia measuring device can achieve the function of a double-output or multi-output inertia measuring device, the circuit design of the inertia measuring device is simplified, the number of pins is reduced, the board distribution space of a printed circuit board is saved, and the flexibility of layout is enhanced.
In another embodiment of the present invention, before or after configuring the operation mode of the at least one OIS driver integrated circuit to be the first operation mode, the method further includes:
setting the SPI to a monitoring mode; configuring the working mode of one OIS driving integrated circuit into a second working mode, and configuring the working modes of other OIS driving integrated circuits into a first working mode;
and the OIS driving integrated circuit in the first working mode monitors or receives transmission data distributed by the OIS driving integrated circuit in the second working mode.
Before configuring the operating mode of the at least one OIS driver integrated circuit, the processor may set its SPI port to a listening mode, facilitating listening for data transmitted by the inertial measurement unit. Then through I2And C, configuring the working mode of one OIS driving integrated circuit into a second working mode, and configuring the working modes of other OIS driving integrated circuits into a first working mode.
The working mode of one OIS driving integrated circuit is configured to be the second working mode, the OIS driving integrated circuit can be controlled to configure the inertia measuring device according to actual requirements, transmission data of the inertia measuring device are read according to data acquisition parameters, and the processor monitors the transmission data through the SPI port while the OIS driving integrated circuit reads the transmission data.
The OIS driver ic in the first operating mode may monitor the transmission data while the OIS driver ic in the second operating mode reads the transmission data, or may receive the transmission data distributed by the OIS driver ic in the second operating mode after the OIS driver ic in the second operating mode reads the transmission data.
Before configuring the operation mode of one OIS driver ic to the second operation mode and configuring the operation mode of the other OIS driver ic to the first operation mode, it is necessary to determine that the inertial measurement unit is in the third operation mode corresponding to the OIS function.
The following describes a case of configuring an operation mode of an OIS driver ic as a second operation mode in a specific embodiment, as shown in fig. 6, including:
step 601, the processor sets the inertia measurement device to be in a UI mode and performs data transmission.
Step 602, after switching to the OIS function, the processor sets its SPI port to the listening mode.
Step 603, the processor configures one OIS driver ic to be in the second operating mode, and the other OIS driver ics to be in the first operating mode.
Step 604, configuring the inertial measurement unit by the OIS driver ic in the second working mode, reading transmission data of the inertial measurement unit according to the data acquisition parameter, monitoring or receiving the transmission data distributed by the OIS driver ic in the second working mode by the OIS driver ic in the first working mode, and monitoring the transmission data by the processor. After step 604, either step 605 or step 606 may be performed.
Step 605, the processor performs sampling and frequency reduction processing on the monitored high frame rate data, outputs data meeting the UI mode frequency, and then executes step 606.
Step 606, the OIS driver ic is turned off and the inertial measurement unit is configured to resume UI mode.
In the process of the embodiment of the invention, the data distribution function of OIS + UI can be realized through a single port, the complexity of the Circuit design of the inertia measurement device is reduced, the output pins of the gyroscope are reduced, the packaging can be further reduced, and the Board arrangement space of a PCB (Printed Circuit Board) is saved.
The OIS driving integrated circuit is used as a host to control the inertia measurement device by configuring the OIS driving integrated circuit into a second working mode and positioning the SPI port of the processor into a monitoring mode, so that the load of the processor can be reduced and partial power consumption can be saved when other modules of the processor do not call the inertia measurement device data in the working process of the OIS.
In order to configure one OIS driver integrated circuit into the second working mode and configure other OIS driver integrated circuits into the first working mode, the working mode of one OIS driver integrated circuit is configured into the second working mode through the processor, the other OIS driver integrated circuits are configured into the first working mode, the OIS driver integrated circuit in the second working mode can be configured with the inertia measurement device, and reads the transmission data of the inertia measurement device according to the data acquisition parameters, the OIS driver integrated circuit in the first working mode monitors or receives the transmission data distributed by the OIS driver integrated circuit in the second working mode, the processor monitors the transmission data, and the single-path output inertia measurement device can achieve the function of a two-path or multi-path output inertia measurement device on the basis of ensuring that the processor and the OIS driver integrated circuit commonly acquire the transmission data, the circuit design of the inertia measuring device is simplified, the number of pins is reduced, the board distribution space of the printed circuit board is saved, and the flexibility of layout is enhanced.
To sum up, the implementation process of the data acquisition method according to the embodiment of the present invention is to connect the communication bus of the OIS driver ic and the communication bus of the processor to the same network, configure the OIS driver ic into the first operating mode or the second operating mode, and acquire the transmission data of the inertia measurement apparatus together with the processor, so as to implement the function that the single-output inertia measurement apparatus achieves the two-output or multi-output inertia measurement apparatus, simplify the circuit design of the inertia measurement apparatus, reduce the number of pins, save the board layout space of the printed circuit board, and enhance the flexibility of the layout.
An embodiment of the present invention provides an electronic device, including the OIS driver circuit structure. Fig. 7 is a schematic diagram of a hardware structure of an electronic device for implementing various embodiments of the present invention, where the electronic device 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, and the like.
Wherein, OIS drive circuit structure includes: an inertial measurement unit connected to the processor 710 through a serial peripheral interface SPI; at least one optical anti-shake OIS driver ic connected to the processor 710, the OIS driver ic connected to the SPI; the processor 710 is configured to: and configuring the working mode of the OIS driving integrated circuit, and acquiring the transmission data of the inertial measurement unit together with the OIS driving integrated circuit.
The SPI is used for connecting a clock signal line, a chip selection signal line, a master output slave input signal line and a master input slave output signal line; the clock signal line, the chip selection signal line and the main output slave input signal line are used for transmitting data from the processor to the inertia measuring device, and the main input slave output signal line is used for transmitting data from the inertia measuring device to the processor.
The OIS driving integrated circuit is respectively connected with the clock signal line, the chip selection signal line, the main output slave input signal line and the main input slave output signal line.
Wherein the processor 710 is connected via an integrated circuit bus I2And C is connected with the OIS driving integrated circuit.
Wherein the processor 710 is configured to: and configuring the OIS driving integrated circuit into a first working mode, reading the transmission data of the inertia measuring device, and controlling the OIS driving integrated circuit to monitor the transmission data of the inertia measuring device.
Wherein the processor 710 is configured to: and configuring the OIS driving integrated circuit into a second working mode, and monitoring transmission data of the inertial measurement unit.
Those skilled in the art will appreciate that the electronic device configuration shown in fig. 7 does not constitute a limitation of the electronic device, and that the electronic device may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
Where the electronic device may obtain data, the processor 710 is configured to: under the condition that the working mode of the electronic equipment is an optical anti-shake OIS mode, configuring the working mode of at least one OIS driving integrated circuit into a first working mode; and acquiring transmission data of the inertia measurement device through the Serial Peripheral Interface (SPI), and controlling the OIS to drive the integrated circuit to monitor the transmission data.
Wherein, before configuring the operation mode of the at least one OIS driver integrated circuit to be the first operation mode when the operation mode of the electronic device is the optical anti-shake OIS mode, the processor 710 is further configured to: detecting the working mode of the inertia measuring device; configuring the operating mode of the OIS driver integrated circuit to a second operating mode when the inertial measurement unit is in a third operating mode corresponding to the OIS function; under the condition that the inertia measurement device is in a fourth working mode corresponding to the UI function of the user interface, reducing the range of a gyroscope contained in the inertia measurement device to a first range through the SPI, and increasing the sampling rate of the gyroscope to the first sampling rate;
the first measuring range is the measuring range of the gyroscope under the condition that the inertia measuring device is in the third working mode; the first sampling rate is a sampling rate of the gyroscope when the inertial measurement unit is in the third operating mode.
Wherein the operation mode of the at least one OIS driver IC is configured as the first operation modeThe processor 710 is further configured to: via an integrated circuit bus I2C configures an operating mode of the at least one OIS driver integrated circuit to a first operating mode.
Wherein, the transmission data of the inertia measurement apparatus is obtained through the serial peripheral interface SPI, and meanwhile, when the OIS driver integrated circuit is controlled to monitor the transmission data, the processor 710 is further configured to: reading the transmission data of the inertia measuring device through the SPI according to the data acquisition parameters of the OIS driving integrated circuit, and simultaneously controlling at least one OIS driving integrated circuit to monitor the transmission data; wherein, OIS drive integrated circuit is connected with SPI, and SPI is connected with inertia measuring device and treater.
Wherein, after the step of reading the transmission data of the inertial measurement unit through the SPI according to the data acquisition parameters of the OIS driver integrated circuit, and simultaneously controlling at least one OIS driver integrated circuit to listen to the transmission data, the processor 710 is further configured to: sampling and frequency-reducing the transmission data, and outputting target data, wherein the target data is data corresponding to the frequency of the UI mode; and turning off the OIS driving integrated circuit, and restoring the working mode of the inertia measuring device to a fourth working mode.
Before or after configuring the operation mode of the at least one OIS driver ic to the first operation mode, the processor 710 is further configured to: setting the SPI to a monitoring mode; configuring the working mode of one OIS driving integrated circuit into a second working mode, and configuring the working modes of other OIS driving integrated circuits into a first working mode; and the OIS driving integrated circuit in the first working mode monitors or receives transmission data distributed by the OIS driving integrated circuit in the second working mode.
Therefore, the OIS drive integrated circuit and the processor are connected to the same network, the OIS drive integrated circuit is configured to be in the first working mode or the second working mode, and the OIS drive integrated circuit and the processor acquire the transmission data of the inertia measuring device together, so that the function of the single-output inertia measuring device for achieving double-output or multi-output inertia measuring device is achieved, the circuit design of the inertia measuring device is simplified, the number of pins is reduced, the board layout space of a printed circuit board is saved, and the layout flexibility is enhanced.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.
The electronic device provides wireless broadband internet access to the user via the network module 702, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the electronic apparatus 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 701 in case of a phone call mode.
The electronic device 700 also includes at least one sensor 705, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or a backlight when the electronic device 700 is moved to the ear. As one type of motion sensor, an accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of an electronic device (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 705 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the electronic device. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the electronic device, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the electronic device, which is not limited herein.
The interface unit 708 is an interface for connecting an external device to the electronic apparatus 700. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the electronic apparatus 700 or may be used to transmit data between the electronic apparatus 700 and the external device.
The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 709 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 710 is a control center of the electronic device, connects various parts of the whole electronic device by using various interfaces and lines, performs various functions of the electronic device and processes data by running or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby monitoring the whole electronic device. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.
The electronic device 700 may also include a power supply 711 (e.g., a battery) for providing power to the various components, and preferably, the power supply 711 may be logically coupled to the processor 710 via a power management system, such that functions of managing charging, discharging, and power consumption may be performed via the power management system.
In addition, the electronic device 700 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides an electronic device, which includes a processor 710, a memory 709, and a computer program stored in the memory 709 and capable of running on the processor 710, where the computer program is executed by the processor 710 to implement each process of the data obtaining method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the data acquisition method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (13)

1. An OIS driver circuit structure, comprising:
an inertial measurement unit;
the processor is connected with the inertia measuring device through a Serial Peripheral Interface (SPI);
at least one optical anti-shake OIS driver integrated circuit connected to the processor, the OIS driver integrated circuit connected to the SPI;
the processor is configured to: and configuring the working mode of the OIS driving integrated circuit, and acquiring the transmission data of the inertial measurement unit together with the OIS driving integrated circuit.
2. The OIS driver circuit structure of claim 1 in which the SPI is for connecting a clock signal line, a chip select signal line, a master output slave input signal line and a master input slave output signal line;
the clock signal line, the chip select signal line, and the master-output slave input signal line transmit data from the processor to the inertial measurement unit, and the master-input slave output signal line transmit data from the inertial measurement unit to the processor.
3. The OIS driver circuit structure of claim 2 in which the OIS driver integrated circuit is connected to the clock signal line, the chip select signal line, the master output slave input signal line and the master input slave output signal line respectively.
4. The OIS driver circuit structure of claim 1 in which the processor is connected via an integrated circuit bus I2And C is connected with the OIS driving integrated circuit.
5. The OIS driver circuit structure of claim 1 in which the processor is configured to: and configuring the OIS drive integrated circuit into a first working mode, reading the transmission data of the inertial measurement unit, and controlling the OIS drive integrated circuit to monitor the transmission data of the inertial measurement unit.
6. The OIS driver circuit structure of claim 1 in which the processor is configured to: and configuring the OIS driving integrated circuit into a second working mode, and monitoring transmission data of the inertial measurement unit.
7. An electronic device characterized by comprising the OIS driver circuit arrangement of any of claims 1 to 6.
8. A data acquisition method applied to the OIS driver circuit structure of claim 1 disposed in an electronic device, comprising:
under the condition that the working mode of the electronic equipment is an optical anti-shake OIS mode, configuring the working mode of at least one OIS driving integrated circuit into a first working mode;
and acquiring transmission data of the inertia measurement device through a Serial Peripheral Interface (SPI), and controlling the OIS to drive an integrated circuit to monitor the transmission data.
9. The method according to claim 8, wherein before configuring the operation mode of the at least one OIS driver integrated circuit to the first operation mode in the case that the operation mode of the electronic device is the optical anti-shake OIS mode, further comprising:
detecting the working mode of the inertia measuring device;
configuring an operating mode of the OIS driver integrated circuit to a second operating mode when the inertial measurement unit is in a third operating mode corresponding to an OIS function;
when the inertial measurement unit is in a fourth working mode corresponding to a User Interface (UI) function, reducing the range of a gyroscope contained in the inertial measurement unit to a first range through the SPI, and increasing the sampling rate of the gyroscope to the first sampling rate;
wherein the first range is a range of the gyroscope when the inertial measurement unit is in the third operating mode; the first sampling rate is a sampling rate of the gyroscope when the inertial measurement unit is in the third operating mode.
10. The method of claim 9, wherein configuring the operating mode of the at least one OIS driver integrated circuit to the first operating mode comprises:
via an integrated circuit bus I2C, configuring the working mode of at least one OIS driving integrated circuit to be the first working mode.
11. The method according to claim 10, wherein the obtaining the transmission data of the inertial measurement unit through the SPI and controlling the OIS driver ic to listen to the transmission data comprises:
reading the transmission data of the inertia measuring device through the SPI according to the data acquisition parameters of the OIS driving integrated circuits, and simultaneously controlling at least one OIS driving integrated circuit to monitor the transmission data;
wherein the OIS driver integrated circuit is connected with the SPI, and the SPI is connected with the inertia measurement device and the processor.
12. The method according to claim 11, wherein after the step of reading the transmission data of the inertial measurement unit through the SPI according to the data collection parameters of the OIS driver integrated circuits, and simultaneously controlling at least one of the OIS driver integrated circuits to listen for the transmission data, the method further comprises:
sampling and frequency-reducing the transmission data, and outputting target data, wherein the target data is data corresponding to the frequency of a UI (user interface) mode;
and turning off the OIS driving integrated circuit, and restoring the working mode of the inertial measurement unit to the fourth working mode.
13. The method of claim 8, wherein before or after configuring the operating mode of the at least one OIS driver integrated circuit to the first operating mode, further comprising:
setting the SPI to a monitoring mode;
configuring the working mode of one OIS driving integrated circuit into a second working mode, and configuring the working modes of other OIS driving integrated circuits into a first working mode;
the OIS driving integrated circuit in the second working mode configures the inertia measurement device, reads transmission data of the inertia measurement device according to data acquisition parameters, and monitors or receives the transmission data distributed by the OIS driving integrated circuit in the second working mode.
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