Vibration Device IC Multi-Bus Data Transfer
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Solution Overview
Problem
Electronic devices face limitations in generating vibrations due to data transfer restrictions through specific communication interfaces like the I2C bus, leading to errors and increased operational burden when various types of data are transferred to vibration device ICs.
Innovation Solution
The use of multiple data buses, such as I2C and I2S buses, allows processors to transfer different types of data to vibration device ICs, enabling the selection and processing of specific data for generating vibrations, thereby expanding design and implementation possibilities and preventing errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single communication interface (I2C bus) is used to transfer data to the vibration device IC, then the device complexity is reduced, but the versatility of vibration generation is limited
Solution Approach 1:
The vibration device IC is designed to accept multiple types of data through different communication interfaces (I2C bus and I2S bus). The IC can process first data received via I2C bus and second data received via I2S bus, enabling a single device to perform multiple vibration generation functions with different data formats and protocols, thus improving versatility without proportionally increasing complexity.
2Adaptability or versatility
If multiple types of data are transferred through the same communication interface, then data transfer flexibility is improved, but operational errors increase
Solution Approach 1:
The communication interface is segmented into dedicated channels: the I2C bus is assigned for transferring first data (such as control commands or specific vibration patterns), while the I2S bus is assigned for transferring second data (such as audio data for haptic feedback). This segmentation prevents data type conflicts and protocol interference, ensuring reliable operation by giving each data type its own dedicated transmission path.
3Adaptability or versatility
If various types of data are transferred to the vibration device IC, then vibration generation versatility is improved, but the operational burden increases
Solution Approach 1:
The vibration device IC incorporates internal logic to automatically select and process the appropriate data type based on which communication interface receives data. When first data is received via I2C bus, the IC processes it accordingly; when second data is received via I2S bus, the IC switches to processing that data format. This self-service capability eliminates the need for external controllers to manually configure data handling, reducing operational burden while maintaining versatility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for the generation of vibrations in various manners based on data from multiple interfaces, enhancing the design and operation of electronic devices while preventing errors in vibration operations.
Implementation Method 1
the processor is configured to transfer first data to the vibration device IC through the first bus, transfer second data to the vibration device IC through the second bus different from the first bus, and control the vibration device IC to drive the vibration device based on data selected from the first data and the second data
Data Source
AI summary
According to various embodiments, there may be provided an electronic device comprising a vibration device, a vibration device integrated circuit (IC) connected to the vibration device, a first bus, a second bus, and at least one processor electrically connected to the vibration device IC through each of the first bus and the second bus; wherein the at least one processor is configured to transfer first data to the vibration device IC through the first bus, transfer second data to the vibration device IC through the second bus different from the first bus, and control the vibration device IC to drive the vibration device based on data selected from the first data and the second data. Other various embodiments are possible as well.