Accessory Firmware Update Prioritization in Image Capture Systems
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Solution Overview
Problem
Existing image capture systems face challenges in properly updating firmware of accessories, such as lens units and extenders, especially when they are in abnormal states, leading to potential operational failures.
Innovation Solution
An image capture apparatus and method that enables proper firmware updates for second accessories attached to first accessories by receiving information about both, setting the update target based on the state of the first accessory, and transmitting update data, prioritizing the first accessory if its firmware update is interrupted, regardless of the second accessory's state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the firmware update process checks the update state of both the first accessory and the second accessory to determine the update target, then the update accuracy is improved, but the device complexity increases
Solution Approach 1:
The system performs preliminary checks of the update state for both the first accessory (lens unit) and the second accessory (extender) before determining the update target. This preliminary action allows the system to identify which accessory requires firmware updates in advance, ensuring accurate update targeting while managing control complexity through structured pre-assessment protocols
2Reliability
If the system prioritizes updating the first accessory when its firmware update is interrupted, then the reliability is improved, but the loss of time increases
Solution Approach 1:
The system implements beforehand cushioning by detecting interrupted firmware update states of the first accessory and prioritizing its completion before proceeding to update the second accessory. This approach ensures reliable firmware updates by addressing interrupted processes first, while the structured prioritization framework minimizes overall update time through efficient resource allocation and sequential processing
Data Source
AI summary
An image capture apparatus that makes it possible to properly update a second accessory that is attached to a first accessory attached to the image capture apparatus, and a method for controlling the image capture apparatus, are disclosed. An update target accessory, out of the attached first accessory and the second accessory attached to the first accessory, is set based on the operation status of the first accessory and the operation status of the second accessory. If it is determined that the operation status of the first accessory is abnormal, the first accessory is set as the update target accessory, regardless of the operation status of the second accessory.