Add buffered feature support to port 200 & 201

[michaelbeutler]

This pull request adds support for the buffered uplink feature to the TagXLv1 decoder, allowing it to identify when an uplink is considered "buffered" based on its age. The implementation introduces a centralized threshold for buffered status and updates the payload structs and configuration logic to reflect this new feature.

Buffered uplink feature support:

• Introduced a new constant bufferedAgeThreshold in constants.go to define the age after which an uplink is considered buffered, centralizing the threshold value for easier maintenance.
• Added the decoder.FeatureBuffered flag to the Features list in getConfig for relevant port/version combinations in decoder.go, ensuring the decoder advertises support for buffered uplinks. [1] [2] [3] [4]

Payload struct enhancements:

• Implemented the decoder.UplinkFeatureBuffered interface for both Port200Payload and Port201Payload, including stub GetBufferLevel methods and the IsBuffered method, which uses the centralized threshold to determine buffered status based on timestamp age. [1] [2]

[Copilot]

Pull Request Overview

This pull request adds buffered uplink feature support to the TagXL v1 decoder for port 200 and port 201 payloads by implementing the required interface methods and updating payload configurations.

• Implements the UplinkFeatureBuffered interface for both Port200Payload and Port201Payload structs
• Adds decoder.FeatureBuffered to the features list for all port 200 and 201 payload configurations
• Defines buffered status based on timestamp age (messages older than 5 minutes are considered buffered)

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
pkg/decoder/tagxl/v1/decoder.go	Updates payload configurations to include decoder.FeatureBuffered feature
pkg/decoder/tagxl/v1/port200.go	Implements UplinkFeatureBuffered interface methods and adds interface assertion
pkg/decoder/tagxl/v1/port201.go	Implements UplinkFeatureBuffered interface methods for Port201Payload

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
pkg/decoder/tagxl/v1/decoder.go	85.12% <100.00%> (ø)
pkg/decoder/tagxl/v1/port200.go	100.00% <100.00%> (ø)
pkg/decoder/tagxl/v1/port201.go	100.00% <100.00%> (ø)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud