arduino / arduino/ArduinoCore-avr

i2c_scanner is scanning reserved addresses

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#319 8 comments 0 reactions 0 assignees View on GitHub
Dominant language
C
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Description

i2c address below 0x08 and above 0x77 are reserved.
https://www.i2c-bus.org/addressing/
The i2c scanner should be not be scanning the reserved address space.

Contributor guide

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Research direction

Locate the i2c_scanner implementation in the ArduinoCore-avr repository and inspect how its address bounds are defined. Confirm that scanning excludes addresses below 0x08 and above 0x77, then verify the scanner no longer probes those reserved ranges.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
embedded-iot
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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