apache / apache/mynewt-core

mmc driver does not work with SanDisk SD cards

Open
#3,702 0 comments 0 reactions 0 assignees View on GitHub
Dominant language
C
Stars
891
Forks
381
Avg merge
2d 7h
Merged PRs (30d)
14

Description

It seems that driver reports that card is not present after CMD0 reply is parsed.
It looks like card send response that is incorrect but could be handled in driver.

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by locating the MMC driver code that parses the CMD0 response and reports whether a card is present. Reproduce the behavior with a SanDisk SD card, compare its response with a working card, and verify that the driver recognizes the card when the response can be handled.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
embedded-iot, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.