Public Access
twislaandClaude Opus 5.5
370f067fbf
Type, size, and the identity register read by our SD driver (CMD10): manufacturer, OEM, product name, revision, serial and date, decoded by a host-tested parser. Needed for the upstream report of #21: nothing else here could read the card's identity. This one is a Samsung 8 GB SDHC from June 2013. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
28 lines
918 B
C++
28 lines
918 B
C++
#pragma once
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#include <cstdint>
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#include <string>
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namespace roro {
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// What an SD card says it is: its CID register, 16 bytes (SD Physical Layer spec, 5.2).
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struct SdCardId {
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uint8_t manufacturer = 0; // assigned by the SD Association; see sdManufacturerName()
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char oem[3] = {}; // two characters
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char product[6] = {}; // five characters
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uint8_t revisionMajor = 0, revisionMinor = 0;
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uint32_t serial = 0;
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int year = 0, month = 0; // manufactured
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};
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SdCardId parseSdCid(const uint8_t cid[16]);
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// The usual holder of a manufacturer ID. The SD Association doesn't publish its list: these are
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// the commonly reported ones, and resold or counterfeit cards carry whatever their maker chose.
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const char* sdManufacturerName(uint8_t id);
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// "SanDisk (0x03) "SD" "SU08G" rev 8.0, serial 1234abcd, made 2014-03".
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std::string sdCardSummary(const SdCardId& id);
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} // namespace roro
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