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SDCard

Struct SDCard 

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pub struct SDCard {
    offset_sectors: usize,
}
Expand description

オンボードのブート用 microSD カード (SDHOST 制御) 用のブロックデバイス実装

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§offset_sectors: usize

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impl SDCard

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pub fn new() -> Result<Self, &'static str>

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fn probe_data_path(sd: &Self) -> Result<(), &'static str>

データ転送経路が最低限機能しているかの疎通確認(読み出し 1 セクタ)。

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impl BlockDevice for SDCard

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fn total_sectors(&self) -> usize

デバイスの総セクタ数を取得します
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fn read_raw_sector( &mut self, sector: usize, buf: &mut [u8], ) -> Result<(), &'static str>

生セクタ (512バイト) の読み込みを行います (チェックサム検証なし)
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fn write_raw_sector( &mut self, sector: usize, buf: &[u8], ) -> Result<(), &'static str>

生セクタ (512バイト) の書き込みを行います (チェックサム検証なし)
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fn should_mirror(&self) -> bool

データの二重化(ミラーリング)が必要な外部記憶デバイスかどうか

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