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// DMA_DATAALIGN #define DMA_DATAALIGN_BYTE ((uint32_t)DMA_CR2_TRANS_SIZE_BYTE) // Memory data alignment: Byte #define DMA_DATAALIGN_HALFWORD ((uint32_t)DMA_CR2_TRANS_SIZE_HALFWORD) // Memory data alignment: HalfWord #define DMA_DATAALIGN_WORD ((uint32_t)DMA_CR2_TRANS_SIZE_WORD) // Memory data alignment: Word
//庫中定義的對齊關(guān)系詳細(xì)如下(由USB邏輯分析儀測得)// 原數(shù)組 : 01 02 03 04// Byte : 00 00 00 01;00 00 00 02;00 00 00 03;00 00 00 04// HalfWord : 00 00 01 02;00 00 03 04// Word : 01 02 03 04
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