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annotate stm32_eval.h @ 49:ace431a0d0f5

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Add SDIO code poached from STM. Use FatFS to read from SD card. LFN doesn't work reliably so it's disabled for now.
author Daniel O'Connor <darius@dons.net.au>
date Wed, 03 Apr 2013 23:34:20 +1030
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children d7207a9d3c3b
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49
ace431a0d0f5 Add SDIO code poached from STM. Use FatFS to read from SD card.
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1 /* SDIO Intialization divisor (400KHz max) */
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2 #define SDIO_INIT_CLK_DIV ((uint8_t)0xb2)
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3 /* SDIO Data Transfer Frequency (25MHz max) */
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4 #define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x01)
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6 #undef SD_HAVE_DETECT
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8 /* Going to 4 bit mode gives CRC errors */
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9 #define SD_NO_4BIT
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10 //#define SD_DMA_MODE ((uint32_t)0x00000000)
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11 #define SD_POLLING_MODE ((uint32_t)0x00000002)
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13 /* No idea if this is for all SD cards. The one I have has 1024 byte blocks but 512 byte reads work
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14 * Note that SD_ReadBlock forces blocksize to be 512 and divides the address by 512 but only for SDIO_HIGH_CAPACITY_SD_CARD's
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15 */
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16 #define SD_BLOCK_SIZE 512
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18 void SD_LowLevel_DeInit(void);
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19 void SD_LowLevel_Init(void);
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20 void SD_LowLevel_DMA_RxConfig(uint32_t *BufferDST, uint32_t BufferSize);
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21 void SD_LowLevel_DMA_TxConfig(uint32_t *BufferSRC, uint32_t BufferSize);
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