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comparison 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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48:2f336d212c74 49:ace431a0d0f5
1 /* SDIO Intialization divisor (400KHz max) */
2 #define SDIO_INIT_CLK_DIV ((uint8_t)0xb2)
3 /* SDIO Data Transfer Frequency (25MHz max) */
4 #define SDIO_TRANSFER_CLK_DIV ((uint8_t)0x01)
5
6 #undef SD_HAVE_DETECT
7
8 /* Going to 4 bit mode gives CRC errors */
9 #define SD_NO_4BIT
10 //#define SD_DMA_MODE ((uint32_t)0x00000000)
11 #define SD_POLLING_MODE ((uint32_t)0x00000002)
12
13 /* No idea if this is for all SD cards. The one I have has 1024 byte blocks but 512 byte reads work
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
15 */
16 #define SD_BLOCK_SIZE 512
17
18 void SD_LowLevel_DeInit(void);
19 void SD_LowLevel_Init(void);
20 void SD_LowLevel_DMA_RxConfig(uint32_t *BufferDST, uint32_t BufferSize);
21 void SD_LowLevel_DMA_TxConfig(uint32_t *BufferSRC, uint32_t BufferSize);
22