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| 1 | #ifndef _SDC_H_ |
1 | #ifndef _SDC_H |
| 2 | #define _SDC_H_ |
2 | #define _SDC_H |
| 3 | 3 | ||
| 4 | extern unsigned char SDC_Init(void); |
4 | #include "91x_lib.h" |
| 5 | 5 | ||
| 6 | //________________________________________________________________________________________________________________________________________ |
6 | //________________________________________________________________________________________________________________________________________ |
| 7 | // |
7 | // |
| 8 | // Functions needed for access to the sdcard. |
8 | // Functions needed for accessing the sdcard. |
| 9 | // |
9 | // |
| 10 | //________________________________________________________________________________________________________________________________________ |
10 | //________________________________________________________________________________________________________________________________________ |
| - | 11 | ||
| - | 12 | typedef enum |
|
| - | 13 | { |
|
| - | 14 | SD_SUCCESS = 0, |
|
| - | 15 | SD_ERROR_NOCARD, |
|
| - | 16 | SD_ERROR_RESET, |
|
| - | 17 | SD_ERROR_INITIALIZE, |
|
| - | 18 | SD_ERROR_BAD_RESPONSE, |
|
| - | 19 | SD_ERROR_BAD_VOLTAGE_RANGE, |
|
| - | 20 | SD_ERROR_NO_SDCARD, |
|
| - | 21 | SD_ERROR_TIMEOUT, |
|
| - | 22 | SD_ERROR_CRC_DATA, |
|
| - | 23 | SD_ERROR_WRITE_DATA, |
|
| - | 24 | SD_ERROR_READ_DATA, |
|
| - | 25 | SD_ERROR_SET_BLOCKLEN, |
|
| - | 26 | SD_ERROR_UNKNOWN |
|
| - | 27 | } SD_Result_t; |
|
| 11 | 28 | ||
| 12 | extern unsigned char SSC_GetChar(void); |
29 | extern SD_Result_t SDC_Init(void); |
| 13 | extern void SSC_PutChar(u8); |
30 | extern SD_Result_t SDC_GetSector (u32 ,u8 *); |
| - | 31 | extern SD_Result_t SDC_PutSector (u32, const u8 *); |
|
| 14 | extern void MMC_Read_Block(u8 *,u8 *,u16); |
- | |
| 15 | - | ||
| 16 | - | ||
| 17 | //________________________________________________________________________________________________________________________________________ |
- | |
| 18 | // |
- | |
| 19 | // Functions needed internaly for the fat16 implementation |
- | |
| 20 | // |
- | |
| 21 | //________________________________________________________________________________________________________________________________________ |
- | |
| 22 | - | ||
| 23 | extern unsigned char SDC_GetSector (u32,u8 *); |
- | |
| 24 | extern unsigned char SDC_PutSector (u32,u8 *); |
- | |
| 25 | extern unsigned char SDC_PutCommand (u8 *); |
- | |
| 26 | extern void SDC_GetBlock(u8 *CMD,u8 *Buffer,u16 Bytes); |
- | |
| 27 | - | ||
| 28 | - | ||
| 29 | #define nop() __asm__ __volatile__ ("nop" ::) |
32 | extern SD_Result_t SDC_Deinit(void); |
| 30 | 33 | ||
| 31 | #endif |
34 | #endif // _SDC_H |
| 32 | 35 | ||
| 33 | 36 | ||
| 34 | 37 | ||