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spidrv.h

spidrv.h 2.2 KB
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  1. /* ========================================================================
    2. 

  2.  * [PROJECT]    SIR100
    3. 

  3.  * [MODULE]     SPI
    4. 

  4.  * [TITLE]      spi header file
    5. 

  5.  * [FILE]       spi.h
    6. 

  6.  * [VSN]        1.0
    7. 

  7.  * [CREATED]    12052007
    8. 

  8.  * [LASTCHNGD]  12052007
    9. 

  9.  * [COPYRIGHT]  Copyright (C) STREAMIT BV 2010
    10. 

  10.  * [PURPOSE]    API and global defines for SPI module
    11. 

  11.  * ======================================================================== */
    12. 

  12. 

  13. #ifndef _SPI_H
    14. 

  14. #define _SPI_H
    15. 

  15. 

  16. 

  17. /*-------------------------------------------------------------------------*/
    18. 

  18. /* global defines                                                          */
    19. 

  19. /*-------------------------------------------------------------------------*/
    20. 

  20. #define SPEED_SLOW         0
    21. 

  21. #define SPEED_FAST         1
    22. 

  22. #define SPEED_ULTRA_FAST   2
    23. 

  23. 

  24. /*-------------------------------------------------------------------------*/
    25. 

  25. /* typedefs & structs                                                      */
    26. 

  26. /*-------------------------------------------------------------------------*/
    27. 

  27. typedef enum
    28. 

  28. {
    29. 

  29.     SPI_DEV_VS10XX=0,
    30. 

  30.     SPI_DEV_FLASH,
    31. 

  31.     SPI_DEV_MMC,
    32. 

  32. 

  33.     SPI_NROF_DEVICES        // keep last
    34. 

  34. }TSPIDevice;
    35. 

  35. /*--------------------------------------------------------------------------*/
    36. 

  36. /*  Global variables                                                        */
    37. 

  37. /*--------------------------------------------------------------------------*/
    38. 

  38. 

  39. /*-------------------------------------------------------------------------*/
    40. 

  40. /* export global routines (interface)                                      */
    41. 

  41. /*-------------------------------------------------------------------------*/
    42. 

  42. extern void SPIselect(TSPIDevice Device);
    43. 

  43. extern void SPIdeselect(void);
    44. 

  44. extern void SPIputByte(u_char bByte);       // send byte using SPI, ignore result
    45. 

  45. extern u_char SPIgetByte(void);             // read byte using SPI, don't use any input
    46. 

  46. extern u_char SPItransferByte(u_char);      // send byte using SPI, return result
    47. 

  47. extern void SPIinit(void);                  // initialise SPI-registers (speed, mode)
    48. 

  48. extern void SPImode(u_char data);
    49. 

  49. extern u_char SPIgetmode(void);
    50. 

  50. 

  51. #endif /* _SPI_H */
    52. 

  52. /*  ÍÍÍÍ  End Of File  ÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ */
    53. 

  53.