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bt-67xx_universal_hw
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bt-67xx_univers...
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peripheral_modules
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inc
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spi_flash.h

spi_flash.h 1.5 KB
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  1. #ifndef SPI_FLASH_H
    2. 

  2. #define SPI_FLASH_H
    3. 

  3. 

  4. #include <stdint.h>
    5. 

  5. #include <stdbool.h>
    6. 

  6. #include <stdlib.h>
    7. 

  7. #include <string.h>
    8. 

  8. #include <unistd.h>
    9. 

  9. #ifdef PRINTF_STDLIB
    10. 

  10. #include <stdio.h>
    11. 

  11. #endif
    12. 

  12. #ifdef PRINTF_CUSTOM
    13. 

  13. #include "tinystdio.h"
    14. 

  14. #endif
    15. 

  15. 

  16. #define SPI_FLASH_SECTOR_SIZE		        4096
    17. 

  17. #define SPI_FLASH_SECTORS_IN_BLOCK_NUMBER   16
    18. 

  18. #define SPI_FLASH_BLOCK_SIZE                16//4
    19. 

  19. #define SPI_FLASH_BLOCK_NUMBER		        32
    20. 

  20. 

  21. // SPI flash partitioning layout
    22. 

  22. #define LOG_FLASH_SECTOR_OFFSET	4
    23. 

  23. #ifdef HARDWARE_BT6711
    24. 

  24. // assuming 512 sectors
    25. 

  25. #define ALARM_LOG_FLASH_SECTOR_OFFSET	174
    26. 

  26. #define SECTOR_COUNT 170
    27. 

  27. #define FIRMWARE_UPDATE_SECTOR_OFFSET	344
    28. 

  28. #define FIRMWARE_UPDATE_SECTOR_COUNT	(512 - FIRMWARE_UPDATE_SECTOR_OFFSET)
    29. 

  29. #else // HARDWARE_BT6711
    30. 

  30. #define ALARM_LOG_FLASH_SECTOR_OFFSET	258
    31. 

  31. #define SECTOR_COUNT (spi_flash_desc.sector_count/2 - LOG_FLASH_SECTOR_OFFSET)
    32. 

  32. #endif // HARDWARE_BT6711
    33. 

  33. 

  34. #if defined ( __ICCARM__ )
    35. 

  35. typedef int ssize_t;
    36. 

  36. #endif
    37. 

  37. 

  38. typedef struct {
    39. 

  39. 	bool present;
    40. 

  40. //	uint16_t sector_size;
    41. 

  41. 	uint32_t sector_size;
    42. 

  42. 	uint8_t sector_erase_op;
    43. 

  43. 	uint16_t sector_count;
    44. 

  44. } spi_flash_desc_t;
    45. 

  45. 

  46. extern spi_flash_desc_t spi_flash_desc;
    47. 

  47. 

  48. extern bool spi_flash_init(void);
    49. 

  49. extern ssize_t spi_flash_read(int addr, void *buf, size_t len, uint32_t timeout);
    50. 

  50. extern ssize_t spi_flash_write(int addr, const void *buf, size_t len, uint32_t timeout);
    51. 

  51. extern int spi_flash_erase_sector(int addr, uint32_t timeout);
    52. 

  52. extern int spi_flash_chip_erase(uint32_t timeout);
    53. 

  53. extern bool spi_flash_test(void);
    54. 

  54. #endif /* SPI_FLASH_H */
    55.