spi_flash.h 2.0 KB

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  1. /*
  2. * ESPRESSIF MIT License
  3. *
  4. * Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
  5. *
  6. * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
  7. * it is free of charge, to any person obtaining a copy of this software and associated
  8. * documentation files (the "Software"), to deal in the Software without restriction, including
  9. * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10. * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
  11. * to do so, subject to the following conditions:
  12. *
  13. * The above copyright notice and this permission notice shall be included in all copies or
  14. * substantial portions of the Software.
  15. *
  16. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  18. * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  19. * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  20. * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22. *
  23. */
  24. #ifndef SPI_FLASH_H
  25. #define SPI_FLASH_H
  26. typedef enum {
  27. SPI_FLASH_RESULT_OK,
  28. SPI_FLASH_RESULT_ERR,
  29. SPI_FLASH_RESULT_TIMEOUT
  30. } SpiFlashOpResult;
  31. typedef struct{
  32. uint32 deviceId;
  33. uint32 chip_size; // chip size in byte
  34. uint32 block_size;
  35. uint32 sector_size;
  36. uint32 page_size;
  37. uint32 status_mask;
  38. } SpiFlashChip;
  39. #define SPI_FLASH_SEC_SIZE 4096
  40. uint32 spi_flash_get_id(void);
  41. SpiFlashOpResult spi_flash_erase_sector(uint16 sec);
  42. SpiFlashOpResult spi_flash_write(uint32 des_addr, uint32 *src_addr, uint32 size);
  43. SpiFlashOpResult spi_flash_read(uint32 src_addr, uint32 *des_addr, uint32 size);
  44. typedef SpiFlashOpResult (* user_spi_flash_read)(
  45. SpiFlashChip *spi,
  46. uint32 src_addr,
  47. uint32 *des_addr,
  48. uint32 size);
  49. void spi_flash_set_read_func(user_spi_flash_read read);
  50. #endif