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esp_flash: fix the set/get write protection functions

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Add support for get write protection support, fixed the duplicated
set_write_protection link.

All the write_protection check in the top layer are removed. The lower
levels (chip) should ensure to disable write protection before the
operation start.
This commit is contained in:
Michael (XIAO Xufeng)
2019-08-02 13:04:48 +08:00
parent 16ee476a77
commit 1cc860216e
7 changed files with 77 additions and 52 deletions
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2
components/spi_flash/include/esp_flash.h
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@@ -160,8 +160,6 @@ esp_err_t esp_flash_get_chip_write_protect(esp_flash_t *chip, bool *write_protec
* @note Correct behaviour of this function depends on the SPI flash chip model and chip_drv in use (via the 'chip->drv'
* field).
*
* If write protection is enabled, destructive operations will fail with ESP_ERR_FLASH_PROTECTED.
*
* Some SPI flash chips may require a power cycle before write protect status can be cleared. Otherwise,
* write protection can be removed via a follow-up call to this function.
*