spi_flash_erase

Functions
sint8	spi_flash_erase (uint32 u32Offset, uint32 u32Sz)
	Erase a specified portion of SPI Flash. . More...

sint8 spi_flash_erase	(	uint32	u32Offset,
		uint32	u32Sz
	)

Erase a specified portion of SPI Flash.
.

Parameters

[in]	u32Offset	Address (Offset) to erase from the SPI flash.
[in]	u32Sz	Size of SPI flash required to be erased.

Note

It is blocking function

Warning

• Address (offset) plus size of data must not exceed flash size.
  
• No firmware is required for writing to SPI flash.
  
  • In case of there is a running firmware, it is required to pause your firmware first before any trial to access SPI flash to avoid any racing between host and running firmware on bus using m2m_wifi_download_mode
  • It is blocking function
    

See Also

m2m_wifi_download_mode, spi_flash_get_size

Returns

The function returns M2M_SUCCESS for successful operations and a negative value otherwise.

References FLASH_PAGE_SZ, i, M2M_PRINT, M2M_SUCCESS, spi_flash_read_status_reg(), spi_flash_sector_erase(), and spi_flash_write_enable().