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Dependents: NNN50_CE_Test_UDP NNN50_linux_firmware NNN50_SoftAP_HelloWorld NNN50_BLEWIFISensor ... more
Functions | |
| sint8 | spi_flash_erase (uint32 u32Offset, uint32 u32Sz) |
| Erase a specified portion of SPI Flash. . | |
Function Documentation
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
- Address (offset) plus size of data must not exceed flash size.
- See also:
- m2m_wifi_download_mode, spi_flash_get_size
- Returns:
- The function returns M2M_SUCCESS for successful operations and a negative value otherwise.
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