2.69 Non-Volatile Memory (NVM)
This Plib implements software abstraction for NVM Peripheral.
Note: Not all APIs maybe implemented. See the specific device
family section for available APIs.
Library Interface
Non-Volatile Memory peripheral library provides the following interfaces:
Functions
| Name | Description |
|---|---|
| NVM_Initialize | Initializes given instance of the NVM peripheral |
| NVM_Read | Reads length number of bytes from a given address in FLASH memory |
| NVM_RowWrite | Writes one row of data to given NVM address |
| NVM_SingleDoubleWordWrite | Writes Two Words into the Flash |
| NVM_QuadDoubleWordWrite | Writes Eight Words into the Flash |
| NVM_DoubleWordWrite | Writes two words into the Flash |
| NVM_WordWrite | Writes One word into the Flash |
| NVM_QuadWordWrite | Writes four words into the Flash |
| NVM_PageErase | Erases a Page in the NVM |
| NVM_ErrorGet | Returns the error state of NVM controller |
| NVM_IsBusy | Returns the current status of NVM controller |
| NVM_CallbackRegister | Sets the pointer to the function (and it's context) to be called when the operation is complete |
| NVM_ProgramFlashSwapBank | Swaps the Program Flash Bank 2 |
| NVM_ProgramFlashWriteProtect | Protect Program Flash Memory from Writes |
| NVM_ProgramFlashWriteProtectLock | Disable Writes to Program Flash Write Protect Lock register |
| NVM_BootFlashWriteProtectEnable | Protect Boot Flash Memory Page from Writes |
| NVM_BootFlashWriteProtectDisable | Un-Protect Boot Flash Memory Page to perform Writes |
| NVM_BootFlashWriteProtectLock | Disable Writes to Boot flash Write Protect Lock register |
Data types and constants
| Name | Type | Description |
|---|---|---|
| NVM_ERROR | Enum | Defines the NVM Error Type |
| NVM_BOOT_FLASH_WRITE_PROTECT | Enum | Defines the Boot flash write protect pages |
| NVM_BOOT_FLASH_WRITE_PROTECT_LOCK | Enum | Defines the Write protect lock pages |
| NVM_CALLBACK | Typedef | Defines the data type and function signature for the NVM peripheral callback function |