/*
Function:
void APP_NVMwriteWord (uint32_t address, uint32_t data)
Summary:
Writes a word in flash memory (4 bytes)
*/
void APP_NVMwriteWord(uint32_t address, uint32_t data)
{
/* Base address of where word is to be written */
PLIB_NVM_FlashAddressToModify(NVM_ID_0, virtualToPhysical(address));
/* Word of data to be written */
PLIB_NVM_FlashProvideData(NVM_ID_0 , data);
/* Disable flash write/erase operations */
PLIB_NVM_MemoryModifyInhibit(NVM_ID_0);
/* Select Word Program operation */
PLIB_NVM_MemoryOperationSelect(NVM_ID_0, WORD_PROGRAM_OPERATION);
/* Enable flash write/erase operations */
PLIB_NVM_MemoryModifyEnable(NVM_ID_0);
/* Write the unlock key sequence */
PLIB_NVM_FlashWriteKeySequence(NVM_ID_0, 0x0);
PLIB_NVM_FlashWriteKeySequence(NVM_ID_0, 0xAA996655);
PLIB_NVM_FlashWriteKeySequence(NVM_ID_0, 0x556699AA);
/* Start Writing */
PLIB_NVM_FlashWriteStart(NVM_ID_0);
bttask_setState(BTTASK_STATE_INTERNAL_NVM_WRITE_START);
}
static void PerformOperation(uint32_t nvmop) {
// Disable flash write/erase operations
PLIB_NVM_MemoryModifyInhibit(NVM_ID_0);
PLIB_NVM_MemoryOperationSelect(NVM_ID_0, nvmop);
// Allow memory modifications
PLIB_NVM_MemoryModifyEnable(NVM_ID_0);
/* Unlock the Flash */
PLIB_NVM_FlashWriteKeySequence(NVM_ID_0, 0);
PLIB_NVM_FlashWriteKeySequence(NVM_ID_0, NVM_PROGRAM_UNLOCK_KEY1);
PLIB_NVM_FlashWriteKeySequence(NVM_ID_0, NVM_PROGRAM_UNLOCK_KEY2);
PLIB_NVM_FlashWriteStart(NVM_ID_0);
}