C++ (Cpp) PLIB_NVM_FlashProvideData示例

示例#1

文件： app_nvm.c 项目： PJayChen/Connecting-Cups-PIC32-firmware

/*
  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);
}

示例#2

文件： flash.c 项目： OpenLightingProject/ja-rule

bool Flash_WriteWord(uint32_t address, uint32_t data) {
  PLIB_NVM_FlashAddressToModify(NVM_ID_0, KVA_TO_PA(address));
  PLIB_NVM_FlashProvideData(NVM_ID_0, data);
  PerformOperation(WORD_PROGRAM_OPERATION);

  while (!PLIB_NVM_FlashWriteCycleHasCompleted(NVM_ID_0)) {
    {}
  }

  return !PLIB_NVM_WriteOperationHasTerminated(NVM_ID_0);
}