RTOS/CC2538: How to clone and restore CC2538/30 ZNP coordinator with Zstack 3.0.2?(develop experience share)

Tool/software: TI-RTOS

We all known,although zigbee network seems like robust with mesh topological,but if coordinator crashed unexpected(SOC or other associated hardware died),the zigbee network may be lost communication with Internet,so we need a solution backup/restore coordinator with one seamless solution.

WE ONLY NEED BACKUP/RESTORE FOLLOWING NV ITEMS:

ZCD_NV_EXTADDR,

ZCD_NV_NIB,

ZCD_NV_EXTENDED_PAN_ID,

ZCD_NV_GROUP_TABLE,

ZCD_NV_NWK_ACTIVE_KEY_INFO,

ZCD_NV_NWK_ALTERN_KEY_INFO,

ZCD_NV_APS_USE_EXT_PANID,

ZCD_NV_TCLK_TABLE_START,

ZCD_NV_PANID,

ZCD_NV_NWK_SEC_MATERIAL_TABLE_START,

ZCD_NV_BDBNODEISONANETWORK,