MT2503_fota_introduction
mt2503 FOTA Support Info (1/2)
Delta image update mechanism
– Not support by default
– We provide FOTA related interface, help customer/vendor to porting his own FOTA solution.
Please refer to “FOTA update agent porting guide” part.
e.g. if customer need GMobi FOTA, should connect and cowork with vendor to integrate in customer side.
Full image update mechanism
e.g. if customer need GMobi FOTA, should connect and cowork with vendor to integrate in customer side.
Full image update mechanism. – If want to use full image FOTA directly, customer should make sure if
there is enough flash margin or not in 2503 project.
FOTA upgrade package file need be put in FAT. The FAT margin should be
almost equal to you’re the whole code size.
GPS firmware update. – Update firmware of GPS chip. – GPS firmware is about 517KB.
2503 FOTA Support Info (2/2)
Feature option (in make file) – FUNET_ENABLE = FULL_IMAGE_UPDATE
Related compile option. – Origin full image FOTA.
CONFIDENTIAL B
__FUNET_ENABLE__
Defined by FUNET_ENABLE feature option – GPS firmware update
__GPS_FW_UPDATE_SUPPORT__
Defined in bootloader_ext.mak, depend on FUNET_ENABLE.
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