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SB30 OTA Guide » History » Version 2

Lion Wang, 08/06/2021 09:47 AM

1 1 Lion Wang 
h1. SB30 OTA Guide
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Update device.mk & BoardConfig.mk





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1. Modify device/inoco/sb30/device.mk





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Update OTA url (persist.vendor.otaurl) to customer's server.





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For example, update OTA url to "https://www.custurl.com"





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persist.vendor.otaurl=https://www.custurl.com/download/SB30.json





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2. Apply "sb30_ota.patch"





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sb30_ota.patch can download from 





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https://support.innocomm.com/redmine/attachments/download/3/sb30_ota.patch





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3. Build OTA package





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$ export INOCO_RPI=yes





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$ source build/envsetup.sh





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$ lunch sb30-userdebug





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$ make -j8





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$ make otapackage





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$ export INOCO_RPI=





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The ota package will be located at out/target/product/sb30/sb30-ota-???.zip





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OTA by local





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ABOTAUpdate App > Option menu > Pick File > Select "sb30-ota-???.zip"





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OTA by server





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Extract "sb30-ota-???.zip", you can find version/hash/size/incremental information as below to modify SB30.json.





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For example, extract sb30-ota-eng.lin.zip:





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sb30-ota-eng.lin/payload.bin (This is the OTA download file)





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sb30-ota-eng.lin/payload_properties.txt





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FILE_HASH=KrcnrqCzAIcnnjc1ysoVY0jpIgDPsVPB9oGjjyg34fI=





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FILE_SIZE=411430579





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METADATA_HASH=ePssh8AaT6JuDcQznmqq/kHi+ZwSUr2tBXEXwq4xLnQ=





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METADATA_SIZE=110793





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sb30-ota-eng.lin/META-INF/com/android/metadata





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post-build-incremental=1581318174





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Upload SB30.json to https://www.custurl.com/download/





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Upload payload.bin to https://www.custurl.com/download/





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SB30.json:





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{





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    "master":{





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        "version":"1581318174",





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        "url":"https://www.custurl.com/download/payload.bin",





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        "description":"This is Note for Master, upgrade to version 1581318174",





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        "FILE_HASH":"KrcnrqCzAIcnnjc1ysoVY0jpIgDPsVPB9oGjjyg34fI=",





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        "FILE_SIZE":411430579,





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        "METADATA_HASH":"ePssh8AaT6JuDcQznmqq/kHi+ZwSUr2tBXEXwq4xLnQ=",





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        "METADATA_SIZE":110793





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    }





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}





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ABOTAUpdate App will compare "version"(the value of ro.build.version.incremental) from this content and then use TAG "url" as downloading path.





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If your firmware version is NUM_VERSION_A and then you will download version_a+.bin as your new firmware.





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If your firmware version can't be found through JSON file, and your firmware version is older than NUM_VERSION_B, then you will download "master" url specified version_b.bin as your new firmware.





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Sample Content of SB30.json





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{





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    "master":{





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        "version":"NUM_VERSION_B",





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        "url":"https://www.custurl.com/download/version_b.bin",





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...





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    },





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    "NUM_VERSION_A":{





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        "version":"NUM_VERSION_A+",





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        "url":"https://www.custurl.com/download/version_a+.bin",





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...





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    }





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}