[Ovmsdev] Do I have to flash "entire chip" with esptool if I already have the code on my OVMS box?

[Michael Balzer]

Links:

- https://docs.openvehicles.com/en/latest/userguide/ota.html
- 
https://docs.openvehicles.com/en/latest/userguide/factory.html#flash-factory-firmware-via-usb


Am 05.12.20 um 12:51 schrieb Michael Balzer:
> Steve,
>
> I know of no case of bricking by flashing the firmware.
>
> Using the developing environment, a simple "make app-flash" will do 
> the esptool call for you.
>
> Of course you can also flash OTA. I usually flash my desk/development 
> module by USB and the one in my car via Wifi from my local server. 
> It's up to you. Flashing OTA can only update the firmware, but that's 
> normally sufficient.
>
> The "-dirty" tag is appended when building from a "dirty" working 
> tree, i.e. one with uncommitted changes.
>
> Regards,
> Michael
>
>
> Am 05.12.20 um 11:40 schrieb Steve Davies:
>> Hi Mark et-al,
>>
>> I've installed the esp32 and the esp-idf environments on my Mac and 
>> successfully build the OVMS firmware.
>>
>> In the developer guide it then covers how to flash the box with esptool.
>>
>> But: do I need to do that? - my OVMS box is up and running already -
>>
>> I'm guessing I can use OTA update to update with
>>
>> steve at maximus OVMS.V3 % ls -l  build/ovms3.bin
>> -rw-r--r--  1 steve  staff  2986336 Dec  5 12:24 build/ovms3.bin
>>
>> ?
>>
>> Since the "flash from web" and and "flash from file" are looking for 
>> an ovms.bin.
>>
>> Nervous to brick my box since it was expensive to get it to Cape Town.
>>
>> By the way, my build prints 'App "ovms3" version: 
>> 3.2.015-162-g10232c58-dirty'
>>
>> I recognise the git commit hash, but what is the "-dirty"?
>>
>> (I build a "bmwi3" branch of a fork of the original project - maybe 
>> that answers my own question?)
>>
>> My OVMS box currently says it's running "3.2.015/ota_0/main (build 
>> idf v3.3.2-881-g22d636b7b Sep 2 2020 08:32:35)"
>>
>> Thanks,
>> Steve
>>
>>
>>
>>
>> _______________________________________________
>> OvmsDev mailing list
>> OvmsDev at lists.openvehicles.com
>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
> -- 
> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
>
> _______________________________________________
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> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev

-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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