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I have a fixed stack bootloader application that I built, but from time to time, would like to update the profile. I don't really need to update the BLE stack, so the memory price to implement a upgradeable stack is too high. I simply want to be able to add custom attributes/characteristics to the existing profile. My thought was that I could do that with a profile only BLE component in the bootloadable application and swap it in over the bootloader version when the bootloadable gets loaded?
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I found the relevant thread that I was referring to here: Re: Multiple profiles, supported?
The answer is no unfortunately.
Theoretically, you could implement a profile, and then just operate on the profile service values/attributes with application code, which would allow you to update how the values/attributes are handled in the application code, but that would defeat the purpose of having data separated into individual services...
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Iirc, there was a post asking a similar question (switching BLE profiles), and I want to say that the conclusion was no. There is no way to switch the profiles dynamically on the fly; But, I don't know for sure...
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Hmm, I did not see the post come up in my search. I'll try and dig some more. It sure would be handy!! And it seems like a reasonable thing to do.
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Thanks to your guidance, I was able to find this "Supporting two profiles BLE", but it does not give any discussion about how to actually do it. Any ideas?
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I found the relevant thread that I was referring to here: Re: Multiple profiles, supported?
The answer is no unfortunately.
Theoretically, you could implement a profile, and then just operate on the profile service values/attributes with application code, which would allow you to update how the values/attributes are handled in the application code, but that would defeat the purpose of having data separated into individual services...