Program flash size is too big

cbpereira
Posts: 2
Joined: Mon Apr 08, 2019 8:51 am

Program flash size is too big

Postby cbpereira » Mon Apr 08, 2019 9:33 am

I have some doubts about program size.

The program is very simple, basically, is a client https to communicate with our servers and the program size is around the 900KB

And this is a problem because I use a chip with 2MB and can't use the partition table with two OTA definitions.

It is normal the program size 900KB?
What can I do to reduce this size?
What is the best way to implement an OTA version in a flash size with 2MB only?

jcsbanks
Posts: 305
Joined: Tue Mar 28, 2017 8:03 pm

Re: Program flash size is too big

Postby jcsbanks » Mon Apr 08, 2019 10:11 am

Turning off debug in menuconfig saves 100-200KB for me.

I found that a factory application just to update one OTA application ended up bigger than the OTA application once it had webserver/user interface/file system :)

cbpereira
Posts: 2
Joined: Mon Apr 08, 2019 8:51 am

Re: Program flash size is too big

Postby cbpereira » Fri May 03, 2019 8:35 am

For you the solution is to use the factory partition to the OTA and other partitition to main application updated with the factory partition, right?

Many thanks

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