flipperzero-firmware
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New frequency analyzer
What's new
New frequency analyzer view:
- Ability to set RSSI trigger level
- Sound and vibration on signal detect
- The last detected frequency is displayed
- The interface looks better

Verification
- Start "Sub-GHz"
- Select "Frequency Analyzer"
- Check out the new Frequency Analyzer!
- Try to generate any signal nearby
- "Success" sound and vibration should be played
- The last frequency value and the last RSSI level should be displayed
- You can press left and right to set RSSI trigger level
Checklist (For Reviewer)
- [ ] PR has description of feature/bug or link to Confluence/Jira task
- [ ] Description contains actions to verify feature/bugfix
- [ ] I've built this code, uploaded it to the device and verified feature/bugfix
Related to #1480 and #1466.
I have formatted the code.
One last minor fix: round frequency value to KHz (299999990Hz to 300000000Hz).
Why close?
I just don't want to wait. So I closed it and merged it into 3rd party branch. GitHub can't fork two projects with the same name.
It will let you create different branches within your fork if you want to make a dev branch to PR this again, DM me on Discord if you need help.
Created new pull request: https://github.com/flipperdevices/flipperzero-firmware/pull/1557 And it's much better.