EPIRB TX Application (#3081)

* First step to epirb-tx app

* Next step to epirb_tx app

* Fixed merge

* EPIRB TX app progress

- Fixed UI
- Added automatic frame resend after delay
- Added load of beacons from EPIRB/BEACONS.TXT file

* First step to adding 121.5 MHz signal

* Refactored 121.5 signal generation code

* Added frequency change when switching from BPSK to AM

* Added checkbox for AM signal.

Added START/STOP button
Added AM frequency
First step to editor mode.

* Next step to frame editor

* Fixed location bits.

* Refactored code + fixed location

* Added location fields

* UI fixes + settings backup

Fixed lat/long display
Added send on change checkbox
Added settings backup
Fixed locator edition
Fixed BEACONS.TXT to move to Self test beacons.

* Update ui_epirb_tx.cpp

Fixed timeout reset

* Added national location protocol.

Added national location protocol.
Fixed send on change.

* UI fixes

Added country selection
Separated beacon protocol and beacon type selectors

* Standard protocol

Added standard protocol
Added internal checkbox

* Fixed fomratting

* Code cleanup

* Comments / doc

* More comments / doc

* More comments / doc

Fixed pre count duration.
Added frequency restore after leaving

* Prepare merge

* Prepare merge

* Finished merge

* More comments and doc

* Update ui_epirb_tx.cpp

Fixed out of memory error when using AlphanumView

* Update proc_epirb_tx.hpp

Fixed comment

* Fixed copilot PR comments.

* Update proc_epirb_tx.hpp

Fixed formatting

* Update external.ld

Merge with kiss_tnc app

firmware/baseband/CMakeLists.txt

@@ -535,6 +535,14 @@ set(MODE_CPPSRC
 )
 DeclareTargets(PEPI epirb_rx)
 
+### EPIRB TX
+
+set(MODE_CPPSRC
+	proc_epirb_tx.cpp
+)
+DeclareTargets(PEPT epirb_tx)
+
+
 
 ### NRF RX