In scanner app, the bandwidth and sampling rate for AM modulation was incorrect. This resulted in high pitched and distorted sound. I have now copied the settings from the Audio receiver app, and now the sound in Scanner sounds good also in AM mode.
* Make default constructor for touch calibration
* Add persistent memory check value and access abstraction.
* Add persistent data_t default constructor with reasonable defaults.
* serial_format_t default constructor.
* Tidy up backlight timeout type.
* Add persistent data struct version/checking.
* Make range_t functions constexpr.
* Move ui_config and functions into class.
* Add backlight_config_t struct, separate enable and time settings.
* Update spectrum_collector.cpp
lower case correction
* Update spectrum_collector.cpp
Description changed , better explanation.
* Revert "Update spectrum_collector.cpp"
This reverts commit 4a6fc35384dd3007a4cc91c319b68d2b17232a8c.
* Revert "Update spectrum_collector.cpp"
This reverts commit 35cece1cb0b611aec2dcee474168798883da2819.
* Revert "Solving Compile error on gcc10 . Keeping same safety protection about the size of the array ,but with slightly different sintax."
This reverts commit f4db4e2b535cd722ce0f5ee6cd8094d4ba717c4f.
* Allow initial GAIN ,AMP changes after opened file
* Update spectrum_collector.cpp
lower case correction
* Update spectrum_collector.cpp
Description changed , better explanation.
* Revert "Update spectrum_collector.cpp"
This reverts commit 4a6fc35384dd3007a4cc91c319b68d2b17232a8c.
* Revert "Update spectrum_collector.cpp"
This reverts commit 35cece1cb0b611aec2dcee474168798883da2819.
* Revert "Solving Compile error on gcc10 . Keeping same safety protection about the size of the array ,but with slightly different sintax."
This reverts commit f4db4e2b535cd722ce0f5ee6cd8094d4ba717c4f.
* Recovered CTCSS-Roger_beep-MIC-GAIN from 1.5.1
* Temporary removing ALC-( for AK4951 platorm)
