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Improved tone generator for proper frequency control. Also

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features a square wave mode.
Added proportional beep duration based on the RSSI as well.
Now reading the current radiosonde frequency from the
battery backed RAM instead starting with the same frequency
all the time.
This commit is contained in:
teixeluis
2021-06-16 23:23:47 +01:00
parent a80d91fb1e
commit 8aff0bb4d8
5 changed files with 25 additions and 22 deletions
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8
firmware/baseband/proc_sonde.hpp
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@@ -98,11 +98,13 @@
#include <bitset>
#define BEEP_MIN_DURATION 80
#define BEEP_DURATION_RANGE 150
#define BEEP_MIN_DURATION 60
#define BEEP_DURATION_RANGE 100
#define BEEP_BASE_FREQ 200
#define RSSI_CEILING 1000
#define PROPORTIONAL_BEEP_THRES 0.8
#define RSSI_PITCH_WEIGHT 0.7
#define RSSI_PITCH_WEIGHT 0.5
#define AUDIO_SAMPLE_RATE 24000
class SondeProcessor : public BasebandProcessor {
public: