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Add function to display measurements on screen

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Use 'm' key to toggle display.
This commit is contained in:
Andreas Eversberg
2017-09-25 18:46:50 +02:00
parent e84d7a082c
commit ba036de226
26 changed files with 651 additions and 52 deletions
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6
src/cnetz/fsk_demod.c
View File

@@ -192,6 +192,9 @@ int fsk_fm_init(fsk_fm_demod_t *fsk, cnetz_t *cnetz, int samplerate, double bitr
printf("**** Writing decoder debug file '%s' ****\n", debug_filename);
#endif
fsk->dmp_frame_level = display_measurements_add(&cnetz->sender, "Frame Level", "%.1f %% (last)", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 150.0, 100.0);
fsk->dmp_frame_stddev = display_measurements_add(&cnetz->sender, "Frame Stddev", "%.1f %% (last)", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 100.0, 100.0);
return 0;
error:
@@ -393,6 +396,9 @@ got_sync:
/* received 662 bits after start of block (10 SPK blocks + 1 bit (== 2 level changes)) */
fsk->sync_time = fmod(fsk->sync_time - (66*10+2) + BITS_PER_SUPERFRAME, BITS_PER_SUPERFRAME);
}
/* update measurements */
display_measurements_update(fsk->dmp_frame_level, fabs(fsk->sync_level) / fsk->cnetz->fsk_deviation * 100.0, 0.0);
display_measurements_update(fsk->dmp_frame_stddev, fsk->sync_stddev / fabs(fsk->sync_level) * 100.0, 0.0);
/* receive frame */
cnetz_decode_telegramm(fsk->cnetz, fsk->rx_buffer, fsk->sync_level, fsk->sync_time, fsk->sync_stddev);
}

4
src/cnetz/fsk_demod.h
View File

@@ -56,6 +56,10 @@ typedef struct fsk_fm_demod {
double change_when[256]; /* ring buffer to store time when level has changed */
uint8_t change_pos; /* index for next write */
/* display measurements */
dispmeasparam_t *dmp_frame_level;
dispmeasparam_t *dmp_frame_stddev;
/* debug */
FILE *debug_fp; /* file pointer for debugging output */
} fsk_fm_demod_t;