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NXDN: Add conditions to invalidate Superframe SACCH sequences;

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Invalidate entire SACCH superframe in storage if CRC error on individual SACCH or if next SR value (part of frame) is not the expected value;

Set initial nxdn_part_of_frame value to 3 - Ideal sequence is 1/1 NSF to 1/4 SF SACCH; also set to 3 on misc frame types (CAC, FACCH2, etc)
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lwvmobile
2026-02-03 01:43:12 -05:00
parent 5af38d3563
commit d7ce5e4cae
2 changed files with 60 additions and 14 deletions
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4
src/dsd_main.c
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@@ -417,7 +417,7 @@
// state->p25_vc_freq[1] = 0;
//new nxdn stuff
state->nxdn_part_of_frame = 0;
state->nxdn_part_of_frame = 3;
state->nxdn_ran = 0;
state->nxdn_sf = 0;
memset (state->nxdn_sacch_frame_segcrc, 1, sizeof(state->nxdn_sacch_frame_segcrc)); //init on 1, bad CRC all
@@ -1202,7 +1202,7 @@
state->tg_hold = 0;
//new nxdn stuff
state->nxdn_part_of_frame = 0;
state->nxdn_part_of_frame = 3;
state->nxdn_ran = 0;
state->nxdn_sf = 0;
memset (state->nxdn_sacch_frame_segcrc, 1, sizeof(state->nxdn_sacch_frame_segcrc)); //init on 1, bad CRC all