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NMT: Rework on FSK process, no more requirement for special sample rates

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This commit is contained in:
Andreas Eversberg
2017-01-07 06:13:31 +01:00
parent 2d0bc92cde
commit d447be5e26
6 changed files with 112 additions and 85 deletions
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14
src/nmt/dms.c
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@@ -287,10 +287,13 @@ static void dms_encode_dt(nmt_t *nmt, uint8_t d, uint8_t s, uint8_t n, uint8_t *
#endif
/* render wave form */
fsk_render_frame(nmt, frame, 127, dms->frame_spl);
dms->frame_length = fsk_render_frame(nmt, frame, 127, dms->frame_spl);
dms->frame_valid = 1;
dms->frame_pos = 0;
dms->frame_length = nmt->samples_per_bit * 127;
if (dms->frame_length > dms->frame_size) {
PDEBUG(DDMS, DEBUG_ERROR, "Frame exceeds buffer, please fix!\n");
abort();
}
}
/* encode RR frame and schedule for next transmission */
@@ -331,10 +334,13 @@ static void dms_encode_rr(nmt_t *nmt, uint8_t d, uint8_t s, uint8_t n)
#endif
/* render wave form */
fsk_render_frame(nmt, frame, 77, dms->frame_spl);
dms->frame_length = fsk_render_frame(nmt, frame, 77, dms->frame_spl);
dms->frame_valid = 1;
dms->frame_pos = 0;
dms->frame_length = nmt->samples_per_bit * 77;
if (dms->frame_length > dms->frame_size) {
PDEBUG(DDMS, DEBUG_ERROR, "Frame exceeds buffer, please fix!\n");
abort();
}
}
/* check if we have to transmit a frame and render it