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Move Hagelbarger error correction code from NMT to common code

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It will be used by Radiocom 2000 also.
Some minor fixes and improvements apply.
This commit is contained in:
Andreas Eversberg
2017-07-24 19:18:01 +02:00
parent 6c64025717
commit 0cbd9657d2
7 changed files with 32 additions and 14 deletions
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4
src/nmt/frame.c
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@@ -25,9 +25,9 @@
#include "../common/sample.h"
#include "../common/debug.h"
#include "../common/timer.h"
#include "../common/hagelbarger.h"
#include "nmt.h"
#include "frame.h"
#include "hagelbarger.h"
uint64_t nmt_encode_channel(int nmt_system, int channel, int power)
{
@@ -1146,7 +1146,7 @@ const char *encode_frame(int nmt_system, frame_t *frame, int debug)
message[8] = 0x00;
for (i = 0; i < 8; i++)
message[i] = (digits[i * 2] << 4) | digits[i * 2 + 1];
hagelbarger_encode(message, code, 72);
hagelbarger_encode(message, code, 70);
memcpy(bits, "10101010101010111100010010", 26);
for (i = 0; i < 140; i++)
bits[i + 26] = ((code[i / 8] >> (7 - (i & 7))) & 1) + '0';