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added mode table per Rory (VK4SUS)

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This commit is contained in:
Ahmet Inan 2025-07-18 10:55:34 +02:00
commit 636fcd4f97
3 changed files with 94 additions and 50 deletions
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21
decode.cc
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@ -341,10 +341,14 @@ struct Decoder : Common
cmplx hard(1, 0);
if (i % block_length != head_off && i % block_length != tail_off) {
int bits = mod_bits;
if (oper_mode == 2 && l % 32 == 30)
if (mod_bits == 3 && l % 32 == 30)
bits = 2;
if (oper_mode == 7 && l % 64 == 60)
if (mod_bits == 6 && l % 64 == 60)
bits = 4;
if (mod_bits == 10 && l % 128 == 120)
bits = 8;
if (mod_bits == 12 && l % 128 == 120)
bits = 8;
demap_hard(perm+l, demod[i], bits);
hard = map_bits(perm+l, bits);
l += bits;
@ -359,10 +363,14 @@ struct Decoder : Common
for (int i = 0; i < tone_count; ++i) {
if (i % block_length != head_off && i % block_length != tail_off) {
int bits = mod_bits;
if (oper_mode == 2 && k % 32 == 30)
if (mod_bits == 3 && k % 32 == 30)
bits = 2;
if (oper_mode == 7 && k % 64 == 60)
if (mod_bits == 6 && k % 64 == 60)
bits = 4;
if (mod_bits == 10 && k % 128 == 120)
bits = 8;
if (mod_bits == 12 && k % 128 == 120)
bits = 8;
demap_soft(perm+k, demod[i], precision, bits);
k += bits;
}
@ -373,12 +381,13 @@ struct Decoder : Common
std::cerr << "preamble decoding error." << std::endl;
break;
}
if (meta_info > 7) {
if (meta_info > 255) {
std::cerr << "unsupported operation mode: " << meta_info << std::endl;
break;
}
if (!setup(meta_info))
break;
k = 0;
setup(meta_info);
for (int i = 0; i < symbol_pos+symbol_len+extended_len; ++i)
correlator(buf = next_sample());
std::cerr << "oper mode: " << oper_mode << std::endl;