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Rotate interleaving.

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This commit is contained in:
John Greb 2015-02-06 18:59:35 +00:00
parent 988b912d3c
commit df7aef1379
1 changed files with 3 additions and 4 deletions
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7
plugins/channel/lora/lorabits.h
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@ -9,12 +9,11 @@ void LoRaDemod::interleave(char* inout)
int i, index = 6;
char in[index * 2];
for (i = 0; i < index; i++)
in[i] = inout[i];
in[i] = in[i + index] = inout[i];
// top bits are swapped ?
for (i = 0; i < index; i++) {
inout[i] = (32 & in[1 + i]) | (16 & in[0 + i]) | (8 & in[2 + i])
| (4 & in[3 + i]) | (2 & in[4 + i]) | (1 & in[5 + i]);
in[i + index] = in[i];
inout[i] = (32 & in[2 + i]) | (16 & in[1 + i]) | (8 & in[3 + i])
| (4 & in[4 + i]) | (2 & in[5 + i]) | (1 & in[6 + i]);
}
}