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Add chip delay in Glonass L1 CA Code

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This commit is contained in:
Gastd 2017-07-18 17:53:10 -03:00
parent ce68bbf069
commit 4be07c78c7
1 changed files with 21 additions and 0 deletions
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21
src/algorithms/libs/glonass_l1_signal_processing.cc
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@ -41,6 +41,7 @@ void glonass_l1_ca_code_gen_complex(std::complex<float>* _dest,/* signed int _pr
bool G1_register[9]; bool G1_register[9];
bool feedback1; bool feedback1;
bool aux; bool aux;
unsigned int delay;
unsigned int lcv, lcv2; unsigned int lcv, lcv2;
for(lcv = 0; lcv < 9; lcv++) for(lcv = 0; lcv < 9; lcv++)
@ -78,6 +79,26 @@ void glonass_l1_ca_code_gen_complex(std::complex<float>* _dest,/* signed int _pr
} }
/* TODO: Implement the chip shifting*/ /* TODO: Implement the chip shifting*/
/* Set the delay */
delay = _code_length;
delay += _chip_shift;
delay %= _code_length;
/* Generate PRN from G1 and G2 Registers */
for(lcv = 0; lcv < _code_length; lcv++)
{
aux = G1[(lcv + _chip_shift) % _code_length];
if(aux == true)
{
_dest[lcv] = std::complex<float>(1, 0);
}
else
{
_dest[lcv] = std::complex<float>(-1, 0);
}
delay++;
delay %= _code_length;
}
} }