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Added L2C_M simple PCPS acquisition adapter and its associated unit test

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This commit is contained in:
Javier
2015-04-29 14:19:17 +02:00
parent 12b5d798a7
commit 6618c220d0
7 changed files with 521 additions and 41 deletions
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5
src/algorithms/libs/gps_l2c_signal.cc
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@@ -47,8 +47,8 @@ void gps_l2c_m_code(int32_t * _dest, unsigned int _prn)
x= GPS_L2C_M_INIT_REG[_prn-1];
for (int n=0; n<GPS_L2_M_CODE_LENGTH_CHIPS; n++)
{
x= gps_l2c_m_shift(x);
_dest[n]=(int8_t)(x&1);
x= gps_l2c_m_shift(x);
}
}
@@ -59,7 +59,7 @@ void gps_l2c_m_code_gen_complex_sampled(std::complex<float>* _dest, unsigned int
{
int32_t _code[GPS_L2_M_CODE_LENGTH_CHIPS];
if (_prn<51)
if (_prn>0 and _prn<51)
{
gps_l2c_m_code(_code, _prn);
}
@@ -86,6 +86,7 @@ void gps_l2c_m_code_gen_complex_sampled(std::complex<float>* _dest, unsigned int
// The length of the index array depends on the sampling frequency -
// number of samples per millisecond (because one C/A code period is one
// millisecond).
//TODO: Check this formula! Seems to start with an extra sample
_codeValueIndex = ceil((_ts * ((float)i + 1)) / _tc) - 1;