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bds_b3i: fixing bug in b1i for d2 decoding

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This commit is contained in:
Damian Miralles
2019-03-05 16:00:26 -06:00
parent 16e66834fa
commit de964d4a77
4 changed files with 20 additions and 15 deletions
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5
src/algorithms/telemetry_decoder/gnuradio_blocks/beidou_b1i_telemetry_decoder_cc.cc
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@@ -318,8 +318,13 @@ void beidou_b1i_telemetry_decoder_cc::set_satellite(const Gnss_Satellite &satell
volk_gnsssdr_free(d_secondary_code_symbols);
volk_gnsssdr_free(d_subframe_symbols);
d_samples_per_symbol = (BEIDOU_B1I_CODE_RATE_HZ / BEIDOU_B1I_CODE_LENGTH_CHIPS) / BEIDOU_D2NAV_SYMBOL_RATE_SPS;
d_symbols_per_preamble = BEIDOU_DNAV_PREAMBLE_LENGTH_SYMBOLS;
d_samples_per_preamble = BEIDOU_DNAV_PREAMBLE_LENGTH_SYMBOLS * d_samples_per_symbol;
d_secondary_code_symbols = nullptr;
d_preamble_samples = static_cast<int32_t *>(volk_gnsssdr_malloc(d_samples_per_preamble * sizeof(int32_t), volk_gnsssdr_get_alignment()));
d_preamble_period_samples = BEIDOU_DNAV_PREAMBLE_PERIOD_SYMBOLS*d_samples_per_symbol;
d_subframe_length_symbols = BEIDOU_DNAV_PREAMBLE_PERIOD_SYMBOLS;
// Setting samples of preamble code
int32_t n = 0;

2
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
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@@ -614,7 +614,7 @@ void dll_pll_veml_tracking::start_tracking()
uint32_t preambles_bits[BEIDOU_B1I_PREAMBLE_LENGTH_BITS] = {1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0};
for (uint32_t preambles_bit : preambles_bits)
{
for (int32_t j = 0; j < d_symbols_per_bit; j++)
for (uint32_t j = 0; j < d_symbols_per_bit; j++)
{
if (preambles_bit == 1)
{