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Critical bug fix affecting Galileo E1 telemetry decoder if PLL is locked at 180 degrees

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This commit is contained in:
Javier Arribas
2019-03-15 13:05:20 +01:00
parent 3a399629ee
commit c0d2bc2414
1 changed files with 2 additions and 1 deletions
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3
src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_gs.cc
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@@ -522,6 +522,7 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
// try to decode frame // try to decode frame
DLOG(INFO) << "Starting page decoder for Galileo satellite " << this->d_satellite; DLOG(INFO) << "Starting page decoder for Galileo satellite " << this->d_satellite;
d_preamble_index = d_sample_counter; // record the preamble sample stamp d_preamble_index = d_sample_counter; // record the preamble sample stamp
d_CRC_error_counter = 0;
d_stat = 2; d_stat = 2;
} }
else else
@@ -555,7 +556,7 @@ int galileo_telemetry_decoder_gs::general_work(int noutput_items __attribute__((
{ {
for (uint32_t i = 0; i < d_frame_length_symbols; i++) for (uint32_t i = 0; i < d_frame_length_symbols; i++)
{ {
d_page_part_symbols[i] = d_symbol_history.at(i + d_samples_per_preamble); // because last symbol of the preamble is just received now! d_page_part_symbols[i] = -d_symbol_history.at(i + d_samples_per_preamble); // because last symbol of the preamble is just received now!
} }
} }
decode_INAV_word(d_page_part_symbols, d_frame_length_symbols); decode_INAV_word(d_page_part_symbols, d_frame_length_symbols);