mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-06-25 22:43:14 +00:00
Code Issues Releases Wiki Activity

Avoid variable length arrays

Browse Source
This commit is contained in:
Carles Fernandez 2018-08-17 01:29:29 +02:00
parent f4bdf234e3
commit 23ad333901
No known key found for this signature in database
GPG Key ID: 4C583C52B0C3877D
3 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_e1b_telemetry_decoder_cc.cc
View File

@ -163,8 +163,8 @@ galileo_e1b_telemetry_decoder_cc::~galileo_e1b_telemetry_decoder_cc()
void galileo_e1b_telemetry_decoder_cc::decode_word(double *page_part_symbols, int32_t frame_length)
{
double page_part_symbols_deint[frame_length];
// 1. De-interleave
double *page_part_symbols_deint = static_cast<double *>(volk_gnsssdr_malloc(frame_length * sizeof(double), volk_gnsssdr_get_alignment()));
deinterleaver(GALILEO_INAV_INTERLEAVER_ROWS, GALILEO_INAV_INTERLEAVER_COLS, page_part_symbols, page_part_symbols_deint);
// 2. Viterbi decoder
@ -178,8 +178,9 @@ void galileo_e1b_telemetry_decoder_cc::decode_word(double *page_part_symbols, in
}
}
int32_t page_part_bits[frame_length / 2];
int32_t *page_part_bits = static_cast<int32_t *>(volk_gnsssdr_malloc((frame_length / 2) * sizeof(int32_t), volk_gnsssdr_get_alignment()));
viterbi_decoder(page_part_symbols_deint, page_part_bits);
volk_gnsssdr_free(page_part_symbols_deint);
// 3. Call the Galileo page decoder
std::string page_String;
@ -217,6 +218,7 @@ void galileo_e1b_telemetry_decoder_cc::decode_word(double *page_part_symbols, in
d_nav.split_page(page_String.c_str(), flag_even_word_arrived);
flag_even_word_arrived = 1;
}
volk_gnsssdr_free(page_part_bits);
// 4. Push the new navigation data to the queues
if (d_nav.have_new_ephemeris() == true)
@ -370,7 +372,7 @@ int galileo_e1b_telemetry_decoder_cc::general_work(int noutput_items __attribute
// NEW Galileo page part is received
// 0. fetch the symbols into an array
int32_t frame_length = GALILEO_INAV_PAGE_PART_SYMBOLS - d_symbols_per_preamble;
double page_part_symbols[frame_length];
double *page_part_symbols = static_cast<double *>(volk_gnsssdr_malloc(frame_length * sizeof(double), volk_gnsssdr_get_alignment()));
for (int32_t i = 0; i < frame_length; i++)
{
@ -412,6 +414,7 @@ int galileo_e1b_telemetry_decoder_cc::general_work(int noutput_items __attribute
d_nav.flag_TOW_set = false;
}
}
volk_gnsssdr_free(page_part_symbols);
}
}

6
src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_e5a_telemetry_decoder_cc.cc
View File

@ -79,8 +79,8 @@ void galileo_e5a_telemetry_decoder_cc::deinterleaver(int32_t rows, int32_t cols,
void galileo_e5a_telemetry_decoder_cc::decode_word(double *page_symbols, int32_t frame_length)
{
double page_symbols_deint[frame_length];
// 1. De-interleave
double *page_symbols_deint = static_cast<double *>(volk_gnsssdr_malloc(frame_length * sizeof(double), volk_gnsssdr_get_alignment()));
deinterleaver(GALILEO_FNAV_INTERLEAVER_ROWS, GALILEO_FNAV_INTERLEAVER_COLS, page_symbols, page_symbols_deint);
// 2. Viterbi decoder
@ -93,8 +93,9 @@ void galileo_e5a_telemetry_decoder_cc::decode_word(double *page_symbols, int32_t
page_symbols_deint[i] = -page_symbols_deint[i];
}
}
int32_t page_bits[frame_length / 2];
int32_t *page_bits = static_cast<int32_t *>(volk_gnsssdr_malloc((frame_length / 2) * sizeof(int32_t), volk_gnsssdr_get_alignment()));
viterbi_decoder(page_symbols_deint, page_bits);
volk_gnsssdr_free(page_symbols_deint);
// 3. Call the Galileo page decoder
std::string page_String;
@ -109,6 +110,7 @@ void galileo_e5a_telemetry_decoder_cc::decode_word(double *page_symbols, int32_t
page_String.push_back('0');
}
}
volk_gnsssdr_free(page_bits);
// DECODE COMPLETE WORD (even + odd) and TEST CRC
d_nav.split_page(page_String);

2
src/algorithms/telemetry_decoder/gnuradio_blocks/sbas_l1_telemetry_decoder_cc.cc
View File

@ -189,7 +189,7 @@ sbas_l1_telemetry_decoder_cc::symbol_aligner_and_decoder::symbol_aligner_and_dec
{
// convolutional code properties
d_KK = 7;
int32_t nn = 2;
const int32_t nn = 2;
int32_t g_encoder[nn];
g_encoder[0] = 121;
g_encoder[1] = 91;