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CCSDS Turbo Encoder / Decoder stuff

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This commit is contained in:
Aang23 2022-06-08 21:50:47 +02:00
parent 9d7c72d972
commit bcd52ddbb8
9 changed files with 1170 additions and 0 deletions
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37
src-testing/main.cpp
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@ -11,8 +11,45 @@
**********************************************************************/
#include "logger.h"
#include "common/codings/turbo/ccsds_turbo.h"
#include <fstream>
int main(int argc, char *argv[])
{
initLogger();
codings::turbo::CCSDSTurbo ccsds_turbo(codings::turbo::BASE_223, codings::turbo::RATE_1_2);
logger->critical("Frame length {:d}", ccsds_turbo.frame_length());
logger->critical("Codeword length {:d}", ccsds_turbo.codeword_length());
uint8_t turbo_frame[223];
uint8_t turbo_codeword[3576 / 8];
std::ifstream ts_in("/home/alan/Downloads/sk8.ts");
std::ofstream encoded_in("/home/alan/encoded_turbo.ts");
float turbo_soft_frame[3576];
while (!ts_in.eof())
{
ts_in.read((char *)turbo_frame, 188);
ccsds_turbo.encode(turbo_frame, turbo_codeword);
for (int i = 0; i < 3576; i++)
{
uint8_t bit = (turbo_codeword[i / 8] >> (7 - (i % 8))) & 1;
turbo_soft_frame[i] = bit ? 1 : -1;
}
for (int i = 0; i < 100; i++)
{
int pos = rand() % 3576;
turbo_soft_frame[pos] = -turbo_soft_frame[pos];
}
ccsds_turbo.decode(turbo_soft_frame, turbo_frame, 5);
encoded_in.write((char *)turbo_frame, 188);
}
}