void test_scrambling(LTE_PHY_PARAMS *lte_phy_params)
{
std::cout << "Tx scrambling starts" << std::endl;
// ReadInputFromFiles(lte_phy_params->scramb_in, lte_phy_params->scramb_in_buf_sz, "../testsuite/ScrambleInput");
GeneRandomInput(lte_phy_params->scramb_in, lte_phy_params->scramb_in_buf_sz, "../testsuite/RandomScrambleInput");
GenScrambInt(lte_phy_params->scramb_seq_int, lte_phy_params->scramb_in_buf_sz);
// double tstart, tend, ttime;
// tstart = dtime();
// for (int i = 0; i < 1; i++) {
Scrambling(lte_phy_params, lte_phy_params->scramb_in, lte_phy_params->scramb_out);
// }
// tend = dtime();
// ttime = tend - tstart;
// printf("%fms\n", ttime);
WriteOutputToFiles(lte_phy_params->scramb_out, lte_phy_params->scramb_out_buf_sz, "../testsuite/testScrambleOutput");
std::cout << "Tx scrambling ends" << std::endl;
}
void Descrambling(/*LTE_PHY_PARAMS *lte_phy_params, */float pInpSeq[N_SCRAMB_IN_MAX], float pOutSeq[N_SCRAMB_OUT_MAX], int n)
{
// int n_inp;
float scramb_seq_float[N_SCRAMB_IN_MAX];
int scramb_seq_int[N_SCRAMB_IN_MAX];
int i;
// n_inp = lte_phy_params->scramb_in_buf_sz;
// Generate integer scrambling sequence
GenScrambInt(scramb_seq_int, n);
/*
for (i = 0; i < n_inp; i++)
{
if (1 == scramb_seq_int[i])
{
scramb_seq_float[i] = -1.0;
}
else
{
scramb_seq_float[i] = +1.0;
}
}
for (i = 0; i < n_inp; i++)
pOutSeq[i] = pInpSeq[i] * scramb_seq_float[i];
*/
for (i = 0; i < n; i++)
{
pOutSeq[i] = (pInpSeq[i] * (scramb_seq_int[i] * (-2.0) + 1.0));
}
}
void test_scrambling(LTE_PHY_PARAMS *lte_phy_params)
{
std::cout << "Tx scrambling starts" << std::endl;
// ReadInputFromFiles(lte_phy_params->scramb_in, lte_phy_params->scramb_in_buf_sz, "../testsuite/ScrambleInput");
GeneRandomInput(lte_phy_params->scramb_in, lte_phy_params->scramb_in_buf_sz, "/root/Scrambling/testsuite/RandomScrambleInput");
// GeneRandomInput(lte_phy_params->scramb_in, lte_phy_params->scramb_in_buf_sz, "../testsuite/RandomScrambleInput");
GenScrambInt(lte_phy_params->scramb_seq_int, lte_phy_params->scramb_in_buf_sz);
Scrambling(lte_phy_params, lte_phy_params->scramb_in, lte_phy_params->scramb_out);
WriteOutputToFiles(lte_phy_params->scramb_out, lte_phy_params->scramb_out_buf_sz, "/root/Scrambling/testsuite/testScrambleOutput");
// WriteOutputToFiles(lte_phy_params->scramb_out, lte_phy_params->scramb_out_buf_sz, "../testsuite/testScrambleOutput");
std::cout << "Tx scrambling ends" << std::endl;
}
void test_descrambling(LTE_PHY_PARAMS *lte_phy_params)
{
std::cout << "Rx descrambling starts" << std::endl;
float *rx_scramb_in = (float *)malloc(lte_phy_params->descramb_in_buf_sz * sizeof(float));
float *rx_scramb_out = (float *)malloc(lte_phy_params->descramb_out_buf_sz * sizeof(float));
int i;
ReadInputFromFiles(lte_phy_params->descramb_in, lte_phy_params->descramb_in_buf_sz, "/root/Scrambling/testsuite/testScrambleOutput");
// ReadInputFromFiles(lte_phy_params->descramb_in, lte_phy_params->descramb_in_buf_sz, "../testsuite/testScrambleOutput");
// ReadInputFromFiles(rx_scramb_in, in_buf_sz, "testScrambleOutput");
for (i = 0; i < lte_phy_params->descramb_in_buf_sz; i++)
{
if (lte_phy_params->descramb_in[i] == 0)
rx_scramb_in[i] = -1.0;
else
rx_scramb_in[i] = 1.0;
}
GenScrambInt(lte_phy_params->scramb_seq_int, lte_phy_params->scramb_in_buf_sz);
Descrambling(lte_phy_params, rx_scramb_in, rx_scramb_out);
double energy,ttime,tbegin;
micpower_start();
tbegin = dtime();
// Descrambling(lte_phy_params, lte_phy_params->descramb_in, lte_phy_params->descramb_out);
for(i = 0;i < 100000; i++)
Descrambling(lte_phy_params, rx_scramb_in, rx_scramb_out);
ttime = dtime() - tbegin;
energy = micpower_finalize();
// printf("Energy used in %lf\n", energy);
// printf("whole time is %fms\n", ttime);
printf("%lf\t%f\t%f\n", energy, ttime, (energy * 1000.0) / ttime);
for (i = 0; i < lte_phy_params->descramb_out_buf_sz; i++)
{
if (rx_scramb_out[i] > 0)
lte_phy_params->descramb_out[i] = 1.0;
else
lte_phy_params->descramb_out[i] = 0.0;
}
WriteOutputToFiles(lte_phy_params->descramb_out, lte_phy_params->descramb_out_buf_sz, "/root/Scrambling/testsuite/testDescrambleOutput");
// WriteOutputToFiles(lte_phy_params->descramb_out, lte_phy_params->descramb_out_buf_sz, "../testsuite/testDescrambleOutput");
cout << "Rx descrambling ends" << endl;
}
void Scrambling(LTE_PHY_PARAMS *lte_phy_params, int *pInpSeq, int *pOutSeq)
{
int n_inp;
int scramb_seq_int[N_SCRAMB_IN_MAX];
int i;
n_inp = lte_phy_params->scramb_in_buf_sz;
GenScrambInt(scramb_seq_int, n_inp);
////////////////////////Scrambling////////////////////////////
for (i = 0; i < n_inp; i++)
{
pOutSeq[i] = (pInpSeq[i] + scramb_seq_int[i]) % 2;
}
////////////////////////END Scrambling////////////////////////////
}
void Scrambling(/*LTE_PHY_PARAMS *lte_phy_params, */int pInpSeq[N_SCRAMB_IN_MAX], int pOutSeq[N_SCRAMB_OUT_MAX], int n)
{
// int n_inp;
int scramb_seq_int[N_SCRAMB_IN_MAX];
int i;
// n_inp = lte_phy_params->scramb_in_buf_sz;
GenScrambInt(scramb_seq_int, n);
////////////////////////Scrambling////////////////////////////
Scrambling_label1:for (i = 0; i < n; i++)
{
#pragma HLS PIPELINE
pOutSeq[i] = (pInpSeq[i] + scramb_seq_int[i]) % 2;
}
////////////////////////END Scrambling////////////////////////////
}
void test_descrambling(LTE_PHY_PARAMS *lte_phy_params)
{
std::cout << "Rx descrambling starts" << std::endl;
float *rx_scramb_in = (float *)malloc(lte_phy_params->descramb_in_buf_sz * sizeof(float));
float *rx_scramb_out = (float *)malloc(lte_phy_params->descramb_out_buf_sz * sizeof(float));
int i;
ReadInputFromFiles(lte_phy_params->descramb_in, lte_phy_params->descramb_in_buf_sz, "../testsuite/testScrambleOutput");
// ReadInputFromFiles(rx_scramb_in, in_buf_sz, "testScrambleOutput");
GenScrambInt(lte_phy_params->scramb_seq_int, lte_phy_params->descramb_in_buf_sz);
for (i = 0; i < lte_phy_params->descramb_in_buf_sz; i++)
{
if (lte_phy_params->descramb_in[i] == 0)
rx_scramb_in[i] = -1.0;
else
rx_scramb_in[i] = 1.0;
}
int n_iters = 1;
for (i = 0; i < n_iters; i++) {
Descrambling(lte_phy_params, rx_scramb_in, rx_scramb_out);
}
for (i = 0; i < lte_phy_params->descramb_out_buf_sz; i++)
{
if (rx_scramb_out[i] > 0)
lte_phy_params->descramb_out[i] = 1.0;
else
lte_phy_params->descramb_out[i] = 0.0;
}
WriteOutputToFiles(lte_phy_params->descramb_out, lte_phy_params->descramb_out_buf_sz, "../testsuite/testDescrambleOutput");
cout << "Rx descrambling ends" << endl;
}
void Descrambling(/*LTE_PHY_PARAMS *lte_phy_params, */float pInpSeq[/*N_SCRAMB_IN_MAX*/ N_SCRAMB_IN], float pOutSeq[/*N_SCRAMB_OUT_MAX*/ N_SCRAMB_OUT], int n)
{
// int n_inp;
float scramb_seq_float[N_SCRAMB_IN_MAX];
int scramb_seq_int[N_SCRAMB_IN_MAX];
int i;
printf("%d %d\n", N_SCRAMB_IN, n);
// n_inp = lte_phy_params->scramb_in_buf_sz;
// Generate integer scrambling sequence
GenScrambInt(scramb_seq_int, n);
/*
for (i = 0; i < n_inp; i++)
{
if (1 == scramb_seq_int[i])
{
scramb_seq_float[i] = -1.0;
}
else
{
scramb_seq_float[i] = +1.0;
}
}
for (i = 0; i < n_inp; i++)
pOutSeq[i] = pInpSeq[i] * scramb_seq_float[i];
*/
for (i = 0; i < /*n*/ N_SCRAMB_IN; i++)
{
#pragma HLS PIPELINE II=4
pOutSeq[i] = (pInpSeq[i] * (scramb_seq_int[i] * (-2.0) + 1.0));
}
}
