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@ -37,33 +37,34 @@
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#include "srslte/srslte.h"
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int nof_tx_bits = -1, nof_rx_bits = -1;
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int nof_filler_bits = -1;
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int rv_idx = 0;
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int nof_e_bits = -1;
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int rv_idx = -1;
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int cb_idx = -1;
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uint8_t systematic[6148], parity[2*6148];
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uint8_t systematic_bytes[6148/8+1], parity_bytes[2*6148/8+1];
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#define BUFFSZ 6176*3
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uint8_t bits[3*6144+12];
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uint8_t buff_b[BUFFSZ];
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float buff_f[BUFFSZ];
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float bits_f[3*6144+12];
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float bits2_f[3*6144+12];
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void usage(char *prog) {
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printf("Usage: %s -t nof_tx_bits | -c cb_idx -r nof_rx_bits [-i rv_idx -f nof_filler_bits]\n", prog);
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printf("Usage: %s -c cb_idx -e nof_e_bits [-i rv_idx]\n", prog);
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}
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void parse_args(int argc, char **argv) {
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int opt;
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while ((opt = getopt(argc, argv, "tcrif")) != -1) {
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while ((opt = getopt(argc, argv, "cei")) != -1) {
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switch (opt) {
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case 'f':
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nof_filler_bits = atoi(argv[optind]);
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break;
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case 'c':
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cb_idx = atoi(argv[optind]);
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break;
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case 't':
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nof_tx_bits = atoi(argv[optind]);
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break;
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case 'r':
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nof_rx_bits = atoi(argv[optind]);
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case 'e':
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nof_e_bits = atoi(argv[optind]);
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break;
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case 'i':
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rv_idx = atoi(argv[optind]);
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@ -73,178 +74,127 @@ void parse_args(int argc, char **argv) {
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exit(-1);
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}
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}
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if (nof_tx_bits == -1 && cb_idx == -1) {
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usage(argv[0]);
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exit(-1);
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}
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if (nof_rx_bits == -1) {
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if (nof_e_bits == -1) {
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usage(argv[0]);
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exit(-1);
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}
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}
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int main(int argc, char **argv) {
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int i;
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uint8_t *bits, *bits_out, *rm_bits, *rm_bits2, *rm_bits2_bytes, *w_buff_c;
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float *rm_symbols, *unrm_symbols, *unrm_symbols2, *w_buff_f;
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int nof_errors;
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uint8_t *rm_bits, *rm_bits2, *rm_bits2_bytes;
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float *rm_bits_f;
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parse_args(argc, argv);
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srslte_rm_turbo_gentables();
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if (cb_idx != -1) {
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nof_tx_bits = 3*srslte_cbsegm_cbsize(cb_idx)+12;
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}
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bits = malloc(sizeof(uint8_t) * nof_tx_bits);
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if (!bits) {
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rm_bits_f = malloc(sizeof(float) * nof_e_bits);
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if (!rm_bits_f) {
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perror("malloc");
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exit(-1);
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}
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bits_out = malloc(sizeof(uint8_t) * nof_tx_bits);
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if (!bits_out) {
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perror("malloc");
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exit(-1);
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}
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w_buff_c = malloc(sizeof(uint8_t) * nof_tx_bits * 10);
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if (!w_buff_c) {
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perror("malloc");
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exit(-1);
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}
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rm_bits = malloc(sizeof(uint8_t) * nof_rx_bits);
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rm_bits = malloc(sizeof(uint8_t) * nof_e_bits);
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if (!rm_bits) {
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perror("malloc");
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exit(-1);
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}
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rm_bits2 = malloc(sizeof(uint8_t) * nof_rx_bits);
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rm_bits2 = malloc(sizeof(uint8_t) * nof_e_bits);
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if (!rm_bits2) {
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perror("malloc");
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exit(-1);
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}
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rm_bits2_bytes = malloc(sizeof(uint8_t) * nof_rx_bits/8 + 1);
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rm_bits2_bytes = malloc(sizeof(uint8_t) * nof_e_bits/8 + 1);
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if (!rm_bits2_bytes) {
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perror("malloc");
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exit(-1);
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}
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rm_symbols = malloc(sizeof(float) * nof_rx_bits);
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if (!rm_symbols) {
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perror("malloc");
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exit(-1);
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}
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w_buff_f = malloc(sizeof(float) * nof_rx_bits * 10);
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if (!w_buff_f) {
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perror("malloc");
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exit(-1);
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}
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unrm_symbols = malloc(sizeof(float) * nof_tx_bits);
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if (!unrm_symbols) {
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perror("malloc");
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exit(-1);
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uint32_t st=0, end=188;
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if (cb_idx != -1) {
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st=cb_idx;
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end=cb_idx+1;
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}
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unrm_symbols2 = malloc(sizeof(float) * nof_tx_bits);
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if (!unrm_symbols2) {
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perror("malloc");
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exit(-1);
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uint32_t rv_st=0, rv_end=4;
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if (rv_idx != -1) {
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rv_st=rv_idx;
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rv_end=rv_idx+1;
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}
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for (i = 0; i < nof_tx_bits; i++) {
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bits[i] = rand() % 2;
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}
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for (cb_idx=st;cb_idx<end;cb_idx++) {
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for (rv_idx=rv_st;rv_idx<rv_end;rv_idx++) {
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uint32_t long_cb_enc = 3*srslte_cbsegm_cbsize(cb_idx)+12;
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for (i=0;i<nof_filler_bits;i++) {
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bits[3*i+0] = SRSLTE_TX_NULL;
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bits[3*i+1] = SRSLTE_TX_NULL;
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}
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printf("checking cb_idx=%3d rv_idx=%d...", cb_idx, rv_idx);
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bzero(w_buff_c, nof_tx_bits * 10 * sizeof(uint8_t));
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bzero(w_buff_f, nof_rx_bits * 10 * sizeof(float));
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for (i = 0; i < long_cb_enc; i++) {
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bits[i] = rand() % 2;
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}
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srslte_rm_turbo_tx(w_buff_c, nof_tx_bits * 10, bits, nof_tx_bits, rm_bits, nof_rx_bits, 0);
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bzero(buff_b, BUFFSZ * sizeof(uint8_t));
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if (rv_idx > 0) {
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srslte_rm_turbo_tx(w_buff_c, nof_tx_bits * 10, bits, nof_tx_bits, rm_bits, nof_rx_bits, rv_idx);
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}
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srslte_rm_turbo_tx(buff_b, BUFFSZ, bits, long_cb_enc, rm_bits, nof_e_bits, 0);
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for (i=0;i<nof_filler_bits;i++) {
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bits[3*i+0] = 0;
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bits[3*i+1] = 0;
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}
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if (rv_idx > 0) {
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srslte_rm_turbo_tx(buff_b, BUFFSZ, bits, long_cb_enc, rm_bits, nof_e_bits, rv_idx);
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}
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for (int i=0;i<nof_tx_bits/3;i++) {
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systematic[i] = bits[3*i];
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parity[i] = bits[3*i+1];
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parity[i+nof_tx_bits/3] = bits[3*i+2];
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}
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for (int i=0;i<long_cb_enc/3;i++) {
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systematic[i] = bits[3*i];
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parity[i] = bits[3*i+1];
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parity[i+long_cb_enc/3] = bits[3*i+2];
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}
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srslte_bit_pack_vector(systematic, systematic_bytes, nof_tx_bits/3);
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srslte_bit_pack_vector(parity, parity_bytes, 2*nof_tx_bits/3);
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srslte_bit_pack_vector(systematic, systematic_bytes, long_cb_enc/3);
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srslte_bit_pack_vector(parity, parity_bytes, 2*long_cb_enc/3);
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bzero(w_buff_c, nof_tx_bits * 10 * sizeof(uint8_t));
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bzero(buff_b, BUFFSZ * sizeof(uint8_t));
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bzero(rm_bits2_bytes, nof_rx_bits/8);
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srslte_rm_turbo_tx_lut(w_buff_c, systematic_bytes, parity_bytes, rm_bits2_bytes, cb_idx, nof_rx_bits, 0, 0);
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if (rv_idx > 0) {
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bzero(rm_bits2_bytes, nof_rx_bits/8);
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srslte_rm_turbo_tx_lut(w_buff_c, systematic_bytes, parity_bytes, rm_bits2_bytes, cb_idx, nof_rx_bits, 0, rv_idx);
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}
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bzero(rm_bits2_bytes, nof_e_bits/8);
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srslte_rm_turbo_tx_lut(buff_b, systematic_bytes, parity_bytes, rm_bits2_bytes, cb_idx, nof_e_bits, 0, 0);
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if (rv_idx > 0) {
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bzero(rm_bits2_bytes, nof_e_bits/8);
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srslte_rm_turbo_tx_lut(buff_b, systematic_bytes, parity_bytes, rm_bits2_bytes, cb_idx, nof_e_bits, 0, rv_idx);
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}
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srslte_bit_unpack_vector(rm_bits2_bytes, rm_bits2, nof_rx_bits);
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srslte_bit_unpack_vector(rm_bits2_bytes, rm_bits2, nof_e_bits);
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for (i = 0; i < nof_rx_bits; i++) {
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rm_symbols[i] = (float) rm_bits[i] ? 1 : -1;
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}
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for (int i=0;i<nof_e_bits;i++) {
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if (rm_bits2[i] != rm_bits[i]) {
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printf("Error in TX bit %d\n", i);
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exit(-1);
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}
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}
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for (int i=0;i<nof_rx_bits;i++) {
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rm_symbols[i] = rand()%10-5;
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}
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printf("OK TX...");
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bzero(w_buff_f, nof_rx_bits*10*sizeof(float));
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struct timeval t[3];
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gettimeofday(&t[1], NULL);
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srslte_rm_turbo_rx(w_buff_f, nof_rx_bits * 10, rm_symbols, nof_rx_bits, unrm_symbols, nof_tx_bits, rv_idx, 0);
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gettimeofday(&t[2], NULL);
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get_time_interval(t);
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printf("Old=%d us\n", t[0].tv_usec);
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bzero(unrm_symbols2, nof_tx_bits*sizeof(float));
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gettimeofday(&t[1], NULL);
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srslte_rm_turbo_rx_lut(rm_symbols, nof_rx_bits, unrm_symbols2, nof_tx_bits, rv_idx, cb_idx);
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gettimeofday(&t[2], NULL);
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get_time_interval(t);
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printf("New=%d us\n", t[0].tv_usec);
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for (int i=0;i<nof_tx_bits;i++) {
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if (unrm_symbols[i] != unrm_symbols2[i]) {
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printf("error in bit %d %f!=%f\n", i, unrm_symbols[i], unrm_symbols2[i]);
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exit(-1);
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}
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}
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for (int i=0;i<nof_e_bits;i++) {
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rm_bits_f[i] = rand()%10-5;
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}
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printf("Ok\n");
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exit(0);
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bzero(buff_f, BUFFSZ*sizeof(float));
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srslte_rm_turbo_rx(buff_f, BUFFSZ, rm_bits_f, nof_e_bits, bits_f, long_cb_enc, rv_idx, 0);
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bzero(bits2_f, long_cb_enc*sizeof(float));
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srslte_rm_turbo_rx_lut(rm_bits_f, bits2_f, nof_e_bits, cb_idx, rv_idx);
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for (int i=0;i<long_cb_enc;i++) {
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if (bits_f[i] != bits2_f[i]) {
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printf("error RX in bit %d %f!=%f\n", i, bits_f[i], bits2_f[i]);
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exit(-1);
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}
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}
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printf("OK RX\n");
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for (i=0;i<nof_tx_bits;i++) {
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bits_out[i] = unrm_symbols[i]>0?1:0;
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}
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nof_errors = 0;
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for (i = 0; i < nof_tx_bits; i++) {
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if (bits_out[i] != bits[i]) {
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nof_errors++;
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}
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}
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free(bits);
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free(rm_bits);
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free(rm_symbols);
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free(unrm_symbols);
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free(bits_out);
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if (nof_errors) {
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printf("nof_errors=%d\n", nof_errors);
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exit(-1);
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}
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free(rm_bits2);
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free(rm_bits2_bytes);
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printf("Ok\n");
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exit(0);
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}
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ismagom
9 years ago