diff options
Diffstat (limited to 'usrp/host/apps/usrp_cal_dc_offset.cc')
| -rw-r--r-- | usrp/host/apps/usrp_cal_dc_offset.cc | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/usrp/host/apps/usrp_cal_dc_offset.cc b/usrp/host/apps/usrp_cal_dc_offset.cc deleted file mode 100644 index 5f708d672..000000000 --- a/usrp/host/apps/usrp_cal_dc_offset.cc +++ /dev/null @@ -1,239 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2005,2008,2009 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3, or (at your option) - * any later version. - * - * GNU Radio is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <getopt.h> -#include <assert.h> -#include <math.h> -#include <boost/scoped_ptr.hpp> -#include <usrp/usrp_local_sighandler.h> -#include <usrp/usrp_standard.h> -#include <usrp/usrp_bytesex.h> - -char *prog_name; - - - - -static void -run_cal(usrp_standard_rx_sptr u, int which_side, int decim, bool verbose_p) -{ - static const int BUFSIZE = u->block_size(); - static const int N = BUFSIZE/sizeof (short); - short buf[N]; - bool cal_done = false; - bool overrun; - int noverruns = 0; - - static const double K = 1e-4; - long integrator[2]; - int offset[2]; - - integrator[0] = 0; - integrator[1] = 0; - offset[0] = 0; - offset[1] = 0; - - u->start(); // start data xfers - - while(!cal_done){ - int ret = u->read (buf, sizeof (buf), &overrun); - if (ret != (int) sizeof (buf)){ - fprintf (stderr, "usrp_cal_dc_offset: error, ret = %d\n", ret); - continue; - } - if (overrun){ - fprintf (stderr, "O"); - noverruns++; - } - else { - // fputc('.', stderr); - } - - static const int MAX = (1L << 30); // 1G - - for (int i = 0; i < N/2; i++){ - for (int n = 0; n < 2; n++){ - integrator[n] = integrator[n] + buf[2*i + n]; - if (integrator[n] > MAX) - integrator[n] = MAX; - else if (integrator[n] < -MAX) - integrator[n] = -MAX; - } - } - -#if 1 - for (int n = 0; n < 2; n++){ - offset[n] = (int) rint(integrator[n] * K); - if (offset[n] > 32767) - offset[n] = 32767; - else if (offset[n] < -32767) - offset[n] = -32767; - u->set_adc_offset(which_side * 2 + n, offset[n]); - } -#else - offset[0] = (int) rint(integrator[0] * K); - if (offset[0] > 32767) - offset[0] = 32767; - else if (offset[0] < -32767) - offset[0] = -32767; - u->set_adc_offset(which_side * 2 + 0, offset[0]); - u->set_adc_offset(which_side * 2 + 1, offset[0]); -#endif - - - printf ("%9ld : %6d\t\t%9ld : %6d\n", - integrator[0], offset[0], integrator[1], offset[1]); - } - - u->stop(); -} - - -static void -set_progname (char *path) -{ - char *p = strrchr (path, '/'); - if (p != 0) - prog_name = p+1; - else - prog_name = path; -} - -static void -usage () -{ - fprintf(stderr, "usage: %s [-v] [-w which_side] [-D decim] [-c ddc_freq] [-g gain]\n", prog_name); - fprintf(stderr, " [-S fusb_block_size] [-N fusb_nblocks]\n"); - exit (1); -} - -static void -die (const char *msg) -{ - fprintf (stderr, "die: %s: %s\n", prog_name, msg); - exit (1); -} - -int -main (int argc, char **argv) -{ - int ch; - int decim = 128; // 500 kS/sec - bool verbose_p = false; - int which_board = 0; - int which_side = 0; - double ddc_freq = 0; - int fusb_block_size = 1024; - int fusb_nblocks = 4; - double pga_gain = 0.0; - - set_progname(argv[0]); - - while ((ch = getopt (argc, argv, "vw:D:c:S:N:g:")) != EOF){ - switch (ch){ - - case 'w': - which_side = strtol (optarg, 0, 0); - if (which_side < 0 || which_side > 1) - usage(); - break; - - case 'D': - decim = strtol (optarg, 0, 0); - if (decim < 1) - usage(); - break; - - case 'c': - ddc_freq = strtod (optarg, 0); - break; - - case 'v': - verbose_p = true; - break; - - case 'S': - fusb_block_size = strtol(optarg, 0, 0); - break; - - case 'N': - fusb_nblocks = strtol(optarg, 0, 0); - break; - - case 'g': - pga_gain = strtod (optarg, 0); - break; - - default: - usage (); - } - } - - int nchannels = 1; - int mode = usrp_standard_rx::FPGA_MODE_NORMAL; - int mux; - - if (which_side == 0) - mux = 0x00000010; - else - mux = 0x00000032; - -#ifdef SIGINT - usrp_local_sighandler sigint (SIGINT, usrp_local_sighandler::throw_signal); -#endif -#ifdef SIGQUIT - usrp_local_sighandler sigquit (SIGQUIT, usrp_local_sighandler::throw_signal); -#endif - - usrp_standard_rx_sptr urx = - usrp_standard_rx::make(which_board, decim, - nchannels, mux, mode, - fusb_block_size, fusb_nblocks); - if (!urx) - die("usrp_standard_rx::make"); - - try { - - if (!urx->set_rx_freq(0, ddc_freq)) - die("urx->set_rx_freq"); - - urx->set_pga(2 * which_side + 0, pga_gain); - urx->set_pga(2 * which_side + 1, pga_gain); - - run_cal(urx, which_side, decim, verbose_p); - } - catch (usrp_signal &sig){ - fprintf (stderr, "usrp_cal_dc_offset: caught %s\n", sig.name().c_str()); - } - catch(...){ - fprintf (stderr, "usrp_cal_dc_offset: caught something\n"); - } -} - |