diff options
Diffstat (limited to 'gr-msdd6000/src/msdd_source_simple.cc')
| -rw-r--r-- | gr-msdd6000/src/msdd_source_simple.cc | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/gr-msdd6000/src/msdd_source_simple.cc b/gr-msdd6000/src/msdd_source_simple.cc deleted file mode 100644 index 20b15c43d..000000000 --- a/gr-msdd6000/src/msdd_source_simple.cc +++ /dev/null @@ -1,168 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008,2009,2010 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <msdd_source_simple.h> -#include <gr_io_signature.h> -#include <string.h> -#include <cstdio> - - -msdd_source_simple_sptr -msdd_make_source_simple (const char *src, unsigned short port_src) -{ - return gnuradio::get_initial_sptr(new msdd_source_simple ( src, port_src)); -} - - -msdd_source_simple::msdd_source_simple (const char *src, - unsigned short port_src) - : gr_sync_block("MSDD_SOURCE_SIMPLE", - gr_make_io_signature (0,0,0), - gr_make_io_signature (1, 1, sizeof (short))), - rcv(new MSDD6000((char*) src)), d_lastseq(0), d_firstrun(true) -{ - set_output_multiple(MSDD_COMPLEX_SAMPLES_PER_PACKET*2); -} - -msdd_source_simple::~msdd_source_simple () -{ -} - - -int -msdd_source_simple::work (int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) -{ - -#define BUF_LEN (MSDD_COMPLEX_SAMPLES_PER_PACKET*sizeof(short)*2 + 6) - - signed short* out1 =(signed short*) output_items[0]; - - for(int i=0; i<floor(noutput_items*1.0/(2*MSDD_COMPLEX_SAMPLES_PER_PACKET));i++){ - char buffer[BUF_LEN]; - rcv->read( &buffer[0], BUF_LEN ); - - //int seq = *((int*) &buffer[2]); - int seq; - memcpy(&seq, &buffer[2], 4*sizeof(char)); - - if(d_lastseq == -MSDD_COMPLEX_SAMPLES_PER_PACKET){ - // not started case - if(seq == 0){ - d_lastseq = 0; - } else { - // THROW AWAY SAMPLES WE ARE NOT STARTED YET! - return 0; - } - - } else { - // started case - int samples_missed = seq - d_lastseq - MSDD_COMPLEX_SAMPLES_PER_PACKET; - if(samples_missed > 0){ - if(d_firstrun == true){ - // we may have missed some initial samples off the beginning of - // a stream but there are no drop outs in the middle of what we have - } else { - printf("dropped %d samples.\n", samples_missed); - } - } - d_lastseq = seq; - } - - int out_idx = i*MSDD_COMPLEX_SAMPLES_PER_PACKET*2; - memcpy(&out1[out_idx], &buffer[6], BUF_LEN - 6); - d_firstrun = false; - } - - return noutput_items; - -} - -bool msdd_source_simple::set_decim_rate(unsigned int rate) -{ - rcv->set_decim((int) floor(log2(rate))); - return true; -} - - -bool msdd_source_simple::set_rx_freq(int channel, double freq) -{ - long new_fc = (long)freq; - rcv->set_fc( new_fc/1000000, new_fc%1000000); - return true; -} - - -bool msdd_source_simple::set_pga(int which, double gain) -{ - if(gain < 0 || gain > 10){ - printf("GAIN IS OUTSIDE ACCEPTABLE RANGE!\n"); - return false; - } - // ok i lied this is not really a pga, its decimation gain - rcv->set_ddc_gain((int)gain); - return true; -} - - -bool msdd_source_simple::start() -{ - rcv->start(); - return true; -} - - -bool msdd_source_simple::stop() -{ - rcv->stop(); - return true; -} - -long msdd_source_simple::adc_freq() -{ - return 102400000; -} - -int msdd_source_simple::decim_rate() -{ - return 1 << rcv->d_decim; -} - - -std::vector<int> msdd_source_simple::gain_range() -{ - static std::vector<int> r; - r.push_back(0); - r.push_back(12); - return r; -} - -std::vector<float> msdd_source_simple::freq_range() -{ - std::vector<float> r; - r.push_back(30.0*1000*1000); - r.push_back(6.0*1000*1000*1000); - return r; -} |