diff options
Diffstat (limited to 'lib/bladerf/bladerf_source_c.cc')
-rw-r--r-- | lib/bladerf/bladerf_source_c.cc | 152 |
1 files changed, 44 insertions, 108 deletions
diff --git a/lib/bladerf/bladerf_source_c.cc b/lib/bladerf/bladerf_source_c.cc index 451ba0e..7e50efc 100644 --- a/lib/bladerf/bladerf_source_c.cc +++ b/lib/bladerf/bladerf_source_c.cc @@ -81,122 +81,52 @@ bladerf_source_c::bladerf_source_c (const std::string &args) gr::io_signature::make (MIN_OUT, MAX_OUT, sizeof (gr_complex))) { int ret; - unsigned int device_number = 0; size_t fifo_size; std::string device_name; dict_t dict = params_to_dict(args); - if (dict.count("bladerf")) - { - std::string value = dict["bladerf"]; - if ( value.length() ) - { - try { - device_number = boost::lexical_cast< unsigned int >( value ); - } catch ( std::exception &ex ) { - throw std::runtime_error( - "Failed to use '" + value + "' as device number: " + ex.what()); - } - } - } - - device_name = boost::str(boost::format( "libusb:instance=%d" ) % device_number); - - try { - _dev = bladerf_common::open(device_name); - } catch(...) { - throw std::runtime_error( std::string(__FUNCTION__) + " " + - "failed to open bladeRF device " + device_name ); - } + init(dict, "source"); - /* Size of FIFO gr_complex samples, in # samples. */ fifo_size = BLADERF_SAMPLE_FIFO_SIZE; if (dict.count("fifo")) { try { fifo_size = boost::lexical_cast<size_t>(dict["fifo"]); } catch (const boost::bad_lexical_cast &e) { - std::cerr << "Warning: \"fifo\" value is invalid. Defaulting to " + std::cerr << _pfx << "Warning: \"fifo\" value is invalid. Defaulting to " << fifo_size; } if (fifo_size < BLADERF_SAMPLE_FIFO_MIN_SIZE) { fifo_size = BLADERF_SAMPLE_FIFO_MIN_SIZE; - std::cerr << "Warning: \"fifo\" value is too small. Defaulting to " + std::cerr << _pfx << "Warning: \"fifo\" value is too small. Defaulting to " << BLADERF_SAMPLE_FIFO_MIN_SIZE; } } _fifo = new boost::circular_buffer<gr_complex>(fifo_size); if (!_fifo) { - throw std::runtime_error( std::string(__FUNCTION__) + - " has failed to allocate a sample FIFO!" ); - } - - if (dict.count("fw")) - { - std::string fw = dict["fw"]; - - std::cerr << "Flashing firmware image " << fw << "..., DO NOT INTERRUPT!" - << std::endl; - ret = bladerf_flash_firmware( _dev.get(), fw.c_str() ); - if ( ret != 0 ) - std::cerr << "bladerf_flash_firmware has failed with " << ret << std::endl; - else - std::cerr << "The firmware has been successfully flashed." << std::endl; - } - - if (dict.count("fpga")) - { - std::string fpga = dict["fpga"]; - - std::cerr << "Loading FPGA bitstream " << fpga << "..." << std::endl; - ret = bladerf_load_fpga( _dev.get(), fpga.c_str() ); - if ( ret != 0 && ret != 1 ) - std::cerr << "bladerf_load_fpga has failed with " << ret << std::endl; - else - std::cerr << "The FPGA bitstream has been successfully loaded." << std::endl; - } - - std::cerr << "Using nuand LLC bladeRF #" << device_number; - - char serial[BLADERF_SERIAL_LENGTH]; - if ( bladerf_get_serial( _dev.get(), serial ) == 0 ) - std::cerr << " SN " << serial; - - struct bladerf_version ver; - if ( bladerf_fw_version( _dev.get(), &ver ) == 0 ) - std::cerr << " FW v" << ver.major << "." << ver.minor << "." << ver.patch; - - if ( bladerf_fpga_version( _dev.get(), &ver ) == 0 ) - std::cerr << " FPGA v" << ver.major << "." << ver.minor << "." << ver.patch; - - std::cerr << std::endl; - - if ( bladerf_is_fpga_configured( _dev.get() ) != 1 ) - { - std::ostringstream oss; - oss << "The FPGA is not configured! " - << "Provide device argument fpga=/path/to/the/bitstream.rbf to load it."; - - throw std::runtime_error( oss.str() ); + throw std::runtime_error( std::string(__FUNCTION__) + " " + + "Failed to allocate a sample FIFO!" ); } if (dict.count("sampling")) { std::string sampling = dict["sampling"]; - std::cerr << "Setting bladerf sampling to " << sampling << std::endl; + std::cerr << _pfx << "Setting bladerf sampling to " << sampling << std::endl; if( sampling == "internal") { ret = bladerf_set_sampling( _dev.get(), BLADERF_SAMPLING_INTERNAL ); if ( ret != 0 ) - std::cerr << "Problem while setting sampling mode " << ret << std::endl; + std::cerr << _pfx << "Problem while setting sampling mode:" + << bladerf_strerror(ret) << std::endl; } else if( sampling == "external" ) { ret = bladerf_set_sampling( _dev.get(), BLADERF_SAMPLING_EXTERNAL ); if ( ret != 0 ) - std::cerr << "Problem while setting sampling mode " << ret << std::endl; + std::cerr << _pfx << "Problem while setting sampling mode:" + << bladerf_strerror(ret) << std::endl; } else { - std::cerr << "Invalid sampling mode " << sampling << std::endl; + std::cerr << _pfx << "Invalid sampling mode " << sampling << std::endl; } } @@ -209,20 +139,19 @@ bladerf_source_c::bladerf_source_c (const std::string &args) /* Set the range of VGA2 VGA2GAIN[4:0], not recommended to be used above 30dB */ _vga2_range = osmosdr::gain_range_t( 0, 60, 3 ); - _buf_index = 0; - _num_buffers = 8; /* TODO: make it an argument */ - const size_t samp_per_buf = 1024 * 10; /* TODO: make it an argument */ - /* Initialize the stream */ + _buf_index = 0; ret = bladerf_init_stream( &_stream, _dev.get(), stream_callback, &_buffers, _num_buffers, BLADERF_FORMAT_SC16_Q12, - samp_per_buf, _num_buffers, this ); + _samples_per_buffer, _num_buffers, this ); if ( ret != 0 ) - std::cerr << "bladerf_init_stream has failed with " << ret << std::endl; + std::cerr << _pfx << "bladerf_init_stream failed: " + << bladerf_strerror(ret) << std::endl; ret = bladerf_enable_module( _dev.get(), BLADERF_MODULE_RX, true ); if ( ret != 0 ) - std::cerr << "bladerf_enable_module has failed with " << ret << std::endl; + std::cerr << _pfx << "bladerf_enable_module failed:" + << bladerf_strerror(ret) << std::endl; _thread = gr::thread::thread( boost::bind(&bladerf_source_c::read_task, this) ); } @@ -239,7 +168,8 @@ bladerf_source_c::~bladerf_source_c () ret = bladerf_enable_module( _dev.get(), BLADERF_MODULE_RX, false ); if ( ret != 0 ) - std::cerr << "bladerf_enable_module has failed with " << ret << std::endl; + std::cerr << _pfx << "bladerf_enable_module failed: " + << bladerf_strerror(ret) << std::endl; /* Release stream resources */ bladerf_deinit_stream(_stream); @@ -318,9 +248,16 @@ void bladerf_source_c::read_task() /* Start stream and stay there until we kill the stream */ status = bladerf_stream(_stream, BLADERF_MODULE_RX); - if (status < 0) + if ( status < 0 ) { std::cerr << "Source stream error: " << bladerf_strerror(status) << std::endl; + if ( status == BLADERF_ERR_TIMEOUT ) { + std::cerr << _pfx << "Try adjusting your sample rate or the " + << "\"buffers\", \"buflen\", and \"transfers\" parameters. " + << std::endl; + } + } + set_running( false ); } @@ -384,16 +321,16 @@ double bladerf_source_c::set_sample_rate( double rate ) ret = bladerf_set_sample_rate( _dev.get(), BLADERF_MODULE_RX, (uint32_t)rate, &actual ); if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "has failed to set integer rate, error " + - boost::lexical_cast<std::string>(ret) ); + "has failed to set integer rate: " + + std::string(bladerf_strerror(ret)) ); } } else { /* TODO: Fractional sample rate */ ret = bladerf_set_sample_rate( _dev.get(), BLADERF_MODULE_RX, (uint32_t)rate, &actual ); if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "has failed to set fractional rate, error " + - boost::lexical_cast<std::string>(ret) ); + "has failed to set fractional rate: " + + std::string(bladerf_strerror(ret)) ); } } @@ -409,7 +346,7 @@ double bladerf_source_c::get_sample_rate() if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + "has failed to get sample rate, error " + - boost::lexical_cast<std::string>(ret) ); + std::string(bladerf_strerror(ret)) ); } return (double)rate; @@ -433,9 +370,8 @@ double bladerf_source_c::set_center_freq( double freq, size_t chan ) if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + "failed to set center frequency " + - boost::lexical_cast<std::string>(freq) + - ", error " + - boost::lexical_cast<std::string>(ret) ); + boost::lexical_cast<std::string>(freq) + ": " + + std::string(bladerf_strerror(ret)) ); } } @@ -450,8 +386,8 @@ double bladerf_source_c::get_center_freq( size_t chan ) ret = bladerf_get_frequency( _dev.get(), BLADERF_MODULE_RX, &freq ); if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "failed to get center frequency, error " + - boost::lexical_cast<std::string>(ret) ); + "failed to get center frequency: " + + std::string(bladerf_strerror(ret)) ); } return (double)freq; @@ -549,8 +485,8 @@ double bladerf_source_c::set_gain( double gain, const std::string & name, size_t /* Check for errors */ if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "could not set " + name + " gain, error " + - boost::lexical_cast<std::string>(ret) ); + "could not set " + name + " gain: " + + std::string(bladerf_strerror(ret)) ); } return get_gain( name, chan ); @@ -584,8 +520,8 @@ double bladerf_source_c::get_gain( const std::string & name, size_t chan ) /* Check for errors */ if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "could not get " + name + " gain, error " + - boost::lexical_cast<std::string>(ret) ); + "could not get " + name + " gain: " + + std::string(bladerf_strerror(ret)) ); } return (double)g; @@ -633,8 +569,8 @@ double bladerf_source_c::set_bandwidth( double bandwidth, size_t chan ) ret = bladerf_set_bandwidth( _dev.get(), BLADERF_MODULE_RX, (uint32_t)bandwidth, &actual ); if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "could not set bandwidth, error " + - boost::lexical_cast<std::string>(ret) ); + "could not set bandwidth: " + + std::string(bladerf_strerror(ret)) ); } return get_bandwidth(); @@ -648,8 +584,8 @@ double bladerf_source_c::get_bandwidth( size_t chan ) ret = bladerf_get_bandwidth( _dev.get(), BLADERF_MODULE_RX, &bandwidth ); if( ret ) { throw std::runtime_error( std::string(__FUNCTION__) + " " + - "could not get bandwidth, error " + - boost::lexical_cast<std::string>(ret) ); + "could not get bandwidth:" + + std::string(bladerf_strerror(ret)) ); } return (double)bandwidth; |