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author | Josh Blum <josh@joshknows.com> | 2011-11-07 18:47:29 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2011-11-07 18:47:29 -0800 |
commit | e219ad10a6e86cd4edc748f2218e01a9890e108c (patch) | |
tree | 372f2e426781de9885889bec6aa98697006268ec /host/lib/transport/super_recv_packet_handler.hpp | |
parent | 8ff8f206d317e8d9c026fef9228a80edc241f9d4 (diff) | |
parent | 11f1390bbde65c60f45962acb128cac1ce21e474 (diff) | |
download | uhd-e219ad10a6e86cd4edc748f2218e01a9890e108c.tar.gz uhd-e219ad10a6e86cd4edc748f2218e01a9890e108c.tar.bz2 uhd-e219ad10a6e86cd4edc748f2218e01a9890e108c.zip |
Merge branch 'uhd_next'
Diffstat (limited to 'host/lib/transport/super_recv_packet_handler.hpp')
-rw-r--r-- | host/lib/transport/super_recv_packet_handler.hpp | 152 |
1 files changed, 70 insertions, 82 deletions
diff --git a/host/lib/transport/super_recv_packet_handler.hpp b/host/lib/transport/super_recv_packet_handler.hpp index 541c588e6..57aae96b1 100644 --- a/host/lib/transport/super_recv_packet_handler.hpp +++ b/host/lib/transport/super_recv_packet_handler.hpp @@ -21,15 +21,12 @@ #include <uhd/config.hpp> #include <uhd/exception.hpp> #include <uhd/convert.hpp> -#include <uhd/device.hpp> +#include <uhd/stream.hpp> #include <uhd/utils/msg.hpp> #include <uhd/utils/byteswap.hpp> -#include <uhd/types/io_type.hpp> -#include <uhd/types/otw_type.hpp> #include <uhd/types/metadata.hpp> #include <uhd/transport/vrt_if_packet.hpp> #include <uhd/transport/zero_copy.hpp> -#include <boost/thread/mutex.hpp> #include <boost/dynamic_bitset.hpp> #include <boost/foreach.hpp> #include <boost/function.hpp> @@ -124,24 +121,12 @@ public: _props.at(xport_chan).get_buff = get_buff; } - /*! - * Setup the conversion functions (homogeneous across transports). - * Here, we load a table of converters for all possible io types. - * This makes the converter look-up an O(1) operation. - * \param otw_type the channel data type - * \param width the streams per channel (usually 1) - */ - void set_converter(const uhd::otw_type_t &otw_type, const size_t width = 1){ - _io_buffs.resize(width); - _converters.resize(128); - for (size_t io_type = 0; io_type < _converters.size(); io_type++){ - try{ - _converters[io_type] = uhd::convert::get_converter_otw_to_cpu( - io_type_t::tid_t(io_type), otw_type, 1, width - ); - }catch(const uhd::value_error &){} //we expect this, not all io_types valid... - } - _bytes_per_item = otw_type.get_sample_size(); + //! Set the conversion routine for all channels + void set_converter(const uhd::convert::id_type &id){ + _io_buffs.resize(id.num_outputs); + _converter = uhd::convert::get_converter(id); + _bytes_per_otw_item = uhd::convert::get_bytes_per_item(id.input_format); + _bytes_per_cpu_item = uhd::convert::get_bytes_per_item(id.output_format); } //! Set the transport channel's overflow handler @@ -149,11 +134,6 @@ public: _props.at(xport_chan).handle_overflow = handle_overflow; } - //! Get a scoped lock object for this instance - boost::mutex::scoped_lock get_scoped_lock(void){ - return boost::mutex::scoped_lock(_mutex); - } - //! Set the scale factor used in float conversion void set_scale_factor(const double scale_factor){ _scale_factor = scale_factor; @@ -165,15 +145,12 @@ public: * Dispatch into combinations of single packet receive calls. ******************************************************************/ UHD_INLINE size_t recv( - const uhd::device::recv_buffs_type &buffs, + const uhd::rx_streamer::buffs_type &buffs, const size_t nsamps_per_buff, uhd::rx_metadata_t &metadata, - const uhd::io_type_t &io_type, - uhd::device::recv_mode_t recv_mode, - double timeout + const double timeout, + const bool one_packet ){ - boost::mutex::scoped_lock lock(_mutex); - //handle metadata queued from a previous receive if (_queue_error_for_next_call){ _queue_error_for_next_call = false; @@ -183,48 +160,34 @@ public: if (_queue_metadata.error_code != rx_metadata_t::ERROR_CODE_TIMEOUT) return 0; } - switch(recv_mode){ + size_t accum_num_samps = recv_one_packet( + buffs, nsamps_per_buff, metadata, timeout + ); - //////////////////////////////////////////////////////////////// - case uhd::device::RECV_MODE_ONE_PACKET:{ - //////////////////////////////////////////////////////////////// - return recv_one_packet(buffs, nsamps_per_buff, metadata, io_type, timeout); - } - - //////////////////////////////////////////////////////////////// - case uhd::device::RECV_MODE_FULL_BUFF:{ - //////////////////////////////////////////////////////////////// - size_t accum_num_samps = recv_one_packet( - buffs, nsamps_per_buff, metadata, io_type, timeout - ); + if (one_packet) return accum_num_samps; - //first recv had an error code set, return immediately - if (metadata.error_code != rx_metadata_t::ERROR_CODE_NONE) return accum_num_samps; + //first recv had an error code set, return immediately + if (metadata.error_code != rx_metadata_t::ERROR_CODE_NONE) return accum_num_samps; - //loop until buffer is filled or error code - while(accum_num_samps < nsamps_per_buff){ - size_t num_samps = recv_one_packet( - buffs, nsamps_per_buff - accum_num_samps, _queue_metadata, - io_type, timeout, accum_num_samps*io_type.size - ); + //loop until buffer is filled or error code + while(accum_num_samps < nsamps_per_buff){ + size_t num_samps = recv_one_packet( + buffs, nsamps_per_buff - accum_num_samps, _queue_metadata, + timeout, accum_num_samps*_bytes_per_cpu_item + ); - //metadata had an error code set, store for next call and return - if (_queue_metadata.error_code != rx_metadata_t::ERROR_CODE_NONE){ - _queue_error_for_next_call = true; - break; - } - accum_num_samps += num_samps; + //metadata had an error code set, store for next call and return + if (_queue_metadata.error_code != rx_metadata_t::ERROR_CODE_NONE){ + _queue_error_for_next_call = true; + break; } - return accum_num_samps; + accum_num_samps += num_samps; } - - default: throw uhd::value_error("unknown recv mode"); - }//switch(recv_mode) + return accum_num_samps; } private: - boost::mutex _mutex; vrt_unpacker_type _vrt_unpacker; size_t _header_offset_words32; double _tick_rate, _samp_rate; @@ -242,8 +205,9 @@ private: }; std::vector<xport_chan_props_type> _props; std::vector<void *> _io_buffs; //used in conversion - size_t _bytes_per_item; //used in conversion - std::vector<uhd::convert::function_type> _converters; //used in conversion + size_t _bytes_per_otw_item; //used in conversion + size_t _bytes_per_cpu_item; //used in conversion + uhd::convert::function_type _converter; //used in conversion double _scale_factor; //! information stored for a received buffer @@ -363,7 +327,7 @@ private: info.alignment_time = info[index].time; info.indexes_todo.set(); info.indexes_todo.reset(index); - info.data_bytes_to_copy = info[index].ifpi.num_payload_words32*sizeof(boost::uint32_t); + info.data_bytes_to_copy = info[index].ifpi.num_payload_bytes; } //if the sequence id matches: @@ -471,7 +435,7 @@ private: std::swap(curr_info, next_info); //save progress from curr -> next curr_info.metadata.has_time_spec = prev_info.metadata.has_time_spec; curr_info.metadata.time_spec = prev_info.metadata.time_spec + time_spec_t(0, - prev_info[index].ifpi.num_payload_words32*sizeof(boost::uint32_t)/_bytes_per_item, _samp_rate); + prev_info[index].ifpi.num_payload_words32*sizeof(boost::uint32_t)/_bytes_per_otw_item, _samp_rate); curr_info.metadata.more_fragments = false; curr_info.metadata.fragment_offset = 0; curr_info.metadata.start_of_burst = false; @@ -507,13 +471,8 @@ private: curr_info.metadata.time_spec = curr_info[0].time; curr_info.metadata.more_fragments = false; curr_info.metadata.fragment_offset = 0; - /* TODO SOB on RX not supported in hardware - static const int tlr_sob_flags = (1 << 21) | (1 << 9); //enable and indicator bits - curr_info.metadata.start_of_burst = curr_info[0].ifpi.has_tlr and (int(curr_info[0].ifpi.tlr & tlr_sob_flags) != 0); - */ - curr_info.metadata.start_of_burst = false; - static const int tlr_eob_flags = (1 << 20) | (1 << 8); //enable and indicator bits - curr_info.metadata.end_of_burst = curr_info[0].ifpi.has_tlr and (int(curr_info[0].ifpi.tlr & tlr_eob_flags) != 0); + curr_info.metadata.start_of_burst = curr_info[0].ifpi.sob; + curr_info.metadata.end_of_burst = curr_info[0].ifpi.eob; curr_info.metadata.error_code = rx_metadata_t::ERROR_CODE_NONE; } @@ -525,11 +484,10 @@ private: * Then copy-convert available data into the user's IO buffers. ******************************************************************/ UHD_INLINE size_t recv_one_packet( - const uhd::device::recv_buffs_type &buffs, + const uhd::rx_streamer::buffs_type &buffs, const size_t nsamps_per_buff, uhd::rx_metadata_t &metadata, - const uhd::io_type_t &io_type, - double timeout, + const double timeout, const size_t buffer_offset_bytes = 0 ){ //get the next buffer if the current one has expired @@ -551,9 +509,9 @@ private: metadata.time_spec += time_spec_t(0, info.fragment_offset_in_samps, _samp_rate); //extract the number of samples available to copy - const size_t nsamps_available = info.data_bytes_to_copy/_bytes_per_item; + const size_t nsamps_available = info.data_bytes_to_copy/_bytes_per_otw_item; const size_t nsamps_to_copy = std::min(nsamps_per_buff*_io_buffs.size(), nsamps_available); - const size_t bytes_to_copy = nsamps_to_copy*_bytes_per_item; + const size_t bytes_to_copy = nsamps_to_copy*_bytes_per_otw_item; const size_t nsamps_to_copy_per_io_buff = nsamps_to_copy/_io_buffs.size(); size_t buff_index = 0; @@ -565,7 +523,9 @@ private: } //copy-convert the samples from the recv buffer - _converters[io_type.tid](buff_info.copy_buff, _io_buffs, nsamps_to_copy_per_io_buff, _scale_factor); + if (nsamps_to_copy_per_io_buff != 0) _converter( + buff_info.copy_buff, _io_buffs, nsamps_to_copy_per_io_buff, _scale_factor + ); //update the rx copy buffer to reflect the bytes copied buff_info.copy_buff += bytes_to_copy; @@ -589,6 +549,34 @@ private: } }; +class recv_packet_streamer : public recv_packet_handler, public rx_streamer{ +public: + recv_packet_streamer(const size_t max_num_samps){ + _max_num_samps = max_num_samps; + } + + size_t get_num_channels(void) const{ + return this->size(); + } + + size_t get_max_num_samps(void) const{ + return _max_num_samps; + } + + size_t recv( + const rx_streamer::buffs_type &buffs, + const size_t nsamps_per_buff, + uhd::rx_metadata_t &metadata, + const double timeout, + const bool one_packet + ){ + return recv_packet_handler::recv(buffs, nsamps_per_buff, metadata, timeout, one_packet); + } + +private: + size_t _max_num_samps; +}; + }}} //namespace #endif /* INCLUDED_LIBUHD_TRANSPORT_SUPER_RECV_PACKET_HANDLER_HPP */ |