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authorJosh Blum <josh@joshknows.com>2011-10-04 09:56:11 -0700
committerJosh Blum <josh@joshknows.com>2011-11-03 20:37:10 -0700
commitabed04b3c6d70c260d8725831b8aa6e944f52749 (patch)
tree4889ef9281c7ee8f7301287fecb2eeb2fc8be873 /host/lib
parent6c13ef7855dcfe9c825e819f69f219851387da25 (diff)
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uhd: restored super packet handler functionality
Diffstat (limited to 'host/lib')
-rw-r--r--host/lib/convert/convert_impl.cpp10
-rw-r--r--host/lib/transport/super_recv_packet_handler.hpp99
-rw-r--r--host/lib/transport/super_send_packet_handler.hpp121
3 files changed, 90 insertions, 140 deletions
diff --git a/host/lib/convert/convert_impl.cpp b/host/lib/convert/convert_impl.cpp
index 2ead2f5b4..5c9e77e93 100644
--- a/host/lib/convert/convert_impl.cpp
+++ b/host/lib/convert/convert_impl.cpp
@@ -114,6 +114,16 @@ void register_bytes_per_item(
size_t convert::get_bytes_per_item(const std::string &markup){
if (get_item_size_table().has_key(markup)) return get_item_size_table()[markup];
+
+ //OK. I am sorry about this.
+ //We didnt find a match, so lets find a match for the first term.
+ //This is partially a hack because of the way I append strings.
+ //But as long as life is kind, we can keep this.
+ const size_t pos = markup.find("_");
+ if (pos != std::string::npos){
+ return get_bytes_per_item(markup.substr(0, pos));
+ }
+
throw uhd::key_error("Cannot find an item size " + markup);
}
diff --git a/host/lib/transport/super_recv_packet_handler.hpp b/host/lib/transport/super_recv_packet_handler.hpp
index 541c588e6..4ae51e146 100644
--- a/host/lib/transport/super_recv_packet_handler.hpp
+++ b/host/lib/transport/super_recv_packet_handler.hpp
@@ -21,11 +21,9 @@
#include <uhd/config.hpp>
#include <uhd/exception.hpp>
#include <uhd/convert.hpp>
-#include <uhd/device.hpp>
+#include <uhd/streamer.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>
@@ -124,24 +122,12 @@ 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_inputs);
+ _converter = uhd::convert::get_converter(id);
+ _bytes_per_otw_item = uhd::convert::get_bytes_per_item(id.input_markup);
+ _bytes_per_cpu_item = uhd::convert::get_bytes_per_item(id.output_markup);
}
//! Set the transport channel's overflow handler
@@ -165,11 +151,9 @@ 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
){
boost::mutex::scoped_lock lock(_mutex);
@@ -183,43 +167,32 @@ public:
if (_queue_metadata.error_code != rx_metadata_t::ERROR_CODE_TIMEOUT) return 0;
}
- switch(recv_mode){
-
- ////////////////////////////////////////////////////////////////
- case uhd::device::RECV_MODE_ONE_PACKET:{
- ////////////////////////////////////////////////////////////////
- return recv_one_packet(buffs, nsamps_per_buff, metadata, io_type, timeout);
- }
+ size_t accum_num_samps = recv_one_packet(
+ buffs, nsamps_per_buff, metadata, timeout
+ );
- ////////////////////////////////////////////////////////////////
- case uhd::device::RECV_MODE_FULL_BUFF:{
- ////////////////////////////////////////////////////////////////
- size_t accum_num_samps = recv_one_packet(
- buffs, nsamps_per_buff, metadata, io_type, timeout
- );
+ #ifdef SRPH_TEST_MODE_ONE_PACKET
+ return accum_num_samps;
+ #endif
- //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:
@@ -242,8 +215,9 @@ 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
@@ -471,7 +445,7 @@ 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;
@@ -525,10 +499,9 @@ 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 size_t buffer_offset_bytes = 0
){
@@ -551,9 +524,9 @@ 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 +538,7 @@ 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);
+ _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;
diff --git a/host/lib/transport/super_send_packet_handler.hpp b/host/lib/transport/super_send_packet_handler.hpp
index a99adcb5f..6950abb73 100644
--- a/host/lib/transport/super_send_packet_handler.hpp
+++ b/host/lib/transport/super_send_packet_handler.hpp
@@ -21,11 +21,9 @@
#include <uhd/config.hpp>
#include <uhd/exception.hpp>
#include <uhd/convert.hpp>
-#include <uhd/device.hpp>
+#include <uhd/streamer.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>
@@ -100,24 +98,12 @@ 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_cpu_to_otw(
- 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.output_markup);
+ _bytes_per_cpu_item = uhd::convert::get_bytes_per_item(id.input_markup);
}
/*!
@@ -145,11 +131,9 @@ public:
* Dispatch into combinations of single packet send calls.
******************************************************************/
UHD_INLINE size_t send(
- const uhd::device::send_buffs_type &buffs,
+ const uhd::tx_streamer::buffs_type &buffs,
const size_t nsamps_per_buff,
const uhd::tx_metadata_t &metadata,
- const uhd::io_type_t &io_type,
- uhd::device::send_mode_t send_mode,
double timeout
){
boost::mutex::scoped_lock lock(_mutex);
@@ -166,69 +150,52 @@ public:
if_packet_info.sob = metadata.start_of_burst;
if_packet_info.eob = metadata.end_of_burst;
- if (nsamps_per_buff <= _max_samples_per_packet) send_mode = uhd::device::SEND_MODE_ONE_PACKET;
- switch(send_mode){
-
- ////////////////////////////////////////////////////////////////
- case uhd::device::SEND_MODE_ONE_PACKET:{
- ////////////////////////////////////////////////////////////////
+ if (nsamps_per_buff <= _max_samples_per_packet){
//TODO remove this code when sample counts of zero are supported by hardware
#ifndef SSPH_DONT_PAD_TO_ONE
if (nsamps_per_buff == 0) return send_one_packet(
- _zero_buffs, 1, if_packet_info, io_type, timeout
+ _zero_buffs, 1, if_packet_info, timeout
) & 0x0;
#endif
- return send_one_packet(
- buffs,
- std::min(nsamps_per_buff, _max_samples_per_packet),
- if_packet_info, io_type, timeout
- );
+ return send_one_packet(buffs, nsamps_per_buff, if_packet_info, timeout);
}
+ size_t total_num_samps_sent = 0;
- ////////////////////////////////////////////////////////////////
- case uhd::device::SEND_MODE_FULL_BUFF:{
- ////////////////////////////////////////////////////////////////
- size_t total_num_samps_sent = 0;
+ //false until final fragment
+ if_packet_info.eob = false;
- //false until final fragment
- if_packet_info.eob = false;
+ const size_t num_fragments = (nsamps_per_buff-1)/_max_samples_per_packet;
+ const size_t final_length = ((nsamps_per_buff-1)%_max_samples_per_packet)+1;
- const size_t num_fragments = (nsamps_per_buff-1)/_max_samples_per_packet;
- const size_t final_length = ((nsamps_per_buff-1)%_max_samples_per_packet)+1;
+ //loop through the following fragment indexes
+ for (size_t i = 0; i < num_fragments; i++){
- //loop through the following fragment indexes
- for (size_t i = 0; i < num_fragments; i++){
-
- //send a fragment with the helper function
- const size_t num_samps_sent = send_one_packet(
- buffs, _max_samples_per_packet,
- if_packet_info, io_type, timeout,
- total_num_samps_sent*io_type.size
- );
- total_num_samps_sent += num_samps_sent;
- if (num_samps_sent == 0) return total_num_samps_sent;
+ //send a fragment with the helper function
+ const size_t num_samps_sent = send_one_packet(
+ buffs, _max_samples_per_packet,
+ if_packet_info, timeout,
+ total_num_samps_sent*_bytes_per_cpu_item
+ );
+ total_num_samps_sent += num_samps_sent;
+ if (num_samps_sent == 0) return total_num_samps_sent;
- //setup metadata for the next fragment
- const time_spec_t time_spec = metadata.time_spec + time_spec_t(0, total_num_samps_sent, _samp_rate);
- if_packet_info.tsi = boost::uint32_t(time_spec.get_full_secs());
- if_packet_info.tsf = boost::uint64_t(time_spec.get_tick_count(_tick_rate));
- if_packet_info.sob = false;
+ //setup metadata for the next fragment
+ const time_spec_t time_spec = metadata.time_spec + time_spec_t(0, total_num_samps_sent, _samp_rate);
+ if_packet_info.tsi = boost::uint32_t(time_spec.get_full_secs());
+ if_packet_info.tsf = boost::uint64_t(time_spec.get_tick_count(_tick_rate));
+ if_packet_info.sob = false;
- }
-
- //send the final fragment with the helper function
- if_packet_info.eob = metadata.end_of_burst;
- return total_num_samps_sent + send_one_packet(
- buffs, final_length,
- if_packet_info, io_type, timeout,
- total_num_samps_sent*io_type.size
- );
}
- default: throw uhd::value_error("unknown send mode");
- }//switch(send_mode)
+ //send the final fragment with the helper function
+ if_packet_info.eob = metadata.end_of_burst;
+ return total_num_samps_sent + send_one_packet(
+ buffs, final_length,
+ if_packet_info, timeout,
+ total_num_samps_sent*_bytes_per_cpu_item
+ );
}
private:
@@ -242,8 +209,9 @@ private:
};
std::vector<xport_chan_props_type> _props;
std::vector<const 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
size_t _max_samples_per_packet;
std::vector<const void *> _zero_buffs;
size_t _next_packet_seq;
@@ -253,15 +221,14 @@ private:
* Send a single packet:
******************************************************************/
UHD_INLINE size_t send_one_packet(
- const uhd::device::send_buffs_type &buffs,
+ const uhd::tx_streamer::buffs_type &buffs,
const size_t nsamps_per_buff,
vrt::if_packet_info_t &if_packet_info,
- const uhd::io_type_t &io_type,
double timeout,
const size_t buffer_offset_bytes = 0
){
//load the rest of the if_packet_info in here
- if_packet_info.num_payload_words32 = (nsamps_per_buff*_io_buffs.size()*_bytes_per_item)/sizeof(boost::uint32_t);
+ if_packet_info.num_payload_words32 = (nsamps_per_buff*_io_buffs.size()*_bytes_per_otw_item)/sizeof(boost::uint32_t);
if_packet_info.packet_count = _next_packet_seq;
size_t buff_index = 0;
@@ -280,7 +247,7 @@ private:
otw_mem += if_packet_info.num_header_words32;
//copy-convert the samples into the send buffer
- _converters[io_type.tid](_io_buffs, otw_mem, nsamps_per_buff, _scale_factor);
+ _converter(_io_buffs, otw_mem, nsamps_per_buff, _scale_factor);
//commit the samples to the zero-copy interface
size_t num_bytes_total = (_header_offset_words32+if_packet_info.num_packet_words32)*sizeof(boost::uint32_t);