b100: removed usrp prefix from files

1 files changed, 210 insertions, 0 deletions

diff --git a/host/lib/usrp/b100/io_impl.cpp b/host/lib/usrp/b100/io_impl.cpp
new file mode 100644
index 000000000..3978bea75
--- /dev/null
+++ b/host/lib/usrp/b100/io_impl.cpp
@@ -0,0 +1,210 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program 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 of the License, or
+// (at your option) any later version.
+//
+// This program 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, see <http://www.gnu.org/licenses/>.
+//
+
+#include "../../transport/super_recv_packet_handler.hpp"
+#include "../../transport/super_send_packet_handler.hpp"
+#include "usrp_commands.h"
+#include "b100_impl.hpp"
+#include "b100_regs.hpp"
+#include <uhd/usrp/dsp_utils.hpp>
+#include <uhd/usrp/dsp_props.hpp>
+#include <uhd/utils/thread_priority.hpp>
+#include <uhd/transport/bounded_buffer.hpp>
+#include <boost/bind.hpp>
+#include <boost/format.hpp>
+#include <boost/asio.hpp>
+#include <boost/bind.hpp>
+#include <boost/thread.hpp>
+#include <uhd/utils/msg.hpp>
+#include <uhd/utils/log.hpp>
+#include <iostream>
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace uhd::transport;
+namespace asio = boost::asio;
+
+/***********************************************************************
+ * IO Implementation Details
+ **********************************************************************/
+struct b100_impl::io_impl{
+    io_impl(zero_copy_if::sptr data_transport):
+        data_transport(data_transport)
+    {
+        /* NOP */
+    }
+
+    ~io_impl(void){
+        //drain the rx buffs
+        //while(data_transport->get_recv_buff().get() != NULL){
+                /* NOP */
+        //}
+    }
+
+    zero_copy_if::sptr &data_transport;
+
+    sph::recv_packet_handler recv_handler;
+    sph::send_packet_handler send_handler;
+    bool continuous_streaming;
+};
+
+/***********************************************************************
+ * Initialize internals within this file
+ **********************************************************************/
+void b100_impl::io_init(void){
+    _recv_otw_type.width = 16;
+    _recv_otw_type.shift = 0;
+    _recv_otw_type.byteorder = otw_type_t::BO_LITTLE_ENDIAN;
+
+    _send_otw_type.width = 16;
+    _send_otw_type.shift = 0;
+    _send_otw_type.byteorder = otw_type_t::BO_LITTLE_ENDIAN;
+    
+    _iface->reset_gpif(6);
+
+    //reset state machines
+    _iface->poke32(B100_REG_CTRL_TX_CLEAR_UNDERRUN, 0);
+    _iface->poke32(B100_REG_CTRL_RX_CLEAR_OVERRUN, 0);
+
+    _io_impl = UHD_PIMPL_MAKE(io_impl, (_data_transport));
+    
+    //setup rx data path
+    _iface->poke32(B100_REG_CTRL_RX_NSAMPS_PER_PKT, get_max_recv_samps_per_packet());
+    UHD_LOGV(always) << "IO: Using " << get_max_recv_samps_per_packet() << " samples per packet" << std::endl;
+    _iface->poke32(B100_REG_CTRL_RX_NCHANNELS, 1);
+    _iface->poke32(B100_REG_CTRL_RX_VRT_HEADER, 0
+        | (0x1 << 28) //if data with stream id
+        | (0x1 << 26) //has trailer
+        | (0x3 << 22) //integer time other
+        | (0x1 << 20) //fractional time sample count
+    );
+    _iface->poke32(B100_REG_CTRL_RX_VRT_TRAILER, 0);
+
+    //set the streamid to reset the seq num
+    _iface->poke32(B100_REG_CTRL_TX_REPORT_SID, 0);
+    //setup the tx policy
+    _iface->poke32(B100_REG_CTRL_TX_POLICY, B100_FLAG_CTRL_TX_POLICY_NEXT_PACKET);
+    
+    //set the expected packet size in USB frames
+    _iface->poke32(B100_REG_MISC_RX_LEN, 4);
+
+    update_transport_channel_mapping();
+}
+
+void b100_impl::update_transport_channel_mapping(void){
+    if (_io_impl.get() == NULL) return; //not inited yet
+
+    //set all of the relevant properties on the handler
+    boost::mutex::scoped_lock recv_lock = _io_impl->recv_handler.get_scoped_lock();
+    _io_impl->recv_handler.resize(_rx_subdev_spec.size());
+    _io_impl->recv_handler.set_vrt_unpacker(&vrt::if_hdr_unpack_le);
+    _io_impl->recv_handler.set_tick_rate(_clock_ctrl->get_fpga_clock_rate());
+    _io_impl->recv_handler.set_samp_rate(_rx_ddc_proxy->get_link()[DSP_PROP_HOST_RATE].as<double>());
+    for (size_t chan = 0; chan < _io_impl->recv_handler.size(); chan++){
+        _io_impl->recv_handler.set_xport_chan_get_buff(chan, boost::bind(
+            &uhd::transport::zero_copy_if::get_recv_buff, _io_impl->data_transport, _1
+        ));
+        _io_impl->recv_handler.set_overflow_handler(chan, boost::bind(
+            &b100_impl::handle_overrun, this, chan
+        ));
+    }
+    _io_impl->recv_handler.set_converter(_recv_otw_type);
+
+    //set all of the relevant properties on the handler
+    boost::mutex::scoped_lock send_lock = _io_impl->send_handler.get_scoped_lock();
+    _io_impl->send_handler.resize(_tx_subdev_spec.size());
+    _io_impl->send_handler.set_vrt_packer(&vrt::if_hdr_pack_le);
+    _io_impl->send_handler.set_tick_rate(_clock_ctrl->get_fpga_clock_rate());
+    _io_impl->send_handler.set_samp_rate(_tx_duc_proxy->get_link()[DSP_PROP_HOST_RATE].as<double>());
+    for (size_t chan = 0; chan < _io_impl->send_handler.size(); chan++){
+        _io_impl->send_handler.set_xport_chan_get_buff(chan, boost::bind(
+            &uhd::transport::zero_copy_if::get_send_buff, _io_impl->data_transport, _1
+        ));
+    }
+    _io_impl->send_handler.set_converter(_send_otw_type);
+    _io_impl->send_handler.set_max_samples_per_packet(get_max_send_samps_per_packet());
+}
+
+/***********************************************************************
+ * Data send + helper functions
+ **********************************************************************/
+size_t b100_impl::get_max_send_samps_per_packet(void) const {
+    static const size_t hdr_size = 0
+        + vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
+        - sizeof(vrt::if_packet_info_t().cid) //no class id ever used
+    ;
+    static const size_t bpp = 2048 - hdr_size;
+    return bpp / _send_otw_type.get_sample_size();
+}
+
+size_t b100_impl::send(
+    const send_buffs_type &buffs, size_t nsamps_per_buff,
+    const tx_metadata_t &metadata, const io_type_t &io_type,
+    send_mode_t send_mode, double timeout
+){    
+    return _io_impl->send_handler.send(
+        buffs, nsamps_per_buff,
+        metadata, io_type,
+        send_mode, timeout
+    );
+}
+
+/***********************************************************************
+ * Data recv + helper functions
+ **********************************************************************/
+
+size_t b100_impl::get_max_recv_samps_per_packet(void) const {
+    static const size_t hdr_size = 0
+        + vrt::max_if_hdr_words32*sizeof(boost::uint32_t)
+        + sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer
+        - sizeof(vrt::if_packet_info_t().cid) //no class id ever used
+    ;
+    size_t bpp = 2048 - hdr_size; //limited by FPGA pkt buffer size
+    return bpp/_recv_otw_type.get_sample_size();
+}
+
+size_t b100_impl::recv(
+    const recv_buffs_type &buffs, size_t nsamps_per_buff,
+    rx_metadata_t &metadata, const io_type_t &io_type,
+    recv_mode_t recv_mode, double timeout
+){
+    return _io_impl->recv_handler.recv(
+        buffs, nsamps_per_buff,
+        metadata, io_type,
+        recv_mode, timeout
+    );
+}
+
+void b100_impl::issue_stream_cmd(const stream_cmd_t &stream_cmd)
+{
+    _io_impl->continuous_streaming = (stream_cmd.stream_mode == stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
+    _iface->poke32(B100_REG_CTRL_RX_STREAM_CMD, dsp_type1::calc_stream_cmd_word(stream_cmd));
+    _iface->poke32(B100_REG_CTRL_RX_TIME_SECS,  boost::uint32_t(stream_cmd.time_spec.get_full_secs()));
+    _iface->poke32(B100_REG_CTRL_RX_TIME_TICKS, stream_cmd.time_spec.get_tick_count(_clock_ctrl->get_fpga_clock_rate()));
+    
+    if (stream_cmd.stream_mode == stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS) {
+        while(_io_impl->data_transport->get_recv_buff().get() != NULL){
+            /* NOP */
+        }
+    }
+}
+
+void b100_impl::handle_overrun(size_t){
+    if (_io_impl->continuous_streaming){
+        this->issue_stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
+    }
+}