diff options
Diffstat (limited to 'host/lib/usrp/usrp2')
| -rw-r--r-- | host/lib/usrp/usrp2/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/fw_common.h | 3 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp | 119 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp | 39 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_impl.cpp | 9 | ||||
| -rw-r--r-- | host/lib/usrp/usrp2/usrp2_impl.hpp | 3 |
6 files changed, 173 insertions, 3 deletions
diff --git a/host/lib/usrp/usrp2/CMakeLists.txt b/host/lib/usrp/usrp2/CMakeLists.txt index 10f7407b0..da39d9df1 100644 --- a/host/lib/usrp/usrp2/CMakeLists.txt +++ b/host/lib/usrp/usrp2/CMakeLists.txt @@ -1,5 +1,5 @@ # -# Copyright 2011 Ettus Research LLC +# Copyright 2011-2012 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 @@ -32,5 +32,6 @@ IF(ENABLE_USRP2) ${CMAKE_CURRENT_SOURCE_DIR}/io_impl.cpp ${CMAKE_CURRENT_SOURCE_DIR}/usrp2_iface.cpp ${CMAKE_CURRENT_SOURCE_DIR}/usrp2_impl.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/usrp2_fifo_ctrl.cpp ) ENDIF(ENABLE_USRP2) diff --git a/host/lib/usrp/usrp2/fw_common.h b/host/lib/usrp/usrp2/fw_common.h index 2add74c47..2dfc7f519 100644 --- a/host/lib/usrp/usrp2/fw_common.h +++ b/host/lib/usrp/usrp2/fw_common.h @@ -1,5 +1,5 @@ // -// Copyright 2010-2011 Ettus Research LLC +// Copyright 2010-2012 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 @@ -51,6 +51,7 @@ typedef struct{ #define USRP2_UDP_RX_DSP0_PORT 49156 #define USRP2_UDP_TX_DSP0_PORT 49157 #define USRP2_UDP_RX_DSP1_PORT 49158 +#define USRP2_UDP_FIFO_CRTL_PORT 49159 #define USRP2_UDP_UART_BASE_PORT 49170 #define USRP2_UDP_UART_GPS_PORT 49172 diff --git a/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp new file mode 100644 index 000000000..0fe8898da --- /dev/null +++ b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.cpp @@ -0,0 +1,119 @@ +// +// Copyright 2012 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 <uhd/exception.hpp> +#include "usrp2_fifo_ctrl.hpp" +#include <boost/thread/mutex.hpp> +#include <boost/asio.hpp> //htonl + +using namespace uhd::transport; + +static const size_t POKE32_CMD = (1 << 8); +static const size_t PEEK32_CMD = 0; +static const double ACK_TIMEOUT = 0.5; + +class usrp2_fifo_ctrl_impl : public usrp2_fifo_ctrl{ +public: + + usrp2_fifo_ctrl_impl(zero_copy_if::sptr xport): + _xport(xport), + _seq(0) + { + //NOP + } + + void poke32(wb_addr_type addr, boost::uint32_t data){ + boost::mutex::scoped_lock lock(_mutex); + + while (_xport->get_recv_buff(0.0)){} //flush + + { + managed_send_buffer::sptr buff = _xport->get_send_buff(0.0); + if (not buff){ + throw uhd::runtime_error("poke32 in fifo ctrl timed out getting a send buffer"); + } + boost::uint32_t *pkt = buff->cast<boost::uint32_t *>(); + const boost::uint32_t ctrl_word = (addr >> 2) | POKE32_CMD | (++_seq << 16); + //TODO vita packer goes here, below is the payload + pkt[0] = htonl(ctrl_word); + //FIXME cant be zero, need real VRT header here, see pkt dispatcher in fpga code + if ((data & 0xffff) == 0) data = 1; + pkt[1] = htonl(data); + buff->commit(sizeof(boost::uint32_t)*2); + } + + { + managed_recv_buffer::sptr buff = _xport->get_recv_buff(ACK_TIMEOUT); + if (not buff){ + throw uhd::runtime_error("poke32 in fifo ctrl timed out getting a recv buffer"); + } + const boost::uint32_t *pkt = buff->cast<const boost::uint32_t *>(); + if (buff->size() < (sizeof(boost::uint32_t)*6) or (ntohl(pkt[4]) >> 16) != (_seq & 0xffff)){ + throw uhd::runtime_error("poke32 in fifo ctrl got invalid ack packet"); + } + } + } + + boost::uint32_t peek32(wb_addr_type addr){ + boost::mutex::scoped_lock lock(_mutex); + + while (_xport->get_recv_buff(0.0)){} //flush + + { + managed_send_buffer::sptr buff = _xport->get_send_buff(0.0); + if (not buff){ + throw uhd::runtime_error("peek32 in fifo ctrl timed out getting a send buffer"); + } + boost::uint32_t *pkt = buff->cast<boost::uint32_t *>(); + const boost::uint32_t ctrl_word = (addr >> 2) | PEEK32_CMD | (++_seq << 16); + //TODO vita packer goes here, below is the payload + pkt[0] = htonl(ctrl_word); + pkt[1] = htonl(0xffffffff); //FIXME cant be zero, need real VRT header here, see pkt dispatcher in fpga code + buff->commit(sizeof(boost::uint32_t)*2); + } + + { + managed_recv_buffer::sptr buff = _xport->get_recv_buff(ACK_TIMEOUT); + if (not buff){ + throw uhd::runtime_error("peek32 in fifo ctrl timed out getting a recv buffer"); + } + const boost::uint32_t *pkt = buff->cast<const boost::uint32_t *>(); + if (buff->size() < (sizeof(boost::uint32_t)*6) or (ntohl(pkt[4]) >> 16) != (_seq & 0xffff)){ + throw uhd::runtime_error("peek32 in fifo ctrl got invalid ack packet"); + } + return ntohl(pkt[5]); + } + } + + void poke16(wb_addr_type, boost::uint16_t){ + throw uhd::not_implemented_error("poke16 not implemented in fifo ctrl module"); + } + + boost::uint16_t peek16(wb_addr_type){ + throw uhd::not_implemented_error("peek16 not implemented in fifo ctrl module"); + } + +private: + zero_copy_if::sptr _xport; + boost::mutex _mutex; + boost::uint32_t _seq; +}; + + +usrp2_fifo_ctrl::sptr usrp2_fifo_ctrl::make(zero_copy_if::sptr xport){ + return sptr(new usrp2_fifo_ctrl_impl(xport)); +} diff --git a/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp new file mode 100644 index 000000000..8cdfb11a2 --- /dev/null +++ b/host/lib/usrp/usrp2/usrp2_fifo_ctrl.hpp @@ -0,0 +1,39 @@ +// +// Copyright 2012 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/>. +// + +#ifndef INCLUDED_USRP2_FIFO_CTRL_HPP +#define INCLUDED_USRP2_FIFO_CTRL_HPP + +#include <uhd/transport/zero_copy.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/utility.hpp> +#include "wb_iface.hpp" +#include <string> + +/*! + * The usrp2 FIFO control class: + * Provide high-speed peek/poke interface. + */ +class usrp2_fifo_ctrl : public wb_iface{ +public: + typedef boost::shared_ptr<usrp2_fifo_ctrl> sptr; + + //! Make a new FIFO control object + static sptr make(uhd::transport::zero_copy_if::sptr xport); +}; + +#endif /* INCLUDED_USRP2_FIFO_CTRL_HPP */ diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp index 20a74db2c..5e873f741 100644 --- a/host/lib/usrp/usrp2/usrp2_impl.cpp +++ b/host/lib/usrp/usrp2/usrp2_impl.cpp @@ -377,8 +377,15 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){ _mbc[mb].tx_dsp_xport = make_xport( addr, BOOST_STRINGIZE(USRP2_UDP_TX_DSP0_PORT), device_args_i, "send" ); + UHD_LOG << "Making transport for Control..." << std::endl; + _mbc[mb].fifo_ctrl_xport = make_xport( + addr, BOOST_STRINGIZE(USRP2_UDP_FIFO_CRTL_PORT), device_addr_t(), "" + ); //set the filter on the router to take dsp data from this port - _mbc[mb].iface->poke32(U2_REG_ROUTER_CTRL_PORTS, USRP2_UDP_TX_DSP0_PORT); + _mbc[mb].iface->poke32(U2_REG_ROUTER_CTRL_PORTS, (USRP2_UDP_FIFO_CRTL_PORT << 16) | USRP2_UDP_TX_DSP0_PORT); + + //create the fifo control interface for high speed register access + _mbc[mb].fifo_ctrl = usrp2_fifo_ctrl::make(_mbc[mb].fifo_ctrl_xport); //////////////////////////////////////////////////////////////// // setup the mboard eeprom diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp index 6053c3890..291208eff 100644 --- a/host/lib/usrp/usrp2/usrp2_impl.hpp +++ b/host/lib/usrp/usrp2/usrp2_impl.hpp @@ -19,6 +19,7 @@ #define INCLUDED_USRP2_IMPL_HPP #include "usrp2_iface.hpp" +#include "usrp2_fifo_ctrl.hpp" #include "clock_ctrl.hpp" #include "codec_ctrl.hpp" #include "rx_frontend_core_200.hpp" @@ -82,6 +83,7 @@ private: uhd::property_tree::sptr _tree; struct mb_container_type{ usrp2_iface::sptr iface; + usrp2_fifo_ctrl::sptr fifo_ctrl; usrp2_clock_ctrl::sptr clock; usrp2_codec_ctrl::sptr codec; uhd::gps_ctrl::sptr gps; @@ -95,6 +97,7 @@ private: user_settings_core_200::sptr user; std::vector<uhd::transport::zero_copy_if::sptr> rx_dsp_xports; uhd::transport::zero_copy_if::sptr tx_dsp_xport; + uhd::transport::zero_copy_if::sptr fifo_ctrl_xport; uhd::usrp::dboard_manager::sptr dboard_manager; uhd::usrp::dboard_iface::sptr dboard_iface; size_t rx_chan_occ, tx_chan_occ; |