diff options
Diffstat (limited to 'host/lib/usrp/b100')
| -rw-r--r-- | host/lib/usrp/b100/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | host/lib/usrp/b100/b100_ctrl.cpp | 257 | ||||
| -rw-r--r-- | host/lib/usrp/b100/b100_ctrl.hpp | 70 | ||||
| -rw-r--r-- | host/lib/usrp/b100/b100_impl.cpp | 104 | ||||
| -rw-r--r-- | host/lib/usrp/b100/b100_impl.hpp | 30 | ||||
| -rw-r--r-- | host/lib/usrp/b100/b100_regs.hpp | 116 | ||||
| -rw-r--r-- | host/lib/usrp/b100/ctrl_packet.hpp | 75 | ||||
| -rw-r--r-- | host/lib/usrp/b100/dboard_iface.cpp | 2 | ||||
| -rw-r--r-- | host/lib/usrp/b100/io_impl.cpp | 72 |
9 files changed, 112 insertions, 617 deletions
diff --git a/host/lib/usrp/b100/CMakeLists.txt b/host/lib/usrp/b100/CMakeLists.txt index 1237f52d1..d2c33b512 100644 --- a/host/lib/usrp/b100/CMakeLists.txt +++ b/host/lib/usrp/b100/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 @@ -26,7 +26,6 @@ LIBUHD_REGISTER_COMPONENT("B100" ENABLE_B100 ON "ENABLE_LIBUHD;ENABLE_USB" OFF) IF(ENABLE_B100) LIBUHD_APPEND_SOURCES( - ${CMAKE_CURRENT_SOURCE_DIR}/b100_ctrl.cpp ${CMAKE_CURRENT_SOURCE_DIR}/b100_impl.cpp ${CMAKE_CURRENT_SOURCE_DIR}/clock_ctrl.cpp ${CMAKE_CURRENT_SOURCE_DIR}/codec_ctrl.cpp diff --git a/host/lib/usrp/b100/b100_ctrl.cpp b/host/lib/usrp/b100/b100_ctrl.cpp deleted file mode 100644 index e6136c00e..000000000 --- a/host/lib/usrp/b100/b100_ctrl.cpp +++ /dev/null @@ -1,257 +0,0 @@ -// -// Copyright 2011 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 "b100_ctrl.hpp" -#include <uhd/transport/bounded_buffer.hpp> -#include <uhd/transport/usb_zero_copy.hpp> -#include <uhd/transport/zero_copy.hpp> -#include <uhd/transport/vrt_if_packet.hpp> -#include <uhd/utils/thread_priority.hpp> -#include <uhd/utils/msg.hpp> -#include <uhd/utils/tasks.hpp> -#include <uhd/types/metadata.hpp> -#include <uhd/types/serial.hpp> -#include "ctrl_packet.hpp" -#include <boost/thread/thread.hpp> -#include <boost/bind.hpp> -#include <uhd/exception.hpp> - -using namespace uhd::transport; -using namespace uhd; - -bool b100_ctrl_debug = false; - -class b100_ctrl_impl : public b100_ctrl { -public: - b100_ctrl_impl(uhd::transport::zero_copy_if::sptr ctrl_transport): - sync_ctrl_fifo(2), - _ctrl_transport(ctrl_transport), - _seq(0) - { - viking_marauder = task::make(boost::bind(&b100_ctrl_impl::viking_marauder_loop, this)); - } - - ~b100_ctrl_impl(void){ - //stop the marauder first so it cant access deconstructed objects - viking_marauder.reset(); - } - - int write(boost::uint32_t addr, const ctrl_data_t &data); - ctrl_data_t read(boost::uint32_t addr, size_t len); - - bool get_ctrl_data(ctrl_data_t &pkt_data, double timeout); - - void poke32(wb_addr_type addr, boost::uint32_t data){ - boost::mutex::scoped_lock lock(_ctrl_mutex); - - ctrl_data_t words(2); - words[0] = data & 0x0000FFFF; - words[1] = data >> 16; - this->write(addr, words); - } - - boost::uint32_t peek32(wb_addr_type addr){ - boost::mutex::scoped_lock lock(_ctrl_mutex); - - ctrl_data_t words = this->read(addr, 2); - return boost::uint32_t((boost::uint32_t(words[1]) << 16) | words[0]); - } - - void poke16(wb_addr_type addr, boost::uint16_t data){ - boost::mutex::scoped_lock lock(_ctrl_mutex); - - ctrl_data_t words(1); - words[0] = data; - this->write(addr, words); - } - - boost::uint16_t peek16(wb_addr_type addr){ - boost::mutex::scoped_lock lock(_ctrl_mutex); - - ctrl_data_t words = this->read(addr, 1); - return boost::uint16_t(words[0]); - } - - void set_async_cb(const async_cb_type &async_cb){ - boost::mutex::scoped_lock lock(_async_mutex); - _async_cb = async_cb; - } - -private: - int send_pkt(boost::uint16_t *cmd); - - //änd hërë wë gö ä-Vïkïng för äsynchronous control packets - void viking_marauder_loop(void); - bounded_buffer<ctrl_data_t> sync_ctrl_fifo; - async_cb_type _async_cb; - task::sptr viking_marauder; - - uhd::transport::zero_copy_if::sptr _ctrl_transport; - boost::uint8_t _seq; - boost::mutex _ctrl_mutex, _async_mutex; -}; - -/*********************************************************************** - * helper functions for packing/unpacking control packets - **********************************************************************/ -void pack_ctrl_pkt(boost::uint16_t *pkt_buff, - const ctrl_pkt_t &pkt){ - //first two bits are OP - //next six bits are CALLBACKS - //next 8 bits are SEQUENCE - //next 16 bits are LENGTH (16-bit word) - //next 32 bits are ADDRESS (16-bit word LSW) - //then DATA (28 16-bit words) - pkt_buff[0] = (boost::uint16_t(pkt.pkt_meta.op) << 14) | (boost::uint16_t(pkt.pkt_meta.callbacks) << 8) | pkt.pkt_meta.seq; - pkt_buff[1] = pkt.pkt_meta.len; - pkt_buff[2] = (pkt.pkt_meta.addr & 0x00000FFF); - pkt_buff[3] = 0x0000; //address high bits always 0 on this device - - for(size_t i = 0; i < pkt.data.size(); i++) { - pkt_buff[4+i] = pkt.data[i]; - } -} - -void unpack_ctrl_pkt(const boost::uint16_t *pkt_buff, - ctrl_pkt_t &pkt){ - pkt.pkt_meta.seq = pkt_buff[0] & 0xFF; - pkt.pkt_meta.op = CTRL_PKT_OP_READ; //really this is useless - pkt.pkt_meta.len = pkt_buff[1]; - pkt.pkt_meta.callbacks = 0; //callbacks aren't implemented yet - pkt.pkt_meta.addr = pkt_buff[2] | boost::uint32_t(pkt_buff[3] << 16); - - //let's check this so we don't go pushing 64K of crap onto the pkt - if(pkt.pkt_meta.len > CTRL_PACKET_DATA_LENGTH) { - throw uhd::runtime_error("Received control packet too long"); - } - - for(int i = 4; i < 4+pkt.pkt_meta.len; i++) pkt.data.push_back(pkt_buff[i]); -} - -int b100_ctrl_impl::send_pkt(boost::uint16_t *cmd) { - managed_send_buffer::sptr sbuf = _ctrl_transport->get_send_buff(); - if(!sbuf.get()) { - throw uhd::runtime_error("Control channel send error"); - } - - //FIXME there's a better way to do this - for(size_t i = 0; i < (CTRL_PACKET_LENGTH / sizeof(boost::uint16_t)); i++) { - sbuf->cast<boost::uint16_t *>()[i] = cmd[i]; - } - sbuf->commit(CTRL_PACKET_LENGTH); //fixed size transaction - return 0; -} - -int b100_ctrl_impl::write(boost::uint32_t addr, const ctrl_data_t &data) { - UHD_ASSERT_THROW(data.size() <= (CTRL_PACKET_DATA_LENGTH / sizeof(boost::uint16_t))); - ctrl_pkt_t pkt; - pkt.data = data; - pkt.pkt_meta.op = CTRL_PKT_OP_WRITE; - pkt.pkt_meta.callbacks = 0; - pkt.pkt_meta.seq = _seq++; - pkt.pkt_meta.len = pkt.data.size(); - pkt.pkt_meta.addr = addr; - boost::uint16_t pkt_buff[CTRL_PACKET_LENGTH / sizeof(boost::uint16_t)] = {}; - - pack_ctrl_pkt(pkt_buff, pkt); - size_t result = send_pkt(pkt_buff); - return result; -} - -ctrl_data_t b100_ctrl_impl::read(boost::uint32_t addr, size_t len) { - UHD_ASSERT_THROW(len <= (CTRL_PACKET_DATA_LENGTH / sizeof(boost::uint16_t))); - - ctrl_pkt_t pkt; - pkt.pkt_meta.op = CTRL_PKT_OP_READ; - pkt.pkt_meta.callbacks = 0; - pkt.pkt_meta.seq = _seq++; - pkt.pkt_meta.len = len; - pkt.pkt_meta.addr = addr; - boost::uint16_t pkt_buff[CTRL_PACKET_LENGTH / sizeof(boost::uint16_t)] = {}; - - //flush anything that might be in the queue - while (get_ctrl_data(pkt.data, 0.0)){ - UHD_MSG(error) << "B100: control read found unexpected packet." << std::endl; - } - - pack_ctrl_pkt(pkt_buff, pkt); - send_pkt(pkt_buff); - - //block with timeout waiting for the response to appear - if (not get_ctrl_data(pkt.data, 0.1)) throw uhd::runtime_error( - "B100: timeout waiting for control response packet." - ); - - return pkt.data; -} - -/*********************************************************************** - * Viking marauders go pillaging for asynchronous control packets in the - * control response endpoint. Sync packets go in sync_ctrl_fifo, - * async TX error messages go in async_msg_fifo. sync_ctrl_fifo should - * never have more than 1 message in it, since it's expected that we'll - * wait for a control operation to finish before starting another one. - **********************************************************************/ -void b100_ctrl_impl::viking_marauder_loop(void){ - set_thread_priority_safe(); - - while (not boost::this_thread::interruption_requested()){ - managed_recv_buffer::sptr rbuf = _ctrl_transport->get_recv_buff(1.0); - if(rbuf.get() == NULL) continue; //that's ok, there are plenty of villages to pillage! - const boost::uint16_t *pkt_buf = rbuf->cast<const boost::uint16_t *>(); - - if(pkt_buf[0] >> 8 == CTRL_PACKET_HEADER_MAGIC) { - //so it's got a control packet header, let's parse it. - ctrl_pkt_t pkt; - unpack_ctrl_pkt(pkt_buf, pkt); - - if(pkt.pkt_meta.seq != boost::uint8_t(_seq - 1)) { - UHD_MSG(error) - << "Sequence error on control channel." << std::endl - << "Exiting control loop." << std::endl - ; - return; - } - if(pkt.pkt_meta.len > (CTRL_PACKET_LENGTH - CTRL_PACKET_HEADER_LENGTH)) { - UHD_MSG(error) - << "Control channel packet length too long" << std::endl - << "Exiting control loop." << std::endl - ; - return; - } - - //push it onto the queue - sync_ctrl_fifo.push_with_pop_on_full(pkt.data); - } - else{ //otherwise let the async callback handle it - boost::mutex::scoped_lock lock(_async_mutex); - if (not _async_cb.empty()) _async_cb(rbuf); - } - } -} - -bool b100_ctrl_impl::get_ctrl_data(ctrl_data_t &pkt_data, double timeout){ - boost::this_thread::disable_interruption di; //disable because the wait can throw - return sync_ctrl_fifo.pop_with_timed_wait(pkt_data, timeout); -} - -/*********************************************************************** - * Public make function for b100_ctrl interface - **********************************************************************/ -b100_ctrl::sptr b100_ctrl::make(uhd::transport::zero_copy_if::sptr ctrl_transport){ - return sptr(new b100_ctrl_impl(ctrl_transport)); -} diff --git a/host/lib/usrp/b100/b100_ctrl.hpp b/host/lib/usrp/b100/b100_ctrl.hpp deleted file mode 100644 index 74884d525..000000000 --- a/host/lib/usrp/b100/b100_ctrl.hpp +++ /dev/null @@ -1,70 +0,0 @@ -// -// Copyright 2011 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_B100_CTRL_HPP -#define INCLUDED_B100_CTRL_HPP - -#include "wb_iface.hpp" -#include <uhd/transport/usb_zero_copy.hpp> -#include <uhd/types/serial.hpp> -#include <boost/shared_ptr.hpp> -#include <boost/utility.hpp> -#include "ctrl_packet.hpp" -#include <boost/function.hpp> - -class b100_ctrl : boost::noncopyable, public wb_iface{ -public: - typedef boost::shared_ptr<b100_ctrl> sptr; - typedef boost::function<void(uhd::transport::managed_recv_buffer::sptr)> async_cb_type; - - /*! - * Make a USRP control object from a data transport - * \param ctrl_transport a USB data transport - * \return a new b100 control object - */ - static sptr make(uhd::transport::zero_copy_if::sptr ctrl_transport); - - //! set an async callback for messages - virtual void set_async_cb(const async_cb_type &async_cb) = 0; - - /*! - * Write a byte vector to an FPGA register - * \param addr the FPGA register address - * \param bytes the data to write - * \return 0 on success, error code on failure - */ - virtual int write(boost::uint32_t addr, const ctrl_data_t &data) = 0; - - /*! - * Read a byte vector from an FPGA register (blocking read) - * \param addr the FPGA register address - * \param len the length of the read - * \return a vector of bytes from the register(s) in question - */ - virtual ctrl_data_t read(boost::uint32_t addr, size_t len) = 0; - - /*! - * Get a sync ctrl packet (blocking) - * \param the packet data buffer - * \param the timeout value - * \return true if it got something - */ - virtual bool get_ctrl_data(ctrl_data_t &pkt_data, double timeout) = 0; - -}; - -#endif /* INCLUDED_B100_CTRL_HPP */ diff --git a/host/lib/usrp/b100/b100_impl.cpp b/host/lib/usrp/b100/b100_impl.cpp index eec777842..b226e113a 100644 --- a/host/lib/usrp/b100/b100_impl.cpp +++ b/host/lib/usrp/b100/b100_impl.cpp @@ -17,12 +17,11 @@ #include "apply_corrections.hpp" #include "b100_impl.hpp" -#include "b100_ctrl.hpp" +#include "b100_regs.hpp" #include "fpga_regs_standard.h" #include "usrp_i2c_addr.h" #include "usrp_commands.h" #include <uhd/transport/usb_control.hpp> -#include "ctrl_packet.hpp" #include <uhd/utils/msg.hpp> #include <uhd/exception.hpp> #include <uhd/utils/static.hpp> @@ -33,7 +32,6 @@ #include <boost/filesystem.hpp> #include <boost/thread/thread.hpp> #include <boost/lexical_cast.hpp> -#include "b100_regs.hpp" #include <cstdio> #include <iostream> @@ -188,10 +186,10 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ //create the control transport device_addr_t ctrl_xport_args; - ctrl_xport_args["recv_frame_size"] = boost::lexical_cast<std::string>(CTRL_PACKET_LENGTH); + ctrl_xport_args["recv_frame_size"] = "512"; ctrl_xport_args["num_recv_frames"] = "16"; - ctrl_xport_args["send_frame_size"] = boost::lexical_cast<std::string>(CTRL_PACKET_LENGTH); - ctrl_xport_args["num_send_frames"] = "4"; + ctrl_xport_args["send_frame_size"] = "512"; + ctrl_xport_args["num_send_frames"] = "16"; _ctrl_transport = usb_zero_copy::make( handle, @@ -199,17 +197,22 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ 3, 4, //interface, endpoint ctrl_xport_args ); - while (_ctrl_transport->get_recv_buff(0.0)){} //flush ctrl xport this->enable_gpif(true); //////////////////////////////////////////////////////////////////// - // Initialize FPGA wishbone communication + // Initialize FPGA control communication //////////////////////////////////////////////////////////////////// - _fpga_ctrl = b100_ctrl::make(_ctrl_transport); - _fpga_ctrl->poke32(B100_REG_GLOBAL_RESET, 0); //global fpga reset + fifo_ctrl_excelsior_config fifo_ctrl_config; + fifo_ctrl_config.async_sid_base = B100_TX_ASYNC_SID; + fifo_ctrl_config.num_async_chan = 1; + fifo_ctrl_config.ctrl_sid_base = B100_CTRL_MSG_SID; + fifo_ctrl_config.spi_base = TOREG(SR_SPI); + fifo_ctrl_config.spi_rb = REG_RB_SPI; + _fifo_ctrl = fifo_ctrl_excelsior::make(_ctrl_transport, fifo_ctrl_config); + //perform a test peek operation try{ - _fpga_ctrl->peek32(0); + _fifo_ctrl->peek32(0); } //try reset once in the case of failure catch(const uhd::exception &){ @@ -217,7 +220,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ UHD_MSG(warning) << "The control endpoint was left in a bad state.\n" "Attempting endpoint re-enumeration...\n" << std::endl; - _fpga_ctrl.reset(); + _fifo_ctrl.reset(); _ctrl_transport.reset(); _fx2_ctrl->usrp_fx2_reset(); goto b100_impl_constructor_begin; @@ -227,8 +230,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // Initialize peripherals after reset //////////////////////////////////////////////////////////////////// - _fpga_i2c_ctrl = i2c_core_100::make(_fpga_ctrl, B100_REG_SLAVE(3)); - _fpga_spi_ctrl = spi_core_100::make(_fpga_ctrl, B100_REG_SLAVE(2)); + _fpga_i2c_ctrl = i2c_core_200::make(_fifo_ctrl, TOREG(SR_I2C), REG_RB_I2C); //////////////////////////////////////////////////////////////////// // Create data transport @@ -242,6 +244,10 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ data_xport_args["send_frame_size"] = device_addr.get("send_frame_size", "16384"); data_xport_args["num_send_frames"] = device_addr.get("num_send_frames", "16"); + //let packet padder know the LUT size in number of words32 + const size_t rx_lut_size = size_t(data_xport_args.cast<double>("recv_frame_size", 0.0)); + _fifo_ctrl->poke32(TOREG(SR_PADDER+0), rx_lut_size/sizeof(boost::uint32_t)); + _data_transport = usb_zero_copy::make_wrapper( usb_zero_copy::make( handle, // identifier @@ -251,7 +257,6 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ ), B100_MAX_PKT_BYTE_LIMIT ); - while (_data_transport->get_recv_buff(0.0)){} //flush data xport //////////////////////////////////////////////////////////////////// // Initialize the properties tree @@ -277,12 +282,17 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ //^^^ clock created up top, just reg props here... ^^^ _tree->create<double>(mb_path / "tick_rate") .publish(boost::bind(&b100_clock_ctrl::get_fpga_clock_rate, _clock_ctrl)) + .subscribe(boost::bind(&fifo_ctrl_excelsior::set_tick_rate, _fifo_ctrl, _1)) .subscribe(boost::bind(&b100_impl::update_tick_rate, this, _1)); + //subscribe the command time while we are at it + _tree->create<time_spec_t>(mb_path / "time/cmd") + .subscribe(boost::bind(&fifo_ctrl_excelsior::set_time, _fifo_ctrl, _1)); + //////////////////////////////////////////////////////////////////// // create codec control objects //////////////////////////////////////////////////////////////////// - _codec_ctrl = b100_codec_ctrl::make(_fpga_spi_ctrl); + _codec_ctrl = b100_codec_ctrl::make(_fifo_ctrl); const fs_path rx_codec_path = mb_path / "rx_codecs/A"; const fs_path tx_codec_path = mb_path / "tx_codecs/A"; _tree->create<std::string>(rx_codec_path / "name").set("ad9522"); @@ -304,8 +314,8 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // create frontend control objects //////////////////////////////////////////////////////////////////// - _rx_fe = rx_frontend_core_200::make(_fpga_ctrl, B100_REG_SR_ADDR(B100_SR_RX_FRONT)); - _tx_fe = tx_frontend_core_200::make(_fpga_ctrl, B100_REG_SR_ADDR(B100_SR_TX_FRONT)); + _rx_fe = rx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_RX_FE)); + _tx_fe = tx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_TX_FE)); _tree->create<subdev_spec_t>(mb_path / "rx_subdev_spec") .subscribe(boost::bind(&b100_impl::update_rx_subdev_spec, this, _1)); @@ -334,13 +344,17 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // create rx dsp control objects //////////////////////////////////////////////////////////////////// - _rx_dsps.push_back(rx_dsp_core_200::make( - _fpga_ctrl, B100_REG_SR_ADDR(B100_SR_RX_DSP0), B100_REG_SR_ADDR(B100_SR_RX_CTRL0), B100_RX_SID_BASE + 0 - )); - _rx_dsps.push_back(rx_dsp_core_200::make( - _fpga_ctrl, B100_REG_SR_ADDR(B100_SR_RX_DSP1), B100_REG_SR_ADDR(B100_SR_RX_CTRL1), B100_RX_SID_BASE + 1 - )); - for (size_t dspno = 0; dspno < _rx_dsps.size(); dspno++){ + const size_t num_rx_dsps = _fifo_ctrl->peek32(REG_RB_NUM_RX_DSP); + for (size_t dspno = 0; dspno < num_rx_dsps; dspno++) + { + const size_t sr_off = dspno*32; + _rx_dsps.push_back(rx_dsp_core_200::make( + _fifo_ctrl, + TOREG(SR_RX_DSP0+sr_off), + TOREG(SR_RX_CTRL0+sr_off), + B100_RX_SID_BASE + dspno + )); + _rx_dsps[dspno]->set_link_rate(B100_LINK_RATE_BPS); _tree->access<double>(mb_path / "tick_rate") .subscribe(boost::bind(&rx_dsp_core_200::set_tick_rate, _rx_dsps[dspno], _1)); @@ -363,7 +377,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ // create tx dsp control objects //////////////////////////////////////////////////////////////////// _tx_dsp = tx_dsp_core_200::make( - _fpga_ctrl, B100_REG_SR_ADDR(B100_SR_TX_DSP), B100_REG_SR_ADDR(B100_SR_TX_CTRL), B100_TX_ASYNC_SID + _fifo_ctrl, TOREG(SR_TX_DSP), TOREG(SR_TX_CTRL), B100_TX_ASYNC_SID ); _tx_dsp->set_link_rate(B100_LINK_RATE_BPS); _tree->access<double>(mb_path / "tick_rate") @@ -383,12 +397,12 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ // create time control objects //////////////////////////////////////////////////////////////////// time64_core_200::readback_bases_type time64_rb_bases; - time64_rb_bases.rb_hi_now = B100_REG_RB_TIME_NOW_HI; - time64_rb_bases.rb_lo_now = B100_REG_RB_TIME_NOW_LO; - time64_rb_bases.rb_hi_pps = B100_REG_RB_TIME_PPS_HI; - time64_rb_bases.rb_lo_pps = B100_REG_RB_TIME_PPS_LO; + time64_rb_bases.rb_hi_now = REG_RB_TIME_NOW_HI; + time64_rb_bases.rb_lo_now = REG_RB_TIME_NOW_LO; + time64_rb_bases.rb_hi_pps = REG_RB_TIME_PPS_HI; + time64_rb_bases.rb_lo_pps = REG_RB_TIME_PPS_LO; _time64 = time64_core_200::make( - _fpga_ctrl, B100_REG_SR_ADDR(B100_SR_TIME64), time64_rb_bases + _fifo_ctrl, TOREG(SR_TIME64), time64_rb_bases ); _tree->access<double>(mb_path / "tick_rate") .subscribe(boost::bind(&time64_core_200::set_tick_rate, _time64, _1)); @@ -412,7 +426,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ //////////////////////////////////////////////////////////////////// // create user-defined control objects //////////////////////////////////////////////////////////////////// - _user = user_settings_core_200::make(_fpga_ctrl, B100_REG_SR_ADDR(B100_SR_USER_REGS)); + _user = user_settings_core_200::make(_fifo_ctrl, TOREG(SR_USER_REGS)); _tree->create<user_settings_core_200::user_reg_t>(mb_path / "user/regs") .subscribe(boost::bind(&user_settings_core_200::set_reg, _user, _1)); @@ -438,7 +452,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ .subscribe(boost::bind(&b100_impl::set_db_eeprom, this, "gdb", _1)); //create a new dboard interface and manager - _dboard_iface = make_b100_dboard_iface(_fpga_ctrl, _fpga_i2c_ctrl, _fpga_spi_ctrl, _clock_ctrl, _codec_ctrl); + _dboard_iface = make_b100_dboard_iface(_fifo_ctrl, _fpga_i2c_ctrl, _fifo_ctrl/*spi*/, _clock_ctrl, _codec_ctrl); _tree->create<dboard_iface::sptr>(mb_path / "dboards/A/iface").set(_dboard_iface); _dboard_manager = dboard_manager::make( rx_db_eeprom.id, tx_db_eeprom.id, gdb_eeprom.id, @@ -458,7 +472,11 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ } //initialize io handling - this->io_init(); + _recv_demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), B100_RX_SID_BASE); + + //allocate streamer weak ptrs containers + _rx_streamers.resize(_rx_dsps.size()); + _tx_streamers.resize(1/*known to be 1 dsp*/); //////////////////////////////////////////////////////////////////// // do some post-init tasks @@ -483,8 +501,7 @@ b100_impl::b100_impl(const device_addr_t &device_addr){ } b100_impl::~b100_impl(void){ - //set an empty async callback now that we deconstruct - _fpga_ctrl->set_async_cb(b100_ctrl::async_cb_type()); + //NOP } void b100_impl::check_fw_compat(void){ @@ -502,7 +519,7 @@ void b100_impl::check_fw_compat(void){ } void b100_impl::check_fpga_compat(void){ - const boost::uint32_t fpga_compat_num = _fpga_ctrl->peek32(B100_REG_RB_COMPAT); + const boost::uint32_t fpga_compat_num = _fifo_ctrl->peek32(REG_RB_COMPAT); boost::uint16_t fpga_major = fpga_compat_num >> 16, fpga_minor = fpga_compat_num & 0xffff; if (fpga_major == 0){ //old version scheme fpga_major = fpga_minor; @@ -537,6 +554,19 @@ void b100_impl::set_db_eeprom(const std::string &type, const uhd::usrp::dboard_e } void b100_impl::update_clock_source(const std::string &source){ + + if (source == "pps_sync"){ + _clock_ctrl->use_external_ref(); + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 1); + return; + } + if (source == "_pps_sync_"){ + _clock_ctrl->use_external_ref(); + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 3); + return; + } + _fifo_ctrl->poke32(TOREG(SR_MISC+2), 0); + if (source == "auto") _clock_ctrl->use_auto_ref(); else if (source == "internal") _clock_ctrl->use_internal_ref(); else if (source == "external") _clock_ctrl->use_external_ref(); diff --git a/host/lib/usrp/b100/b100_impl.hpp b/host/lib/usrp/b100/b100_impl.hpp index 22e22bcff..250229fb8 100644 --- a/host/lib/usrp/b100/b100_impl.hpp +++ b/host/lib/usrp/b100/b100_impl.hpp @@ -19,20 +19,19 @@ #define INCLUDED_B100_IMPL_HPP #include "fx2_ctrl.hpp" -#include "b100_ctrl.hpp" #include "clock_ctrl.hpp" #include "codec_ctrl.hpp" -#include "spi_core_100.hpp" -#include "i2c_core_100.hpp" +#include "i2c_core_200.hpp" #include "rx_frontend_core_200.hpp" #include "tx_frontend_core_200.hpp" #include "rx_dsp_core_200.hpp" #include "tx_dsp_core_200.hpp" #include "time64_core_200.hpp" +#include "fifo_ctrl_excelsior.hpp" #include "user_settings_core_200.hpp" +#include "recv_packet_demuxer.hpp" #include <uhd/device.hpp> #include <uhd/property_tree.hpp> -#include <uhd/utils/pimpl.hpp> #include <uhd/types/dict.hpp> #include <uhd/types/sensors.hpp> #include <uhd/types/clock_config.hpp> @@ -47,10 +46,11 @@ static const double B100_LINK_RATE_BPS = 256e6/5; //pratical link rate (< 480 Mbps) static const std::string B100_FW_FILE_NAME = "usrp_b100_fw.ihx"; static const std::string B100_FPGA_FILE_NAME = "usrp_b100_fpga.bin"; -static const boost::uint16_t B100_FW_COMPAT_NUM = 0x03; -static const boost::uint16_t B100_FPGA_COMPAT_NUM = 10; -static const boost::uint32_t B100_RX_SID_BASE = 2; -static const boost::uint32_t B100_TX_ASYNC_SID = 1; +static const boost::uint16_t B100_FW_COMPAT_NUM = 0x04; +static const boost::uint16_t B100_FPGA_COMPAT_NUM = 11; +static const boost::uint32_t B100_RX_SID_BASE = 30; +static const boost::uint32_t B100_TX_ASYNC_SID = 10; +static const boost::uint32_t B100_CTRL_MSG_SID = 20; static const double B100_DEFAULT_TICK_RATE = 64e6; static const size_t B100_MAX_PKT_BYTE_LIMIT = 2048; static const std::string B100_EEPROM_MAP_KEY = "B100"; @@ -80,8 +80,8 @@ private: uhd::property_tree::sptr _tree; //controllers - spi_core_100::sptr _fpga_spi_ctrl; - i2c_core_100::sptr _fpga_i2c_ctrl; + fifo_ctrl_excelsior::sptr _fifo_ctrl; + i2c_core_200::sptr _fpga_i2c_ctrl; rx_frontend_core_200::sptr _rx_fe; tx_frontend_core_200::sptr _tx_fe; std::vector<rx_dsp_core_200::sptr> _rx_dsps; @@ -90,20 +90,17 @@ private: user_settings_core_200::sptr _user; b100_clock_ctrl::sptr _clock_ctrl; b100_codec_ctrl::sptr _codec_ctrl; - b100_ctrl::sptr _fpga_ctrl; uhd::usrp::fx2_ctrl::sptr _fx2_ctrl; //transports - uhd::transport::zero_copy_if::sptr _data_transport, _ctrl_transport; + uhd::transport::zero_copy_if::sptr _ctrl_transport; + uhd::transport::zero_copy_if::sptr _data_transport; + uhd::usrp::recv_packet_demuxer::sptr _recv_demuxer; //dboard stuff uhd::usrp::dboard_manager::sptr _dboard_manager; uhd::usrp::dboard_iface::sptr _dboard_iface; - //handle io stuff - UHD_PIMPL_DECL(io_impl) _io_impl; - void io_init(void); - //device properties interface uhd::property_tree::sptr get_tree(void) const{ return _tree; @@ -126,7 +123,6 @@ private: void update_clock_source(const std::string &); void enable_gpif(const bool); void clear_fpga_fifo(void); - void handle_async_message(uhd::transport::managed_recv_buffer::sptr); uhd::sensor_value_t get_ref_locked(void); void set_rx_fe_corrections(const double); void set_tx_fe_corrections(const double); diff --git a/host/lib/usrp/b100/b100_regs.hpp b/host/lib/usrp/b100/b100_regs.hpp index 987a09f03..48eb0460d 100644 --- a/host/lib/usrp/b100/b100_regs.hpp +++ b/host/lib/usrp/b100/b100_regs.hpp @@ -15,109 +15,49 @@ // along with this program. If not, see <http://www.gnu.org/licenses/>. // -//////////////////////////////////////////////////////////////// -// -// Memory map for wishbone bus -// -//////////////////////////////////////////////////////////////// - -// All addresses are byte addresses. All accesses are word (16-bit) accesses. -// This means that address bit 0 is usually 0. -// There are 11 bits of address for the control. - #ifndef INCLUDED_B100_REGS_HPP #define INCLUDED_B100_REGS_HPP -///////////////////////////////////////////////////// -// Slave pointers +#include <boost/cstdint.hpp> -#define B100_REG_SLAVE(n) ((n)<<7) +#define TOREG(x) ((x)*4) -///////////////////////////////////////////////////// -// Slave 0 -- Misc Regs +#define localparam static const int -#define B100_REG_MISC_BASE B100_REG_SLAVE(0) +localparam SR_MISC = 0; // 5 +localparam SR_USER_REGS = 5; // 2 +localparam SR_PADDER = 10; // 2 -#define B100_REG_MISC_LED B100_REG_MISC_BASE + 0 -#define B100_REG_MISC_SW B100_REG_MISC_BASE + 2 -#define B100_REG_MISC_CGEN_CTRL B100_REG_MISC_BASE + 4 -#define B100_REG_MISC_CGEN_ST B100_REG_MISC_BASE + 6 +localparam SR_TX_CTRL = 32; // 6 +localparam SR_TX_DSP = 40; // 5 +localparam SR_TX_FE = 48; // 5 -///////////////////////////////////////////////////// -// Slave 1 -- UART -// CLKDIV is 16 bits, others are only 8 +localparam SR_RX_CTRL0 = 96; // 9 +localparam SR_RX_DSP0 = 106; // 7 +localparam SR_RX_FE = 114; // 5 -#define B100_REG_UART_BASE B100_REG_SLAVE(1) +localparam SR_RX_CTRL1 = 128; // 9 +localparam SR_RX_DSP1 = 138; // 7 -#define B100_REG_UART_CLKDIV B100_REG_UART_BASE + 0 -#define B100_REG_UART_TXLEVEL B100_REG_UART_BASE + 2 -#define B100_REG_UART_RXLEVEL B100_REG_UART_BASE + 4 -#define B100_REG_UART_TXCHAR B100_REG_UART_BASE + 6 -#define B100_REG_UART_RXCHAR B100_REG_UART_BASE + 8 +localparam SR_TIME64 = 192; // 6 +localparam SR_SPI = 208; // 3 +localparam SR_I2C = 216; // 1 +localparam SR_GPIO = 224; // 5 -///////////////////////////////////////////////////// -// Slave 2 -- SPI Core -//these are 32-bit registers mapped onto the 16-bit Wishbone bus. -//Using peek32/poke32 should allow transparent use of these registers. -#define B100_REG_SPI_BASE B100_REG_SLAVE(2) +#define REG_RB_TIME_NOW_HI TOREG(10) +#define REG_RB_TIME_NOW_LO TOREG(11) +#define REG_RB_TIME_PPS_HI TOREG(14) +#define REG_RB_TIME_PPS_LO TOREG(15) +#define REG_RB_SPI TOREG(0) +#define REG_RB_COMPAT TOREG(1) +#define REG_RB_GPIO TOREG(3) +#define REG_RB_I2C TOREG(2) +#define REG_RB_NUM_RX_DSP TOREG(6) //spi slave constants #define B100_SPI_SS_AD9862 (1 << 2) #define B100_SPI_SS_TX_DB (1 << 1) #define B100_SPI_SS_RX_DB (1 << 0) -//////////////////////////////////////////////// -// Slave 3 -- I2C Core - -#define B100_REG_I2C_BASE B100_REG_SLAVE(3) - -/////////////////////////////////////////////////// -// Slave 7 -- Readback Mux 32 - -#define B100_REG_RB_MUX_32_BASE B100_REG_SLAVE(7) - -#define B100_REG_RB_TIME_NOW_HI B100_REG_RB_MUX_32_BASE + 0 -#define B100_REG_RB_TIME_NOW_LO B100_REG_RB_MUX_32_BASE + 4 -#define B100_REG_RB_TIME_PPS_HI B100_REG_RB_MUX_32_BASE + 8 -#define B100_REG_RB_TIME_PPS_LO B100_REG_RB_MUX_32_BASE + 12 -#define B100_REG_RB_MISC_TEST32 B100_REG_RB_MUX_32_BASE + 16 -#define B100_REG_RB_COMPAT B100_REG_RB_MUX_32_BASE + 24 -#define B100_REG_RB_GPIO B100_REG_RB_MUX_32_BASE + 28 - -//////////////////////////////////////////////////// -// Slaves 8 & 9 -- Settings Bus -// -// Output-only, no readback, 64 registers total -// Each register must be written 32 bits at a time -// First the address xxx_xx00 and then xxx_xx10 -// 64 total regs in address space -#define B100_SR_RX_CTRL0 0 // 9 regs (+0 to +8) -#define B100_SR_RX_DSP0 10 // 4 regs (+0 to +3) -#define B100_SR_RX_CTRL1 16 // 9 regs (+0 to +8) -#define B100_SR_RX_DSP1 26 // 4 regs (+0 to +3) -#define B100_SR_TX_CTRL 32 // 4 regs (+0 to +3) -#define B100_SR_TX_DSP 38 // 3 regs (+0 to +2) - -#define B100_SR_TIME64 42 // 6 regs (+0 to +5) -#define B100_SR_RX_FRONT 48 // 5 regs (+0 to +4) -#define B100_SR_TX_FRONT 54 // 5 regs (+0 to +4) - -#define B100_SR_REG_TEST32 60 // 1 reg -#define B100_SR_CLEAR_FIFO 61 // 1 reg -#define B100_SR_GLOBAL_RESET 63 // 1 reg -#define B100_SR_USER_REGS 64 // 2 regs - -#define B100_SR_GPIO 128 - -#define B100_REG_SR_ADDR(n) (B100_REG_SLAVE(8) + (4*(n))) - -#define B100_REG_SR_MISC_TEST32 B100_REG_SR_ADDR(B100_SR_REG_TEST32) - -///////////////////////////////////////////////// -// Magic reset regs -//////////////////////////////////////////////// -#define B100_REG_CLEAR_FIFO B100_REG_SR_ADDR(B100_SR_CLEAR_FIFO) -#define B100_REG_GLOBAL_RESET B100_REG_SR_ADDR(B100_SR_GLOBAL_RESET) - -#endif +#endif /*INCLUDED_B100_REGS_HPP*/ diff --git a/host/lib/usrp/b100/ctrl_packet.hpp b/host/lib/usrp/b100/ctrl_packet.hpp deleted file mode 100644 index bab1f0de1..000000000 --- a/host/lib/usrp/b100/ctrl_packet.hpp +++ /dev/null @@ -1,75 +0,0 @@ -// -// Copyright 2011 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_CTRL_PACKET_HPP -#define INCLUDED_CTRL_PACKET_HPP - -#include <uhd/config.hpp> -#include <boost/cstdint.hpp> -#include <uhd/types/serial.hpp> - -typedef std::vector<boost::uint16_t> ctrl_data_t; - -/*! - * Control packet operation type - */ -enum ctrl_pkt_op_t { - CTRL_PKT_OP_WRITE = 1, - CTRL_PKT_OP_READ = 2, - CTRL_PKT_OP_READBACK = 3 -}; - -/*! - * Control packet transaction length - */ -const size_t CTRL_PACKET_LENGTH = 32; -const size_t CTRL_PACKET_HEADER_LENGTH = 8; -const size_t CTRL_PACKET_DATA_LENGTH = 24; //=length-header - -/*! - * Control packet header magic value - */ -const boost::uint8_t CTRL_PACKET_HEADER_MAGIC = 0xAA; - -/*! - * Callback triggers for readback operation - */ -//FIXME: these are not real numbers, callbacks aren't implemented yet -const boost::uint16_t CTRL_PACKET_CALLBACK_SPI = 0x0001; -const boost::uint16_t CTRL_PACKET_CALLBACK_I2C = 0x0002; -//and so on - -/*! - * Metadata structure to describe a control packet - */ -struct UHD_API ctrl_pkt_meta_t { - ctrl_pkt_op_t op; - boost::uint8_t callbacks; - boost::uint8_t seq; - boost::uint16_t len; - boost::uint32_t addr; -}; - -/*! - * Full control packet structure - */ -struct UHD_API ctrl_pkt_t { - ctrl_pkt_meta_t pkt_meta; - ctrl_data_t data; -}; - -#endif /* INCLUDED_CTRL_PACKET_HPP */ diff --git a/host/lib/usrp/b100/dboard_iface.cpp b/host/lib/usrp/b100/dboard_iface.cpp index 39ad5c5ac..25604da72 100644 --- a/host/lib/usrp/b100/dboard_iface.cpp +++ b/host/lib/usrp/b100/dboard_iface.cpp @@ -45,7 +45,7 @@ public: _spi_iface = spi_iface; _clock = clock; _codec = codec; - _gpio = gpio_core_200::make(_wb_iface, B100_REG_SR_ADDR(B100_SR_GPIO), B100_REG_RB_GPIO); + _gpio = gpio_core_200::make(_wb_iface, TOREG(SR_GPIO), REG_RB_GPIO); //init the clock rate shadows this->set_clock_rate(UNIT_RX, _clock->get_fpga_clock_rate()); diff --git a/host/lib/usrp/b100/io_impl.cpp b/host/lib/usrp/b100/io_impl.cpp index 674380cca..723756dcc 100644 --- a/host/lib/usrp/b100/io_impl.cpp +++ b/host/lib/usrp/b100/io_impl.cpp @@ -15,16 +15,10 @@ // along with this program. If not, see <http://www.gnu.org/licenses/>. // -#include "recv_packet_demuxer.hpp" #include "validate_subdev_spec.hpp" -#include "async_packet_handler.hpp" #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/utils/thread_priority.hpp> -#include <uhd/transport/bounded_buffer.hpp> #include <boost/bind.hpp> #include <boost/format.hpp> #include <boost/bind.hpp> @@ -37,66 +31,6 @@ using namespace uhd; using namespace uhd::usrp; using namespace uhd::transport; -/*********************************************************************** - * IO Implementation Details - **********************************************************************/ -struct b100_impl::io_impl{ - io_impl(void): - async_msg_fifo(1000/*messages deep*/) - { /* NOP */ } - - zero_copy_if::sptr data_transport; - bounded_buffer<async_metadata_t> async_msg_fifo; - recv_packet_demuxer::sptr demuxer; - double tick_rate; -}; - -/*********************************************************************** - * Initialize internals within this file - **********************************************************************/ -void b100_impl::io_init(void){ - - //clear fifo state machines - _fpga_ctrl->poke32(B100_REG_CLEAR_FIFO, 0); - - //allocate streamer weak ptrs containers - _rx_streamers.resize(_rx_dsps.size()); - _tx_streamers.resize(1/*known to be 1 dsp*/); - - //create new io impl - _io_impl = UHD_PIMPL_MAKE(io_impl, ()); - _io_impl->demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), B100_RX_SID_BASE); - - //now its safe to register the async callback - _fpga_ctrl->set_async_cb(boost::bind(&b100_impl::handle_async_message, this, _1)); -} - -void b100_impl::handle_async_message(managed_recv_buffer::sptr rbuf){ - vrt::if_packet_info_t if_packet_info; - if_packet_info.num_packet_words32 = rbuf->size()/sizeof(boost::uint32_t); - const boost::uint32_t *vrt_hdr = rbuf->cast<const boost::uint32_t *>(); - try{ - vrt::if_hdr_unpack_le(vrt_hdr, if_packet_info); - } - catch(const std::exception &e){ - UHD_MSG(error) << "Error (handle_async_message): " << e.what() << std::endl; - } - - if (if_packet_info.sid == B100_TX_ASYNC_SID and if_packet_info.packet_type != vrt::if_packet_info_t::PACKET_TYPE_DATA){ - - //fill in the async metadata - async_metadata_t metadata; - load_metadata_from_buff(uhd::wtohx<boost::uint32_t>, metadata, if_packet_info, vrt_hdr, _io_impl->tick_rate); - - //push the message onto the queue - _io_impl->async_msg_fifo.push_with_pop_on_full(metadata); - - //print some fastpath messages - standard_async_msg_prints(metadata); - } - else UHD_MSG(error) << "Unknown async packet" << std::endl; -} - void b100_impl::update_rates(void){ const fs_path mb_path = "/mboards/0"; _tree->access<double>(mb_path / "tick_rate").update(); @@ -111,7 +45,6 @@ void b100_impl::update_rates(void){ } void b100_impl::update_tick_rate(const double rate){ - _io_impl->tick_rate = rate; //update the tick rate on all existing streamers -> thread safe for (size_t i = 0; i < _rx_streamers.size(); i++){ @@ -181,8 +114,7 @@ void b100_impl::update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){ bool b100_impl::recv_async_msg( async_metadata_t &async_metadata, double timeout ){ - boost::this_thread::disable_interruption di; //disable because the wait can throw - return _io_impl->async_msg_fifo.pop_with_timed_wait(async_metadata, timeout); + return _fifo_ctrl->pop_async_msg(async_metadata, timeout); } /*********************************************************************** @@ -227,7 +159,7 @@ rx_streamer::sptr b100_impl::get_rx_stream(const uhd::stream_args_t &args_){ _rx_dsps[dsp]->set_nsamps_per_packet(spp); //seems to be a good place to set this _rx_dsps[dsp]->setup(args); my_streamer->set_xport_chan_get_buff(chan_i, boost::bind( - &recv_packet_demuxer::get_recv_buff, _io_impl->demuxer, dsp, _1 + &recv_packet_demuxer::get_recv_buff, _recv_demuxer, dsp, _1 ), true /*flush*/); my_streamer->set_overflow_handler(chan_i, boost::bind( &rx_dsp_core_200::handle_overflow, _rx_dsps[dsp] |