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//
// 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 "usrp2_impl.hpp"
#include "usrp2_regs.hpp"
#include <uhd/usrp/mboard_props.hpp>
#include <uhd/utils/assert.hpp>
#include <uhd/utils/algorithm.hpp>
#include <uhd/types/mac_addr.hpp>
#include <uhd/types/dict.hpp>
#include <boost/bind.hpp>
#include <boost/asio/ip/address_v4.hpp>
#include <boost/assign/list_of.hpp>
using namespace uhd;
using namespace uhd::usrp;
/***********************************************************************
* Helper Methods
**********************************************************************/
void usrp2_impl::mboard_init(void){
_mboard_proxy = wax_obj_proxy::make(
boost::bind(&usrp2_impl::mboard_get, this, _1, _2),
boost::bind(&usrp2_impl::mboard_set, this, _1, _2)
);
}
void usrp2_impl::init_clock_config(void){
//setup the clock configuration settings
_clock_config.ref_source = clock_config_t::REF_INT;
_clock_config.pps_source = clock_config_t::PPS_SMA;
_clock_config.pps_polarity = clock_config_t::PPS_NEG;
//update the clock config (sends a control packet)
update_clock_config();
}
void usrp2_impl::update_clock_config(void){
boost::uint32_t pps_flags = 0;
//translate pps source enums
switch(_clock_config.pps_source){
case clock_config_t::PPS_SMA: pps_flags |= FRF_TIME64_PPS_SMA; break;
case clock_config_t::PPS_MIMO: pps_flags |= FRF_TIME64_PPS_MIMO; break;
default: throw std::runtime_error("usrp2: unhandled clock configuration pps source");
}
//translate pps polarity enums
switch(_clock_config.pps_polarity){
case clock_config_t::PPS_POS: pps_flags |= FRF_TIME64_PPS_POSEDGE; break;
case clock_config_t::PPS_NEG: pps_flags |= FRF_TIME64_PPS_NEGEDGE; break;
default: throw std::runtime_error("usrp2: unhandled clock configuration pps polarity");
}
//set the pps flags
_iface->poke32(FR_TIME64_FLAGS, pps_flags);
//clock source ref 10mhz
switch(_clock_config.ref_source){
case clock_config_t::REF_INT : _iface->poke32(FR_MISC_CTRL_CLOCK, 0x10); break;
case clock_config_t::REF_SMA : _iface->poke32(FR_MISC_CTRL_CLOCK, 0x1C); break;
case clock_config_t::REF_MIMO: _iface->poke32(FR_MISC_CTRL_CLOCK, 0x15); break;
default: throw std::runtime_error("usrp2: unhandled clock configuration reference source");
}
//clock source ref 10mhz
bool use_external = _clock_config.ref_source != clock_config_t::REF_INT;
_clock_ctrl->enable_external_ref(use_external);
}
void usrp2_impl::set_time_spec(const time_spec_t &time_spec, bool now){
//set the ticks
_iface->poke32(FR_TIME64_TICKS, time_spec.get_ticks(get_master_clock_freq()));
//set the flags register
boost::uint32_t imm_flags = (now)? FRF_TIME64_LATCH_NOW : FRF_TIME64_LATCH_NEXT_PPS;
_iface->poke32(FR_TIME64_IMM, imm_flags);
//set the seconds (latches in all 3 registers)
_iface->poke32(FR_TIME64_SECS, time_spec.secs);
}
void usrp2_impl::issue_ddc_stream_cmd(const stream_cmd_t &stream_cmd){
UHD_ASSERT_THROW(stream_cmd.num_samps <= FR_RX_CTRL_MAX_SAMPS_PER_CMD);
//setup the mode to instruction flags
typedef boost::tuple<bool, bool, bool> inst_t;
static const uhd::dict<stream_cmd_t::stream_mode_t, inst_t> mode_to_inst = boost::assign::map_list_of
//reload, chain, samps
(stream_cmd_t::STREAM_MODE_START_CONTINUOUS, inst_t(true, true, false))
(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS, inst_t(false, false, false))
(stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE, inst_t(false, false, true))
(stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_MORE, inst_t(false, true, true))
;
//setup the instruction flag values
bool inst_reload, inst_chain, inst_samps;
boost::tie(inst_reload, inst_chain, inst_samps) = mode_to_inst[stream_cmd.stream_mode];
//issue the stream command
_iface->poke32(FR_RX_CTRL_STREAM_CMD, FR_RX_CTRL_MAKE_CMD(
(inst_samps)? stream_cmd.num_samps : ((inst_chain)? get_max_recv_samps_per_packet() : 1),
(stream_cmd.stream_now)? 1 : 0,
(inst_chain)? 1 : 0,
(inst_reload)? 1 : 0
));
_iface->poke32(FR_RX_CTRL_TIME_SECS, stream_cmd.time_spec.secs);
_iface->poke32(FR_RX_CTRL_TIME_TICKS, stream_cmd.time_spec.get_ticks(get_master_clock_freq()));
}
/***********************************************************************
* MBoard Get Properties
**********************************************************************/
void usrp2_impl::mboard_get(const wax::obj &key_, wax::obj &val){
wax::obj key; std::string name;
boost::tie(key, name) = extract_named_prop(key_);
//handle the other props
if (key.type() == typeid(std::string)){
if (key.as<std::string>() == "mac-addr"){
byte_vector_t bytes = _iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_MAC_ADDR, 6);
val = mac_addr_t::from_bytes(bytes).to_string();
return;
}
if (key.as<std::string>() == "ip-addr"){
boost::asio::ip::address_v4::bytes_type bytes;
std::copy(_iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_IP_ADDR, 4), bytes);
val = boost::asio::ip::address_v4(bytes).to_string();
return;
}
}
//handle the get request conditioned on the key
switch(key.as<mboard_prop_t>()){
case MBOARD_PROP_NAME:
val = std::string("usrp2 mboard");
return;
case MBOARD_PROP_OTHERS:{
prop_names_t others = boost::assign::list_of
("mac-addr")
("ip-addr")
;
val = others;
}
return;
case MBOARD_PROP_RX_DBOARD:
UHD_ASSERT_THROW(name == "");
val = _rx_dboard_proxy->get_link();
return;
case MBOARD_PROP_RX_DBOARD_NAMES:
val = prop_names_t(1, "");
return;
case MBOARD_PROP_TX_DBOARD:
UHD_ASSERT_THROW(name == "");
val = _tx_dboard_proxy->get_link();
return;
case MBOARD_PROP_TX_DBOARD_NAMES:
val = prop_names_t(1, "");
return;
case MBOARD_PROP_RX_DSP:
UHD_ASSERT_THROW(name == "");
val = _rx_dsp_proxy->get_link();
return;
case MBOARD_PROP_RX_DSP_NAMES:
val = prop_names_t(1, "");
return;
case MBOARD_PROP_TX_DSP:
UHD_ASSERT_THROW(name == "");
val = _tx_dsp_proxy->get_link();
return;
case MBOARD_PROP_TX_DSP_NAMES:
val = prop_names_t(1, "");
return;
case MBOARD_PROP_CLOCK_CONFIG:
val = _clock_config;
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
/***********************************************************************
* MBoard Set Properties
**********************************************************************/
void usrp2_impl::mboard_set(const wax::obj &key, const wax::obj &val){
//handle the other props
if (key.type() == typeid(std::string)){
if (key.as<std::string>() == "mac-addr"){
byte_vector_t bytes = mac_addr_t::from_string(val.as<std::string>()).to_bytes();
_iface->write_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_MAC_ADDR, bytes);
return;
}
if (key.as<std::string>() == "ip-addr"){
byte_vector_t bytes(4);
std::copy(boost::asio::ip::address_v4::from_string(val.as<std::string>()).to_bytes(), bytes);
_iface->write_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_IP_ADDR, bytes);
return;
}
}
//handle the get request conditioned on the key
switch(key.as<mboard_prop_t>()){
case MBOARD_PROP_CLOCK_CONFIG:
_clock_config = val.as<clock_config_t>();
update_clock_config();
return;
case MBOARD_PROP_TIME_NOW:
set_time_spec(val.as<time_spec_t>(), true);
return;
case MBOARD_PROP_TIME_NEXT_PPS:
set_time_spec(val.as<time_spec_t>(), false);
return;
case MBOARD_PROP_STREAM_CMD:
issue_ddc_stream_cmd(val.as<stream_cmd_t>());
return;
default: UHD_THROW_PROP_SET_ERROR();
}
}
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