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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/types/mac_addr.hpp>
#include <uhd/types/dict.hpp>
using namespace uhd;
using namespace uhd::usrp;
/***********************************************************************
* Helper Methods
**********************************************************************/
void usrp2_impl::mboard_init(void){
_mboards[""] = wax_obj_proxy::make(
boost::bind(&usrp2_impl::mboard_get, this, _1, _2),
boost::bind(&usrp2_impl::mboard_set, this, _1, _2)
);
//set the time on the usrp2 as close as possible to the system utc time
boost::posix_time::ptime now(boost::posix_time::microsec_clock::universal_time());
set_time_spec(time_spec_t(now, get_master_clock_freq()), true);
}
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
this->poke(FR_TIME64_FLAGS, pps_flags);
//TODO clock source ref 10mhz (spi ad9510)
}
void usrp2_impl::set_time_spec(const time_spec_t &time_spec, bool now){
//set ticks and seconds
this->poke(FR_TIME64_SECS, time_spec.secs);
this->poke(FR_TIME64_TICKS, time_spec.ticks);
//set the register to latch it all in
boost::uint32_t imm_flags = (now)? FRF_TIME64_LATCH_NOW : FRF_TIME64_LATCH_NEXT_PPS;
this->poke(FR_TIME64_IMM, imm_flags);
}
/***********************************************************************
* 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"){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_MAC_ADDR_BRO);
//send and recv
usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THIS_IS_MY_MAC_ADDR_DUDE);
//extract the address
val = mac_addr_t::from_bytes(in_data.data.mac_addr).to_string();
return;
}
if (key.as<std::string>() == "ip-addr"){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_IP_ADDR_BRO);
//send and recv
usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THIS_IS_MY_IP_ADDR_DUDE);
//extract the address
val = boost::asio::ip::address_v4(ntohl(in_data.data.ip_addr)).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:
ASSERT_THROW(_rx_dboards.has_key(name));
val = _rx_dboards[name]->get_link();
return;
case MBOARD_PROP_RX_DBOARD_NAMES:
val = prop_names_t(_rx_dboards.get_keys());
return;
case MBOARD_PROP_TX_DBOARD:
ASSERT_THROW(_tx_dboards.has_key(name));
val = _tx_dboards[name]->get_link();
return;
case MBOARD_PROP_TX_DBOARD_NAMES:
val = prop_names_t(_tx_dboards.get_keys());
return;
case MBOARD_PROP_CLOCK_RATE:
val = double(get_master_clock_freq());
return;
case MBOARD_PROP_RX_DSP:
ASSERT_THROW(_rx_dsps.has_key(name));
val = _rx_dsps[name]->get_link();
return;
case MBOARD_PROP_RX_DSP_NAMES:
val = prop_names_t(_rx_dsps.get_keys());
return;
case MBOARD_PROP_TX_DSP:
ASSERT_THROW(_tx_dsps.has_key(name));
val = _tx_dsps[name]->get_link();
return;
case MBOARD_PROP_TX_DSP_NAMES:
val = prop_names_t(_tx_dsps.get_keys());
return;
case MBOARD_PROP_CLOCK_CONFIG:
val = _clock_config;
return;
case MBOARD_PROP_TIME_NOW:
case MBOARD_PROP_TIME_NEXT_PPS:
throw std::runtime_error("Error: trying to get write-only property on usrp2 mboard");
}
}
/***********************************************************************
* 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"){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_HERE_IS_A_NEW_MAC_ADDR_BRO);
mac_addr_t mac_addr = mac_addr_t::from_string(val.as<std::string>());
std::copy(mac_addr.to_bytes(), mac_addr.to_bytes()+mac_addr_t::hlen, out_data.data.mac_addr);
//send and recv
usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THIS_IS_MY_MAC_ADDR_DUDE);
return;
}
if (key.as<std::string>() == "ip-addr"){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_HERE_IS_A_NEW_IP_ADDR_BRO);
out_data.data.ip_addr = htonl(boost::asio::ip::address_v4::from_string(val.as<std::string>()).to_ulong());
//send and recv
usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THIS_IS_MY_IP_ADDR_DUDE);
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_NAME:
case MBOARD_PROP_OTHERS:
case MBOARD_PROP_CLOCK_RATE:
case MBOARD_PROP_RX_DSP:
case MBOARD_PROP_RX_DSP_NAMES:
case MBOARD_PROP_TX_DSP:
case MBOARD_PROP_TX_DSP_NAMES:
case MBOARD_PROP_RX_DBOARD:
case MBOARD_PROP_RX_DBOARD_NAMES:
case MBOARD_PROP_TX_DBOARD:
case MBOARD_PROP_TX_DBOARD_NAMES:
throw std::runtime_error("Error: trying to set read-only property on usrp2 mboard");
}
}
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