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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 <uhd/utils.hpp>
#include "usrp2_impl.hpp"
using namespace uhd;
/***********************************************************************
* Helper Methods
**********************************************************************/
void usrp2_impl::mboard_init(void){
_mboards[""] = wax_obj_proxy(
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){
//init the pps source clock config
_pps_source_dict["sma"] = USRP2_PPS_SOURCE_SMA;
_pps_source_dict["mimo"] = USRP2_PPS_SOURCE_MIMO;
_pps_source = "sma";
//init the pps polarity clock config
_pps_polarity_dict["pos"] = USRP2_PPS_POLARITY_POS;
_pps_polarity_dict["neg"] = USRP2_PPS_POLARITY_NEG;
_pps_polarity = "neg";
//init the ref source clock config
_ref_source_dict["int"] = USRP2_REF_SOURCE_INT;
_ref_source_dict["sma"] = USRP2_REF_SOURCE_SMA;
_ref_source_dict["mimo"] = USRP2_REF_SOURCE_MIMO;
_ref_source = "int";
//update the clock config (sends a control packet)
update_clock_config();
}
void usrp2_impl::update_clock_config(void){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_HERES_A_NEW_CLOCK_CONFIG_BRO);
out_data.data.clock_config.pps_source = _pps_source_dict [_pps_source];
out_data.data.clock_config.pps_polarity = _pps_polarity_dict[_pps_polarity];
out_data.data.clock_config.ref_source = _ref_source_dict [_ref_source];
//send and recv
usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_GOT_THE_NEW_CLOCK_CONFIG_DUDE);
}
void usrp2_impl::set_time_spec(const time_spec_t &time_spec, bool now){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_GOT_A_NEW_TIME_FOR_YOU_BRO);
out_data.data.time_args.secs = htonl(time_spec.secs);
out_data.data.time_args.ticks = htonl(time_spec.ticks);
out_data.data.time_args.now = (now)? 1 : 0;
//send and recv
usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_SWEET_I_GOT_THAT_TIME_DUDE);
}
/***********************************************************************
* 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 get request conditioned on the key
switch(wax::cast<mboard_prop_t>(key)){
case MBOARD_PROP_NAME:
val = std::string("usrp2 mboard");
return;
case MBOARD_PROP_OTHERS:
val = prop_names_t(); //empty other props
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 = freq_t(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_PPS_SOURCE:
val = _pps_source;
return;
case MBOARD_PROP_PPS_SOURCE_NAMES:
val = prop_names_t(_pps_source_dict.get_keys());
return;
case MBOARD_PROP_PPS_POLARITY:
val = _pps_polarity;
return;
case MBOARD_PROP_REF_SOURCE:
val = _ref_source;
return;
case MBOARD_PROP_REF_SOURCE_NAMES:
val = prop_names_t(_ref_source_dict.get_keys());
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 get request conditioned on the key
switch(wax::cast<mboard_prop_t>(key)){
case MBOARD_PROP_PPS_SOURCE:{
std::string name = wax::cast<std::string>(val);
assert_has(_pps_source_dict.get_keys(), name, "usrp2 pps source");
_pps_source = name; //shadow
update_clock_config();
}
return;
case MBOARD_PROP_PPS_POLARITY:{
std::string name = wax::cast<std::string>(val);
assert_has(_pps_polarity_dict.get_keys(), name, "usrp2 pps polarity");
_pps_polarity = name; //shadow
update_clock_config();
}
return;
case MBOARD_PROP_REF_SOURCE:{
std::string name = wax::cast<std::string>(val);
assert_has(_ref_source_dict.get_keys(), name, "usrp2 reference source");
_ref_source = name; //shadow
update_clock_config();
}
return;
case MBOARD_PROP_TIME_NOW:{
set_time_spec(wax::cast<time_spec_t>(val), true);
return;
}
case MBOARD_PROP_TIME_NEXT_PPS:{
set_time_spec(wax::cast<time_spec_t>(val), 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:
case MBOARD_PROP_PPS_SOURCE_NAMES:
case MBOARD_PROP_REF_SOURCE_NAMES:
throw std::runtime_error("Error: trying to set read-only property on usrp2 mboard");
}
}
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