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//
// Copyright 2010-2011 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 "usrp_e100_impl.hpp"
#include "usrp_e100_regs.hpp"
#include <uhd/exception.hpp>
#include <uhd/usrp/dsp_utils.hpp>
#include <uhd/usrp/misc_utils.hpp>
#include <uhd/usrp/mboard_props.hpp>
#include <boost/bind.hpp>
#include <iostream>
using namespace uhd;
using namespace uhd::usrp;
/***********************************************************************
* Mboard Initialization
**********************************************************************/
void usrp_e100_impl::mboard_init(void){
_mboard_proxy = wax_obj_proxy::make(
boost::bind(&usrp_e100_impl::mboard_get, this, _1, _2),
boost::bind(&usrp_e100_impl::mboard_set, this, _1, _2)
);
//init the clock config
_clock_config = clock_config_t::internal();
update_clock_config();
}
void usrp_e100_impl::update_clock_config(void){
boost::uint32_t pps_flags = 0;
//translate pps polarity enums
switch(_clock_config.pps_polarity){
case clock_config_t::PPS_POS: pps_flags |= UE_FLAG_TIME64_PPS_POSEDGE; break;
case clock_config_t::PPS_NEG: pps_flags |= UE_FLAG_TIME64_PPS_NEGEDGE; break;
default: throw uhd::value_error("unhandled clock configuration pps polarity");
}
//set the pps flags
_iface->poke32(UE_REG_TIME64_FLAGS, pps_flags);
//clock source ref 10mhz
switch(_clock_config.ref_source){
case clock_config_t::REF_AUTO: _clock_ctrl->use_auto_ref(); break;
case clock_config_t::REF_INT: _clock_ctrl->use_internal_ref(); break;
case clock_config_t::REF_SMA: _clock_ctrl->use_auto_ref(); break;
default: throw uhd::value_error("unhandled clock configuration ref source");
}
}
/***********************************************************************
* Mboard Get
**********************************************************************/
void usrp_e100_impl::mboard_get(const wax::obj &key_, wax::obj &val){
named_prop_t key = named_prop_t::extract(key_);
//handle the get request conditioned on the key
switch(key.as<mboard_prop_t>()){
case MBOARD_PROP_NAME:
val = std::string("usrp-e mboard");
return;
case MBOARD_PROP_OTHERS:
val = prop_names_t();
return;
case MBOARD_PROP_RX_DBOARD:
UHD_ASSERT_THROW(key.name == "");
val = _rx_dboard_proxy->get_link();
return;
case MBOARD_PROP_RX_DBOARD_NAMES:
val = prop_names_t(1, ""); //vector of size 1 with empty string
return;
case MBOARD_PROP_TX_DBOARD:
UHD_ASSERT_THROW(key.name == "");
val = _tx_dboard_proxy->get_link();
return;
case MBOARD_PROP_TX_DBOARD_NAMES:
val = prop_names_t(1, ""); //vector of size 1 with empty string
return;
case MBOARD_PROP_RX_DSP:
UHD_ASSERT_THROW(key.name == "");
val = _rx_ddc_proxy->get_link();
return;
case MBOARD_PROP_RX_DSP_NAMES:
val = prop_names_t(1, "");
return;
case MBOARD_PROP_TX_DSP:
UHD_ASSERT_THROW(key.name == "");
val = _tx_duc_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;
case MBOARD_PROP_RX_SUBDEV_SPEC:
val = _rx_subdev_spec;
return;
case MBOARD_PROP_TX_SUBDEV_SPEC:
val = _tx_subdev_spec;
return;
case MBOARD_PROP_EEPROM_MAP:
val = _iface->mb_eeprom;
return;
case MBOARD_PROP_TIME_NOW: while(true){
uint32_t secs = _iface->peek32(UE_REG_RB_TIME_NOW_SECS);
uint32_t ticks = _iface->peek32(UE_REG_RB_TIME_NOW_TICKS);
if (secs != _iface->peek32(UE_REG_RB_TIME_NOW_SECS)) continue;
val = time_spec_t(secs, ticks, _clock_ctrl->get_fpga_clock_rate());
return;
}
case MBOARD_PROP_TIME_PPS: while(true){
uint32_t secs = _iface->peek32(UE_REG_RB_TIME_PPS_SECS);
uint32_t ticks = _iface->peek32(UE_REG_RB_TIME_PPS_TICKS);
if (secs != _iface->peek32(UE_REG_RB_TIME_PPS_SECS)) continue;
val = time_spec_t(secs, ticks, _clock_ctrl->get_fpga_clock_rate());
return;
}
case MBOARD_PROP_CLOCK_RATE:
val = _clock_ctrl->get_fpga_clock_rate();
return;
default: UHD_THROW_PROP_GET_ERROR();
}
}
/***********************************************************************
* Mboard Set
**********************************************************************/
void usrp_e100_impl::mboard_set(const wax::obj &key, const wax::obj &val){
//handle the get request conditioned on the key
switch(key.as<mboard_prop_t>()){
case MBOARD_PROP_TIME_NOW:
case MBOARD_PROP_TIME_PPS:{
time_spec_t time_spec = val.as<time_spec_t>();
_iface->poke32(UE_REG_TIME64_TICKS, time_spec.get_tick_count(_clock_ctrl->get_fpga_clock_rate()));
boost::uint32_t imm_flags = (key.as<mboard_prop_t>() == MBOARD_PROP_TIME_NOW)? 1 : 0;
_iface->poke32(UE_REG_TIME64_IMM, imm_flags);
_iface->poke32(UE_REG_TIME64_SECS, time_spec.get_full_secs());
}
return;
case MBOARD_PROP_RX_SUBDEV_SPEC:
_rx_subdev_spec = val.as<subdev_spec_t>();
verify_rx_subdev_spec(_rx_subdev_spec, _mboard_proxy->get_link());
//sanity check
UHD_ASSERT_THROW(_rx_subdev_spec.size() == 1);
//set the mux
_iface->poke32(UE_REG_DSP_RX_MUX, dsp_type1::calc_rx_mux_word(
_dboard_manager->get_rx_subdev(_rx_subdev_spec.front().sd_name)[SUBDEV_PROP_CONNECTION].as<subdev_conn_t>()
));
return;
case MBOARD_PROP_TX_SUBDEV_SPEC:
_tx_subdev_spec = val.as<subdev_spec_t>();
verify_tx_subdev_spec(_tx_subdev_spec, _mboard_proxy->get_link());
//sanity check
UHD_ASSERT_THROW(_tx_subdev_spec.size() == 1);
//set the mux
_iface->poke32(UE_REG_DSP_TX_MUX, dsp_type1::calc_tx_mux_word(
_dboard_manager->get_tx_subdev(_tx_subdev_spec.front().sd_name)[SUBDEV_PROP_CONNECTION].as<subdev_conn_t>()
));
return;
case MBOARD_PROP_EEPROM_MAP:
// Step1: commit the map, writing only those values set.
// Step2: readback the entire eeprom map into the iface.
val.as<mboard_eeprom_t>().commit(_iface->get_i2c_dev_iface(), mboard_eeprom_t::MAP_E100);
_iface->mb_eeprom = mboard_eeprom_t(_iface->get_i2c_dev_iface(), mboard_eeprom_t::MAP_E100);
return;
case MBOARD_PROP_CLOCK_CONFIG:
_clock_config = val.as<clock_config_t>();
update_clock_config();
return;
case MBOARD_PROP_CLOCK_RATE:
std::cerr << "Helpful message:" << std::endl;
std::cerr << " I see that you are setting the master clock rate from the API." << std::endl;
std::cerr << " You may find it more convenient to burn this setting into the EEPROM." << std::endl;
std::cerr << " See the application notes for USRP-E1XX for further instructions." << std::endl;
_clock_ctrl->set_fpga_clock_rate(val.as<double>());
return;
default: UHD_THROW_PROP_SET_ERROR();
}
}
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