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//
// Copyright 2014 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 "e300_sensor_manager.hpp"
#include <boost/thread.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/format.hpp>
#include <cstring>
#include <uhd/exception.hpp>
#include <uhd/utils/byteswap.hpp>
namespace uhd { namespace usrp { namespace e300 {
class e300_sensor_proxy : public e300_sensor_manager
{
public:
e300_sensor_proxy(
uhd::transport::zero_copy_if::sptr xport) : _xport(xport)
{
}
std::vector<std::string> get_sensors()
{
return boost::assign::list_of("temp")("ref_locked");
}
uhd::sensor_value_t get_sensor(const std::string &key)
{
if (key == "temp")
return get_mb_temp();
else if (key == "ref_locked")
return get_ref_lock();
else
throw uhd::lookup_error(
str(boost::format("Invalid sensor %s requested.") % key));
}
uhd::sensor_value_t get_mb_temp(void)
{
boost::mutex::scoped_lock(_mutex);
sensor_transaction_t transaction;
transaction.which = uhd::htonx<uint32_t>(ZYNQ_TEMP);
{
uhd::transport::managed_send_buffer::sptr buff
= _xport->get_send_buff(1.0);
if (not buff or buff->size() < sizeof(transaction)) {
throw uhd::runtime_error("sensor proxy send timeout");
}
std::memcpy(
buff->cast<void *>(),
&transaction,
sizeof(transaction));
buff->commit(sizeof(transaction));
}
{
uhd::transport::managed_recv_buffer::sptr buff
= _xport->get_recv_buff(1.0);
if (not buff or buff->size() < sizeof(transaction))
throw uhd::runtime_error("sensor proxy recv timeout");
std::memcpy(
&transaction,
buff->cast<const void *>(),
sizeof(transaction));
}
UHD_ASSERT_THROW(uhd::ntohx<uint32_t>(transaction.which) == ZYNQ_TEMP);
// TODO: Use proper serialization here ...
return sensor_value_t(
"temp",
e300_sensor_manager::unpack_float_from_uint32_t(
uhd::ntohx(transaction.value)),
"C");
}
uhd::sensor_value_t get_ref_lock(void)
{
boost::mutex::scoped_lock(_mutex);
sensor_transaction_t transaction;
transaction.which = uhd::htonx<uint32_t>(REF_LOCK);
{
uhd::transport::managed_send_buffer::sptr buff
= _xport->get_send_buff(1.0);
if (not buff or buff->size() < sizeof(transaction)) {
throw uhd::runtime_error("sensor proxy send timeout");
}
std::memcpy(
buff->cast<void *>(),
&transaction,
sizeof(transaction));
buff->commit(sizeof(transaction));
}
{
uhd::transport::managed_recv_buffer::sptr buff
= _xport->get_recv_buff(1.0);
if (not buff or buff->size() < sizeof(transaction))
throw uhd::runtime_error("sensor proxy recv timeout");
std::memcpy(
&transaction,
buff->cast<const void *>(),
sizeof(transaction));
}
UHD_ASSERT_THROW(uhd::ntohx<uint32_t>(transaction.which) == REF_LOCK);
// TODO: Use proper serialization here ...
return sensor_value_t("Ref", (uhd::ntohx(transaction.value) > 0), "locked", "unlocked");
}
private:
uhd::transport::zero_copy_if::sptr _xport;
boost::mutex _mutex;
};
}}} // namespace
using namespace uhd::usrp::e300;
e300_sensor_manager::sptr e300_sensor_manager::make_proxy(
uhd::transport::zero_copy_if::sptr xport)
{
return sptr(new e300_sensor_proxy(xport));
}
#ifdef E300_NATIVE
#include "e300_fifo_config.hpp"
namespace uhd { namespace usrp { namespace e300 {
static const std::string E300_TEMP_SYSFS = "iio:device0";
class e300_sensor_local : public e300_sensor_manager
{
public:
e300_sensor_local(global_regs::sptr global_regs) :
_global_regs(global_regs)
{
}
std::vector<std::string> get_sensors()
{
return boost::assign::list_of("temp")("ref_locked");
}
uhd::sensor_value_t get_sensor(const std::string &key)
{
if (key == "temp")
return get_mb_temp();
else if (key == "ref_locked")
return get_ref_lock();
else
throw uhd::lookup_error(
str(boost::format("Invalid sensor %s requested.") % key));
}
uhd::sensor_value_t get_mb_temp(void)
{
double scale = boost::lexical_cast<double>(
e300_get_sysfs_attr(E300_TEMP_SYSFS, "in_temp0_scale"));
unsigned long raw = boost::lexical_cast<unsigned long>(
e300_get_sysfs_attr(E300_TEMP_SYSFS, "in_temp0_raw"));
unsigned long offset = boost::lexical_cast<unsigned long>(
e300_get_sysfs_attr(E300_TEMP_SYSFS, "in_temp0_offset"));
return sensor_value_t("temp", (raw + offset) * scale / 1000, "C");
}
uhd::sensor_value_t get_ref_lock(void)
{
//PPSLOOP_LOCKED_MASK is asserted in the following cases:
//- (Time source = GPS or External) AND (Loop is locked and is in fine adj mode)
//- Time source is Internal
static const uint32_t PPSLOOP_LOCKED_MASK = 0x04;
static const uint32_t REFPLL_LOCKED_MASK = 0x20;
const uint32_t status =
_global_regs->peek32(global_regs::RB32_CORE_MISC);
bool ref_locked = (status & PPSLOOP_LOCKED_MASK) && (status & REFPLL_LOCKED_MASK);
return sensor_value_t("Ref", ref_locked, "locked", "unlocked");
}
private:
global_regs::sptr _global_regs;
};
}}}
using namespace uhd::usrp::e300;
e300_sensor_manager::sptr e300_sensor_manager::make_local(
global_regs::sptr global_regs)
{
return sptr(new e300_sensor_local(global_regs));
}
#else
using namespace uhd::usrp::e300;
e300_sensor_manager::sptr e300_sensor_manager::make_local(
global_regs::sptr)
{
throw uhd::assertion_error("e300_sensor_manager::make_local() !E300_NATIVE");
}
#endif
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