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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/>.
//
#ifndef INCLUDED_USRP2_IFACE_HPP
#define INCLUDED_USRP2_IFACE_HPP
#include <uhd/transport/udp_simple.hpp>
#include <uhd/usrp/dboard_interface.hpp> //spi config
#include <boost/shared_ptr.hpp>
#include <boost/utility.hpp>
#include <boost/cstdint.hpp>
#include "fw_common.h"
/*!
* The usrp2 interface class:
* Provides a set of functions to implementation layer.
* Including spi, peek, poke, control...
*/
class usrp2_iface : boost::noncopyable{
public:
typedef boost::shared_ptr<usrp2_iface> sptr;
/*!
* Make a new usrp2 interface with the control transport.
* \param ctrl_transport the udp transport object
* \return a new usrp2 interface object
*/
static sptr make(uhd::transport::udp_simple::sptr ctrl_transport);
/*!
* Perform a control transaction.
* \param data a control data struct
* \return the result control data
*/
virtual usrp2_ctrl_data_t ctrl_send_and_recv(const usrp2_ctrl_data_t &data) = 0;
/*!
* Write a register (32 bits)
* \param addr the address
* \param data the 32bit data
*/
virtual void poke32(boost::uint32_t addr, boost::uint32_t data) = 0;
/*!
* Read a register (32 bits)
* \param addr the address
* \return the 32bit data
*/
virtual boost::uint32_t peek32(boost::uint32_t addr) = 0;
/*!
* Write a register (16 bits)
* \param addr the address
* \param data the 16bit data
*/
virtual void poke16(boost::uint32_t addr, boost::uint16_t data) = 0;
/*!
* Read a register (16 bits)
* \param addr the address
* \return the 16bit data
*/
virtual boost::uint16_t peek16(boost::uint32_t addr) = 0;
/*!
* Perform an spi transaction.
* \param which_slave the slave device number
* \param config spi config args
* \param data the bits to write
* \param num_bits how many bits in data
* \param readback true to readback a value
* \return spi data if readback set
*/
virtual boost::uint32_t transact_spi(
int which_slave,
const uhd::usrp::spi_config_t &config,
boost::uint32_t data,
size_t num_bits,
bool readback
) = 0;
/*!
* Get the master clock frequency.
* \return the frequency in Hz
*/
virtual double get_master_clock_freq(void) = 0;
};
#endif /* INCLUDED_USRP2_IFACE_HPP */
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