serial.hpp

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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/>.
//

#ifndef INCLUDED_UHD_TYPES_SERIAL_HPP
#define INCLUDED_UHD_TYPES_SERIAL_HPP

#include <uhd/config.hpp>
#include <boost/cstdint.hpp>
#include <vector>

namespace uhd{

    typedef std::vector<boost::uint8_t> byte_vector_t;

    class UHD_API i2c_iface{
    public:
        virtual void write_i2c(
            boost::uint8_t addr,
            const byte_vector_t &buf
        ) = 0;

        virtual byte_vector_t read_i2c(
            boost::uint8_t addr,
            size_t num_bytes
        ) = 0;

        virtual void write_eeprom(
            boost::uint8_t addr,
            boost::uint8_t offset,
            const byte_vector_t &buf
        );

        virtual byte_vector_t read_eeprom(
            boost::uint8_t addr,
            boost::uint8_t offset,
            size_t num_bytes
        );
    };

    struct UHD_API spi_config_t{
        enum edge_t{
            EDGE_RISE = 'r',
            EDGE_FALL = 'f'
        };

        edge_t mosi_edge;

        edge_t miso_edge;

        spi_config_t(edge_t edge = EDGE_RISE);
    };
    
    class UHD_API spi_iface{
    public:
        virtual boost::uint32_t transact_spi(
            int which_slave,
            const spi_config_t &config,
            boost::uint32_t data,
            size_t num_bits,
            bool readback
        ) = 0;
        
        virtual boost::uint32_t read_spi(
            int which_slave,
            const spi_config_t &config,
            boost::uint32_t data,
            size_t num_bits
        );
        
        virtual void write_spi(
            int which_slave,
            const spi_config_t &config,
            boost::uint32_t data,
            size_t num_bits
        );
    };

} //namespace uhd

#endif /* INCLUDED_UHD_TYPES_SERIAL_HPP */