/home/travis/build/lis-epfl/MAVRIC_Library/hal/linux/serial_udp.hpp

/*******************************************************************************
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/*******************************************************************************
 * \file    serial_udp.hpp
 *
 * \author  MAV'RIC Team
 *
 * \brief   Linux implementation of serial peripherals using UDP
 *
 ******************************************************************************/

#ifndef SERIAL_UDP_HPP_
#define SERIAL_UDP_HPP_

#include "hal/common/serial.hpp"
#include "util/buffer.hpp"

extern "C"
{
#include <cstdint>
#include <sys/socket.h>
#include <arpa/inet.h>
}

typedef struct
{
    const char* target_ip;
    int32_t     target_port;
    int32_t     local_port;
} serial_udp_conf_t;


static inline serial_udp_conf_t serial_udp_default_config();


class Serial_udp: public Serial
{
public:
    Serial_udp(serial_udp_conf_t config = serial_udp_default_config());


    bool init(void);


    uint32_t readable(void);


    uint32_t writeable(void);


    void flush(void);


    bool attach(serial_interrupt_callback_t func);


    bool write(const uint8_t* bytes, const uint32_t size = 1);


    bool read(uint8_t* bytes, const uint32_t size = 1);


private:
    serial_udp_conf_t   config_;

    Buffer_T<1024>    tx_buffer_;
    Buffer              rx_buffer_;

    int                 socket_;
    struct sockaddr_in  target_addr_;
    struct sockaddr_in  local_addr_;
};


static inline serial_udp_conf_t serial_udp_default_config()
{
    serial_udp_conf_t   conf;

    conf.target_ip      = "127.0.0.1";
    conf.target_port    = 14550;
    conf.local_port     = 14000;

    return conf;
}


#endif /* SERIAL_UDP_HPP_ */