usb_comm.h

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#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string>
#include <libusb-1.0/libusb.h>

#define ACM_CTRL_DTR   0x01
#define ACM_CTRL_RTS   0x02

namespace milvus
{
        class UsbComm
        {
                public:
                UsbComm();
                ~UsbComm();

                int open_device(uint16_t vendor_id, uint16_t product_id, int ep_in_addr, int ep_out_addr);
                int close_device();
                int read_bytes(unsigned char *, int);
                int write_bytes(unsigned char *, int);
                
                private:
                void print_array(uint8_t *buf, int length);
                
                struct libusb_device_handle *devh;
                int ep_in_addr_;
                int ep_out_addr_;
                int baud_;
                std::string port_name_;
        int error;
        };

}