1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
|
/**
* @example example_project.cpp
*/
#include <libserial/SerialPort.h>
#include <libserial/SerialStream.h>
#include <iostream>
int main()
{
using LibSerial::SerialPort ;
using LibSerial::SerialStream ;
// You can instantiate a Serial Port or a Serial Stream object, whichever you'd prefer to work with.
// For this example, we will demonstrate by using both types of objects.
SerialPort serial_port ;
SerialStream serial_stream ;
// Open hardware serial ports using the Open() method.
serial_port.Open( "/dev/ttyUSB0" ) ;
serial_stream.Open( "/dev/ttyUSB1" ) ;
// Set the baud rates.
using LibSerial::BaudRate ;
serial_port.SetBaudRate( BaudRate::BAUD_115200 ) ;
serial_stream.SetBaudRate( BaudRate::BAUD_115200 ) ;
// Create a few variables with data we can send.
char write_byte_1 = 'a' ;
char write_byte_2 = 'b' ;
char read_byte_1 = 'A' ;
char read_byte_2 = 'B' ;
// Read a byte to the serial port using SerialPort Write() methods.
serial_port.WriteByte(write_byte_1) ;
// With SerialStream objects you can read/write to the port using iostream operators.
serial_stream << write_byte_2 ;
// Specify a timeout value (in milliseconds).
size_t timeout_milliseconds = 25 ;
using LibSerial::ReadTimeout ;
try
{
// Read a byte from the serial port using SerialPort Read() methods.
serial_port.ReadByte(read_byte_1, timeout_milliseconds) ;
// With SerialStream objects you can read/write to the port using iostream operators.
serial_stream >> read_byte_2 ;
}
catch (const ReadTimeout&)
{
std::cerr << "The Read() call has timed out." << std::endl ;
}
std::cout << "serial_port read: " << read_byte_1 << std::endl ;
std::cout << "serial_stream read: " << read_byte_2 << std::endl ;
// Close the Serial Port and Serial Stream.
serial_port.Close() ;
serial_stream.Close() ;
}
|