LibSerial 1.0.0
LibSerial provides a convenient, object oriented approach to accessing serial ports on POSIX systems.
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serial_stream_read.cpp
#include <libserial/SerialStream.h>
#include <cstdlib>
#include <iostream>
#include <unistd.h>
constexpr const char* const SERIAL_PORT_1 = "/dev/ttyUSB0" ;
int main()
{
using namespace LibSerial ;
// Instantiate a SerialStream object.
SerialStream serial_stream ;
try
{
// Open the Serial Port at the desired hardware port.
serial_stream.Open(SERIAL_PORT_1) ;
}
catch (const OpenFailed&)
{
std::cerr << "The serial port did not open correctly." << std::endl ;
return EXIT_FAILURE ;
}
// Set the baud rate of the serial port.
serial_stream.SetBaudRate(BaudRate::BAUD_115200) ;
// Set the number of data bits.
serial_stream.SetCharacterSize(CharacterSize::CHAR_SIZE_8) ;
// Turn off hardware flow control.
serial_stream.SetFlowControl(FlowControl::FLOW_CONTROL_NONE) ;
// Disable parity.
serial_stream.SetParity(Parity::PARITY_NONE) ;
// Set the number of stop bits.
serial_stream.SetStopBits(StopBits::STOP_BITS_1) ;
// Wait for data to be available at the serial port.
while(serial_stream.rdbuf()->in_avail() == 0)
{
usleep(1000) ;
}
// Keep reading data from serial port and print it to the screen.
while(serial_stream.IsDataAvailable())
{
// Variable to store data coming from the serial port.
char data_byte ;
// Read a single byte of data from the serial port.
serial_stream.get(data_byte) ;
// Show the user what is being read from the serial port.
std::cout << data_byte ;
// Wait a brief period for more data to arrive.
usleep(1000) ;
}
// Successful program completion.
std::cout << "Done." << std::endl ;
return EXIT_SUCCESS ;
}
Exception error thrown when the serial port could not be opened.
SerialStream is a stream class for accessing serial ports on POSIX operating systems....
void SetCharacterSize(const CharacterSize &characterSize)
Sets the character size for the serial port.
void SetBaudRate(const BaudRate &baudRate)
Sets the baud rate for the serial port to the specified value.
bool IsDataAvailable()
Checks if data is available at the input of the serial port.
void SetFlowControl(const FlowControl &flowControlType)
Sets flow control for the serial port.
void SetStopBits(const StopBits &stopBits)
Sets the number of stop bits to be used with the serial port.
void Open(const std::string &fileName, const std::ios_base::openmode &openMode=std::ios_base::in|std::ios_base::out, bool exclusive=true)
Opens the serial port associated with the specified file name and the specified mode.
void SetParity(const Parity &parityType)
Sets the parity type for the serial port.