Code: Select all
struct termios options;
tcgetattr(serial_fd, &options);
cfsetispeed(&options, B115200);
cfsetospeed(&options, B115200);
options.c_cflag |= (CLOCAL | CREAD);
options.c_cflag &= ~CSIZE;
options.c_cflag |= CS8;
options.c_cflag &= ~PARENB;
options.c_cflag &= ~CSTOPB;
options.c_cflag &= ~CRTSCTS;
tcsetattr(serial_fd, TCSANOW, &options);
Code: Select all
ret = select( m_serial_fd+1,&fdRead,NULL,NULL,&aTime );
if (ret == -1) {
perror("select 失败");
close(m_serial_fd);
return 1;
} else if (ret) {
if (FD_ISSET(m_serial_fd, &fdRead)) {
char buf[256];
int bytes_read = read(m_serial_fd, buf, sizeof(buf) - 1);
if (bytes_read > 0) {
buf[bytes_read] = '\0';
printf("get Data: %s\n", buf);
}
}
}