termios to set the serial port
时间：2010-08-20 来源：tryandy
struct termios ios;
tcgetattr( fd, &ios );
ios.c_lflag = 0; /* disable ECHO, ICANON, etc... */
ios.c_iflag &= ~(INLCR|IGNCR|ICRNL|IXON);
ios.c_oflag &= ~(ONLCR|OCRNL);
tcsetattr( fd, TCSANOW, &ios );
tcgetattr( fd, &ios );
ios.c_lflag = 0; /* disable ECHO, ICANON, etc... */
ios.c_iflag &= ~(INLCR|IGNCR|ICRNL|IXON);
ios.c_oflag &= ~(ONLCR|OCRNL);
tcsetattr( fd, TCSANOW, &ios );
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