/* * serial.c: * Example program to read bytes from the Serial line * * Copyright (c) 2012-2013 Gordon Henderson. *********************************************************************** * This file is part of wiringPi: * https://projects.drogon.net/raspberry-pi/wiringpi/ * * wiringPi is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * wiringPi is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with wiringPi. If not, see . *********************************************************************** */ #include #include #include #include int main () { int fd ; if ((fd = serialOpen ("/dev/ttyAMA0", 115200)) < 0) { fprintf (stderr, "Unable to open serial device: %s\n", strerror (errno)) ; return 1 ; } // Loop, getting and printing characters for (;;) { putchar (serialGetchar (fd)) ; fflush (stdout) ; } }