49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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/*
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* serial.c:
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* Example program to read bytes from the Serial line
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*
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* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
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***********************************************************************
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* This file is part of wiringPi:
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* https://projects.drogon.net/raspberry-pi/wiringpi/
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*
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* wiringPi is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* wiringPi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
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***********************************************************************
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*/
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <wiringSerial.h>
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int main ()
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{
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int fd ;
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if ((fd = serialOpen ("/dev/ttyS2", 115200)) < 0)
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{
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fprintf (stderr, "Unable to open serial device: %s\n", strerror (errno)) ;
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return 1 ;
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}
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// Loop, getting and printing characters
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for (;;)
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{
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putchar (serialGetchar (fd)) ;
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fflush (stdout) ;
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}
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}
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