Wiringpi Serial Example

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Gordon's Arduino wiring-like WiringPi Library for the Raspberry Pi (Unofficial Mirror for WiringPi bindings) - WiringPi/WiringPi. Gordon's Arduino wiring-like WiringPi Library for the Raspberry Pi (Unofficial Mirror for WiringPi bindings) - WiringPi/WiringPi. Interstate italic font. serial.c:. Example program to read bytes from the Serial line. Example Program The following python program reads 10 characters from the serial port and sends back it. Import serial ser = serial.Serial ('/dev/ttyAMA0') #Open named port ser.baudrate = 9600 #Set baud rate to 9600 data = ser.read(10) #Read ten characters from serial port to data ser.write(data) #Send back the received data ser.close.

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Gordon HendersonSynced to git.drogon.net3fbc564Mar 24, 2013
0 contributors
/*
* serialTest.c:
* Very simple program to test the serial port. Expects
* the port to be looped back to itself
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* 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 <http://www.gnu.org/licenses/>.
***********************************************************************
*/
#include<stdio.h>
#include<string.h>
#include<errno.h>
#include<wiringPi.h>
#include<wiringSerial.h>
intmain ()
{
int fd ;
int count ;
unsignedint nextTime ;
if ((fd = serialOpen ('/dev/ttyAMA0', 115200)) < 0)
{
fprintf (stderr, 'Unable to open serial device: %sn', strerror (errno)) ;
return1 ;
}
if (wiringPiSetup () -1)
{
fprintf (stdout, 'Unable to start wiringPi: %sn', strerror (errno)) ;
return1 ;
}
nextTime = millis () + 300 ;
for (count = 0 ; count < 256 ; )
{
if (millis () > nextTime)
{
printf ('nOut: %3d: ', count) ;
fflush (stdout) ;
serialPutchar (fd, count) ;
nextTime += 300 ;
++count ;
}
delay (3) ;
while (serialDataAvail (fd))
{
printf (' -> %3d', serialGetchar (fd)) ;
fflush (stdout) ;
}
}
printf ('n') ;
return0 ;
}
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Raspberry Pi Wiringpi Serial Example

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Python Wiringpi

Gordon HendersonSynced to git.drogon.net3fbc564Mar 24, 2013

Wiringpi Serial Example For Kids

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/*
* serial.c:
* Example program to read bytes from the Serial line
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* 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 <http://www.gnu.org/licenses/>.
***********************************************************************
*/
#include<stdio.h>
#include<string.h>
#include<errno.h>
#include<wiringSerial.h>
intmain ()
{
int fd ;
if ((fd = serialOpen ('/dev/ttyAMA0', 115200)) < 0)
{
fprintf (stderr, 'Unable to open serial device: %sn', strerror (errno)) ;
return1 ;
}
// Loop, getting and printing characters
for (;;)
{
putchar (serialGetchar (fd)) ;
fflush (stdout) ;
}
}

Wiringpi Serial Example 1

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