Please do!
Alex

From: Ake Hedman <akhe@eurosource.se>
Reply-To: "Microcontroller discussion list - Public."=20
<piclist@mit.edu>
To: "Microcontroller discussion list - Public."=20
<piclist@mit.edu>
Subject: Re: [OT]: C++/Serial port read/write??
Date: Sun, 27 Feb 2005 20:03:57 +0100

Hi,
I have a class I usually use for serial communication on Windows/Linux. I=
=20
can send it of list to you if you want it.

Regards
/Ake


Ale[x] Garbino wrote:

>I'm done with all the PIC side of code, which I tought would be the
>hard part to learn. Until I tried reading the serial port!
>
>I assumed a simple:
>ofstream serial ("/dev/ttyS1", ios::out | ios::app);
>if ( !serial.is_open() ) {
>  cout << "Can't open serial port" << endl;
>  return 0;
>  }
>serial << "Hello";
>
>Would do the trick, but although echo & cat works fine from the
>command line, the serial port doesn't react the same.
>
>I'm trying to write a bit of code that reads a byte stream and
>through appropriate bitwise manipulation, gets the relevant
>information I need. I also wanted to write a simulator that writes
>properly-formatted bytes to the other serial port, so with the use
>of a null-modem cable I could make sure my program was working fine.
>
>Does anyone have some simple way to read/write the serial port??
>
>-Alex
>
>
>
>More details:
>I'm running 2.6.x, on a Gentoo linux box, with the latest glibc, and
>using gcc to compile.
>
>I've been looking all over the place, and nowhere does it seem
>anyone has a decent way to interact with the serial port.
>There is the
>http://www.linuxdocs.org/HOWTOs/Serial-Programming-HOWTO/
>which has about a page of complicated code to do something that
>should be simple (after all, the setserial command/serial kernel
>driver already does all the baud/parity stuff!!).
>
>http://cpp.snippets.org/browser.php
>Makes a separate class...
>
>
>http://groups-beta.google.com/group/comp.lang.c++.moderated/browse_th=
read/thread/adb3fc9386015236/fbacf9c056983538?q=3Dserial&_done=3D%2Fg=
roup%2Fcomp.lang.c%2B%2B.moderated%2Fsearch%3Fq%3Dserial%26start%3D10%26&=
amp;_doneTitle=3DBack+to+Search&&d#fbacf9c056983538
>
>reads to a stream buffer, but doesn't work when I run it...
>
>There is also this:
>http://www.erlenstar.demon.co.uk/unix/faq_4.html#SEC49
>
>And I also found something with outb similar to :
>
>#include <stdio.h>
>#include <unistd.h> /* needed for ioperm() */
>#include <sys/io.h> /* for outb() and inb(), from another site =
*/
>//   #include <asm/io.h> /* for outb() and inb() */
>
>   int main(void)
>   {
>   if (iopl(3)) {
>        printf("Sorry, you were not able to gain access to the
>ports\n");
>        printf("You must be root to run this program\n");
>        return 0;
>        }
>   outb(34324,0x03f8); /* Sends 0011 0010 to the Data Port */
>   return 0;
>   }
>
>


--
---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergav=E4gen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe:=20
http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org


--
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist


--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist