Marco van de Voort schrieb:
In our previous episode, Hans-Peter Suter said:
Is Emacs a good choice? Does it work well with FPC?
Maybe, but what would you use as editor? :_)
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fpc-pascal maillist - fpc-pascal@lists.freepascal.org
Anthony Walter schrieb:
This first time concerning the topic const records passed
incorrectly you said, It is nowhere written in the Delphi specs that
const parameters are passed by reference. It is often so, but is by no
means guaranteed
I checked this out. Both Turbo Pascal and fpc
Jonas Maebe schrieb:
On 19 Nov 2009, at 14:30, Holger Bruns wrote:
Since iopl is still not available to fpc in its 64-bit-version, I
should move to c for future port programming.
$ man iopl
...
This call is mostly for the i386 architecture. On many other
architec-
tures
Brad Campbell schrieb:
Holger Bruns wrote:
Hi,
one more question regarding the unit serial. I use the following
function to get one single byte form a serial port, which has been
open before with seropen:
function getdata(inhandle: tserialhandle; var recdata: char): longint;
begin
fillchar
Gustavo Enrique Jimenez schrieb:
Thank you for your answer. I played with different baud rates. The sender
delivers a stream of bytes. The faster a transmission rate is, the less
amount of data can be received. This leds me to two conclusions: At first,
there must be a queue for incoming data
Hi,
I am currently running the fpc in version 2.2.2-8, and I have some
problems to get iopl and fpiopl working. It seems, the units oldlinux
and x86 are not available to this version. How can I solve this problem?
Cheers, Holger
___
fpc-pascal
Hi,
one more question regarding the unit serial. I use the following
function to get one single byte form a serial port, which has been open
before with seropen:
function getdata(inhandle: tserialhandle; var recdata: char): longint;
begin
fillchar(inbuffer, sizeof(inbuffer), #0);
getdata :=
Michael Van Canneyt schrieb:
In reality it's always the FPC team that is f*d when an
incompatibility arises.
I refuse to use Borland again. I have their Delphi and the manuals as
well on my cupboard, but since I saw Lazarus und fpc the first time, I
decided to move on.
Holger
Hi,
while writing some Pascal code, I am still looking for a debugger, which
works like the turbo debugger, in a similar way. I would love it to get
a clue.
Best regards, Holger
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fpc-pascal maillist - fpc-pascal@lists.freepascal.org
Gustavo Enrique Jimenez schrieb:
Accessing serial ports in linux could be as simple as to write/read
to/from /dev/ttySx . You don't need io ports. For a multiplatform
solution, use synapsis/synaser.
Sometimes it is useful to get more information about device drivers.
Searching the internet
Paul Breneman schrieb:
Here is a very simple serial example using FPC and SynaSer:
http://www.turbocontrol.com/simpleserial.htm
Hope that is of some help.
Thank you. I have already solved the problem to access serial ports, but
I am rather clueless while dealing with device drivers like
Jeff Wormsley schrieb:
If you really need to go that route, with full access to 100% of the
UART, perhaps this book would help (chapter 6 is on serial device
drivers).
*http://tinyurl.com/yjk4c9j*
I'll follow your link.
Just know that you will have to do that part of your application
Vinzent Höfler schrieb:
I doubt it. You sure sound write-only...
I am aware, that I raise problably anger while asking on mailing lists
for information, because every question can be interpreted as an insult.
I do not post for interpersonal relationships, but for answers to
technical
Jonas Maebe schrieb:
And regarding your later remark about FPC only being usable as root:
it's the Linux kernel that only allows direct port access by root.
Please stop blaming every single one of your problems on the compiler
or the RTL.
Under the bottom line, the result is just the same.
Jonas Maebe schrieb:
Holger Bruns wrote on Mon, 02 Nov 2009:
Martin schrieb:
you can do:
var buffer: Array of byte;
SetLength(Buffer, 1000);
SerRead(Handle, Buffer[0], 1000);
I checked this out. It works not reliable. Sometimes I get real data,
sometimes the data are corrupted. I have
Felipe Monteiro de Carvalho schrieb:
It may be useful to know that there is a serial communication example
using Synaser here:
http://wiki.lazarus.freepascal.org/Hardware_Access#Serial_Communication
Yes, thank you. I checked this out. The procedure reccvbyte, as used in
this manner:
Holger Bruns schrieb:
I try to implement a direct port access. If this also leads to access
errors, I should give it up. Embarassing.
Accessing ports is limited to ports 03ffh, more ports cannot be
released with fpioperm. This means to me, successful serial port access
on higher addresses
Florian Klaempfl schrieb:
Holger Bruns schrieb:
Holger Bruns schrieb:
I try to implement a direct port access. If this also leads to access
errors, I should give it up. Embarassing.
Accessing ports is limited to ports 03ffh, more ports cannot be
released with fpioperm
Bernd Mueller schrieb:
Holger Bruns wrote:
Holger Bruns schrieb:
I try to implement a direct port access. If this also leads to
access errors, I should give it up. Embarassing.
Accessing ports is limited to ports 03ffh, more ports cannot be
released with fpioperm. This means to me
Hi,
I decided to use iopl and portread to address my idea on accessing ports
on addresses above 0x3ff. Sadly, these units are not compiled yet, but
the sourcecode is available. I still have no luck at all.
Pointing fpc to x86.pp leads to an error message. The compiler misses an
include
Hi,
I decided to copy all the necessary files for x86.pp and oldlinux.pp
into one directory for compiling these two units. This compilation
failed due to syntax errors. A bunch of warnings also appeared. I post
only the syntax error messages:
oldlinux.pp(1696,2) Error: User defined: Cannot
Marc Santhoff schrieb:
sDefaultPort: string = '/dev/cuaa0'; { this would be /dev/ttyS2 for you }
fPort = sDefaultPort;
{ Init }
fCom := SerOpen(fPort);
if (fCom -1) then begin
SerSetParams(fCom, 1200, 7, NoneParity, 2, []);
end else begin
writeln('Metex: failed to open port');
n :=
Jonas Maebe schrieb:
Holger Bruns wrote on Tue, 03 Nov 2009:
I decided to copy all the necessary files for x86.pp and oldlinux.pp
into one directory for compiling these two units. This compilation
failed due to syntax errors. A bunch of warnings also appeared. I
post only the syntax error
Brad Campbell schrieb:
Why not try attaching your test code that is failing so we can help
you get it working?
Done. My fault was the following declaration:
var inbuffer: array of char;
This is a better declaration:
var inbuffer: array[0..10] of char;
Now I got my code working. Hidden
Hello,
I am new to this list. For programming the serial ports on a linux
system, I tried to use the serial unit. i don't understand the
declaration for buffer in the function below, because no type is
declared for buffer. How can I read a character from the selected
serial port? This is the
Jürgen Hestermann schrieb:
function SerRead(Handle: TSerialHandle; var Buffer; Count: LongInt):
LongInt;
begin
Result := fpRead(Handle, Buffer, Count);
end;
i don't understand the declaration for buffer in the function
below, because no type is declared for buffer.
I believe that
Martin schrieb:
Holger Bruns wrote:
Jürgen Hestermann schrieb:
function SerRead(Handle: TSerialHandle; var Buffer; Count:
LongInt): LongInt;
begin
Result := fpRead(Handle, Buffer, Count);
end;
i don't understand the declaration for buffer in the function
below, because no type
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