Hi,
FWIW,
I'm using MQTT via cmd-line. I.e. I call
ExecuteProcess(MQTTExec,MQTTStrArr);
while MQTTExec is /usr/bin/mosquitto_pub
That's on a linux-server.
Op 20/10/2022 om 15:57 schreef Bo Berglund via fpc-pascal:
On Thu, 20 Oct 2022 11:11:17 +0200, Bo Berglund via fpc-pascal
wrote:
On Tu
FWIW,
That array did the trick. Thanks again.
But I'll study the wrapper in the near future.
Op 25/08/2020 om 18:18 schreef Koenraad Lelong via fpc-pascal:
Hi,
Thanks for the suggestion I will try that array.
Why I did it like that : I thought it an easy and fast way to enhance my
proje
Hi,
Thanks for the reply, I did know of that project. The thing is, at the
moment I don't know how to implement that in my project. I'm still
studying this.
Op 25/08/2020 om 15:55 schreef Luca Olivetti via fpc-pascal:
Not what you're asking, but did you try to send the messages yourself
in
Hi,
Thanks for the suggestion I will try that array.
Why I did it like that : I thought it an easy and fast way to enhance my
project. I added the same value to rrd, the same way, i.e. a
ExecuteProcess with a bunch of parameters. There it works, but no double
quotes needed.
LAter I will try
Hi,
I'm extending an old daemon so it writes the data to MQTT, using
mosquitto_pub.
To have a correct message (-m ...) I need to include double-quotes. But
it seems ExecuteProcess(exec,cmdline) splits the cmdline according some
rules if it's a single string.
When I tried to do it in a single s
Op 29-06-17 om 10:25 schreef Bo Berglund:
On Sun, 18 Jun 2017 20:36:11 +0200, Koenraad Lelong
wrote:
Do you know the SDPO-package ? That has a serial component (SDPOSerial).
This has a OnRxData event.
Do you mean SDPO or 5DPO (letter S or number 5 at the start)?
I googled for SDPO but the
Op 18-06-17 om 18:16 schreef Bo Berglund:
Hi,
Do you know the SDPO-package ? That has a serial component (SDPOSerial).
This has a OnRxData event.
Just a thought. I used it in the past without problems.
HTH
Koenraad.
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Op 28-07-16 om 21:53 schreef Bo Berglund:
On Thu, 28 Jul 2016 09:12:53 +0200, Koenraad Lelong
wrote:
I'll ammend the application so users should input the address and port
on the form, and give a warning to remove any IO from the pi.
Thanks,
I received the updated project wit
Op 28-07-16 om 10:38 schreef Christo:
The in_addr IP address type is a packed record of byte, so if an IP
address part larger than 255 is encountered in a string it will be
truncated when copied to the byte record using StrToHostAddr. This
probably means you have to use some other means of dete
Hi,
I need a way to test if an string containing an ipv4-address is really
an ipv4-address.
I tried
tmpAddress:=HostAddrToStr(StrToHostAddr(IPAddressStr));
writeln(tmpAddress);
if (tmpAddress='0.0.0.0') then
begin
writeln('Error in IP-address');
IPAddressStr:=tmpAddress;
end;
When I
Op 28-07-16 om 00:59 schreef Bo Berglund:
On Wed, 27 Jul 2016 21:43:10 +0200, Bo Berglund
wrote:
Now done updating Raspbian to latest version.
And the project compiles!
If it works is another story because I do not understand what to do
with a form with a long list of checkboxes without ex
Op 27-07-16 om 15:52 schreef Bo Berglund:
Thanks,
I unpacked the zip in my Projects dir on a Raspberry Pi3 running Raspbian.
Did nothing else to the files.
Then opened the project in Lazarus 1.6 (with FPC 3.0) and executed a compile
command.
I received an error message so I repeated it again an
Op 24-07-16 om 16:29 schreef James Richters:
Bo,
I also have a raspberry pi project.. I got a hifi-berry card for it and it
is streaming audio to a central audio system, I'm using VLC media player and
an app on my cell phone to control it, I have not made use of the GPIO on
them yet, but I woul
Op 14-08-15 om 14:18 schreef Jeppe Johansen:
Hi Koenraad,
For simplicity I think it would be best to just add them to each unit
without too many macros.
There's not a clear line for what to include in the RTL units at the
moment, but with CMSIS growing more relevant I think it makes sense to
ha
Hi,
I'm trying to restart my arm-embedded project.
A few years ago I had a working compiler, with some utility-files.
I made a new cross-compiler (fpc svn 31290). But I don't find where the
interrupt-numbers of an STM32F103xx processor are defined.
So I made an inc-file and added that to e.g.
Hi,
I need to set ACL's on files on Linux. Is there something ready-made in
fpc ? Or should I use a TProcess and execute a setfacl that way ?
TIA
Koenraad
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op 15-01-14 13:31, Michael Schnell schreef:
Did you try to create the PC->ARM cross gdb and ARM cross-compile the
ARM gdbserver ? It might be that this in fact was why he needed the huge
libraries.
I did create a cross-gdb, I think. But no server. I'm using JTAG, with
openocd. I use Insight
op 15-01-14 11:42, Michael Schnell schreef:
- We only could get fpc, gdb, and gdbserver compiled after installing
the complete "Code Source" C cross development suite (including
Eclipse). We did not find any smaller and more handy package that did
work for that purpose. We did not thinks that i
op 11-12-13 19:36, Jeppe Græsdal Johansen schreef:
What am I doing wrong ?
Thanks for any pointers.
Koenraad Lelong
The Cortex-M RTL units were changed some time ago to favour a more
flexible way of doing interrupt handling for embedded devices, by
implementing assembler support for weak
ocedure SysTick_interrupt; interrupt;
begin
...
end;
What am I doing wrong ?
Thanks for any pointers.
Koenraad Lelong
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op 24-10-13 13:41, Koenraad Lelong schreef:
But I'm unable to locate where that '--build-id' is generated for the
linker-commandline. If that is removed (only for arm-embedded ?), the
build-id will not be generated, so no wasted memory.
Hi,
I found where the '--build-i
op 23-10-13 21:51, Florian Klämpfl schreef:
Am 23.10.2013 20:01, schrieb Michael Ring:
This article describes what build-id does:
https://fedoraproject.org/wiki/Releases/FeatureBuildId
your fix should get applied to trunk, the gnu-build section should end
up somewhere, best place is flash, it
op 23-10-13 19:33, Michael Ring schreef:
I think I remember that we had a discussion on build-id before, it did
not work on linux but I thought that Florian has created a fix and I
think I have verified that it works after that on my linux system.
Are you on Linux? And using trunk compiler? If y
op 23-10-13 13:54, Jonas Maebe schreef:
On 23 Oct 2013, at 12:05, Koenraad Lelong wrote:
fpc@linux:~/src-arm-fpc> fpc -Parm -Tembedded -Wplpc2124 -sh tled1.pp
Free Pascal Compiler version 2.7.1 [2013/10/23] for arm
Copyright (c) 1993-2013 by Florian Klaempfl and others
Target OS: Embed
sy to use interrupts, at
least, I think, reading the sources of the cross-compiler. I once had a
working STM32 cross-compiler but there you had to be very carefull when
you defined interrupt-routines.
Thanks anyway.
Koenraad Lelong.
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op 23-10-13 11:33, Tomas Hajny schreef:
On Wed, October 23, 2013 11:23, Koenraad Lelong wrote:
...
Are you aware of compiler option -s (or -sh, but that is the default for
-s if I remember correctly)?
Tomas
Hi Tomas,
fpc@linux:~/src-arm-fpc> fpc -Parm -Tembedded -Wplpc2124 -sh tled1
lso tried this with binutils-2.21.1 with the same
problem.
Is there a way to see what parameters fpc generates to invoke the linker ?
I would be very gratefull when someone can pinpoint my error.
Thanks,
Koenraad Lelong
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ss:=copy(inparam,1,pos('/',inparam)-1);
writeln('netadr : ',NetAddrToStr(StrToNetAddr(inparam)));
writeln('hostadr : ',HostAddrToStr(StrToHostAddr(inparam)));
writeln('netadr : ',NetAddrToStr(StrToNetAddr(address)));
writeln('hostad
Op 29-05-13 18:16, Thomas Schatzl schreef:
There's snapshot on the ftp.
Downloaded ftp://ftp.freepascal.org/pub/fpc/snapshot/v27/arm-linux-armhf/
Should I do this "native" ?
Copied the contents to /usr
Tried fpc -i, shows fpc 2.6.2, for armel.
Is there some mistake ?
Since it seems pos
Op 27-05-13 21:20, Koenraad Lelong schreef:
Hi,
..
A suggestion on the hardkernel-forum said it might be an armhf problem.
Is it prossible to compile fpc from armhf ? Should I do this "native" ?
I mean, I have an fpc running on the hardware, but it's an armel, at
least I
rld
not a dynamic executable
A bare fpc-program gives the same results.
program test;
begin
writeln('tfpc-test');
end.
Commandline to compile this :
./ppcarm test -Sc -FEbin -FUdcu -Fufpcunits -Iufpcunits
Running those same executables on a Raspberry Pi works OK.
Than
is affected (I tried a few).
Regards,
Koenraad Lelong
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thout it I still get the
linker-error.
I tried to make a crosscompiler today with r23680, but that fails. Is it
still necessary to use that arm-embedded-ld hack ?
Thanks,
Koenraad Lelong
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ting to do that. But a whole record could
cross memory-pages, then the record needs to be split in two (or more)
cycles. But at the moment I'm saving less than 20 variables, so
splitting will be for later.
Thanks for your input, same for you Ludo.
Regards,
Koenraad Lelong.
___
27;s suited for the project I don't know yet.
Other solutions ?
Mmm, writing things out clears the mind. I think it would be better to
write the whole record.
Thanks for your input.
Regards,
Koenraad Lelong
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d I'm developping an embedded project with FPC.
There is also the maple, arduino form-factor but also a cortex-m3 processor.
Just my 2 cents ;-)
Koenraad Lelong
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OCESSOR=lpc2124
fpc -Parm -Tembedded -Wp$PROCESSOR -XParm-none-eabi- $1
I'm putting a new version of my VM on dropbox.
Regards,
Koenraad Lelong
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error exitcode (normal if you did
not specify a source file to be compiled)
I'll make the new virtual machine available on dropbox.
Regards,
Koenraad Lelong.
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his when this problem is solved, but anyone can use
it. I'm going to try to maintain this, so all comments are welcome.
Users/passwords : fpc/fpc and root/linux.
Thanks again,
Koenraad Lelong.
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Hi,
An update. I tried to make a crosscompiler with the new sources on my
"old" developing machine. There I still get the segmentation fault. The
difference is that that machine is 64 bit, while the appliance is 32 bit.
Actually, that was why I made the appliance. To see if there were
differ
king stage
seems to go wrong.
I'll report more when I have my notes.
Regards,
Koenraad Lelong
Hi,
I made a virtual appliance with opensuse 12.2, x386. To be able to
download it you must create an account on http://susestudio.com. Search
for freepascal, then you'll find it : Freepas
an look into the problems.
And when there is a usable compiler, I can make the appliance to share
it with interested users.
Regards,
Koenraad Lelong
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be linked. I have to redo some things to
note what I am doing and what the results are, but the linking stage
seems to go wrong.
I'll report more when I have my notes.
Regards,
Koenraad Lelong
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e segmentation fault. And I did this with gdb
to get a backtrace. That's what I sent to the list.
You say you can't compile the RTL, what error do you get ?
I'm compiling this with FPC 2.6.0, on Opensuse 12.1 64 bit.
Anyway, thanks fo
ings (also
from me) in this list about arm-embedded, did you read those ?
Did you read http://wiki.freepascal.org/TARGET_Embedded ?
Regards,
Koenraad Lelong
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yone can help ?
Regards,
Koenraad Lelong
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5 in ?? ()
#12 0x00415bc7 in ?? ()
#13 0x008dcb90 in ?? ()
#14 0x0040ff5a in ?? ()
#15 0x774521c0 in ?? ()
#16 0x0000 in ?? ()
(gdb)
Regards,
Koenraad Lelong
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alled. And they need the drivers themselves installed. Maybe on
Win it's the same ? Or maybe the 32bit drivers are installed and 64bit
is needed ?
HTH.
Regards,
Koenraad Lelong
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ht
I know.
>
> I'm using PCSC-Lite (http://pcsclite.alioth.debian.org/) which is AFAIK
> a Linux version of the M§ API. At least its API
> http://pcsclite.alioth.debian.org/api/group__API.html looks quite
> similar to what I've seen in this component.
>
TIA
Koenraad Lelong
_
ad no possibility to test
them since I don't yet have a suitable video-cable.
TIA,
Koenraad Lelong.
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port fpc to cortex-m4 :
http://be.farnell.com/stmicroelectronics/stm32f4discovery/board-eval-stm32f4-discovery/dp/2009276
I could sponsor one if you like ;-)
And there is no hurry. I need to finish my cortex-m3 project first and
see if that processor is fast enough.
Regards,
Koenraad L
On 26-06-12 09:38, alrieckert wrote:
Thank you for the feedback, does this mean you got the interrupt working
with my patches??
Hi Anton,
Yes, I got interrupts working now.
It took some experimenting though. Or maybe I'm missing something. To
get the interrupt procedure on the right place in t
that would be great. I wouldn't know how to use the
dsp-instructions, yet.
Thanks for any pointers,
Koenraad lelong.
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Anyway, thanks for all help.
Koenraad Lelong.
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On 13-06-12 07:37, alrieckert wrote:
alrieckert wrote
Please just make sure about your starting address for the flash. I'm using
the STM32F103CBT6 and the start address is 0x0800 and not 0x080
I've just verified it. The starting address for the flash should be
0x0800. The reason
On 11-06-12 13:46, alrieckert wrote:
Hi Jeppe,
I've been using the actual ROM based interrupt table for the past month now
in freepascal ad it seems to work great. No need to declare a block of RAM
and pointing the interrupt table to it.
...
Please let me know if you have any questions.
--
fset
Register) masks off the last 9 bits (8..0).
If I need that space I will modify the start of RAM location and use the
first bytes of RAM for the vector-table.
It would be nice to have "external" linker scripts. That way you could
more easily add processors, or use custom bootl
On 08-06-12 06:45, Ludo Brands wrote:
Handcrafted alignment:
var
ReservedBlock:array[0..$1FF] of byte;
IntVectors:pointer;
begin
IntVectors:=pointer((ptruint(@ReservedBlock[0])+$100) and not $ff);
End;
Or dynamic:
Var
pReservedBlock,IntVectors:pointer;
begin
Getmem(pReservedBlo
e was in vain.
Any help ?
Regards,
Koenraad Lelong.
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o the beginning of the selected font table
pFont:=@FONT6x8;
nCols:=pFont^;
nRows:=(pFont+1)^;
nBytes:=(pFont+2)^;
end.
Now my library works.
Thanks,
Koenraad Lelong.
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On 03-06-12 17:53, Koenraad Lelong wrote:
Hi,
Im trying to access an open array but I get a runtime error. I googled a
bit, and found some suggestions, but for me they don't work.
Forgot to say : runtime error is 216.
modified (with the same error) :
const
FONT6x8 : array[0..775] of
$00, // "
($50,$50,$F8,$50,$F8,$50,$50,$00, // #
...
Any suggestions how I can correct my code ?
Thanks,
Koenraad Lelong.
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help,
Regards,
Koenraad Lelong.
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On 08-05-12 22:41, Koenraad Lelong wrote:
Hi,
I don't know why but now it works.
Sorry for the noise.
Regards,
Koenraad Lelong.
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lp you can give,
Regards,
Koenraad Lelong.
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On 04-05-12 14:53, Koenraad Lelong wrote:
On 04-05-12 14:31, Thomas Schatzl wrote:
...
Compared to the other variants (e.g. with the multiplies, except for the
table lookup) you already save a lot of cycles - although I guess they
would be sufficiently fast anyway, considering the typical
sing 9 bit
synchronous transmission. My first usart-tests were at 4Mbps. The person
that made the driver recommends max. 6Mbps.
If I need more spare time I'll have to see what DMA can do.
Thanks for all information.
Regards,
Koenraad Lelong.
_
f0f30rbitr0, r0
8000154: ea4f 50d0 mov.w r0, r0, lsr #23
8000158: 46f7mov pc, lr
Wouldn't it be possible to do
rbitr0, r0, lsr #23
When reading the ARM programming manual I believe it should.
But do I gain something ?
Regards,
Koenr
;
asm
.long 0xe6ff0f30 // rbit r0, r0
lsr r0, r0, #24
end;
Thanks guys, I'll try and test this weekend.
Regards,
Koenraad Lelong.
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anks,
Koenraad Lelong.
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ler is new to me.
Thanks for any hints.
Koenraad Lelong.
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On 10-02-12 15:33, Sven Barth wrote:
Am 10.02.2012 14:46, schrieb Koenraad Lelong:
On 10-02-12 13:58, Sven Barth wrote:
If your "fpc-svn" directory is a real svn checkout you can just do a
"svn diff > your-patch.diff". Alternatively you can use should add
"-aur&qu
On 10-02-12 13:58, Sven Barth wrote:
If your "fpc-svn" directory is a real svn checkout you can just do a
"svn diff > your-patch.diff". Alternatively you can use should add
"-aur" as argument to diff (in front of the filenames).
Enclosed the new patch. This all compiles, but needs to be verifie
On 10-02-12 08:57, Rainer Stratmann wrote:
This means that there is a simple install solution for Linux?
All in one directory?
I don't understand what you want. An install solution for what ?
Koenraad.
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On 10-02-12 11:30, Jonas Maebe wrote:
Now I see: that compilerproc is only included in the RTL if
FPC_HAS_FEATURE_ANSISTRINGS is defined. The embedded target by default
probably does not include support for ansistrings (since they in turn
depend on the heap manager). One helper for readstr(ansis
On 08-02-12 17:31, Koenraad Lelong wrote:
On 08-02-12 15:42, Jonas Maebe wrote:
On 08 Feb 2012, at 15:31, Koenraad Lelong wrote:
After some debugging, I think my compiler does not work. I'm pretty
certain it outputs arm-code in stead of the needed thumb2 code.
The error below indicate
On 08-02-12 15:42, Jonas Maebe wrote:
On 08 Feb 2012, at 15:31, Koenraad Lelong wrote:
After some debugging, I think my compiler does not work. I'm pretty
certain it outputs arm-code in stead of the needed thumb2 code.
The error below indicates the compiler does not get to emitting any
I do have a working crosscompiler (I think), only I have to call it via
/usr/lib/fpc/2.6.0/ppcrossarm ..., instead of via fpc ...
The code seems not to work, but that could be my own RTL, which I copied
from SMT32F103RE. I'm working on that.
After some debugging, I think my compiler does not
On 08-02-12 14:31, Henry Vermaak wrote:
...
Then to make the crosscompiler how do I specify to use ppcx64-2.7.1 ?
I'm afraid I don't understand the question.
Never mind. I now remember that the buildprocess first builds it's own
compiler, using the 'old' compiler. Then the new compiler is u
On 08-02-12 12:53, Henry Vermaak wrote:
How do you install it? I use 2.6.0 and trunk, so it's definitely
possible. I install to /usr/local on linux (but I have a similar setup
on Windows), then I end up with the different versions like this:
/usr/local/lib/fpc/2.6.0
/usr/local/lib/fpc/2.7.1
On
hat have I to do to
be able to use the two versions in parallel ?
I tried to make the arm-embedded compiler by compiling the svn-version
with fpc-2.6.0, but that fails.
Thanks for any info.
Regards,
Koenraad Lelong.
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On 06-02-12 14:47, Graeme Geldenhuys wrote:
Strange. Last time I downloaded Paul's Windows archive he released, it
was indeed a cross-compiler for x86 (32-bit) to ARM (and not a native
arm executable). I could then compile my mobile application under
Windows 2000, then copy my compiled applicati
think it should be possible to make them for
crosscompiling too.
Regards,
Koenraad Lelong.
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The controller I'm
targetting has 128K of flash-rom and 8K of RAM.
I do have a working crosscompiler (I think), only I have to call it via
/usr/lib/fpc/2.6.0/ppcrossarm ..., instead of via fpc ...
The code seems not to work, but that could be my own RTL, which I copied
from SMT32F103RE. I
le the
applications with -Cpcortexm3 ?
Thanks for any info.
Regards,
Koenraad Lelong.
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On 12-12-11 09:53, Koenraad Lelong wrote:
On 09-12-11 00:09, Den Jean wrote:
On Thursday 08 December 2011 13:49:16 Koenraad Lelong wrote:
> /usr/lib/fpc/2.6.0/units/arm-embedded/rtl/system.o does not support
> interworking, whereas test-1.elf does
does this thread help ?
On 09-12-11 00:09, Den Jean wrote:
On Thursday 08 December 2011 13:49:16 Koenraad Lelong wrote:
> /usr/lib/fpc/2.6.0/units/arm-embedded/rtl/system.o does not support
> interworking, whereas test-1.elf does
does this thread help ?
http://lists.freepascal.org/lists/fpc-devel/2011-
arm-elf-ld: Warning:
/usr/lib/fpc/2.6.0/units/arm-embedded/rtl/stm32f103.o does not support
interworking, whereas test-1.elf does
I think Googling tells me my application will not run. Am I doing
something wrong ?
Thanks for any hints.
Koenraad Lelong
_
nd I remember using this before.
Thanks,
Koenraad Lelong.
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writeln('Table open');
except
on E: Exception do
begin
writeln(E.Message);
end;
end;
When I insert values I do :
myTable.Params.ParamByName('Field1').Value:='Value1';
myTable.Params.ParamByName('Field2').Value:=
ors.
I'm stuck :-(
Regards,
Koenraad Lelong.
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On 12-10-11 09:07, Jeppe Græsdal Johansen wrote:
Den 12-10-2011 08:25, Koenraad Lelong skrev:
Neither will do, and that explains the problem. To build the svn trunk
version you need the latest stable release(or latest svn trunk version),
which is version 2.4.4
OK,
I installed the binary
On 12-10-11 08:12, Koenraad Lelong wrote:
On 11-10-11 22:05, Jeppe Græsdal Johansen wrote:
That's a problem, since that error was fixed in revision 19238.
Btw. I just tested, and I had no problem building the svn trunk version
using fpc 2.71. What version of fpc did you try to build
like you advised ;-)
I'll try 19238 now.
Thanks again,
Koenraad Lelong.
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y revision 19167 then those changes shouldn't be there. I'm
fairly certain that should build
Hi Jeppe,
Now I could make my compiler.
I also tried to compile a program (downloaded from your site) with the
compiler, but I got a whole bunch of warnings. Is there a a way to solve
these ?
Ma
STM32/fpc/rtl/embedded' wordt
verlaten
make[2]: *** [embedded_all] Fout 2
make[2]: Map '/home/koenraad/Downloads/STM32/fpc/rtl' wordt verlaten
make[1]: *** [rtl_all] Fout 2
make[1]: Map '/home/koenraad/Downloads/STM32/fpc' wordt verlaten
make: *** [base.build-stamp.arm-embedded
On 19-09-11 14:49, Mark Morgan Lloyd wrote:
Koenraad Lelong wrote:
On 04-09-10 12:40, Jeppe Johansen wrote:
Den 04-09-2010 12:37, Rainer Stratmann skrev:
Am Saturday 04 September 2010 11:57:25 schrieb Jeppe Johansen:
Den 04-09-2010 10:50, Rainer Stratmann skrev:
Is it possible to compile
STM32-discovery board. I'm searching how I can program the
device, but I can't find anything. With programming I mean getting the
firmware into the device. Can someone give me a link ?
Another question : any links how to get fpc to compile for that device ?
Regards,
Koenr
do I check if the socket is "empty" ?
I found references to simpleIPC, but I can't find examples. I found an
xml-file, could this some explanation ?
I'm using FPC 2.2.4. Any pointers ?
TIA
Regards,
Koenraad Lelong.
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Jonas Maebe schreef:
On 15 Jul 2009, at 11:06, Koenraad Lelong wrote:
I have a linux application where I use DatetimeToUnix. I think it
contains a bug.
Every minute I put a sample in an rrddb (rrdtool). When I dump the
rrddb, the time of the samples is 2 hours in the future. Those 2 hours
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