Lpc2000

Le Lundi 20 Juin 2005 16:27, Lowry, Jeff a écrit :
I'm using TCport3 with C++Builder6 and i'm able to receive all byte value from 
0 to 255 coming from an embedded board  (binary logging). TCPort is working 
under C++Builder and Delphi

> I've been using the Mscomm control in VB with no problem.  All characters
> come thru.  Jeff.
>
> ________________________________
>
> From: lpc2000@yahoogroups.com on behalf of charlesgrenz
> Sent: Mon 6/20/2005 7:16 AM
> To: lpc2000@yahoogroups.com
> Subject: [lpc2000] Re: Problems with UART1 on LPC2132
>
>
> You are using the generic controls for Win32. You are going to need to
> change the DCE control for windows and write your own drivers. Windows
> assumes that the serial RXD and TXD will be in ASCII and not in
> binary. To get binary you have to change the ASCII setting to a BINARY
> setting in teh DCE and then create a RAW rxd and txd routine to allow
> you to get the characters. You can probably use an ActiveX control to
> help you do this so you do not have to reinvent the wheel. If you need
> some ideas I can email you a link of some source code that was written
> for a serial DLL that we give away to customers.
>
> regards,
> Charles
>
>
> --- In lpc2000@yahoogroups.com, "soren_t_hansen" <soren_t_hansen@y...>
>
> wrote:
> > I use a Win32 comport to receive with. It has the following setup:
> >
> > HANDLE m_hCom = 0;
> > m_hCom = CreateFile(m_sComPort,   // pointer to name of the file
> >                     GENERIC_READ | GENERIC_WRITE,
> >                     0,
> >                     NULL,
> >                     OPEN_EXISTING,
> >                     FILE_FLAG_NO_BUFFERING,
> >                     NULL);
> >
> > I then read the comport with the following call:
> >
> > ReadFile(m_hCom, buffer, length, &iBytesRead, NULL);
> >
> > How can I prevent the PC from stripping the 0s?
> >
> > Søren
> >
> > --- In lpc2000@yahoogroups.com, Peter Jakacki <peterjak@t...> wrote:
> > > Oh, you can transmit a 0 ok, it's just that the PC may strip NULs
>
> (0's)
>
> > > from the input stream. It just comes back down to what software
>
> you are
>
> > > using to receive. But since I don't know what you are using I can't
> >
> > help. :)
> >
> > > BTW, try transmiting 0's from the PC back to the PC to test that end.
> > > Elimination is the 1st part of debugging.
> > >
> > > *Peter*
> > >
> > > soren_t_hansen wrote:
> > > >Hi everybody
> > > >
> > > >I want to transmit a number og bytes on UART1 and some of them are 0.
> > > >When I receive the bytes on the PC, all the 0s are gone, resulting in
> > > >an error on that side.
> > > >
> > > >I use the following to transmit the bytes:
> > > >
> > > >while (!(U1LSR & 0x20));
> > > >   U1THR = buffer[i];
> > > >
> > > >Isn't possible to transmit a 0?
> > > >
> > > >Best Regards
> > > >Søren
>
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