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Hi all. Could anyone explane me what different between UART1 and UART0 (except modem control register in UART1). I can't understant NOTHING! Two equal initialization. Equal ISR but when I try to work with UART1, system hand-up. UART0 working absolutely normal. Exactly like in PDF, without ANY problem.

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Hi, Could you please send me the code for UART0. Here i am facing some problem with UART0. I am unable to send any charector to Hyper Terminal.. Thanks in advance. -Srinivas. dimaissaev <> wrote: Hi all. Could anyone explane me what different between UART1 and UART0 (except modem control register in UART1). I can't understant NOTHING! Two equal initialization. Equal ISR but when I try to work with UART1, system hand-up. UART0 working absolutely normal. Exactly like in PDF, without ANY problem. Yahoo! Groups SponsorADVERTISEMENT --------------------------------- Yahoo! Groups Links To __________________________________________________ ">http://mail.yahoo.com [Non-text portions of this message have been removed]

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At 01:49 AM 2/25/05 -0800, Srinivasa Reddy Mannem wrote: >Could you please send me the code for UART0. There are examples in the files download area. The newlib-lpc library ( http://www.aeolusdevelopment.com ) has drivers for both UARTS both polled and interrupt driven. Robert " 'Freedom' has no meaning of itself. There are always restrictions, be they legal, genetic, or physical. If you don't believe me, try to chew a radio signal. " Kelvin Throop, III

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I've been having a terrible time with getting the interrupts working on the LPC2294 using the Keils tools. The code being created seems fine, but if I try and enable the interrupts, sometimes it will work, sometimes they are ignored and sometimes the processor just locks up. I generally have to spend an hour or so trying to figure out what order to initilize things in before they work. --- In , "dimaissaev" <dimaissaev@y...> wrote: > > Hi all. > > Could anyone explane me what different between UART1 and UART0 (except > modem control register in UART1). > > I can't understant NOTHING! > Two equal initialization. Equal ISR but when I try to work with UART1, > system hand-up. UART0 working absolutely normal. Exactly like in PDF, > without ANY problem.

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--- In , Robert Adsett <subscriptions@a...> wrote: > At 01:49 AM 2/25/05 -0800, Srinivasa Reddy Mannem wrote: > >Could you please send me the code for UART0. > > There are examples in the files download area. The newlib-lpc library ( > http://www.aeolusdevelopment.com ) has drivers for both UARTS both polled > and interrupt driven. I can't use this interrupt by many reason. The main is Ineed a nested interrupts. And I think that I have a problem with them.

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At 11:35 PM 2/25/05 +0000, dimaissaev wrote: >--- In , Robert Adsett <subscriptions@a...> >wrote: > > At 01:49 AM 2/25/05 -0800, Srinivasa Reddy Mannem wrote: > > >Could you please send me the code for UART0. > > > > There are examples in the files download area. The newlib-lpc >library ( > > http://www.aeolusdevelopment.com ) has drivers for both UARTS both >polled > > and interrupt driven. > >I can't use this interrupt by many reason. The main is Ineed a nested >interrupts. They would still be a way to verify your own approach didn't leave anything out though. >And I think that I have a problem with them. Which raises two questions Have you verified that you have working non-nested interrupts? Always get the simpler case to work first. Are you absolutely certain you need nested interrupts? I strongly suspect that nested interrupts will require an assembly language shim. I would advise using such a shim even for standard interrupts but not everyone shares my paranoia on that :) Robert " 'Freedom' has no meaning of itself. There are always restrictions, be they legal, genetic, or physical. If you don't believe me, try to chew a radio signal. " Kelvin Throop, III

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