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Lpc2000

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Message

Re: Uart 0, getting started thanx

2004-03-18 by hellika2003

Excellent, Thanks to all.
Things moving along well now. :)
Dan



--- In lpc2000@yahoogroups.com, "Richard" <richas@y...> wrote:
> Remove J10 after using the ISP Flash Utility or the default state of 
> the DTR line will hold the micro in reset.
> 
> Richard
> 
> --- In lpc2000@yahoogroups.com, "embeddedjanitor" 
> <charles.manning@t...> wrote:
> > --- In lpc2000@yahoogroups.com, "hellika2003" <hellika2003@y...> 
> > wrote:
> > > Hi, I have the Keil MCB2100 (www.keil.com/MCB2100) using the 
> 2129. I
> > > have spent nearly 2 days trying to get the UART 0 to do 
> something. I
> > > have got everything looking nice using the uVison3 Uart 0 
> peripheral
> > > to help. However, when i attempt to connect the serial cable to
> > > display a char in hyper terminal the board goes into a state of
> > > reset..???? I cant see (since i haven't put in any code to handle 
> > the
> > > reciept of chars) how this can happen. Anyway. 
> > > 
> > > Am i supposed to do more than just write the char to the Transmit 
> > buffer? 
> > > I was wondering since (Pclk = cclk) There might be a problem here?
> > > Is there anywhere i can find some sample code?
> > 
> > Some development boards use the RTS and DTR lines to effect reset 
> and 
> > ISP modes. Make sure that your serial set-up is not driving these 
> in 
> > a way that will force a reset.
> > 
> > One simple way to do this is to make a simple D9->D9 cable that 
> only 
> > passes through RX, TX and GND for use while testing the code.

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