Hello Janos,
I use Uart0RxControl.start(). Is it ok? Do I need to use other interface?
Thanks.
Haixia Li
________________________________
From: [email protected] [[email protected]] on behalf of Janos Sallai
[[email protected]]
Sent: Sunday, May 22, 2011 5:46 PM
To: Li, Haixia
Subject: RE: [Tinyos-help] Help IRIS uart0 bard rate
Did you start uart0?
Janos
On May 22, 2011 4:27 PM, "Li, Haixia"
<[email protected]<mailto:[email protected]>> wrote:
>
> Hello Janos,
>
> I haved modified the files as you said. But, I still cannot read data
> from uart0.
>
> I'm using IRIS. I want to read a sensor through Uart0. Some code I write
> are :
>
> components HplAtm128UartC;
> App.Uart0RxControl -> HplAtm128UartC.Uart0RxControl;
> App.HplUart0 -> HplAtm128UartC.HplUart0;
>
> In the App file, use intefaces:
> interface StdControl as Uart0RxControl;
> interface HplAtm128Uart as HplUart0;
>
>
> in the booted function:
> call Uart0RxControl.start();
> call HplUart0.enableRxIntr();
>
> I thought async event void HplUart0.rxDone(uint8_t data) will be signaled
> when the data are avaible. However, the program never runs into the function.
>
> Can you tell me what I can do to deal with this probem?
>
> Thanks .
>
> Haixia Li
>
>
> ________________________________________
> From: [email protected]<mailto:[email protected]>
> [[email protected]<mailto:[email protected]>] on behalf of Janos
> Sallai [[email protected]<mailto:[email protected]>]
> Sent: Thursday, May 19, 2011 9:04 AM
> To: Li, Haixia
> Cc:
> [email protected]<mailto:[email protected]>
> Subject: Re: [Tinyos-help] Help IRIS uart0 bard rate
>
> Modify (or create a shadow copy) of chips/atm1281/HplAtm128UartC.nc in
> which you change the line
>
> ubrr0 = call Atm128Calibrate.baudrateRegister(PLATFORM_BAUDRATE);
>
> to
>
> ubrr0 = call Atm128Calibrate.baudrateRegister(1200);
>
> The value returned by Atm128Calibrate.baudrateRegister(1200) should be
> around 383.
>
> Janos
>
> On Wed, May 18, 2011 at 5:24 PM, Li, Haixia
> <[email protected]<mailto:[email protected]>> wrote:
> > Hello everyone,
> >
> > I'm using IRIS, mib510 with Tinyos2.x. I want to using UART0 to read a
> > sensor. I try to use component HplAtm128UartC. How can I change the baud
> > rate on UART0?
> > If I cannot use the component, do I need to use interface UartStream?
> > In this interface, can I change the m_byte_time=3200 to set the baud rate to
> > 1200?
> >
> > Any help will be appreciated.
> >
> > Haixia Li
> >
> > _______________________________________________
> > Tinyos-help mailing list
> > [email protected]<mailto:[email protected]>
> > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
> >
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