Paul, and all,
I'm not having much success with this :-(
I just can't figure out how the At45db code configures the USART... the files
you pointed to set USART1 to asynch mode, and therefore don't configure the
clock line. But magically the At45db code is able to use the USART1 pins in
synch mode, with the right clock rate ! where is it configuring this ?? I'm
obviously not looking at this right.... Anyone help would be really appreciated
here !
Thanks,
Matt
From: [email protected]
To: [email protected]
CC: [email protected]
Subject: RE: [Tinyos-help] USART1 on Atm128
Date: Tue, 10 Nov 2009 17:13:27 +0000
Paul,
Thankyou for the quick response.
If I'm reading these files right, they configure both USART ports to be
asynchronous... which I find confusing ! HplAt45dbIOP.nc uses the USART in
synchronous mode, but the underlying HplAtm128UartP.nc sets it up as
asynchronous...
Any ideas what I'm missing ???
Regards,
Matt
Date: Tue, 10 Nov 2009 10:49:31 -0600
From: [email protected]
To: mat
[email protected]
CC: [email protected]
Subject: Re: [Tinyos-help] USART1 on Atm128
Matt,
Take a look in this directory:
tinyos-2.1.0/tos/chips/atm128/
Files:
HplAtm128Uart.nc
HplAtm128UartP.nc
HplAtm128UartC.nc
These are the components that control the UART interfaces. Look for
UART1 in those files. You might also want to look at
tinyos-2.1.0/tos/platforms/micaz/MotePlatformC.nc
which defines the pin used for serial input/output(UART0 i believe)
-Paul
Matthew Bygo wrote:
Hi all,
I want to reuse the USART1 for my own peripheral on a micaz, and I'm
struggling to find the USART hpl in the TinyOS code.
My understanding is that the USART is used only for the flash chip and
I can find the SPI bit banging code (HplAt45dbIOP.nc) which operates
over the USART, but I can't find the actual USART config code.
Presumably this is somewhere in the Atm128 folder... can anyone clarify
?
Many thanks,
Matt
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