[Tinyos-help] Using I2C Bus for MSP430

Matteo Andretto andretto at dei.unipd.it
Thu Dec 7 07:42:53 PST 2006


I thought that in TmoteSky pull-up resistor was already connect.
I am too optimistic?

Matteo



On 07/12/06, R. Steve McKown <rsmckown at yahoo.com> wrote:
> On Thursday 07 December 2006 04:25 am, Matteo Andretto wrote:
> > I request resource I2C bus and when granted event is signalled I call
> > an I2C write operation, after that I get the writeDone event, but with
> > error FAIL.
> > If I call another I2C write command, I don't get any writeDone signal back.

> The code looks OK to me.  Do you have pull-up resistors on the i2c  
> bus signals
> (SDA and SCL)?



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