[Tinyos-help] i2c/spi bus sharing

Carloalberto Torghele carloalberto.torghele at gmail.com
Wed Feb 27 10:02:52 PST 2008


Hi.
I need to share the I2c/spi pin of a tmote node beetween the radio (which
communicates in SPI) and a sensor (which communicates in I2c). I'm using
TinyOs 2. Is it possible? In particular what I can stand is to switch off
the radio while I'm reading the sensor but I need that the radio's stack
stays up. How can i do that? Is there any i2c software implementation in
TinyOs2 so I can move the sensor to another free pin?
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