hi,
Here is an experiment that i performed to compare the idle voltages i
get at pins SO,SI and SCLK.
telosb(tmote-sky) platform {SO=2.4V, SI=2.4V, SCLK = 2.4V}
I attached an external radio to the original telosb platform (disabled the
radio that comes with the tmote-sky) and tried measuring the same.
New platform {SO=2.4V, SI=2.4V, SCLK = 0.7V}
As SCLK is just an input to the radios, attaching a different radio to the
SPI pins should not make any difference to SCLK.
Any idea why this happens?
P.S: In the MotePlatformC.nc file, the initial values of the pins(S),SI
and SCLK) are specified to be the same in both platforms.
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