I2C eagle Tree Airspeed sensor

Istha Powron

Good morning all,

I am trying to read an eagle tree airspeed sensor and have absolutely NO idea of what I'm doing.

The data sheet is not fantastic;

http://www.eagletreesystems.com/support/manuals/microsensor-i2c.pdf

Here is the code I have written;

' {$STAMP BS2px}
' {$PBASIC 2.5}

SDA PIN 13 ' I2C SDA pin
SCL PIN 12

addr VAR Word ' internal address
result VAR Byte(2) ' array for returned value
speed VAR Word

START:

DEBUG CR, "Reading...", CR
PAUSE 1000

addr = $EA
I2CIN SDA, addr, [noparse][[/noparse]STR result\2]

speed = result(0)*256 + result(1)
DEBUG "out 0 = ", speed

GOTO START

END

I'm very confused as to the difference between slave ID and address.

Any help would be great.

Thank's,

Istha

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The robot is going to lose. Not by much. But when the final score is tallied, flesh and blood will beat the damn monster.
Adam Smith

Istha Powron

Fixed.

Apparently only pins 0&1 and 8&9 work for I2C.

I

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The robot is going to lose. Not by much. But when the final score is tallied, flesh and blood will beat the damn monster.
Adam Smith