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No data on tty #2

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@kentbrake

Hi,

I have a duemilanove with a AFMotor shield. I plan to attach the encoder and wheels from a recycle'd roomba. I was able to get the source to build and load with the following changes:

OpenInterface.h:

+#include <HardwareSerial.h>
+#include <Arduino.h>
+#define byte uint8_t

I have not attached the wheels/encoders yet, but I see the following error after starting ROS:

[rosout][ERROR] 2012-05-22 15:08:21,102: Failed to contact device with error: [Error reading from SCI port. No data.]. Please check that the Create is powered on and that the connector is plugged into the Create.
[root][INFO] 2012-05-22 15:08:26,476: sending control opcodes.

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