Live C++ help

[agartner01]

Originally Posted by mikets

If you have a voltmeter, you can check the voltage between the +5 and the GND pins on the accelerometer to make sure it indeed gets power (in case you have bad connector). If you have an oscilloscope, check the SCK line, it should give you a train of square wave. No matter what color wires you hook it up, make sure +5 is connected to +5, Gnd to Gnd, SCL to SCL and SDA to SDA. By convention, +5 should be RED and Gnd should be BLACK.

Alright, I took the voltmeter to the pins on the accelermoneter and it did get power. I'll have to ask around to see if anyone has an oscilloscope.

[agartner01]

Alright, I'm going to try and use the gyro for what I need instead. I have no idea what up with the accelerometer

[mikets]

Did you try what Bob649 suggested? I think we connected to the other set of pins, not the one you showed in your picture.

[agartner01]

yeah... nothing changed. I did change the port to 2 in the code.

[mikets]

Originally Posted by agartner01

I did change the port to 2 in the code.

What do you mean by that? Are you saying you specified module number 2 when instantiating the ADXL345 class? If so, do you really have two Digital modules in your cRIO and what slots are they plugged into?

[agartner01]

Originally Posted by mikets

What do you mean by that?

Bold = change.

accelerometer = new ADXL345_I2C(2, ADXL345_I2C::kRange_2G);

[agartner01]

I thought thats what you did to tell the crio which port the sensor was on (1= left sides, 2 = right side). How else would it know where it was?

[mikets]

Originally Posted by agartner01

Bold = change.

accelerometer = new ADXL345_I2C(2, ADXL345_I2C::kRange_2G);

By putting a 2 there, you are saying you have TWO digital modules which means you must have an 8-slot cRIO and the second digital module must be inserted in slot 6 of the 8-slot cRIO and your accelerometer is connected to the I2C of the digital side car that is connected to the digital module in slot 6. Is that really your configuration?

[mikets]

Originally Posted by agartner01

I thought thats what you did to tell the crio which port the sensor was on (1= left sides, 2 = right side). How else would it know where it was?

No, the left side and the right side set of pins are not modules. The '2' you specified is the "module number". That's the cRIO modules. I2C is a bus, you don't need to differentiate it.

[agartner01]

Originally Posted by mikets

No, the left side and the right side set of pins are not modules. The '2' you specified is the "module number". That's the cRIO modules. I2C is a bus, you don't need to differentiate it.

nope still nothing

[msulaimain]

Hi, I have the following error on my driver station when I enable teleop:

ERROR: A timeout has been exceeded: RobotDrive...Output not updated often enough. ...in Check() in c:/Windriver/workspace/WPILib/MotorSafetyHelper.cpp at line 123

I have that error and it repeats continuously on the driver station.

I am deploying SimpleRobot example code.

Any solutions?

[tlemmons]

I dont know if you got this working but looking at your pictures you are plugged into the pins that they call multipurpose I/O and not the I2C port. They is the four pins closest to the NXT connector.

[agartner01]

Could You provide a picture? I'm not sure what your talking about

[mikets]

That's the same thing as what we've been talking about. Look at your own picture. There are two columns of pins, the one closer to the NXT connector are the I2C pins. The other set of pins that you plugged into are actually something else.