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Originally Posted by Rombus
sorry for not being clear!  |
It sounded like you might have encountered multiple problems so I wanted to be clear.
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Originally Posted by Rombus
When i say "Camera not working" I mean no data being recived according to our programming teams code and what it displayed in terminal. The programming team was able to force the tracking code to attempt to search without data so we knew our servos were physically and eletrically fine.
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We unfortunately had this problem all the time. We finally determined it only happened when the robot was powered up while in autonomous mode and the reset button was pressed. The camera would not initialize when that was done. It will be a while before I again have access to our robot and can run some more tests in an attempt to isolate the problem.
A few other people have reported a similar problems. Some sound like our problem and others sound like an intermittent problem where the camera just stops working. If you look at the 8.2 Battery Voltage Bug thread in the programming forum people reported they changed their code to check if the camera stopped sending packets, and if so to reinitialize the camera.
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Originally Posted by Rombus
According to the documentation i read, setting disable sets all the pwm outputs to 127 (Nutral to the victors). But i could be mistaken, has anyone tried running a Servo with just +5v and ground connected? I was thinking it might be interferance but now im curious, I think i have some spair pinheaders around here and some servos, so ill give that a go tommrow.
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If the pwm outputs were set to 127 then you could not move the camera servos by hand to another position without them fighting you.
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Originally Posted by Rombus
Im curious about your single servo movment. What was the other servo doing? Do you happen to know what PWM you had them connected to? This sounds very similar to what was going on with ours, i think 1 servo was acting how you described during programming, and both servos were acting that way during disabled.
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Our pan and tilt servos were on pwm1 and pwm2 as used in the default camera code. During camera search mode if our tilt servo stopped working the pan servo would continue to sweep back and forth.