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PWM problem..........
5 posts
• Page 1 of 1
PWM problem..........
i have lynxmotion robotic arm and and i have conected it to the flowstone..... using the example program given in sample programs......
while using it in continious mode....... changing the level from one end to other and doing it again the last data send by the software is wrong......
the data at the upper end is #P 1750 T150
and at the lower end is #P 600 T150
now while moving lhe level up down 2-3 times it sends the correct data but while leaving the mouse botton at one of the end say upper end ....... the last data is random ..... somewhere between #P 600 T150 to #P 700 T150, insted of #P 1750 T150.........
while using it in continious mode....... changing the level from one end to other and doing it again the last data send by the software is wrong......
the data at the upper end is #P 1750 T150
and at the lower end is #P 600 T150
now while moving lhe level up down 2-3 times it sends the correct data but while leaving the mouse botton at one of the end say upper end ....... the last data is random ..... somewhere between #P 600 T150 to #P 700 T150, insted of #P 1750 T150.........
- geetesh
- Posts: 10
- Joined: Wed Jan 12, 2011 11:14 am
Re: PWM problem..........
I also have a LM arm and have tried to emulate what you had said.
In my case it works perfectly?
I've added a Sting Label so that I can see the data at all times to prove the point:
In continuous mode:
Upper limit: #0 P1750 T150
Lower Limit: #0 P600 T150
Maybe it's an issue with your mouse?
In my case it works perfectly?
I've added a Sting Label so that I can see the data at all times to prove the point:
In continuous mode:
Upper limit: #0 P1750 T150
Lower Limit: #0 P600 T150
Maybe it's an issue with your mouse?
- DSP
- Posts: 150
- Joined: Fri May 14, 2010 10:55 pm
Re: PWM problem..........
i have recorded the whole problem........and uploaded on youtube
kindly see to it......
please watch it on high resolution (HD)
LINK IS AS UNDER
http://www.youtube.com/watch?v=vHNPOWutqAE
kindly see to it......
please watch it on high resolution (HD)
LINK IS AS UNDER
http://www.youtube.com/watch?v=vHNPOWutqAE
- geetesh
- Posts: 10
- Joined: Wed Jan 12, 2011 11:14 am
Re: PWM problem..........
I've looked at your video and the data structure is correct!
The only thing is as display is offset due to the data length (600 is shorter than 1750) but it clearly reads ok?
You said :
But each data string captured is in tact: ie. #0 P600 T150
You also said:
I see that you monitor program is displaying odd data, but since it is in tact is only leads me to believe that your monitor is not keeping up.
Have you connected this to the LynxMotion hardware? As I said it works perfectly here?
I'll download the monitor and see if it's the same here?
The only thing is as display is offset due to the data length (600 is shorter than 1750) but it clearly reads ok?
You said :
the data at the upper end is #P 1750 T150
and at the lower end is #P 600 T150
But each data string captured is in tact: ie. #0 P600 T150
You also said:
leaving the mouse bottom at one of the end say upper end ....... the last data is random
I see that you monitor program is displaying odd data, but since it is in tact is only leads me to believe that your monitor is not keeping up.
Have you connected this to the LynxMotion hardware? As I said it works perfectly here?
I'll download the monitor and see if it's the same here?
- DSP
- Posts: 150
- Joined: Fri May 14, 2010 10:55 pm
Re: PWM problem..........
Ok Downloaded the Free Comport Viewer you were using (nice tool).
On my system everything is ok, ie. the view is keeping up and the data is correct.
Are you using the latest version of the example? (the original one used the old now obsolete comport module).
Mine is called: 'LynxMotion Servo Board (updated2).fsm'
viewtopic.php?f=11&t=29
On my system everything is ok, ie. the view is keeping up and the data is correct.
Are you using the latest version of the example? (the original one used the old now obsolete comport module).
Mine is called: 'LynxMotion Servo Board (updated2).fsm'
viewtopic.php?f=11&t=29
- DSP
- Posts: 150
- Joined: Fri May 14, 2010 10:55 pm
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