Subject:
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Re: Replacement Firmware Released
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 23 Dec 2004 22:53:03 GMT
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Viewed:
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1346 times
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I'm pretty sure that variable strength braking is in fact the
implementation in the standard firmware. Braking is proportional to the
current setting of the power level. I think there may even be some
ancient posts somewhere in Lugnet on this topic.
"Philippe Hurbain" <philohome@free.fr> wrote in message
news:I96EKv.1s7x@lugnet.com...
> > 1) braking seems to be proportional to power (at power=0, brake is
> > not very effective) -- Lego
> > firmware appears to brake at full power no matter what the power
> > setting is. My guess is that the
> > 'brake' function (shorting out the motor) is only being effected
> > during the 'on' phase of the PWM
> > routines.
>
> Agreed. Beeing able to control break strength is an interesting
> feature, but it
> is incompatible with standard firmware. Maybe it should be controlled
> by a
> variable similar to bFloatDuringInactiveMotorPWM
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Message has 2 Replies:
 | | Re: Replacement Firmware Released
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| I can say with assurance that the firmware that shipped with my RIS 2.0 does indeed brake fully no matter what the power. I started looking into this precisely because the new firmware behaves differently. If that's a feature and not a bug, fine -- (...) (20 years ago, 24-Dec-04, to lugnet.robotics)
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Message is in Reply To:
| | Re: Replacement Firmware Released
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| (...) Agreed. Beeing able to control break strength is an interesting feature, but it is incompatible with standard firmware. Maybe it should be controlled by a variable similar to bFloatDuringInactiveMotorPWM (20 years ago, 23-Dec-04, to lugnet.robotics)
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