| | Declaration of kernel_critsect_count
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kernel_critsect_count is declared volatile in kernel/critsec.c, but without the volatile keyword in include/sys/critsec.h - this upsets gcc3. Please could these declarations be reconciled? Thanks, Max. (22 years ago, 15-Feb-03, to lugnet.robotics.rcx.legos)
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| | Re: no long range IR from laptop says Lego
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Use a powered USB hub with the laptop. The power required for the USB IR Tower will come from the powered hub, rather than the laptop. - Rob (...) (22 years ago, 15-Feb-03, to lugnet.robotics.rcx)
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| | Re: no long range IR from laptop says Lego
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(...) No idea. I think these values are used for accounting, to ensure that all devices together don't exceed available power. But I don't know how well this is implemented. (...) Linux makes them available in readable form in /proc/bus/usb/devices (...) (22 years ago, 14-Feb-03, to lugnet.robotics.rcx)
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| | Re: dll and the USB tower
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I have the same problem (I posted a note 3 days ago "Problem with Brickos ..." # 20311). In addition I don't get firmdl3 to download the firmware. Are you running Windows or Linux? Hans (...) (22 years ago, 14-Feb-03, to lugnet.robotics.rcx.legos)
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| | How could I tell if I'd cooked the motor controllers ?
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We had an informal Robo-Sumo thing at my work place tonight and I'm wondering if I killed my RCX. My 'bot had two gearmotors on A and two more on C to drive the wheels. Could they have drawn enough current when the 'bot was stalled to harm the RCX ? (...) (22 years ago, 14-Feb-03, to lugnet.robotics.rcx)
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