 | | Handy Board Keeps crashing
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I keep getting errors that there is extra bytes on the stack. I reset the board a couple of times and that does not help. I appreciate any help. Faris (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | Config register 0x3c
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As no one has any insight into why I'm getting a config register value of 0x3c when downloading pcode, I am into speculation mode. To refresh people's memory: All of DL, DLM, and HBDL refuse to download the pcode to my chip, and HBDL reports that my (...) (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Simultaneous Control of Multiple Servos
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That's the way I thought it had to be done. What I was considering was routines that moved each leg the same short distance (for straight line walking). Walking would consist of very short increments of movement. Now, this seems like it would move (...) (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | Gleason Reserch
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Do you know what is going on with Gleason Research ??. Thay are not responding the e-mail !! Ricardo Barrenechea rbarre@cis.com.ar (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | RE: Simultaneous Control of Multiple Servos
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I have included site addresses that I have found useful. (URL) Maker of the Hexapod robot using a buffer of sorts (D-type latches) for simultaneous control. Definitely worth a look, he's put a lot of information into this site. (URL) Creator of (...) (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Simultaneous Control of Multiple Servos
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I would suggest that just getting a walking robot to walk with coodination and then being able to turn in place and in an arc will be challenging enough to begin with. Just adding enough intelligence to adapt to rough terrain and the change gaits (...) (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Simultaneous Control of Multiple Servos
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You are correct to assume that all legs should be in sync with each other and that all the legs on the ground should be moving at the same rate in the same direction to move straight (sometimes you don't want to move straight!). BUT now think of the (...) (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | Simultaneous Control of Multiple Servos
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I have asked this before and not received much regarding this question. So, here goes again. In building a walking robot, how important is it to control the motion of all legs simultaneously? Seems like that pulsing one at a time creates the (...) (26 years ago, 17-Jul-98, to lugnet.robotics.handyboard)
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| | SPI problems
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I am trying to connect my Handyboard with a Motorola 68HC11A1FN chip inside with a AD7858L- 12-bit ADC. In my IC code I first write to the DDRD (Port D Data Direction Register) ($1009) and activate SCK(bit4), MOSI(bit3), MISO(bit2). Then I write to (...) (26 years ago, 16-Jul-98, to lugnet.robotics.handyboard)
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| | Re: Handyboard/RWP without p-code
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Hi I suggest that you contact ImageCraft. (URL) or info@imagecraft.com They have a C compiler for 68HC11 CPU's that will do what you want, including a library for the HandyBoard (see attached e-mail) ! I have no affiliation with ImageCraft (other (...) (26 years ago, 16-Jul-98, to lugnet.robotics.handyboard)
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