 | | New use for the HB
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Just thought I'd write a little note to everyone describing how we are using the HB. I've been working with Bloomington High School South in Bloomington, IN. About a year ago they decided to put together a Solar Bike Team to race in the SunRayce in (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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... but I tryed this already and without success. The hbdl loader says "Invalid CONFIG reg (0xFF) Try again" and when I check the eeprom area with PCBUG11, it is already there. I think, the E2 has a special protection for the CONFIG ---...--- Hello (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Trouble with a dalla memory .
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I have assembly a handyboard the last week , and somethings is wromg, and i can find what is the problem. This board have a dallas backed memory , so i dont use the battery pack. The memory can be removed and put in the place a common memory (don't (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 Can't be set
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I had the same problem with an A1, in this case it was stuck at 0x0D. hbdl would NOT set the config, but I was able to do it with dl from Win95 run in full MS-DOS mode. Even this was problematical; dl would invariably hang the computer once or (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Need help finding a A1 chip.
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Try BG Micro, 1-800-276-2206, www.bgmicro.com/ . They have/had a quantity of used A1's for $6.95. You may need to clean/straighten the pins, but so far the ones I bought work. Brett Anthony Research Technician School of Engineering and Computer (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2 Can't be set
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I ran into the same problem. I was unable to set it with any of the utilities for the handyboard. I ended up using my mini-board and its download software to correctly set the register. I don't know why it worked. Andy hobbytec@cas.auracom.com (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Servos
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(...) This won't work, as the servo's require a one-shot, not a variable duty cycle type of pwm (like what comes from the motor drivers on the HB). ie. the width of any given pulse is not consistent, just the overall duty cycle. RC servo's require a (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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Thanks John, but I can't believe that, it must be a way there, to alter the CONFIG register ! Erwin (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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Hi Quinn, You are right, my CONFIG is also at 0xFF and try'd all to alter it but without success. Thanks Erwin. (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 68HC811E2
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Thanks Clancy, but I tryed this already and without success. The hbdl loader says "Invalid CONFIG reg (0xFF) Try again" and when I check the eeprom area with PCBUG11, it is already there. I think, the E2 has a special protection for the CONFIG reg. (...) (26 years ago, 2-Apr-98, to lugnet.robotics.handyboard)
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