 | | Re: Interrupt for serial data
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I have been using very successfully for two months now, the code in the attached zip file. It has Interrupt Driven Transmit & Receive functions, both are buffered. I found the code easy to adapt for my specific task. Messages can be "Canned", Fixed, (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | Re: Interrupt for serial data
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I have been using very successfully for two months now, the code in the attached zip file. It has Interrupt Driven Transmit & Receive functions, both are buffered. I found the code easy to adapt for my specific task. Messages can be "Canned", Fixed, (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | Digital input cct
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Hi there, I'm in the middle of building a handyboard and I'm having a lot of problems. I'm on part 7.2 (Digital Input cct) and the testdigitals(); function in hbtest.c doesn't respond to the start button. All the chips and RP1 are installed properly (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | Re: pa7 9600 serial output
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(...) You have to re-write the bit_delay loop to take up four times as much time. Just multiply the delay count value by four, e.g., "LDAB #148". Fred (following is the 9600 code.) * take up 0.1042 millisecs * 208 cycles bit_delay LDAB #37 bit_loop (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | using the MC34064 LVI
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Hello, This is a warning for anyone considering using the Motorola MC34064 to replace the DS1233. I have just built a couple handyboards and I had some problems getting them working. I finally tracked the problem done to the LVI. I used the MC34064 (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | Measuring PW
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Has anyone been able to successfully use Thomas Hauri's PW measuring routines?? For some reason whenever I try to load them they crash my IC. Any thoughts?? Joshua Stark j-stark@uiuc.edu Aspiring Computer Engineering Major (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | L293D
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where does the pwm go? ...the "cs" or the "in" pins? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science and (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | Speech Synthesizers
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I am wanting to add speech to the Handy Board. I am currently looking at interfacing a SPO256-AL2 speech synthesizer chip and have a very limited schematic that came with the chip many years ago. Does anyone have a nice set of schematics for doing (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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| | Infrared port on the HB is not working: need help!
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hello! I pulled out my HB today and rtied playing around with the IR port. it does not work for some reasons. I checked the remotes: they are still transmitting! Here are the steps I took: am I missing a step? 1. loaded sony-ir.icb 2. sony_init(1); (...) (27 years ago, 15-Feb-98, to lugnet.robotics.handyboard)
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| | pa7 9600 serial output
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Hi, I'm trying to interface the FerretTronics Servo Controller Chip FT639, to the handyboard using PA7. How can i modify the pa7_9600.asm file to transmit at 2400 baud? thanks, phet (27 years ago, 15-Feb-98, to lugnet.robotics.handyboard)
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