 | | SPI header
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| I can control the output on the SPI header (in accordance with the instructions from the FAQ), but I can't figure out how to get the timing right to send a 2400 or 9600 baud signal. Can anyone help me? Is there any code out there that can do this (...) (30 years ago, 27-Oct-95, to lugnet.robotics.handyboard)
| | | | | Re: SPI header
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| The SPI (synchronous peripheral interface) does not do normal RS-232 (aka "asynchronous serial") in hardware. you must write an assembly language driver to do the timing. at some point in january i plan to release a 1200 baud output driver. if (...) (28 years ago, 3-Dec-96, to lugnet.robotics.handyboard)
| | | | | chip selects:
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| Perhaps I have just overlooked this in the documentation for the HB and IC. Is there an easy way to control the chip selects Y*? Are they memory mapped or harder to get to than that? Thanks for the info: patrick (28 years ago, 21-Dec-96, to lugnet.robotics.handyboard)
| | | | | Re: chip selects:
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| (...) They are memory-mapped. See Appendix B of the 6270 Robot Builder's Guide, in the Tech Docs area, for info. -Fred (28 years ago, 21-Dec-96, to lugnet.robotics.handyboard)
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