Re: TI-H: TI Keyboard


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Re: TI-H: TI Keyboard




I've made a version for the 92 that doesn't need a driver...  Only problem
is that you shake the circut and it doesn't work anymore...  Time to
debug...

Grant

>I was thinking about the keyboard thingie that grant developed and i
>realized that the only thing stopping the keyboard was a lack of drivers.
>I was thinking that the AVR that the keyboard plugs into could be written
>to send out 1 byte for each key pressed, and the AVR would handle the
>shift and caps and such and then just send the byte to the calc. if no
>keys are pressed, then the avr sends out 0, and the calc just waits for a
>byte that is not 0. would this work? i originally thought of doing
>something like having boolean vars for SHIFT and CAPS and such on the
>calc, but then i thought that it would get too complicated for the calc
>and it would be better off in the AVR, and i also realized that 1 byte
>could cover more keys than needed (256 keys). then the keyboard tsr on the
>calc would check the byte and compare it to the keys it has (you get my
>drift?) and then just write it to the keyboard buffer, then calc ROM would
>take over from there. would this work? If it would work, then i would be
>more than happy to learn zshell/usgard just for this. i need to start
>anyways.
>
>
>FUZZ
>I Don't See Why Not
>-------------------
>listen.to/yankovic
>ICQ: 3512251




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