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Re: VSDRIVE stand alone host (no pc) thread
Il giorno sabato 6 ottobre 2012 21:03:55 UTC+2, Kevin ha scritto:
> On Saturday, October 6, 2012 1:16:32 PM UTC-5, Riccardo wrote:
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> > Il giorno venerdì 5 ottobre 2012 15:58:47 UTC+2, Riccardo ha scritto:
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> > > > > Why did not you use the external disk port of //c ?
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> > > > > You simple modify the hardware of external floppy disk drive.
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> > > > > Ric.
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> > > > my C does not have smartport, so in order to do that I would need to emulate a dumb floppy drive off the back, I have been working on that very slowly, but it requires perfect timing, and then you are limited to 140k images
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> > > Disk II port already have the power supply (+-12 V) and (0+5 V), and the 140k limitation could be overstep by software, i think.
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> > > Ric.
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> > Disk controller unit (IWM) <==> D-19 pin connector <==> uC (Arduino)
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> > IWM provide synchronous and asynchronous modes.
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> > IMW Pinouts Cable Pinouts
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> > 8 19 WRDATA The serial data output <----> In line uC
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> > 22 18 RDDATA Serial data input line <----> Out line uC
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> > 21 10 WRPROT Write-protect input <----> Out line uC
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> > Power <---> +-Vcc
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> > GND <---> GND
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> > You think that is it possible to do ?
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> > What do you think about ?
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> > Thanks
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> > Ric.
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> I think its possible, and that is what I have been working on in the past, and some others have taken a crack at it, but your emulating a drive at that point, you gotta keep up with the stepper signals, and keep the data stream in pretty close sync all while dealing with a fat filesystem on the back. OR use a prodos block device which already exist's but is no good to me as my C does not have smartport software in rom.
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> none of this is really on topic though, my intent is to be able to use the ADTpro serial drive software without being hooked up to my pc on the other side of the house. not make a full fledged hard/floppy disk replacement.
I see ..