[DIY] Tube/Prisma USB Adapter from USB Blockerupter

[novak@gekkoscience]

When I run cgminer-main 4.9.0 for windows with argument --bet-clk 25 I get "unrecognized option".

Hmm?  I thought Cgminer supported the tube/prisma after 4.7.0.

Novak, What version exactly are you using?  Where did you download it from or did you compile it yourself? This is weird.

I ran the standard 4.6.0 (custom ASICMiner version) and 4.7.1 on windows, and compiled 4.7.1 on linux.  I didn't bother setting bet-clk, though.

I have seen that 'unexpected value 00' error you mentioned, either when the resistor was not in place or there was some other issue with signal integrity.  Basically, it means the chip is doing ok but can't get the right data from the UART.  If it is a software problem... Then that means that it is not reading the expected data from the USB port.

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novak

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[helipotte]

I have a 1K resistor installed on the RX side to 3V3 as a pull-up.  It worked when I used a R-pi with raspbian.  As far as the Bet-clk, It sets frequency and is listed in the

readme as a valid command.  Strange it does not work.

[novak@gekkoscience]

I have a 1K resistor installed on the RX side to 3V3 as a pull-up.  It worked when I used a R-pi with raspbian.  As far as the Bet-clk, It sets frequency and is listed in the

readme as a valid command.  Strange it does not work.

Very.  I don't know what would be the issue with that.  First thoughts (without being able to take a look at anything, obviously) would be:

Perhaps the resistor is loose and it worked once but not again?  Unlikely, I suppose, depending on the quality of the soldering (which I can't see), and depending on how many times you were able to repeat success.  I have seen this error on a bad UART that came with RX and TX bridged.

Perhaps there's something else up, for instance, if you have an unpowered board connected to the UART (3-wire white data cable) you get that error.  Perhaps there's something weird such as the boards are addressed out of order a bit and it works on one system but the other gets confused.

It could be software, possibly, since not accepting --bet-clk does sound weird.  I have no experience compiling cgminer on windows, but it sounds as though you did everything right.

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novak

[helipotte]

Got it working!  Turns out my compiled version of cgminer is a dud.  The Binaries created by Ckolivas do not support the tube/prisma even though the readme indicates

this.

https://bitcointalk.org/index.php?topic=28402.msg9999876#msg9999876

Hmm.  He posted a link to the binary that does though.

Thanks for all your help novak.

[novak@gekkoscience]

Got it working!  Turns out my compiled version of cgminer is a dud.  The Binaries created by Ckolivas do not support the tube/prisma even though the readme indicates

this.

https://bitcointalk.org/index.php?topic=28402.msg9999876#msg9999876

Hmm.  He posted a link to the binary that does though.

Thanks for all your help novak.

That's good!  How well does it work with windows 7? A few people have asked about using it but I always use linux, and had terrible results with windows XP.

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novak

[helipotte]

So far works just as well as the included controller.  I will post back here in a couple of days.