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Bitcoin / Mining software (miners) / Re: BTCMiner - Open Source Bitcoin Miner for ZTEX FPGA Boards, 215 MH/s on LX150

on: January 18, 2013, 01:56:04 PM

Remember its a linux machine, no script processor If you use the RPI exclusively for the ZTEX boards: create cronjob that runs a shutdown -r every 3 or 6 hours. If also other tasks are running then create cronjob which applies a kill -9 on the BTCMiner task and restart it. Of course you can use the same RPI to run a stratum-proxy, configure it for your favourite pools and point the BTCMiner to localhost instead of the pools ip(s).

Bitcoin / Mining software (miners) / Re: BTCMiner - Open Source Bitcoin Miner for ZTEX FPGA Boards, 215 MH/s on LX150

on: December 19, 2012, 07:43:00 AM

Quote from: lenny_ on December 18, 2012, 12:55:07 AM http://blog.villekangas.com/?p=23 Thanks lenny! Not the newest source (August) but this is working fine.

Bitcoin / Mining software (miners) / Re: BTCMiner - Open Source Bitcoin Miner for ZTEX FPGA Boards, 215 MH/s on LX150

on: December 15, 2012, 10:03:50 PM

Is this USB-related? Im more the hardware guy... "Possible cause: can't load IA 32-bit .so on a ARM-bit platform" For me this sounds as if this or all all libraries must be 64bit. For better stability i use on the raspberrys hardware watchdog, if the system hangs for more than a few seconds it will be hard-resetted. Software errors can be caught by a cronjob which is checking if the miner is running, otherwise starting it.

Bitcoin / Mining software (miners) / Re: BTCMiner - Open Source Bitcoin Miner for ZTEX FPGA Boards, 215 MH/s on LX150

on: December 15, 2012, 07:25:56 PM

Has anyone tried to port the BTCMiner to ARM-architecture? When i try running the .jar on the raspberry pi and OpenJDK Runtime Environment (IcedTea7 2.3.2) i get this error:

Code:

Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/libusbJavaSt.so: /tmp/libusbJavaSt.so: cannot open shared object file: No such file or directory (Possible cause: can't load IA 32-bit .so on a ARM-bit platform)
        at java.lang.ClassLoader$NativeLibrary.load(Native Method)
        at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1935)
        at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1860)
        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1821)
        at java.lang.Runtime.load0(Runtime.java:792)
        at java.lang.System.load(System.java:1059)
        at ch.ntb.usb.LibLoader.load(LibLoader.java:69)
        at ch.ntb.usb.LibusbJava.<clinit>(LibusbJava.java:389)
        at BTCMiner.main(BTCMiner.java:2044)

It would be very nice to run the very energy efficient Ztex-boards with a 5 Watt pc Wink

What confuses me: Why is a port needed, I always thougt java bytecode is platform independent?

Other / Beginners & Help / Re: WHY CANT I POST NEW TOPIC OR REPLY ANYWHERE APART FROM HERE!!!!!!!!!!!!!!

on: December 10, 2012, 02:11:06 PM

Quote from: lightlord on December 10, 2012, 11:48:38 AM After you reached your 4 hours and 5 posts you'll be hot and ready to go! Have to tell this to my girlfriend this evening.

Other / Off-topic / Re: Let's Count to 21 Million with Images

on: December 10, 2012, 01:58:07 PM

Other / Off-topic / Re: Let's Count to 21 Million with Images

on: December 09, 2012, 10:35:27 AM

Other / Beginners & Help / Re: Why are you still mining?

on: December 03, 2012, 12:46:01 PM

Quote from: Kinetics on December 03, 2012, 10:43:36 AM The problem with solar mining is you have 1/3 of a day of good sun and lose 1/3 of your watt capacity to losses during the charging your batteries. So if you had 100 watts worth of panels it could only drive about ~20 watts 24/7 assuming no bad weather. (however maybe in the future you could get a few gigahashes with just 20 watts) Mhh, imagine if you get 100 servings of icecream for free BUT you have to give away 20 servings to others, you still have 80 for you to eat, right?. Eat these 80 and be happy instead of grumbling.

Other / Beginners & Help / Re: Why are you still mining?

on: December 03, 2012, 09:08:51 AM

Quote from: super3 on December 02, 2012, 05:00:42 PM All this talk about electricity usage I'm wondering if anyone has a "green mining rig." All I can imagine is a bunch of ASICs hooked up to some solar panels. Of course there are green mining rigs To power one 220 MH/s FPGA from ztex you need 10Watts which you may easily harvest with one 50WP solar module even in european wintertime. In summertime its possible to to run this FPGA 24hours with one battery buffered 50WP module, in wintertime the energy harvested by such a module is enough for powering 2-4 hours a day, the rest has to be payed...

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