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by RAThomas
Wed Jun 27, 2012 1:54 am
Forum: Troubleshooting
Topic: Problem with network eth0: kevent 0
Replies: 8
Views: 2115

Re: Problem with network eth0: kevent 0

The 700 mA supply might be marginal (just from what I've read), but I've been having similar problems. I'll start another thread for my problems, assuming I don't first find a thread that matches completely, but here's some info on my problems: 5VDC phone charger power supply, rated at 1000 mA with ...
by RAThomas
Wed Apr 25, 2012 6:32 pm
Forum: Other projects
Topic: Linux device drivers for Rapberry Pi on-board I/O
Replies: 97
Views: 42339

Re: Linux device drivers for Rapberry Pi on-board I/O

<t>I'm a driver guy from the I2C thread mentioned earlier and must admit I haven't looked at my driver code for at least a week.  I'm in the same boat as others here in that I don't have a Pi ... my order might go through by the end of June, but who knows.  The driver task looks fairly straight-forw...
by RAThomas
Fri Apr 13, 2012 2:38 pm
Forum: Other projects
Topic: I2C bus - anyone planning to use it?
Replies: 30
Views: 15460

Re: I2C bus - anyone planning to use it?

<t>Is there anyone already working on developing a driver for the Broadcom BSC?  I'm looking into morphing an existing i2c driver into one to support the BSC and while it doesn't look like an onerous task, but I'd hate to spend time on redundant work.<br/> <br/> If I am the only one looking at this ...
by RAThomas
Sat Feb 25, 2012 3:18 am
Forum: Other projects
Topic: RPi in Linux Mainline Kernel
Replies: 22
Views: 3104

Re: RPi in Linux Mainline Kernel

<t>It's been a matter of (somewhat bad) news in the kernel community that with the proliferation of ARM devices implementing Linux OE's, each within their own realm, getting patches to the kernel has been problematic.  Some because of platform issues, leading to questions like "do we need this in th...
by RAThomas
Sat Feb 25, 2012 2:39 am
Forum: Other projects
Topic: I2C bus - anyone planning to use it?
Replies: 30
Views: 15460

Re: I2C bus - anyone planning to use it?

<t>mistertransistor said: <br/> <br/> <br/> <br/> Anyone else wanting to use I2C devices?<br/> <br/> Andrew<br/> <br/> <br/> Oh, yes.  Sparkfun (and others, I"m sure) have some nice, small accelerometers, electronic gyros and other sensor modules for sale (big in the Arduino arena) that talk via I2C...
by RAThomas
Fri Feb 24, 2012 10:26 pm
Forum: Other projects
Topic: Software Defined Radio
Replies: 61
Views: 23319

Re: Software Defined Radio

<t>Not SDR related, but still ham related: I'm kicking around using the R-Pi in an FRS/GPRS radio hack where I hijack the existing tuner-IC-to-microcontroller serial link (among other signals) to wind up with a programmable radio for at least the 70 cm band.  Granted, applying a microcontroller to t...
by RAThomas
Fri Feb 24, 2012 5:21 pm
Forum: General discussion
Topic: Re: Sad about removal of I2S. Why was this change made?
Replies: 76
Views: 38146

Re: Sad about removal of I2S. Why was this change made?

<t>speedevil said: <br/> <br/> <br/> Tomo2k said: <br/> <br/> <br/> As Gert said, this is by far the best way to do 'real' motor control.<br/> <br/> Closed-loop control of speed and especially position simply can't* be done accurately under any 'normal' operating system like Linux or<br/> <br/> <br/...

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