Date: Tue, 14 Oct 2008 19:38:49 +0000 From: "Wojciech A. Koszek" <wkoszek@freebsd.org> To: "Bruce M. Simpson" <bms@incunabulum.net> Cc: freebsd-embedded@freebsd.org Subject: Re: Recommendations for PC based logic analyzer / grabbers? Message-ID: <20081014193849.GA16758@FreeBSD.org> In-Reply-To: <48F45A8F.8050609@incunabulum.net> References: <48F45A8F.8050609@incunabulum.net>
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On Tue, Oct 14, 2008 at 09:38:39AM +0100, Bruce M. Simpson wrote: > Does anyone know of a good, inexpensive source for PC-based logic analyzers? > > Don't need full PCI capture, full state analysis, or anything like that: > being able to look at peripheral buses, e.g. a CFI flash parallel bus, LPC, > ISA, i2c, and/or 10/100Mbit MDIO interfaces would be most useful. > > This guy has covered some of the grabber bases, however being able to get > at really small arbitrary layouts e.g. with miniature pogo pins would be > even better: > http://www.knjn.com/ShopCablesProbing.html > > I see a lot of Chinese USB2 based stuff popping up on eBay. Trouble is of > course, they require Windows, and they don't have grabbers I can easily > attach to hardware with the probe cables. > > Trouble with MiniLA is, whilst the designs are public, no one seems to be > manufacturing them. I found Tony Bybell, the maintainer of GTKWave, is > responsive and helpful to queries. My needs are exactly the same. So I'm willing to see any recommendations as a responses to your mail. If any of you have any expirience with PC-based PCI/USB oscilloscopes which are student-affordable, please share as well. Ideally, it would be a hardware being able to measure signals up to 50-60Mhz. I did however a bit of Googling and this was one of the most interesting devices: http://www.pctestinstruments.com/ Unfortunately, this product works only under Windows and the company's response about any kind of support for POSIX-compliant systems was *very* strong "NO". They claimed they have several clients working with their product under Wine and VMWare. -- Wojciech A. Koszek wkoszek@FreeBSD.org http://people.freebsd.org/~wkoszek/
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