Is C worth the effort? Post: 302905437

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Top Forums Programming Is C worth the effort? Post 302905437 by wisecracker on Wednesday 11th of June 2014 01:52:56 PM

06-11-2014

Registered User

Hi dryPants...

Quote:

Do you have some other good advices for me?

Yes. Python is a very strict language and has libraries for just about anything that anyone in the coding industry is likely to encounter.

Before deciding to hammer any hardware, (and yes I have done much in this area), experiment coding for something less likely to cause you serious headaches.

Once you feel confident try experimenting with an Arduino, USB type, as an example.

In *NIX flavours it is easy to R/W from/to even with shell scripting. I have uploaded much code to do this mainly in Python for multi-platform use, (including a serial port stock AMIGA A1200 with HW mods to the USB Arduino), I love "banging the metal"...

I personally love assembly but........
......don't expect to get to Ring 0 directly in current OSes you WILL have serious headaches finding that you can't. The days of MS-DOS where BIOS and other assembly access and calls are long gone.

Study things like ISA, PCI bus design and limitations as examples then progress to current technology. I studied the PCI slot for months only to realise my limitations at home built hardware was way beyond any beginners scope.

Hope this helps...

wisecracker

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LEARN ABOUT DEBIAN

vusb-analyzer

VUSB-ANALYZER(1)					       Virtual USB Analyzer						  VUSB-ANALYZER(1)

NAME

       vusb-analyzer - tool for visualizing logs of USB packets

SYNOPSIS

       vusb-analyzer [OPTIONS] LOGFILE [LOGFILE...]

DESCRIPTION

       The  Virtual  USB Analyzer is tool for visualizing logs of USB packets, from hardware or software USB sniffer tools. It's the world's first
       tool to provide a graphical visualization along with raw hex dumps and high-level protocol analysis.

       The Virtual USB Analyzer is not itself a USB sniffer tool. It is just a user interface for visualizing logs. It currently supports two  log
       formats,  but  it's designed to be easily extensible. With a couple hundred lines of Python code, you can add support for your favorite log
       format.

       The Virtual USB Analyzer was developed at VMware as an efficient way to debug their own USB virtualization stack. They wanted a	tool  that
       made  it easy to see problems at a glance, and they wanted a way to solve both correctness and performance bugs. As a result, they ended up
       with what they think is a fairly unique tool. They're excited to have the opportunity to release this tool as open source software.

       Supported Log Formats

       * Logged USB traffic from debug builds of VMware Fusion, Workstation, or Player. See the tutorial for information on capturing such a log.

       * XML logs from the Ellisys USB Explorer 200, a hardware USB 2.0 analyzer.

       Features

       * Unique graphical timeline view.

       * Side-by-side diff mode: visually compare two log files.

       * Pluggable log format modules: VMware, Ellisys.

       * Pluggable protocol decoders: USB Chapter 9, Bluetooth, Storage, Cypress FX2.

       * Packet metrics and filtering tools.

       * Whole-bus analysis: analyze multiple devices concurrently.

       * Written in Python, with a GTK+ user interface.

       * Automatic "tail -f" mode: follow log files as they grow.

       * Loads large log files in the background. You can start browsing before the whole file is loaded into memory.

       * Automatic decompression of gzipped log files.

OPTIONS

       -t  Tail mode, start from the end of a growing log file.

HOMEPAGE

       More information about vusb-analyzer, including a tutorial and sample logs, can be found at <http://vusb-analyzer.sourceforge.net/>.

AUTHOR

       vusb-analyzer Micah Dowty <micah@vmware.com>.

       This manual page was written by Daniel Baumann <daniel@debian.org>, for the Debian project (but may be used by others).

1.0								    2009-05-17							  VUSB-ANALYZER(1)