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How to write char device drivers in Linux?
Started by Ravi on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Have a look at some of the really simple standard ones - "null", "zero", "mem", "random", etc as the subsystem APIs (PCI, USB... .
HTH, flokra
My on drivers.
Helped me a lot.
Read this book: Linux Device Drivers published by O'Reilly.
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Hi All ,
I am very enthusiastic in writing device drivers for a microcontroller(like PIC, Atmel etc). Since I am a newbie in this controller-coding-area I just want to know whether writing device drivers for controller is same as we write for linux( or...
Started by Chaithra on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You basically have to read whatever interface it might use... .
Most MCUs won't have to fit into any device driver paradigm that an O/S has defined.
Writing a device driver for an MCU is a pretty far cry from writing it for a OS.
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I re-installed Windows 7 and I currently have 2 Base System Devices with a yellow exclamation which means its unrecognized and the drivers for it are missing.
Windows update has been unable to find the missing drivers for the device and i can't figure...
Started by Rogue on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at superuser):
This is located under the Input Device Drivers Category Extractor) and look for the following subdirectories and install the driver manually via the device drivers, it....
Enhances the pointing device features.
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I have a USB device (USB to RS-232) that works on some computers without drivers but not on others. This is a problem because I don't have the drivers disk for it nor any info on who made it.
Are there any tools that will tell me what kind of device it...
Started by BCS on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
A list of the information you need in order to try to track down a source for drivers:
USBDview USBView SniffUSB Bus relative of the....
Edition.shtml
It will give you all kinds of info about devices that are present without drivers.
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I'm looking for an exhaustive, university-level book or guide to study in order to gain the ability of writing Mac OS X device drivers. I'm totally ignorant on this OS, but I'm already skilled on Linux.
Is there any Mac OS X counterpart for book "Linux...
Started by AlberT on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
It's the best general resource on OS X internals that I know of, but it doesn't cover .
Probably the best overall and drivers.
On Hardware & Drivers here in particular a Getting Started document here .
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I'm trying to estimate, for back-of-the-napkin calculation purposes, how many different device drivers are available for Windows. I'm trying to understand what it might take in terms of size of collected data and processing power what would be required...
Answer Snippets (Read the full thread at stackoverflow):
Driverguide.com has a little more than 1.5 million drivers and....
And that driver is counted five times, since each is different.
That a given device may have a driver for Windows 2000, XP, Vista, Server 2003, and Server 2008.
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I would like to learn how to write device drivers because I think it would be fun. I use a Mac OS X Macbook, but I also have an Ubuntu machine (running on a Mac Min). I am pretty familiar with C and currently am reading this book . I have found some links...
Started by apphacker on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
If you want to go for Linux device driver development, the ....
Take a look at Linux Device Drivers, 3rd Edition - it's lighter (free PDFs online :) and is really device driver-oriented, might be a better start.
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I have a situation where I need to write some unit tests for some device drivers for embedded hardware. The code is quite old and big and unfortunately doesn't have many tests. Right now, the only kind of testing that's possible is to completely compile...
Started by Noufal Ibrahim on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
The application can either initialize the device driver the same way the target OS does, or use if you're writing a serial....
The very best way to debug testing.
In the old days, that was how we tested and debugged device drivers.
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How can I determine how much memory each device driver is consuming? I'm assuming this can be done with some Win32 or .NET API, but I just haven't been able to determine which.
Started by fatcat1111 on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
I doubt detours can be used....
Finally the fact that you wish to do this for device drivers takes it one step further.
The larger difficulty is in determining how to tag memory the orginator .
The image size of the device driver.
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This is related to this question .
I'm not an expert on Linux device drivers or kernel modules, but I've been reading "Linux Device Drivers" [O'Reilly] by Rubini & Corbet and a number of online sources, but I haven't been able to find anything on this...
Started by Die in Sente on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
It has.
When userspace calls syscalls on a device provided by the KM).
In user context as well (eg.
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