LINUX DEVICE DRIVERS 3rd edition phần 10 pps

... 322 NuBus, 324 PC /104 and PC /104 +, 322 SBus, 323 searching, 326 VLB, 323 pci_bus_type variable, 392 PCI_CLASS variable, 400 PCI _DEVICE macro, 310 PCI _DEVICE_ CLASS macro, 310 PCI_DMA_FROMDEVICE symbol, ... sysfs operations, 371–375 lifecycles, 391–397 Linux Documentation Project web site, 576 Linux Trace Toolkit (LTT), 105 linux- kernel mailing list, 12, 299 LINUX_ VERSION_CODE...

Ngày tải lên: 09/08/2014, 04:21

... system. ,ch10 .108 47 Page 263 Friday, January 21, 2005 10: 54 AM This is the Title of the Book, eMatter Edition Copyright © 2005 O’Reilly & Associates, Inc. All rights reserved. 258 Chapter 10 CHAPTER ... with interrupts. ,ch10 .108 47 Page 258 Friday, January 21, 2005 10: 54 AM This is the Title of the Book, eMatter Edition Copyright © 2005 O’Reilly & Associates, Inc. All ri...

Ngày tải lên: 09/08/2014, 04:21

... device, control how that single device looks to the host computer as a USB device. As the term “USB device drivers is very confus- ing, the USB developers have created the term “USB gadget drivers ... -> / / /devices/pci0000:00/0000:00:0f.0 | 0000:00 :10. 0 -> / / /devices/pci0000:00/0000:00 :10. 0 | 0000:00:12.0 -> / / /devices/pci0000:00/0000:00:12.0 | 0000:00:13.0 -> /...

Ngày tải lên: 09/08/2014, 04:21

... idVendor/idProduct/bcdDevice that specifies those USB device- specific fields TYPE A string in the format bDeviceClass/bDeviceSubClass/bDeviceProtocol that speci- fies those USB device- specific fields If the bDeviceClass ... the usual pair of functions: int device_ create_file(struct device *device, struct device_ attribute *entry); void device_ remove_file(struct device *dev, st...

Ngày tải lên: 09/08/2014, 04:21

... the third edition of Linux Device Drivers. The kernel has changed greatly since this book was first published, and we have tried to evolve the text to match. This edition covers the 2.6 .10 kernel ... writing drivers for PCI devices, and Chapter 13 examines the API for working with USB devices. With an understanding of peripheral buses in place, we can take a detailed look at the...

Ngày tải lên: 09/08/2014, 04:21

... -f /dev/$ {device} [0-3] major=$(awk "\\$2= =\"$module\" {print \\$1}" /proc/devices) mknod /dev/$ {device} 0 c $major 0 mknod /dev/$ {device} 1 c $major 1 mknod /dev/$ {device} 2 ... option. CONFIG_INPUT_EVBUG This option (under Device drivers/ Input device support”) turns on verbose log- ging of input events. If you are working on a driver for an input device, this...

Ngày tải lên: 09/08/2014, 04:21

... scull_nr_devs; i++) { scull_devices[i].quantum = scull_quantum; scull_devices[i].qset = scull_qset; init_MUTEX(&scull_devices[i].sem); scull_setup_cdev(&scull_devices[i], i); } Note that ... implementing device control this way is that the user can control the device just by writing data, without needing to use (or sometimes write) programs built just for configuring the dev...

Ngày tải lên: 09/08/2014, 04:21

... 2005 10: 47 AM This is the Title of the Book, eMatter Edition Copyright © 2005 O’Reilly & Associates, Inc. All rights reserved. 210 | Chapter 7: Time, Delays, and Deferred Work #include < ;linux/ delay.h> void ... discussion of device methods. static int scull_c_release(struct inode *inode, struct file *filp) { /* * Nothing to do, because the device is persistent. * A `re...

Ngày tải lên: 09/08/2014, 04:21

... below require a pointer to a struct device. This structure is the low-level representation of a device within the Linux device model. It is not something that drivers often have to work with directly, ... that describes your device. For example, it can be found as the dev field in struct pci _device or struct usb _device. The device structure is covered in detail in Chapter 14....

Ngày tải lên: 09/08/2014, 04:21

... for fiber-channel devices, alloc_fddidev (< ;linux/ fddidevice.h>) for FDDI devices, or alloc_trdev (< ;linux/ trdevice.h>) for token ring devices. snull could use alloc_etherdev without ... Writers of drivers for other types of devices may want to take advantage of one of the other helper functions, such as alloc_fcdev (defined in < ;linux/ fcdevice.h>) for fiber-channel de...

Ngày tải lên: 09/08/2014, 04:21