Ingen lysbildetittel - Department of Computer and Information Science

More documents

Recommendations

Info

16 Limits • Standard library is not available • I.e. No printf • Linux kernel version: printk • Printk(KERN_INFO ”i = %d\n”, i); • Printk(KERN_ALERT ”Minor damage\n”); • dmesg (”display message” or ”driver message”, command that prints the message buffer of the kernel)
17 Startup and shutdown of the module • Create functions (interface between kernel and module): – static int __init foobar_init(void); //allocate, initialize – static int __exit foobar_exit(void); //deallocate • Register it with: – module_init(foobar_init); – module_exit(foobar_exit); • Init function is called when the module is loaded and exit function when it is removed
Page 1 and 2: 1 Tutorial Lecture for Exercise 3 T
Page 3 and 4: 3 Exercise 3 • Deadline: Friday 2
Page 5 and 6: 5 The Scorched Land Defence Use you
Page 7 and 8: 7 LINUX on STK1000 • Use SD card
Page 9 and 10: 9 IO devices in Linux • IO device
Page 11 and 12: 11 Compiling new kernel • Source
Page 13 and 14: 13 Audio • Write audio data to /d
Page 15: 15 Creating drivers • 1st source
Page 19 and 20: 19 File functions • The driver co
Page 21 and 22: 21 Use of hardware (I/O ports) •
Page 23 and 24: 23 Loading and removal of the modul
Page 25 and 26: 25 Tips • Start early. Biggest ex

Ingen lysbildetittel - Department of Computer and Information Science

Create successful ePaper yourself

Delete template?

Save as template?