Linux Device Drivers



Linux Device Drivers Communicating with Hardware | Size: 1.48 GB

Linux Kernel Programming for IO Mapped and Memory Mapped devices
What you'll learn:
IO Mapped IO
Memory Mapped IO
PCI
Kernel Modules for Keyboard and RTC
Requirements
Should be able to write/compile/load/unload Hello World Linux Kernel Modules
Description
What you will learn in this course:
Two modes of communication with hardware - IO Mapped IO and Memory Mapped IO
Kernel Drivers/Modules for IO Mapped IO - Speaker, RTC, Keyboard
Kernel Drivers/Modules for Memory Mapped IO - Hardware Random Generator, GPIO, UART
Accessing IO Mapped IO and Memory Mapped IO from user space
PCI and SMBIOS
API's/Macros/Structures
inb, outb, inw, outw, inl, outl
inb_p, outb_p, inw_p, outw_p, inl_p, outl_p
struct resource, request_region, release_region
ioperm, iopl, geteuid
request_mem_region, release_mem_region, ioremap, iounmap, ioread8, ioread16, ioread32, iowrite8, iowrite16, iowrite32
ioport_map, ioport_unmap,mmap
Files:
/dev/port, /dev/mem, /proc/iomem, /proc/ioports
Commands
hwclock
date
showkey
hexdump
strings
dd
lspci
biosdecode
dmidecode
Who this course is for
Kernel developers curious about learning how to communicate with hardware


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