this repository contains the code that i have written while learning Linux kernel programming

Device used - Raspberry Pi 3

1. Simple Kernel Module
2. Device Numbers and Device Files
3. Create device file in driver and callbacks
4. GPIO Driver
5. Text LCD Driver
6. PWM Module
7. Temperature Sensor (I2C)
8. Timer in Linux Kernel Modules
9. High Resolution Timer in Linux Kernel Modules
10. Accessing SPI with a Linux Kernel Module (BMP280 sensor again)
11. Using a GPIO Interrupt in a Linux Kernel Module
12. Using Parameters in a Linux Kernel Module
13. IOCTL in a Linux Kernel Module
14. Threads in a Linux Kernel Module
15. Sending a signal from a Linux Kernel Module to an userspace application
16. The poll callback
17. Waitqueues in a Linux Kernel Module
18. Create procfs entries from a Linux Kernel Module
19. Create sysfs entries from a Linux Kernel Module
20. Parse the device tree from a Linux Kernel Module to get the deivce properties of a specific device
21. Device Tree GPIO Driver
22. Device Tree Driver for I2C Device
23. Dynamical memory management in a Linux Kernel module
24. Serial (UART) Driver
25. Industrial IO compatible driver for an ATMEGA I2C ADC
26. Device Tree SPI Driver (IIO compatible driver for Atmega SPI ADC)
27. Misc Device
28. Mutex for exclusive access to shared resource
29. Completions for synchronisation
30. Direct Memory Access (DMA) memcopy example