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I implement these Linux Kernel/Driver programs independently.

  • 01_mprobe_and_generanl_driver:

    • A kernel module uses hashtable and synchronization
    • A mprobe module can debug the previous kernel module.
    • Both parts have testing programs and README.

  • 02_Concurrent_HC-SR04_miscdeivces:

    • Two HC-SR04 driver instances registered through miscdevice are equipped with two modes of one-shot and periodical sampling. This kernel module can operate two HC-SR04 sensors in the same time.

  • 03_Concurrent_HC-SR04_SYSFS_Platform_Drivers:

    • This part exports HC-SR04 module to the SYSFS interface as well as Linux Platform Driver interface within PCI mechnaisms.

  • 04_barrier_driver_module:

    • I implemented the Barrier through kernel driver module. This module should be used through open/read/write/close POSIX intferface.

  • 05_barrier_system_call:

    • I implemented the Barrier through three system calls.
    • barrier_init(int count, unsigned int* barrier_id)
    • barrier_wait(int barrier_id)
    • barrier_destroy(int barrier_id)
    • For efficient development and quick debugging, I also provide a driver module (04_barrier_driver_module) in same logic of this synchronzation.
    • For system call and driver module, I also support testing programs.