Write your own operating system

Handwriting an embedded operating system from scratch

• Chapter 1：Write your own operating system (5 minutes and 46 seconds)

• Chapter 2：Operating system related concepts (6 minutes and 33 seconds)

• Chapter 3：Advanced OS Features (3 minutes and 34 seconds)

• Chapter 4：Time Slice Rotation and Context Switching (5 minutes and 35 seconds)

• Chapter 5：Operating system and resource scheduling (2 minutes and 53 seconds)

• Chapter 6：Resource Scheduling and Resource Competition (4 minutes and 17 seconds)

• Chapter 7：Interrupts and Real-Time Operating Systems (6 minutes and 37 seconds)

• Chapter 8：Summary of operating system concepts (5 minutes and 17 seconds)

• Chapter 9：STC microcontroller memory structure (3 minutes and 52 seconds)

• Chapter 10：The principle of switching program execution order (5 minutes and 19 seconds)

• Chapter 11：Declare the stack pointers and task stacks of two tasks (8 minutes and 23 seconds)

• Chapter 12：Define the loadtask function of the operating system (13 minutes and 3 seconds)

• Chapter 13：By modifying SP, you can modify the called function (8 minutes and 1 seconds)

• Chapter 14：Implementation of task scheduler (10 minutes and 20 seconds)

• Chapter 15：Context confusion problem in task switching (10 minutes and 13 seconds)

• Chapter 16：Multi-tasking access to peripheral operations (9 minutes and 47 seconds)

• Chapter 17：Why does a 1 second delay result in a 2 second sleep problem? (6 minutes and 47 seconds)

• Chapter 18：Use hardware delay to implement the sleep function (19 minutes and 49 seconds)

• Chapter 19：Periodic time slice rotation (5 minutes and 50 seconds)