a simple example of a multitasking system for ARM Cortex-M3 made in Zig for SMT32F103

Zig: v0.14.0

This example contains:

• context switching between tasks using PendSV

• a basic syscall with SVCall

multitask functions:

• create_task: creates a task and adds it to the task pool
• yield: switch to next task
• task_sleep: suspends the current task for a period of time
• exit: removes the current task from the task pool
• suspend_task: suspends a current task until it is resumed by another task
• resume_task: resume a suspended task