Hisense REX OS Reference Manual

About this manual

This reference manual describes the REX OS API used in Hisense mobile devices. It includes function prototypes, parameter descriptions, and return values for core OS services such as task creation, priority handling, and system initialization.

The document is organized into sections covering each API function (e.g., rex_init, rex_def_task, rex_set_pri) with purpose, parameters, and usage notes, plus a brief preface and common‑questions list for developers.

What's inside

• Preface
• Contents
• API Overview
• rex_init Function
• rex_def_task Function
• rex_set_pri Function
• rex_task_pri Function
• rex_get_pri Function
• Common Questions

Frequently asked questions

How do I initialize the REX OS?

Call the rex_init function with the required stack, task control block, and parameter arguments.

How can I set a task's priority in REX OS?

Use the rex_set_pri function, passing the desired priority value as an unsigned long.

How do I retrieve the current priority of a task?

Call rex_get_pri, which returns the task's priority as an unsigned long.