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Technical Support
On-Line Manuals
RL-ARM User's Guide (MDK v4)
RL-RTX
Overview
Product Description
Product Specification
Technical Data
Timing Specifications
Advantages
Your First RTX Application
Theory of Operation
Timer Tick Interrupt
System Task Manager
Task Management
Idle Task
System Resources
Scheduling Options
Pre-emptive Scheduling
Round-Robin Scheduling
Cooperative Multitasking
Priority Inversion
Stack Management
User Timers
Interrupt Functions
Configuring RL-RTX
Configuration Options
Tasks
Stack Size
Stack Checking
Run in Privileged Mode
Hardware Timer
Round-Robin Multitasking
User Timers
FIFO Queue Buffer
Idle Task
Error Function
Create New RTX_Config.c
Configuration Macros
Alternate Tick Timer
Low Power RTX
Library Files
Using RL-RTX
Writing Programs
Include Files
Defining Tasks
Multiple Instances
External References
Using a Mailbox
SWI Functions
SVC Functions
Debugging
System Info
Task Info
Event Viewer
Usage Hints
ARM7/ARM9 Version
Cortex-M Version
Create New RTX Application
Function Reference
Event Flag Management Routines
Mailbox Management Routines
Memory Allocation Routines
Mutex Management Routines
Semaphore Management Routines
System Functions
Task Management Routines
Time Management Routines
User Timer Management Routines
RL-FlashFS
RL-TCPnet
RL-CAN
RL-USB
Example Programs
Library Reference
Appendix
Product Specification
RTX Kernel Library can be used with devices based on:
- ARM7 and ARM9
- Cortex-M0/M1, Cortex-M3, Cortex-M4, and Cortex-R4
Cortex-M processor-based devices have extended RTOS features, which allows more robust and fail-proof RTX kernel implementation. The main concept differences are:
- ARM7 and ARM9 versions use the system task manager to control task switches of all user tasks. Tasks are executed in System Mode.
- Cortex-M versions use system calls that are all executed as SVC System Supervisor Calls.
In addition, refer to :
- Technical Data - lists hardware requirements, RAM and code space, number of possible tasks, ...
- Timing Specifications - lists timing measurements (cycles) for various RTX functions.
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