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RL-ARM User's Guide
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 RTX Kernel Basic RTX Configuration Tasks Stack Size Stack Checking Run in Privileged Mode Hardware Timer Round-Robin Multitasking User Timers FIFO Queue Buffer Error Function Idle Task Advanced RTX Configuration HW Resources Required Configuration Macros Library Files Using RTX Kernel 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 ARM Version Cortex 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 AppendixSystem Resources
RTX kernel tasks are identified by their Task Control Block (TCB). This is a dynamically allocated block of memory where all task control and status variables are located. TCB is allocated at runtime when the task is created with the os_tsk_create or os_tsk_create_user function call.
The size of the TCB memory pool is defined in the RTX_Config.c configuration file, and it depends on the number of concurrent running tasks. This is not necessarily the number of defined tasks since multiple instances of a task are supported by the RTX kernel.
The RTX kernel also allocates the task its own stack. The stack is allocated at runtime after the TCB has been allocated. The pointer to the stack memory block is then written into the TCB.
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