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CMX-RTX(tm)

Real-Time Multi-Tasking Operating System
for Microprocessors, Microcomputers and DSPs


  • Supports nested interrupts
  • No royalties on embedded code
  • All source code supplied
  • Extremely fast context switch times
  • Very low interrupt latency times
  • Several C vendors supported
  • Scheduler and interrupt handler written in assembly for speed and optimization
  • All CMX functions contained in library
  • User configurable
  • Task management
  • Event management
  • Timer management
  • Message management
  • Circular queue management
  • Resource management
  • Semaphore management
  • Fixed block memory management
  • Specialized UART management
  • Automatic power down management
  • Full pre-emption and ability to also have cooperative and time slice scheduling
TASK MANAGEMENT
Create a task.
Remove a task.
Start a task.
Suspend a task, with time-out provision.
Wake a suspended task.
Forcefully wake a task.
Change a task's priority.
Terminate a task early.
Do a cooperative rescheduling.
Disable task scheduling.
Enable task scheduling.

EVENT MANAGEMENT
Wait on event(s), with time-out provision.
Set an event.
Clear an event.


MESSAGE MANAGEMENT
Get a message.
Wait for a message, with time-out provision.
Send a message.
Send a message, wait for reply.
Wake task that sent message, if waiting on reply.
Wait on Mailbox(s), with time-out provision.

QUEUE MANAGEMENT
Create a circular queue.
Reset queue to empty.
Add to top of queue.
Add to bottom of queue.
Remove from top of queue.
Remove from bottom of queue.


TIMER MANAGEMENT
Create a cyclic timer.
Change a cyclic timer event parameters.
Start a cyclic timer.
Restart a cyclic timer.
Restart a cyclic timer, with new initial time period and/or new cyclic time period.
Stop a cyclic timer.


MEMORY MANAGEMENT
Create a fixed block pool.
Request free block from pool.
Release block back to pool.

RESOURCE MANAGEMENT
Get a resource.
Reserve a resource, with time-out provision.
Release a resource.
NOTE: the resources have Automatic Priority Inheritance and highest task waiting on resource will become the owner, when resource is released.

SEMAPHORE MANAGEMENT
Get semaphore.
Pend for semaphore, with time-out provision.
Post to semaphore.
Flush semaphore.

SYSTEM MANAGEMENT
Initialize CMX.
Enter CMX.
Enter interrupt.
Exit interrupt.
Enter power down mode


UART MANAGEMENT
Initialize UART.
Put UART char, with time-out provision.
Put UART string, with time-out provision.
Get UART char, with time-out provision.
Get UART string, with time-out provision.
Update UART buffer(s)
Initialize UART buffer(s)



KERNEL AWARENESS
CMXKAware(tm) kernel awareness.


PRODUCT INFORMATION

CMX Real-Time Multi-Tasking Operating System products support MOST 8, 16, 32 and 64 bit embedded Microcontrollers, Microprocessors and DSPs. We also support more than 30 compiler vendors. Please contact us for further information on any of our products.

See a screen shot of the CMX RTOS Configuration Manager.

Download a CMX Evaluation Package

Call, fax, or e-mail us with any additional questions that you may have.

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