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ThreadX for ColdFire Thread RTOS

» Download ThreadX Coldfire datasheet (PDF)
 

Express Logic's ThreadX® Real-Time Operating System (RTOS) is available from and supported by Green Hills Software. ThreadX is fully integrated with the Green Hills Software MULTI® Integrated Development Environment, providing Optimizing Compilers, Source Debugger, Graphical Project Builder and many other powerful tools for development of embedded applications


ColdFire Family Supported
  MCF5102
MCF5202
MCF5203
MCF5204		   MCF5206e
MCF5249
MCF5272
MCF5307


Supported IDE
   MULTI For ThreadX

Highlighs
Easy to use and powerful services Responsive Technical Support
Reasonable pricing Size scales automatically
Royalty-Free Low-overhead Application Timers
Complete ANSI C source code   picokernel architecture for size and speed
Flexible memory usage Fast Execution (40 MHz, MCF5307 Board):
- context switch 3.0us
- tx_thread_suspend 3.9us
- tx_thread_resume 3.8us
- tx_thread_relinquish 1.6us
- tx_semaphore_get 1.6us
- tx_semaphore_put 1.2us
- tx_queue_send 2.8us
- tx_queue_receive 2.9us
- tx_event_flags_set 2.2us
- tx_event_flags_get 2.1us
- tx_block_allocate 1.8us
- tx_block_release 1.6us
- tx_byte_allocate 5.4us
- tx_byte_release 2.6us
Unlimited Threads, Queues, Event Flags, Timers,
Semaphores, Block Pools, and Byte Pools		  
Timeout available on all thread suspension  
Advanced preemption-threshold technology  
Small footprint (sizes in bytes):
- Instruction area size 3.3-15K
- Global data area 1-1.7K
- Thread control block 152
- Queue control block 56
- Event Flag control block 32
- Timer control block 44
- Semaphore control block 28
- Block Memory control block 48
- Byte Memory control block 52

  
ColdFire Optimizations
ThreadX optimizes context switching. When context switching occurs inside of a ThreadX service call, only the registers preserved across function calls are saved. This is typically registers a2-a6 and d2-d7. A similar technique is used in interrupt handling. On the front end of interrupt service routines, only the compiler's scratch registers are saved initially (typically a0,a1,d0, and d1). The full register set is saved only if thread preemption is required.
 
Improve Your ColdFire Development
Let our extensive experience with the Motorola ColdFire family of microprocessors help your product development. ThreadX, our high-performance real-time kernel, helps improve your product's quality and its time-to-market. In addition, using ThreadX makes it easier to enhance your product in the future.
 
Easy to Use
ThreadX is designed for ease of use. Our API is designed to be easy to understand, powerful, and consistent. The same is true with our documentation!


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