SWIFTX DETAILS
Interactive Development Environment
SwiftX Features (a)
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Target Hardware and Processors
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ARM ColdFire MSP430 AVR 68HCS08 68K 68HC12 68HC11 8051 i386 69R000 RTX2010
SwiftX™ Features
Configurable, Multitasking Kernel
Simple executable programs can require only a few hundred bytes of target RAM. That's because SwiftX kernels are supplied as source code and are fully configurable — you choose which features to include to support your embedded applications.
Low power requirement? One company modified the SwiftX kernel to put their handheld device into "sleep" mode after only one cycle through the multitasker idle loop, thus using 70% less power than an off-the-shelf "real-time" kernel that was supplied only in binary and was not modifiable.
SwiftX systems include SwiftOS, an extremely fast multitasking executive. Features of SwiftOS include:
- Time-critical interrupt service routines link directly to interrupt vectors with no OS overhead, to ensure fast, deterministic response.
- Non-preemptive task-servicing algorithm utilizes time spent waiting on I/O to maximize service to all tasks.
- Complete context switch in only a few machine instructions.
- Semaphores and global variables support intertask synchronization.
|
|
16-bit CPU |
32-bit CPU |
||
|
|
program |
data |
program |
data |
|
core* |
1628 |
468 |
2902 |
852 |
|
double-precision arithmetic |
513 |
0 |
578 |
0 |
|
multitasker |
436 |
0 |
454 |
0 |
|
drivers** |
1794 |
174 |
1386 |
290 |
|
clock & calendar |
986 |
6 |
722 |
0 |
|
initialization |
225 |
118 |
328 |
154 |
|
total: |
5582 |
766 |
6370 |
1296 |
*representative set of functions.
**serial I/O, XTL on the 16-bit CPU
