原创 RealView Real-Time Library（RealView RL-ARM）实时库

特性

产品

RL-ARM
Real-Time Library

MDK-ARM
Real-Time Kernel

特性

Kernel Source Code

V

X

Flash File System

V

X

TCP/IP Stack

V

X

多任务处理

Round-Robin

V

V

Preemptive

V

V

Cooperative

V

V

任务规格

Priority Levels

255

255

Defined Tasks (max)

Unlimited

Unlimited

Active Tasks (max)

256

256

Context Switch Time

< 5 µsec (At 60MHz)

< 5 µsec (At 60MHz)

Interrupt Lock-Out Time

1.8 µsec (At 60MHz)

1.8 µsec (At 60MHz)

Memory Requirements

CODE Space

< 5K Bytes

< 5K Bytes

RAM Space

≈500 Bytes min

≈500 Bytes min

Timers/Signals

Timeouts

V

V

Intervals

V

V

User Timers (max)

Unlimited

Unlimited

Signals

V

V

Signals (max)

16 per task

16 per task

Inter-Task Communication

Semaphores (counting)

V

V

Semaphores (max)

Unlimited

Unlimited

Mailboxes

V

V

Mailboxes (max)

Unlimited

Unlimited

Mailbox Size

Unlimited (Default 20)

Unlimited (Default 20)