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һɰм

Ӳʵʱϵͳ׶ӲHard Real Time System []

Դ ΢Źں

 

RTOSҪأʵʱԣɿԣȫԡǷʵʱϵͳеӲʵʱԡ

ӲʵʱϵͳDZõĽֹʱڶԻе¼Ӧϵͳ

һ֪ʶ

1ʵʱϵͳͷʵʱϵͳļ

1ʱƣÿһЩЩʱһֳʱصޡ ָֹʱɡ
2ȫɿԣرڰȫؼӦá
3ʵʱԣʵʱϵͳͨҪڷdz̺ϸʱ䷶ΧӦ¼
4ؼԣIJͬȫȼʵʱҪ󣬱֤ؼõʱִвҿɿ

кܶԣͲһ һоˡ

2Ӳʵʱǿʵʱʵʱ

RTOSʵʱϵͳص趨ֹʱIJǷʱɴ˲Ϊ֣

Hard real time system Ӳʵʱϵͳ

õĽֹʱڿӦܵģ겻ɣϵͳ

Firm real time system ǿʵʱϵͳ

ǿʵʱԱӲʵʱҪһЩڽֹʱ겻ɣϵͳִС

Soft real time system ʵʱϵͳ

ʵʱǿʵʱһЩڽֹʱûɣȫӰ죬С

RTOSļӲʵʱϵͳ

1VxWorks
https://www.windriver.com/products/vxworks

VxWorksٷVxWorks is a deterministic, priority-based preemptive RTOS with low latency and minimal jitter :
VxWorksȷԣȼռʽRTOSеӳٺС

O1CN01kmjcz31gIY7BWeFCz_!!299314119.png

2QNX

https://blackberry.qnx.com/en

QNXٷ:BlackBerry QNX delivers a time-tested real-time operating system (RTOS) QNXǾþRTOSϵͳQNXսȫгݶҲ

O1CN01w1jVbY1gIY76gjXuN_!!299314119.png

3RTEMS

https://www.rtems.org/

RTEMٷThe Real-Time Executive for Multiprocessor Systems or RTEMS is an open source Real Time Operating System (RTOS) that supports open standard application programming interfaces (API) such as POSIX

˴ʵʱִϵͳֱ֧׼̽ӿPOSIXĿԴʵʱϵͳ

O1CN01cfMf9o1gIY799qMBe_!!299314119.png

4ThreadX

https://docs.microsoft.com/en-us/azure/rtos/threadx/overview-threadx

ٷAzure RTOS ThreadX is Microsoft's advanced industrial grade Real-Time Operating System (RTOS)

Azure RTOS ThreadX ΢ ĸ߼ҵʵʱϵͳ (RTOS) רΪǶʽʵʱӦöơ

O1CN01v1m9DT1gIY752Jxjf_!!299314119.png

5Green Hills

https://www.ghs.com/products/rtos/integrity.html

ɫٷINTEGRITY is a hard real-time operating system that never sacrifices real-time performance for security and protection. INTEGRITY can respond to events in nanoseconds, guaranteed

INTEGRITY һӲʵʱϵͳʵʱ֤ȫͱ INTEGRITY Ա֤Ӧ¼

O1CN01VGbN821gIY756ESFr_!!299314119.png

ɽЩ˵Ծԣ֮ǰSEGGER²۹

Green Hills Software is the only safe RTOS vendorΨһȫRTOSӦ

https://www.ghs.com/WhyChooseGreenHills.html

O1CN01IS0xFI1gIY75hRwCB_!!299314119.png


Ӳʵʱ

ϵͳҪӲʵʱϵͳһϵӲʵʱɡϵͳ̽ϮȷλڣȻڵϮ֮ǰݻ١Щ϶Ӳʵʱģϵͳκһʧܶ޷ɹϮ

ǿʵʱ

ADC + DMA + TIM˫ݲɼʵʱ˲һҪǿʵʱһͨDMA洢ADCڼ䣬һݿȡٻ֮ǰ꣬һݽǡ

ֱDS18B20ֶʱҪȽϸߵģûõʱִУȡǴģǶɣһֶȡ

ʵʱ

GUIӦöʵʱģеӳʲôIJӰ죬ֻԲ㡣ҳȡ

С⣬ӭFPGAͨӲ߼ʵʱϵͳǷӲʵʱϵͳ


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