??????? Introduction to Embedded System

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???????Introduction to Embedded System

• ???? ???
• Mar. 12, 2007

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????

• ???????
• ????????
• ????????
• ????????
• WinCE????
• ?????

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???????

• ??????????
• ??????????
• ????????
• ????????
• ????????

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??????????
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??????????

• ?????????MP3?????
• ????????????
• ??????????????????
• ???????IP????????
• ????PDA???????????
• ???? ?????????????
• ????????????????
• ?????????
• ???????????????
• ????CT?,??????
• ????GPS?????????
• ????????????????

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????????

• ??????????????,?????????,????????,???????????????
  ?????????????
• ???????????????????????????????????,?????????????
  ?,?????????????????????,?????????,????????????????
  ?,???????????????????????

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????????

• ???????,??????????
• 1)?????????????????
• 2)??????????????????????????
• ??
• ?????????????,????????,????---???????????

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????????

• ???????????????????????????????
• ????????????????????????,?????????????????
• ???????????
• ??????,OS???,OS???????????
• ???????????????????????/??????

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????

• ???????
• ????????
• ????????
• ????????
• WinCE????
• ?????

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????????

• ????????
• ??????????
• ????????????

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????????

• ????--???--????DSP?
• ?????????????????,????????????,???????????????????
  ???????
• ??
• ????????
• ???????????
• ????????

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??????????

• ????????????????,?????????,??????????,?????
• C????????????????
• ?20??80????,????????????????,?????????,??????????
  ???????????
• ?????????????????????????????????????????????????
  ????????

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????????????

• ?????????????,???????????????,????????????
• ????????????,????????????????
• ?????????????
• ?????????,??????????????????????
• ????????,???????????????.

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????

• ???????
• ????????
• ????????
• ????????
• WinCE????
• ?????

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????????

• ???????????
• ???????????
• ?????????

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?????????

• ???????????????,??????????????????????????????????
  ??????????????????????????????????????????.

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????????
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• ??????????????
• ARM/Xscale
• MIPS
• IBM?Power PC
• INTEL?X86
• Motorola? 68000(68K)

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????????????

• ??????????????????????????,???????????????????????
  ?????????????????????
• ????????????????????,????????????????
• ????????,????????????????????????
• ???????????????????????????

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• ?????????????
• ?????????????????-RTOS,?????????????????,?????????
  ????
• ????????????????,????????????????????

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• ???????????????????????????,????????????
• ????????,???????????????????????
• ?????????????????,??????????????
• ???????????????????,???????????,???????????

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• ????????????,??????,?????????????????CPU??,??????
  ??????
• ????(Scheduler)????????,??????????????????????????
  ??????????????????????????,CPU??????????????????
  ???

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????

• ???????????,??????(preemptive)?????????????????,?
  ???CPU?????
• ???????????????????????????,?????CPU????????,?????
  ??,??????????????CPU?????
• ??????????????????????????,??????,????????????,???
  ?????????
• ??????????????????

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• ???????????
• VxWorks
• Windows CE
• ???Linux
• uC/OS
• Palm OS
• QNX

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VxWorks

• VxWorks???????WindRiver???1983????????????????
  ?(RTOS),??????????????????????????????????????????
  ??????????????VxWorks?????????????????,????????,??
  ????????????????????????????,???? F-16?FA-18
  ????B-2 ???????????????????????VxWorks?

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VxWorks???

• ??????????Wind
• ?????????Tornado???????,????????????????????
• ??POSIX 100.1b ??
• ?????????
• ???CPU??.

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??VxWorks????????


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• VxWorks???????????

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Windows CE

• Windows CE????????????????????????????????
• ???Windows??,?????????,??????,????????????????????
  ??????
• Win CE3.0 ????????????
• ??????Windows Mobile ?Windows Automotive

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Windows CE?????

• Platform Builder????Windows CE??
• Platform Builder?????????,????(??)?????????CE?
  ?????????,??????OS???????????????,????????CE????
  
• Visual Sudio.NET 2003/eMbedded Vsiual C
• ??Windows CE????????

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??Win CE???????
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??Win CE????????
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???Linux

• ???Linux(Embedded Linux)???Linux????????,?????????
  K??????????????????,?????????????Linux?????
• ???????Linux???RTLinux?uCLinux?????uClinux????????
  ??,????????????,RTLinux????????,???????????
• Linux??????,???????????????????????????????????,??
  ???????,?????Linux????????????????

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???Linux???????

• Linux?????,???????i386??,???????CPU??,????????????
  ???,??Linux??????GNU?C??????GNU?C???????ld???????
  ?as???????????ar???ar???????????ranlib??
• ????ARM???????????arm-linux-gcc????,
  arm-linux-ld????

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???Linux?????

• ??????(BootLoader)
• Linux????
• ?????????
• ??????
• ????

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??RTLinux??????
? 48 cm? 6 kg???20 DOF ???? RT-Linux????
USB 1.0 (12Mbps) ???? 1ms?? DC24V x 6.2A
(150W) ?????
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?????Linnux????
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uc/OS

• uc/OS???????????????????,???????????????,?????????
  ??,???????????????????????????????????,??2000?????
  ?????(FAA)???,?????????

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??uc/OS???

• 3-Axis Motor Control Card
• µC/OS-II
• Hitachi SH2 running at 29.4912 MHz
• 7 Tasks / 10 Hz Tick Rate

• Self Service Terminal (SST)
• µC/OS-II Intel 80386 CPU _at_ 33 MHz 9 Tasks
  20 Hz Tick Rate

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??uc/OS????
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??????????
uC/OS-II RTOS
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PalmOS

• Palm OS?Palm Computing????????????????????,Palm
  OS?PDA????????????,?????WinCE(Pocket PC)???????
• ??Palm OS?????

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QNX

• ???QNX??????????8K??,QNX??????????????????,??POSIX
  (?????????)????,QNX????????????
• ???????????(???????)?GPS???,?????????????????

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??QNX????EMIEW
??????,?2005????????? 050317hit1.mpeg 050317hit2.m
peg
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???????

• Linux
• ??Windows Mobile
• Symbine

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?????????

• ??PC????????????,?????????????IBM
• ????????????????
• 1.?????????,??????????????????????
• 2.???????????,???????????,???,????
• 3.?????????????????,????????????????
• ????????????????????????????????

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?????????

• ???????????????
• ??????????????????
• ??????????????????????
• ?????????????????????????

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????

• ???????
• ????????
• ????????
• ????????
• WinCE????
• ?????

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????????

• ????
• ????????
• ???-???????
• ???????????
• ??????
• ????
• Boot Loader??
• BSP???

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????

• ??????????????????????.
• ??????????????????????,????????????.
• ??/????????????????????????????????????????????
  ?,????????????.
• ???????

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????????

• ?????
• ????????????CPU,??????ARM?????,??????????,???
  ?,????ARM??????
• JTAG???
• ??ARM???JTAG??????ARM??????,?????????,???????
  ???????
• ??????
• ??????

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???-???????
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(No Transcript)
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???????????

• ??????(IDE)?????????,???????
• IDE???????????????????????????????????
• ??ARM SDT (ARM Software Development
  Toolkit)???ARM????????????????????,?ARM????,??????
  uC/OS????????????
• ARM SDT ????????????,????C????????

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??????????

• ???????,??????????????????????????
• ???????????
• ????????
• ???????
• ?????????????,??????????????

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?????COS-II????

• ????C???????????
• ??????????????
• ???????,?????????(???10-100Hz??)
• ???????????????????
• ????????????CPU???????????(????)???.

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???C/OS-II????

• ?includes.h????????????????
• ?C???????????????(OS_CPU_C.C)
• ??????????????????(OS_CPU.ASM)

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????

• ??????????
• ???????????????,?????????????????,????????,?????
  ???,??????????
• ????
• ??????
• ??????
• ???????

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Boot Loader???

• BootLoader??????????????,?????????????????,???????
  ????????
• BootLoader??????????,?????????????????,?ROM?Flash
  ROM.

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• Boot Loader???
• ??????
• ???????????????????
• ???????
• Flash ROM?????????
• ??????,??????????????.
• ??????

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• BootLoader ????
• ??????????????????????????????,???????????????????
  
• ?????????????????????????Bootloader???????????????
  ???,??????Bootloader???,????????
• ???????????????
• ??BootLoader???????

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BSP???

• BSP??????,?????????????????,?????????,????????????
  ?,???????????????
• BSP???????????,?????????????????BSP,BSP????????BSP
  ???????,?????OS????????
• ??,BSP??????????????,????????????????BSP????????

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????

• ???????
• ????????
• ????????
• ????????
• WinCE????
• ?????

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WinCE???????

• ??????
• BootLoader??
• ?????(OAL)??
• ??????
• ??????

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WinCE??????

• WinCE???????????????
• Native application?????Embedded Visual C
• Managed application?????Visaul Studio.NET

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??????

• Embedded Visual C
• ????C/C???CPU??
• ???Win32API????????Windows CE ??
• ???MFC(Microsoft Foundation Classes)?ATL(Active
  Template Library)?????GUI?COM????
• Visual Studio.NET
• ??????CPU???????
• ???????????Win32API
• ????.NET Compact Framework???????????

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??(Native)??????

• ?Platform Builder?? SDK(Software Development
  Kit)
• ?? eVC????????SDK
• Win32?????
• ????????????,???????eVC,?????SDK,??????Platform
  Builder.

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??SDK

• SDK??????????????,SDK??????????????????????OAL(OEM
  Adaption Layer)????????
• ???SDK???Windows????(.msi??)
• ???eVC?????,?????????SDK,????????????????????,SDK?
  ??????????
• Micorosoft?????SDK,?Standard SDK?Pocket
  PC2003?SmartPhone2003?????????????SDK????????,????
  ?????????SDK?????????

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????

• ???????
• ????????
• ????????
• ????????
• WinCE????
• ?????

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??

• ??????????
• ????????
• SOC?????
• ??????

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??

• ????????????????????,???????????
• ?????????????,??????????????????,???????????
• ??????????????????????

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• Thank you !