嵌入式溫度控制

1、.本課程設(shè)計(jì)的目的（1）使學(xué)生掌握嵌入式開發(fā)板（實(shí)驗(yàn)箱）各功能模塊的基本工作原理；（2）培養(yǎng)嵌入式系統(tǒng)的應(yīng)用能力及嵌入式軟件的開發(fā)能力；（3）使學(xué)生較熟練地應(yīng)用嵌入式操作系統(tǒng)及其API開發(fā)嵌入式應(yīng)用軟件；（4）培養(yǎng)學(xué)生分析、解決問題的能力；（5）提高學(xué)生的科技論文寫作能力。設(shè)計(jì)要求：設(shè)計(jì)一個(gè)基于ARM微處理器和以CLinux的嵌入式溫度控制系統(tǒng)，要求采用PID增量 算法實(shí)現(xiàn)對(duì)電烤箱的溫度控制，并且在達(dá)到溫度控制要求的同時(shí)使用4X4小鍵盤和觸摸屏 作為輸入，使用了 LCD、串口、網(wǎng)口和音頻等作為輸出，使得系統(tǒng)具有友好的人機(jī)界面。 系統(tǒng)工作的基本原理為：溫度傳感器把電烤箱的溫度轉(zhuǎn)換成電信號(hào)經(jīng)過測量

2、電路、濾波器和 放大器，輸入到ARM微處理器的A/D輸入端口 AIN。然后ARM微處理器執(zhí)行PID控制程 序，根據(jù)從AIN輸入的電壓值，經(jīng)過PID算法得出輸出值。通過PWM脈寬可調(diào)功能，把 控制量轉(zhuǎn)換成占空比可調(diào)的脈寬，經(jīng)過放大器和功率放大器后驅(qū)動(dòng)電阻，達(dá)到控制功能。具 體設(shè)計(jì)任務(wù)如下：（1） 系統(tǒng)總體設(shè)計(jì)；（2）系統(tǒng)硬件電路的設(shè)計(jì)；（3）操作系統(tǒng)的分析與移植；（4）系統(tǒng)應(yīng)用軟件的設(shè)計(jì)；（5）系統(tǒng)硬件和軟件的調(diào)試。Fedora 10的安裝加New TearnOpen Existing VM or Team目 VMware WorkstationFile Edit View VM Team Wi

3、ndows HelpVMware WorkstationVMiAare Workstation allows multiple standard operating systems and their applications to run with high performan匚巳 in 5巳匚ure and transportable virtual machines. Each virtual machine is equivalent to a PC with a unique network address and full complement of hardware choice

4、s.Click this button to create a new virtual machine. You then can install and run a variety of standard operatirig systems in the virtual machine.M弓匚hi舊Click this button to create a new team. You then can add several virtual machines and connect them with private team LAN segments.Click this button

5、to browse for virtual machines or teams and to select one to display in this panel. You then can interact with the guest operating system within this display as you a standard PC.修改系統(tǒng)文件，在終端中獲取root用戶的權(quán)限UArt hu rEmbedSky :/ho m e/Art hu rfile Edit View Terminal Jabs Helpiible causes include： the remot

6、e application did not send a replyr the ide js security policy blocked the replyr the reply timeout expiredr or the r zonnection was broken.)jConf Error： Failed to contact configuration server； some possible causes at you need to enable TCP/IP networking for ORBitr or you have stale NFS je to a syst

7、em crash. See http:jects/gconf/ for infori (Details - 1： Failed to get connection to session： Did not receive a rep iible causes include: the remote application did not send Kreplyr the me js security policy blocked the reply, the reply timeout expiredr or the r connection was broken.)jConf Error: F

8、ailed to contact configuration server; some possible causes at you need to enable TCP/IP networking for ORBitr or you have stale NFS je to a system crash. See http:jects/gconf/ for infori (Details - 1： Failed to get connection to session： Did not receive a rep iible causes include： the remote applic

9、ation did not send a replyr the ide js security policy blocked the reply, the reply timeout expiredr or the r connection was broken.)(gedit:3246): WARNING f Could not write gedit state file: Failed to file /root/.gnome2/gedit-2.CAIM5U: No such file or directory/0 error : No such file or directory/0

10、error : No such file or directoryrootEmbed5ky Arthur# gedit /etc/sysconfig/network-scripts/ifcfg-ethfl |由于FEDORA自帶網(wǎng)絡(luò)設(shè)置程序不能正確設(shè)置網(wǎng)絡(luò)信息，所以通過修改網(wǎng)絡(luò)配置文件來實(shí) 現(xiàn)網(wǎng)絡(luò)設(shè)置，設(shè)置完成后重啟linux系統(tǒng)虛擬機(jī)工具的安裝，可以更方便于widows和Linux的數(shù)據(jù)交換，打開終端，解壓虛擬機(jī)工 具的安裝包：虛擬機(jī)工具安裝完后，設(shè)置共享目錄，以實(shí)現(xiàn)從widows傳遞文件到Linux或從Linux傳遞文件和文件夾任碧*Program FilesMy Virtual Mach

11、inesImagesj創(chuàng)建一個(gè)新文件夾H將這個(gè)支件夾發(fā)布到Web因共享此史件夾其它位置,我的電腦Jj我的文檔共享文檔* j網(wǎng)上鄰居在window建立兩個(gè)目錄放置測試文件，通過LS命令可以訪問到這些測試文件file EditManually Log out 版權(quán)所有 1985-2001 Microsoft Corp.:Documents and Sett ingsfirtiurpin5 8 inging 8 uith 32 bytes of data： eply from 8： bytes =32timelms TTL=64eplF from 8： bytes =32 t ineedSky_2B

12、B912ie.tar.b-2 C /JI)/)3pt/EmbedSky/4.3.3/Libexec/arm-none-Linux-gnueabi-post-install/)3pt/EmbedSky/4.3.3/Libexec/gcc/arm-none-Linux-gnueabi/3pt/EmbedSky/4.3.3/libexec/gcc/arm-none-Linux-gnueabi/4.3.3/cclpLusvlware staticusr/local/sbin/mkyaffs2image_2.6.13 usr/local/sbin/mkimage usr/local/sbin/mkyaf

13、fsimage usr/local/sbin/readme.txt usr/local/sbin/mkcramfs usr/local/sbin/mkyaffsinage_2 usr/local/sbin/mkyaffs2imageroot(3EiiibedSky opt# gedit /etc/profilernntFmhpdlrv, /nnt7T milI lU I UU I I uif -z $EUID -a -x /usr/bin/id ； then EUID id -11 UID= id -nTfl# Path manipulatioi if $EUID = Q pathmunge

14、pathmunge pathmunge pathmungeIIelsepathmungepathmungepathmunge；then/sbin/usr/sbin/usr/lQcal/sbin/f/EmbedSky/4.3.3/bin|/usr/local/sbin after/usr/sbin after/sbin afterfijsr/local/sbin/mkcramfsjsr/LocaL/sbin/mkyaffsimage_2jsr/locaL/sbin/mkyaffs2iinageopt# gedit /etc/profile opt# source /etc/profile opt

15、# arm-linux-gcc -v specs.rootQEmbedSkyrootQEmbedSkyrootQEmbedSkyUsing built-inParget: arm-none-linux-gnueabiConfigured with： /scratch/maxim/arm-lite/src-4.3-arm-none-linux-gnueabi-lite/gc -4.3/configure - -build=i686-pc-Liniix-gnii - -host=i686-pc-Linux-gnu -target=arm- ccc 1 7i rs i I v cmcrX； rsrs

16、fUc +H m1 i Ik m.i i rJ 4r 1 rs rl nb IK 1 1 ti Ik J-root(aEmbedSky opt# mkyaffs mkyaffs2imagemkyaffsimageuikyaffs2iuiage_2.6.13 uikyaffsiuiage_2 ootEmbedSky opt# mkyaffs|Uboot的編譯file Edit View Terminal Jabs HelprootEmbedSky # cd /opt/EmbedSky/root(3EmbedSky EmbedSky# tar xvfj /mnt/hgfs/Linux/u-boot

17、-1.1.6_2O091031.tar.bz2 C /|Le opt/EmbedSky/u-boot-1.1.6/modules/others/usb noprint.module pt/EmbedSky/u-boot-l.1.6/modules/others/usb print.module pt/EmbedSky/u-boot-l.1.6/modules/others/wince_print.module rootEmbedSky u-boot-1.1.6# make EmbedSky config Configuring for EmbedSky board.rootfaEniibedS

18、ky u-boot-1.1.6# make|u-boot u-boot.bin/ U|J L/ l_IIHUU / .1 kJJJiLUUL.J J T J JU I L I kJ U L/ yJT / y k X U-liniix-objcopy -gap-fifLQxff -0 srec u-boot u-boot.srec /pt/EiibedSky/crosstools_3.4.5_softfloat/gcc-3.4.5-glibc-2.3.6/arm-Linux/bin/arm -linux-objcopy -gap-filT=0 xff -0 binary1 roatEmbedSk

19、y u-boot-1.1.6#Islarmconfig.mkcpulib_arnnetu-bootIboardCREDITSlib_genericpostu-boot.binICHANGELOGdocMAINTAINERSREADMEu-boot.mapdriversMAKEALLrtcu-boot.srecIcommonexamplesMakefilerules. inkwinceIconfig.mkfsmkconfigSystem.mapIcOPYINGincludemiodulestoolscp -f u-boot.bin /mnt/hgfs/Images/u-boat_20091226

20、.raotEmbedSky u-boot-1.1.6# binroottaEniibedSky u-boot-1.1.6# |uur i ximumuuu lc 3LUU L3root(3EmbedSky u-boot-1.1.6# cp -f u-boot.bin /mnt/hgfs/Images/u-boot_2efl31226. binroot(3EmbedSky u-boot-1.1.6# gedit include/configs/EmbedSky.h醪EmbedSky.h (/opt/EmbedSky/u-boot-l.l.G/indude/configs) - geditFile

21、 Edit View Search Tools Documents HelpL Q v S New OpenSave查Print.Undo Redo能智IECut Copy Paste箝窟Rnd ReplaceEmbedSky.h 狀#define CONFIG_USB_DEVICEL#ifdef CONFIG_USB_DEVICE#define CONFIG_USE_IRQL#endif#define C0NFIG_64MB_Nand0#define C0NFIG_L28MB_Nand0128附的Nand Flash/* enable 128MB SDRAM +/#define C0NFIG

22、_L28MB_SDRAMG添加了對(duì)64MB Nand Flash支持添加了對(duì)128MB Nand Flash支持，當(dāng)為IM/* enable SDRAM L33PHZ */#define CONFIG L33WZ SDRAM0Idefine C0NFIG_JFFS2_CMDLINE|#define C0NFIG_JFFS2_NANDQtopia-2.2.0 編譯：root()EmbedSky:/opt/EmbedSky/QteFile Edit View Terminal Jabs HelproottaEmbedSky # cd /opt/EmbedSky/root(3EmbedSky Emb

23、edSky# tar xvfj /mnt/hgfs/Linux/Qte_20091216.tar.bz2 -C / opt/EmbedSky/Ote/opt/EmbedSky/Qte/qtopia-2.2.0.tar.bz2opt/EmbedSky/0te/setX86_0peEnvopt/EmbedSky/Ote/tslib-1.4.1.tar.bz2opt/EmbedSky/Qte/setARM_OpeEnvopt/EmbedSky/0te/test_x86roottaEmbedSky Embed Sky# cd Qte/root(3EmbedSky Ote# ./x86-qtopia-2

24、.2.0-konqueror_build |maL J imu li ixn iy lu uc uui ic i u i a l l am make2: 1 makel: 1 done !You have new mail in /var/spool/mail/root roottaEmbedSky Qte# ./test_x86 |SearchIPLocation： opt/EmbdSky/QtE/x86-qtopia-2,2,0| 顯 100% 秘Icon ViewOPEC IQTOPICITED IDT2DIkonquerorOPED IQTOPIQTEDI l0T2DIqt2LIPED

25、IQTOPIITIMEDCiIIiIMakefile.inMakefileexporexporexporsetDqtEnvconfig.cache心po聲po心poI 心 DO setQt2Env心po 心po 心po ejtpor心po 心po 心po ejtporsetQpeEnvsetQteEnv、-vS5固BackUpStopReloadHomeComputerconfigureconfig,statusWarning： Unable to open /opt/EnbedSky/Ote/x86-qtopia-2.2.0/qtopia/inage/root/Set tings/Categ

26、ories.xmlFatal： No card images foundWarning： Instructed to quit by Virtual Keyboardroot(aEmbedSky Ote# ./arm-qtopia-2.2.S-konqueror build |Qt-4.5的編譯:rootEmbedSky:/opt/EmbedSkyfileEdit View Terminal Jabs HelproottaEmbedSky T# cd /opt/EmbedSky/root(3EmbedSky Embed Sky# Isroot(3EmbedSky EmbedSky# tar x

27、vfj /mnt/hgfs/Linux/qt-embedded-Linux-opensource- src-4.5.e_20091216.tar.bz2 -C /| opT/tmDeabKy/qT-F./arm_qTF._DuiLa opt/EmbedSky/qt-4.5/x86_qt4.5 build5! x86 qt4.5 buildroot(3EmbedSky EmbedSkyT# cd qt-4.5/root(aEmbedSky qt-4.5# Isam_qt4.5 build qt-embedded-linux-opensource-src-4rootEmbedSky qt-4.5#

28、 ./arm_qt4.5_buildConfia 0t4.5 now. olease wait .七卜 I I / Ljf l-lllUyiiJbJIlYJf / L T . J/ L ku IIHU Lu U U U LXH IU AJ* I T . J Mcewm60standard-msvc2008 /opt/EmbedSky/qt-4.5/_instaH/arm/mkspecs/ Finished install Qt4.5 !rootEmbedSky qt-4.5# cd .root(3EmbedSky EmbedSky# /mnt/hgfs/Linux/qt-creatorlinu

29、x-x86-opensource-1.3.6. binLinux內(nèi)核的編譯:rootEmbed5ky:/opt/EmbedSkyfile Edit View Terminal Tabs HelprootEmbedSky -# cd /opt/EmbedSky/rootEmbedSky EmbedSky# Is /opt/EinbedSky/root(3EmbedSky EmbedSky# tar xvfj z2 -C /|opt/EmbedSky/linux-/conf ig_EirbedSky_S35_25&MB。.4,roQt(aEmbedSky linux-# cp -f config

30、EinbedSky W35 256MB .configrootEmbedSky linux-2.fi.30,4# make menucanfigEnd of Linux kernel configuration.hw Execute make to build the kernel or try makerootEjnbedSky limux-# make zImagerootEmbedSlky linux-# IsarchCOPYINGModule.symversblockCREDITSMPconfig_Embed5ky_A104_256MBcryptonetconfig_EmbedSky_

31、A104_64MBDocumentationREADMEconfig2Embed5ky2A70_256MBdriversREPORTING-BUGSconfig_Embed5ky_A70_64MBfirmwaresamplesconfig_EnnbedSky_S35_256HBfsscriptsconfig_Embed5ky_S35_64MBincludesecurityc an f i gEmbedSkyTS 52256MBinitsoundconfig_EnnbedSky_T35_64MBipcSystem.mapconfig2Embed5kyZVGAZ25er-1BKbuildusrco

32、nfig_Embed5ky_VGA_64MBkernelvirtconfigEmbedSkywasSGI-IBlibvmlinuxconfig_Embed5ky_ W35 64MBMAINTAINERSvmlinux.oconfig_Embed5ky_W43_256l-1BMakefilezlmage.binconfig EmbedSky W43 64MBmmVkJlII H -LJ l-IIULJiUbJIlVJ IlhJuJIULXUY IIU L-L D IU Aconfig2EmbedSky2W35264MBMAINTAINERSvmlinux.oconfig_EmbedSky W43

33、256MBMakefilezlmage.binconfig_EnnbedSky W43 64MB mmroctEinbedSky Unux-# cp -f zlmage.bin /mnt/hgfs/Images/zImage_W35 255 HB_20091226.binroot(3EmbedSky linux-# make moduteCHKinclude/linux/version.hmake1: Linclude/asm-arm/mach-types.h is up to date.CHKinclude/linux/utsrelease.hLLME L/llia(-t3WZll/llia

34、Ct5WZll . IhUU . u/mnt/hgfs/Linux/TQ_LOGO-32G_24.bmp driverJLD M net/mac80211/mac80211.kflrootEmbedSky linux-2.6.3G.4J# s/video/logo/rootEmbedSky lintix-#lu * fie L/iiia-t3wzii/iiiact3wzii. kurootEmbedSky linux-# cp -f /mnt/hgfs/Linux/TQ_LOGO-320_240.bmp driver s/video/logo/rootEmbedSky linux-# make

35、 zImageCHK include/linux/ve rsion.h make1： Linclude/asm-arm/mach-types.h, is up to date.CHK include/linux/uts retene. h SYHLINK include/asm - includasm-armCALL:1097:2:1265:2:1321:2:1325:2:1365:2CHKscripts/checksyscalls.sh warning： warning warning： warning warning： warning warning： warning warning： w

36、arningsyscall syscall syscall syscall syscallfadvise64 not implemented migrate_pages not implemented pselectG not implemented ppoll not implemented epoll pwait not implementedinclude/linux/compile.hBusybox的編譯:root()EmbedSky:/opt/EmbedSfile Edit View Terminal Jabs HelprootEmbedSky -# cd /opt/EmbedSky

37、/rootEmbedSky EmbedSky# Isroot(3EmbedSky EmbedSky# tar xvfj /mnt/hgfs/Linux/busybox-1.13.fl.tar.bz2 -C /rootEmbedSky busybox-1.13.9# make menuconfigHOSTCC scripts/basic/fixdepHOSTCC scripts/basic/split-includeHOSTCC scripts/basic/docprocFile Edit View Terminal Jabs HelpBusyBox 1.13.9 ConfigurationAr

38、row keys navigate the menu. selects submenus .Highlighted letters are hotkeys. Pressing includes, excludes, modularizes features. Press to exit, for Help, for Search. Legend: K built-in excluded module Busybox SettingsAppletsrchival Utilities oreutils onsole Utilities ebian Utilities ditors inding U

39、tilities nit Utilities ogin/Password 阮nage響utilitiesinux Ext2 FS Progs inux Module Utilities inux System Utilities M scellaneous Utilities N tworking Utilities Select：rootEmFile Edit View Terminal Jabs HelpBusyBox 1.13.6 ConfigurationEnter the name of the configuration file you wish to load. Accept

40、the name shown to restore the configuration you last retrieved. Leave blank to abort.config_EmbedSky include/config/*GEN include/bbconfigopts.hFile Edit View Jennjnal Jabs Helpccutil-Linux/voLume_id/Linux_swap. 0ccutil-Linux/voLume_id/Luks. 0ccutil-linux/volumed/ntfs. 0ccutil-Linux/voLume_id/ocfs2.0

41、ccutil-Linux/voLume_id/reiserfs.occutil-linux/volumed/romfs. 0ccutil-linux/volumed/sysv. 0ccutil-linux/volumed/udf. 0ccutil-Linux/voLume_id/utiL. 0ccutit-Linux/voLume_id/v0Lume_icl. 0ccutil-Linux/voLume_id/xfs. 0ARutil-Linux/voLume_id/Lib. aLINKbusybox_Linst rippedTrying libraries： crypt mLibrarycry

42、pt is not needed, excluding itLibrarym is needed, can1t_exclude it (yet)CCutil-linux/volumed/sysv. 0CCutil-linux/volumed/udf. 0CCutil-Linux/voLume_id/utiL. 0CCutit-Linux/voLume_id/v0Lume_icl. 0CCutil-Linux/voLume_id/xfs. 0ARutil-Linux/voLume_id/Lib. aLINKbusybox_unstrippedTrying libraries： crypt mLi

43、brary crypt is not needed, excluding itLibrary m is needed, can1t exclude it (yet)Final link with: mrootEmbedSky busybox-1.13.O# make installfile Edit View Terminal Tabs Help./_instafL/usr/sbin/httpd - ./bin/busybox./_instafL/usr/sbin/inetd - ./bin/busybox./_instafL/usr/sbin/loadfont - ././bin/busyb

44、ox./_instafL/usr/sbin/lpd - ./bin/busybox.install/usr/sbin/popmaildir - ././bin/busybox./_install/usr/sbin/rdate - ././bin/busybox./_instafL/usr/sbin/rdev - . ./ ./bin/busybox./_instafL/usr/sbin/readprofile - ././bin/busybox.instafL/usr/sbin/sendmail - ././bin/busybox./_instafL/usr/sbin/setfont - ./

45、./bin/busybox.install/usr/sbin/sefLogcons - ././bin/busybox./_instafL/usr/sbin/svl-ogd - . ./ ./bin/busybox./_instafL/usr/sbin/telnetcl - . ./ ./bin/busybox./_instafL/usr/sbin/udhcpcl - ././bin/busyboxYou will probably need to make your busybox binary setuid root to ensure all configured applets wil

46、l work properly././root test/./root_test/ test/linuxrc?rootEmbedSky busybox-1.13.0# cdrootEmbedSky install# cp -f * cp: omitting directory Lbin cp： omitting directory Ysbin cp： omitting directory 、usrootEmbedSky install# cp -rf * cp： _ iuL一 IL. 一 JLlII 一 - J 一 = r I Irral 4 11 fll n Phlr=al n T TA A

47、 4-n 4- IL；Linux應(yīng)用程序編譯:rootEmbedSky:file Edit View lerminal Jabs Helproat(aEmbed5ky -# tar xvfj /mnt/hgfs/Linux/a叩$_2曲912包8.ta.bX -C /|File Edit View Terminal Tabs Helpopt/EmbedSky/apps/madplay/libmad-fl.15.lb/.deps/synth.Plo opt/EmbedSky/apps/madplay/libmad-fl.15.lb/.deps/fixed.Plo opt/EmbedEky/app

48、s/madplay/libmad-B.15.lb/.deps/frame.Pio opt/EmbedSky/apps/madpLay/Libmacl-O.lS. Ib/.deps/stream.Plo pt/EmbedSky/apps/madplay/libmad-S.15.lb/.deps/layer3.Pio opt/EmbedSky/apps/madplay/libmad-fl.15.lb/.deps/layerl2.Pio pt/EmbedSky/apps/madplay/libmad-e.15fman.Pio opt/EmbedSky/apps/madplay/libmad-fl.1

49、5.Ib/configure pt/EmbedSky/apps/madplay/libmad-e.1515.Ib/decoder.o rootfaEmbedSky -# cd /opt/EmbedSky/apps/ root(3EmbedSky apps# cd wireless_tools.29/ root(3EmbedSky wirelessools.29# make cleanrm -f BAK K.balk K.d o *.so ,* x.a K.orig rej x.out rootEmbedSky wireless tools.25# rm -rf _install/ root(3

50、EmbedSky wi reless t ols. 29j # make arm-linLix-gcc -Os -W -Wall -Wstrict-prototypes ointer-arith -Wcast-qual -Winline -I. -HMD rm -f libiw.aarm-linux-ar cru libiw.a iwlib.so arm-linux-ranlib libiw.a arm-linux-gcc -Os -W -Wall -Wstrict-prototypes ointer-arith -Wcast-qual -Winline -I. -HMD-Wmissing-p

51、rototypes -fPIC -c -o iwlib.so-Wmissing-prototypes -fPIC -c :o iwlib.so-Wshadow iwlib.c-Wshadow iwLib.c-Wp-WpFile Edit View Terminal Tabs Help adow -Wpoiinter-arith -Wcast-qual -Winline -I. -HMD w.a -linn arm-linux-gcc -Os -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wp ointer-arith -

52、Wcast-qual -Winline -I. -HMD -c iwevent.c arm-linux-gcc -Wl, -s -Os -W -Wall -Wstrict-prototypes -Wnnissing-prototypes -Wsh adow -Wpoiinter-arith -Wcast-qual -Winline -I. -HMD -o iwevent iwevent.o libi w.a -linn arm-linux-gcc -Os -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wp ointer-

53、arith -Wcast-qual -Winline -I. -HMD -c if rename.c arm-linux-gcc -Wl, -s -Os -W -Wall -Wstrict-prototypes -Wnnissing-prototypes -Wsh adow -Wpoiinter-arith -Wcast-qual -Winline -I. -HMD biw.a -Im rootEmbedSky install install install install-o iwgetid iwgetid.o libi-o if rename if rename.o liIcwir-m-m

54、-m-m755644755755wireless_tools.29# make install-d pwd7_install/lib/ libiw.a pwdL/_install/lib/ -d pwd/_install/sbin/ iwconfig iwlist iwpriv iwspy iwgetidiwevent if rename pwd/_install/sbin/ install install install install install-m-m-m-m-m755644644755644.8 pwd， install install install install-m-m-m-

55、m-d pwd，_install/include/ iwlib.h pwdL/_install/include/ wireless.h pwd/_install/include/ -d pwd，_install/tnan/ZmanB/ iwconfig.8 iwlist.8 iwpri -jS iwspy.8 -d pwd，_install/tnan/Zman?/ wireless.7 pwd/_instafL/man/man7/ -d pwd，_install/tnan/ZmanS/ iftab. 5 pwdL /_install加an盹n5/ wireless tools.29#iwgetid.8 iwevent.8 if renameinstaH/man/man8/755644755644ITifrrootEmbedSky因 回）rootEmbed5ky：/opt/.間 wireless_tools.29 - Fil.溫度控制系統(tǒng)程序如下：#include#include#include#includestruct PID (unsigned int SetPoint; / 設(shè)定目標(biāo) Desired Value unsigned int Proportion; / 比例常數(shù) Proportional Const unsigned