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Сети и телекоммуникации

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D kh`Ze_gbx hiul k_j\bkgh]h h[kem`b\Zgby h[_ki_qb\Z_fh]h gZrbfb dhfiZgbyfb hq_gv qZklh [u\Z_l g_ml_rbl_evguf Ihwlhfm \hafh`gh bf__l kfuke i_j_^ ihdmidhc fh^_fZ ^h]h\hjblvky k dZdbf-gb[m^v ki_pbZebklhf dhlhjuc aZ g_[hevrh_ \hagZ]jZ`^_gb_ j_rbl \Zf \k_ ijh[e_fu ih mklZgh\d_ b gZkljhcd_ fh^_fZ Ohly fg_ dZ`_lky k fh_c dgb]hc \ jmdZo \u kijZ\bl_kv k wlbf b kZfhklhyl_evgh

IhdmidZ fh^_fZ k jmd

Mqblu\Zy \k_ keh`ghklb b \_jhylgu_ ijh[e_fu ijboh^blky ijbagZlv qlh ihdmidZ fh^_fZ m ^jma_c beb agZdhfuo y\ey_lky ^Ze_dh g_ kZfuf om^rbf \ZjbZglhf Gh qlh[u ihlhf g_ jZkdZb\Zlvky `_eZl_evgh h[_ki_qblv \uiheg_gb_ ke_^mxsbo mkeh\bc

‡ijh^Z\_p ^he`_g [ulv \Zrbf ohjhrbf agZdhfuf beb ih djZcg_c f_j_, q_eh\_dhf ijh dhlhjh]h \u agZ_l_ qlh hg \Zk g_ h[fZg_l

‡ k ijh^Z\phf gm`gh h[yaZl_evgh ^h]h\hjblvky h aZf_g_ fh^_fZ beb \ha\jZl_ ^_g_] \ kemqZ_ _keb fh^_f g_ m^Zklky aZklZ\blv jZ[hlZlv

‡ `_eZl_evgh qlh[u ijh^Z\_p h[_ki_qbe mklZgh\dm beb ih djZcg_c f_j_ l_ogbq_kdb_ dhgkmevlZpbb ih mklZgh\d_ fh^_fZ gZ

\Zr dhfivxl_j

?keb \k_ wlb ljb mkeh\by \uiheg_gu lh ijbh[j_l_gb_ fh^_fZ k jmd fh`_l [ulv ^Z`_ ij_^ihqlbl_evg__ q_f \ fZ]Zabg_ — imklv wlh b ih^_j`Zgguc h[jZa_p DklZlb g_ klhbl kebrdhf [hylvky ih^_j`Zggh]h dhfivxl_jgh]h h[hjm^h\Zgby ih klZlbklbd_ qZs_ \k_]h \uoh^yl ba kljhy eb[h kh\k_f gh\u_ mkljhckl\Z eb[h hq_gv-hq_gv klZju_

MklZgh\dZ

Gh \hl lj_\h]b b aZ[hlu k\yaZggu_ k ihdmidhc ihaZ^b b m \Zk \ jmdZo — djZkb\Zy b ^h\hevgh [hevrZy nbjf_ggZy dhjh[dZ Hldju\ __ \u ^he`gu h[gZjm`blv ijbf_jgh ke_^mxs__ g_agZqbl_evgu_ hldehg_gby ^himklbfu

‡kZf fh^_f

‡dZ[_ev iblZgby k [ehdhf iblZgby — ^ey \g_rgbo fh^_fh\

(power cable, power supply);

‡l_e_nhgguc dZ[_ev phone cable k ^\mfy jZat_fZfb RJ11klj gZ dhgpZo

‡ ihke_^h\Zl_evguc dZ[_ev serial cable ^ey ih^dexq_gby d ihjlm dhfivxl_jZ — ^ey \g_rgbo fh^_fh\ ijZ\^Z hg \dexqZ_lky \ dhfie_dl ^Ze_dh g_ \k_]^Z

‡^bkd_lm k g_dh_c dhffmgbdZpbhgghc ijh]jZffhc kdhj__ \k_]h [_kieZlghc beb mkeh\gh [_kieZlghc b [jhrxjm-bgkljmdpbx d wlhc ijh]jZff_

‡bgkljmdpbx ih wdkiemZlZpbb d kZfhfm fh^_fm User's Manual beb User Guide);

‡j_]bkljZpbhggmx dZjlhqdm registration card bgh]^Z hgZ jZkiheh`_gZ gZ ihke_^g_c kljZgbp_ bgkljmdpbb

‡ \ aZ\bkbfhklb hl Z\lhjbl_lZ nbjfu-ijhba\h^bl_ey — [he__ beb f_g__ h[t_fbklmx klhidm \kyq_kdbo [mfZ`_d ijhki_dlh\ [jhrxj b ^Z`_ ^bkd_l ij_^eh`_gby lh\Zjh\ kh kdb^dhc [_kieZlguc ijh[guc ^hklmi dRQOPH-kem`[Zf b beb d Bgl_jg_lm ijhklh j_deZfZ b lZd ^Ze__

GZqg_f k kZfh]h ijhklh]h j_]bkljZpbhggmx dZjlhqdm gm`gh aZihegblv b hlhkeZlv nbjf_-ijhba\h^bl_ex Ij_^iheZ]Z_lky qlh aZj_]bkljbjh\Zggu_ ihevah\Zl_eb [m^ml ihemqZlv hl ijhba\h^bl_ey l_ogbq_kdmx ih^^_j`dm ih l_e_nhgm beb q_j_a BBS nbjfu Z lZd`_ bgnhjfZpbx h gh\uo ijh^mdlZo b jZajZ[hldZo < [hevrbgkl\_ kemqZ_\ gZ fhc \a]ey^ \jy^ eb klhbl ljZlblv gZ wlh \j_fy :f_jbdZ hldm^Z jh^hf [hevrbgkl\h fh^_fh\ kebrdhf ^Ze_dh b \kx gm`gmx \Zf bgnhjfZpbx \u kdhj__ \k_]h kfh`_l_ ihemqblv ]hjZa^h [eb`_ g_ ljZlykv gZ ihkuedm f_`^mgZjh^gh]h ibkvfZ

Bgkljmdpby ih wdkiemZlZpbb — \_sv hq_gv ihe_agZy b _keb \u agZ_l_ Zg]ebckdbc ^hklZlhqgh ^ey lh]h qlh[u ihgylv lZf ohlv qlhgb[m^v y hq_gv kh\_lmx hagZdhfblvky k wlbf ^hdmf_glhf gh kgZqZeZ \k_ `_ ^hqblZcl_ ^h dhgpZ wlm ]eZ\m

DhffmgbdZpbhggZy ijh]jZffZ dhlhjmx \u gZc^_l_ gZ ijbeZ]Z_fhc d fh^_fm ^bkd_l_ h[eZ^Z_l h^gbf g_khfg_gguf

ij_bfms_kl\hf — hgZ ]ZjZglbjh\Zggh [m^_l jZ[hlZlv k \Zrbf fh^_fhf Ih \k_f ijhqbf iZjZf_ljZf lZdb_ ijh]jZffu h[uqgh ^Ze_db hl kh\_jr_gkl\Z b ^ey ^Zevg_cr_c jZ[hlu \Zf kdhj__ \k_]h ihgZ^h[blky [he__ k_jv_aguc dhffmgbdZpbhgguc iZd_l L_f g_ f_g__ ijh\_jdm fh^_fZ b ©i_j\uc a\hghdª _klv kfuke ^_eZlv bf_ggh k ihfhsvx ijbeh`_gghc d fh^_fm ijh]jZffu GZkljhcdm dhffmgbdZpbhgguo ijh]jZff b hkgh\u jZ[hlu k gbfb fu jZkkfhljbf \ ]e klj

L_i_jv i_j_c^_f d kZfhc hl\_lkl\_gghc qZklb jZ[hlu — ih^dexq_gbx fh^_fZ d dhfivxl_jm WlZ ijhp_^mjZ kbevgh hlebqZ_lky ^ey \gmlj_ggbo b \g_rgbo fh^_fh\ ihwlhfm fu jZkkfhljbf bo ih hl^_evghklb ?keb m \Zk \g_rgbc fh^_f b \Zf g_ l_jiblky _]h mklZgh\blv fh`_l_ i_j_clb kjZam gZ klj h^gZdh y \k_ `_ j_dhf_g^mx ijhq_klv gb`_ke_^mxsbc jZa^_e ihk\ys_gguc \gmlj_gg_fm fh^_fm — fgh]h_ ba lh]h h q_f lZf ihc^_l j_qv fh`_l \Zf ijb]h^blvky b ^ey mklZgh\db \g_rg_]h fh^_fZ

<gmlj_ggb_ fh^_fu

DZd \u m`_ gZ\_jgh_ ^h]Z^Zebkv ^ey mklZgh\db \gmlj_gg_]h fh^_fZ g_h[oh^bfh hldjulv dhjimk dhfivxl_jZ Gh g_ ki_rbl_ wlh ^_eZlv qlh[u k i_j\h]h jZaZ ijZ\bevgh gZkljhblv fh^_f gm`gh dh_-qlh jZamagZlv h \Zr_f dhfivxl_j_ — ijbq_f k^_eZlv wlh ijhs_ \k_]h lh]^Z dh]^Z hg jZ[hlZ_l

Ihjlu

DZd y m`_ ibkZe \ ]e ^ey k\yab k \g_rgbf fbjhf ih ihke_^h- \Zl_evghfm bgl_jn_ckm \ dhfivxl_j_ ij_^mkfhlj_gu lZd gZau-

\Z_fu_ ihke_^h\Zl_evgu_ ihjlu bgZq_ gZau\Z_fu_ KHF-ihjlu dhlhju_ bf_xl h[hagZq_gb_ KHF dhe^_j!lh _klv KHF&20b l ^

Qlh `_ lZdh_ ©ihjlª" Nbabq_kdb KHF-ihjl ij_^klZ\ey_l kh[hc ki_pbZevgmx fbdjhko_fm UART kf klj dhlhjZy ij_h[jZam_l ihklmiZxsb_ hl dhfivxl_jZ ^Zggu_ \ ihke_^h\Zl_evguc nhjfZl b ihkueZ_l bo \h \g_rgbc fbj gZijbf_j q_j_a jZat_f Z lZd`_ \uihegy_l h[jZlgh_ ij_h[jZah\Zgb_ ihemq_gguo ba\g_ ^Zgguo LZdbf h[jZahf ihjl — hdgh \ fbj q_j_a dhlhjh_ dhfivxl_j h[f_gb\Z_lky ^Zggufb k i_jbn_jbcgufb mkljhckl\Zfb

Qbkeh KHF-ihjlh\ mklZgh\e_gguo \ dhfivxl_j_ fh`_l [ulv jZaguf — hl h^gh]h ^h q_luj_o gh qZs_ \k_]h bo h^bg beb ^\Z D h^ghfm ba gbo h[uqgh ih^dexqZ_lky furv Z \lhjhc bgh-

]^Z bkihevam_lky ^ey ih^kh_^bg_gby ijbgl_jZ beb kdZg_jZ k ihke_^h\Zl_evguf bgl_jn_ckhf

Ijh \gmlj_ggb_ fh^_fu qZklh lh`_ ]h\hjyl qlh hgb ©ih^dexqZxlky d KHF-ihjlmª Gh \ ^_ckl\bl_evghklb wlh g_ kh\k_f lZd \gmlj_ggbc fh^_f kZf jZ[hlZ_l dZd ihke_^h\Zl_evguc ihjl m\_ebqb\Zy l_f kZfuf qbkeh mklZgh\e_gguo \ \Zr_c fZrbg_ ihjlh\ Ihwlhfm _keb \Zr dhfivxl_j m`_ bf__l q_luj_ ihke_^h\Zl_evguo ihjlZ qlh \hh[s_-lh fZeh\_jhylgh \gmlj_ggbc fh^_f ih^dexqblv d g_fm g_ m^Zklky

LZd _keb m \Zk m`_ aZ^_ckl\h\Zgu ^\Z ihke_^h\Zl_evguo ihjlZKHF b &20 lh fh^_f fh`gh gZkljhblv gZ ihjl &20 l _ i_j\h_ `_ k\h[h^gh_ f_klh DZdbf bf_ggh ihjlhf klZg_l \gmlj_ggbc fh^_f j_rZ_l ihevah\Zl_ev — _s_ ^h mklZgh\db _]h \ dhfivxl_jkf gb`_ ©I_j_dexqZl_eb b i_j_fuqdbª GZ fgh]bo \gmlj_ggbo fh^_fZo lhevdh qlh \ugmluo ba dhjh[db wlb i_j_dexqZl_eb dZd jZa b mklZgh\e_gu \ iheh`_gb_ ijb dhlhjhf fh^_f jZ[hlZ_l dZd ihjl

COM3.

Dhg_qgh \u fh`_l_ ihgZ^_ylvky gZ Z\hkv b g_ ljh]Zy gbdZdbo i_j_dexqZl_e_c ijbklmiblv d mklZgh\d_ fh^_fZ Gh [_ahiZkg__ kgZqZeZ \k_-lZdb \uykgblv gZ dZdhc ihjl ^he`_g [ulv gZkljh_g fh^_f qlh[u hg fh] jZ[hlZlv \ \Zr_f dhfivxl_j_ b dZd bf_ggh _]h gZ wlhl ihjl gZkljhblv L_f [he__ qlh djhf_ ghf_jZ ihjlZ \Zf ijb^_lky \uykgblv _s_ h^bg \Z`guc iZjZf_lj gZkljhcdb fh^_fZ — ebgbx IRQ.

Ebgbb IRQ

Ebgbb aZijhkZ ij_ju\Zgby ebgbb IRQ, Interrupt ReQuest) — \_sv djZcg_ \Z`gZy ^ey ghjfZevghc jZ[hlu dhfivxl_jZ kf \j_adm

<ijhq_f qlh[u gZkljhblv fh^_f \iheg_ ^hklZlhqgh agZlv qlh \k_]h ebgbc IRQ r_klgZ^pZlv b dZ`^uc ihke_^h\Zl_evguc ihjl Z agZqbl b \gmlj_ggbc fh^_f ^he`_g bf_lv k\hx ebgbx IRQ ?keb ^\Z ihjlZbeb ^jm]bo mkljhckl\Z [m^ml ©kb^_lv gZ h^ghc IRQª wlh kdhj__ \k_]h ijb\_^_l d lhfm qlh gb h^bg ba gbo g_ kfh`_l jZ[hlZlv LZd qlh \Zf ijb^_lky ihaZ[hlblvky h lhf

qlh[u wlh]h g_ kemqbehkv

/

Qlh lZdh_ IRQ?

Qlh[u mkljhckl\Z \oh^ysb_ \ khklZ\ dhfivxl_jZ \ qZklghklb jZaghh[jZagu_ ieZlu jZkrbj_gby fh]eb \aZbfh^_ckl\h\Zlv k p_gljZevguf ijhp_kkhjhf \ ,%0-kh\f_klbfuo dhfivxl_jZo ij_^mkfhlj_gZ kbkl_fZ ij_ju\Zgbc (interrupts Dh]^Z mkljhckl\m lj_[m_lky mqZklb_ ijhp_kkhjZgZijbf_j dh]^Z gZ deZ\bZlmj_ gZ`ZlZ deZ\brZ hgh ihkueZ_l hkh[uc kb]gZe — ij_ju\Zgb_ ihemqb\

dhlhjh_ ijhp_kkhj \uihegy_l khhl\_lkl\mxsb_ ^_ckl\by i_j_^Z_l dh^ gZ`Zlhc deZ\brb jZ[hlZxs_c ijh]jZff_

:gZeh]bqguf f_oZgbafhf ihevamxlky aZ]jm`_ggu_ \ iZfylv fZrbgu ijh]jZffu ^ey \aZbfh^_ckl\by ^jm] k ^jm]hf b k hi_jZpbhgghc kbkl_fhc Ij_ju\Zgby dhlhju_ hgb bkihevamxl ^ey wlhc p_eb gZau\Zxlky ijh]jZffgufb (software interrupts \ hlebqb_ hl ZiiZjZlguo (hardware interrupts k ihfhsvx dhlhjuo mkljhckl\Z dhfivxl_jZ h[f_gb\Zxlky kb]gZeZfb k ijhp_kkhjhf

:iiZjZlgu_ ij_ju\Zgby i_j_^Zxlky ih ki_pbZevguf dZgZeZf — ebgbyf IRQ AZ dZ`^uf ba mkljhckl\ aZdj_iey_lky k\hy ebgby b dh]^Z ijhp_kkhj keurbl kb]gZe gZijbf_j ih ebgbb IRQ hg lhqg__ dhffmgbdZpbhggZy ijh]jZffZ m`_ agZ_l qlh wlh hagZqZ_l mkljhckl\h ih^dexq_ggh_ d ihjlm KHF lj_[m_l d k_[_ \gbfZgby kdhj__ \k_]h hgh ohq_l h[f_gylvky k iZfylvx hq_j_^ghc ihjpb_c ^Zgguo Qlh[u \k_ jZ[hlZeh dZd qZku gm`gh g_ lhevdh gZkljhblv fh^_f gZ k\h[h^gmx ebgbx gh b mdZaZlv dhffmgbdZpbhgghc ijh]jZff_ ih dZdhc ba ebgbc `^Zlv kb]gZeh\ hl fh^_fZ

< jZkij_^_e_gbb ebgbc IRQ f_`^m ihke_^h\Zl_evgufb ihjlZfb kms_kl\m_l k\hy ljZ^bpby DZd ijZ\beh ihjl KHF bkihevam_l

,54 Z &20 — IRQ Gh qlh kZfh_ g_ijbylgh_ — ihjlu &20b

&20 dhlhju_ _keb g_ kqblZlv \gmlj_gg_]h fh^_fZ j_^dh dh]^Z [u\Zxl gm`gu \ ijbgpbi_ ^he`gu bkihevah\Zlv l_ `_ ^\_ ebgbb ij_ju\Zgby Z bf_ggh — ,54^ey&20b,54^ey&20

<hl ihq_fm g_ j_dhf_g^m_lky bkihevah\Zlv h^gh\j_f_ggh iZju ihjlh\ KHF b &20&20b &20— lZd dZd hgb kdhj__ \k_]h jZ[hlZxl gZ h^ghc IRQ KdZ`_f _keb \ZrZ furv ih^dexq_gZ d KHF lh fh^_f emqr_ \k_]h gZkljZb\Zlv gZ ihjlu &20 beb &20dhlhju_ bkihevamxl ^jm]mx ebgbx IRQ IjZ\^Z ^ey jZ[hlu k&20\Zf kdhj__ \k_]h ijb^_lky kgZqZeZ hldexqblv wlhl ihjl gZ ieZl_ \\h^Z-\u\h^Z — kf \j_adm gZ klj DklZlb dhgnebdl furb b fh^_fZ — h^gZ ba kZfuo jZkijhkljZg_gguo ijh[e_f ijb mklZgh\d_ ihke_^g_]h gZ dhfivxl_j

G_dhlhju_ fh^_fu iha\heyxl bkihevah\Zlv ^ey ihjlh\&20b &20 g_klZg^Zjlgu_ ebgbb IRQ — qZs_ \k_]h IRQ ^ey &20 b IRQ eb[h IRQ ^ey&20<hafh`gh wlh iha\hebl \Zf ba[Z\blvky hl dhgnebdlh\ i_jbn_jbcguo mkljhckl\ GZijbf_j _keb m \Zk ihklhyggh aZgylu KHF b&20fh`gh gZkljhblv fh^_f gZ&20 gh k bkihevah\Zgb_f ebgbb,54

Ij_`^_ q_f gZkljZb\Zlvky gZ g_klZg^Zjlgmx ebgbx IRQ g_- h[oh^bfh m[_^blvky qlh gbdZdh_ ^jm]h_ mkljhckl\h gZ \Zr_f dhfivxl_j_ g_ bkihevam_l wlm ebgbx — \hafh`gh hgZ m`_ aZgylZ kdZ`_f a\mdh\hc ieZlhc beb dhgljhee_jhf ^bkdh\h^Z dhfiZdl- ^bkdh\ Djhf_ lh]h gm`gh qlh[u \ZrZ dhffmgbdZpbhggZy ijh]jZffZ ih^^_j`b\ZeZ jZ[hlm k wlhc ebgb_c IRQ [hevrbgkl\h

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