arm7启动过程 - 单片机论文网.mht

51单片机的内存优化和中断的有用知识

function fc(a){var =
b=3Dh,c=3Dwindow,d=3Ddocument,e=3Dm,f=3Dc.google_ad_format,i=3Dgc(c),j;if=
(c.google_cpa_choice!=3Db){c.google_ad_url=3Di+"/cpa/ads?";j=3Descape(Ob(=
c.google_ad_client));c.google_ad_region=3D"_google_cpa_region_";V("google=
_cpa_choice");if(typeof =
d.characterSet!=3D"undefined")W("oe",d.characterSet);else typeof =
d.charset!=3D"undefined"&&W("oe",d.charset)}else =
if(Z(f)){c.google_ad_url=3Di+"/pagead/sdo?";j=3Descape(Pb(c.google_ad_cli=
ent))}else{c.google_ad_url=3Di+"/pagead/ads?";j=3Descape(Ob(c.google_ad_c=
lient))}c.google_ad_url+=3D=0A=
"client=3D"+j;V("google_ad_host");V("google_ad_host_tier_id");var =
n=3Dc.google_num_slots_by_client,l=3Dc.google_num_slots_by_channel,u=3Dc.=
google_prev_ad_formats_by_region,v=3Dc.google_prev_ad_slotnames_by_region=
;if(c.google_ad_region=3D=3Db&&c.google_ad_section!=3Db)c.google_ad_regio=
n=3Dc.google_ad_section;var =
q=3Dc.google_ad_region=3D=3Db?"":c.google_ad_region;if(Z(f)){c.google_num=
_sdo_slots=3Dc.google_num_sdo_slots?c.google_num_sdo_slots+1:1;if(c.googl=
e_num_sdo_slots>4)return g}else =
if(Tb(c)){c.google_num_0ad_slots=3Dc.google_num_0ad_slots?=0A=
c.google_num_0ad_slots+1:1;if(c.google_num_0ad_slots>3)return g}else =
if(c.google_cpa_choice=3D=3Db){c.google_num_ad_slots=3Dc.google_num_ad_sl=
ots?c.google_num_ad_slots+1:1;if(c.google_num_slots_to_rotate){u[q]=3Db;v=
[q]=3Db;if(c.google_num_slot_to_show=3D=3Db)c.google_num_slot_to_show=3De=
%c.google_num_slots_to_rotate+1;if(c.google_num_slot_to_show!=3Dc.google_=
num_ad_slots)return g}else if(c.google_num_ad_slots>6&&q=3D=3D"")return =
g}U("dt",m);V("google_language");c.google_country?V("google_country"):V("=
google_gl");V("google_region");=0A=
X("google_city");X("google_hints");V("google_safe");V("google_encoding");=
V("google_last_modified_time");X("google_alternate_ad_url");V("google_alt=
ernate_color");V("google_skip");V("google_targeting");var =
E=3Dc.google_ad_client;if(n[E])n[E]+=3D1;else{n[E]=3D1;n.length+=3D1}if(u=
[q])if(!Z(f)){W("prev_fmts",u[q].toLowerCase());n.length>1&&U("slot",n[E]=
)}v[q]&&W("prev_slotnames",v[q].toLowerCase());if(dc(f,c.google_ad_slot,G=
b)){W("format",f.toLowerCase());Z(f)||(u[q]=3Du[q]?u[q]+","+f:f)}else =
if(c.google_ad_slot)v[q]=3D=0A=
v[q]?v[q]+","+c.google_ad_slot:c.google_ad_slot;V("google_max_num_ads");U=
("output",c.google_ad_output);V("google_adtest");V("google_ad_callback");=
V("google_ad_slot");X("google_correlator");c.google_new_domain_checked=3D=
=3D1&&c.google_new_domain_enabled=3D=3D0&&U("dblk",1);if(c.google_ad_chan=
nel){X("google_ad_channel");var =
T=3D"",cb=3Dc.google_ad_channel.split(hc),na=3D0;for(;na<cb.length;na++){=
var oa=3Dcb[na];if(l[oa])T+=3Doa+"+";else =
l[oa]=3D1}W("pv_ch",T)}if(c.google_ad_host_channel){X("google_ad_host_cha=
nnel");var pc=3D=0A=
ic(c.google_ad_host_channel,c.google_viewed_host_channels);W("pv_h_ch",pc=
)}c.google_enable_first_party_cookie&&W("cookie",c._GA_googleCookieHelper=
.o());X("google_page_url");Y("google_color_bg",e);Y("google_color_text",e=
);Y("google_color_link",e);Y("google_color_url",e);Y("google_color_border=
",e);Y("google_color_line",e);c.google_reuse_colors?U("reuse_colors",1):U=
("reuse_colors",0);V("google_font_face");V("google_kw_type");X("google_kw=
");X("google_contents");V("google_num_radlinks");V("google_max_radlink_le=
n");=0A=
V("google_rl_filtering");V("google_rl_mode");V("google_rt");X("google_rl_=
dest_url");V("google_num_radlinks_per_unit");V("google_ad_type");V("googl=
e_image_size");V("google_ad_region");if(R)if(c.google_expandable_iframe=3D=
=3D=3Dg)Yb(c);else if(j =
in{"ca-pub-2944451727872625":1,"ca-pub-9483266128490610":1,"ca-pub-195592=
4717845427":1,"ca-pub-6664249124335298":1})c.google_expandable_iframe=3Dk=
;else{if(!(c.google_expandable_iframe=3D=3Dk)){var =
N=3DUb();Q(N);if(N=3D=3D"30143019"||N=3D=3D""&&!Hb)Yb(c);if(!N){N=3DVb();=
Q(N)}}}else Yb(c);=0A=
W("eid",P);var =
db=3Dc.google_allow_expandable_ads;if(db!=3Dh)db?U("ea","1"):U("ea","0");=
V("google_feedback");X("google_referrer_url");X("google_page_location");U=
("frm",c.google_iframing);V("google_bid");V("google_ctr_threshold");V("go=
ogle_cust_age");V("google_cust_gender");V("google_cust_interests");V("goo=
gle_cust_id");V("google_cust_job");V("google_cust_u_url");V("google_cust_=
l");V("google_cust_lh");V("google_cust_ch");V("google_ed");V("google_vide=
o_doc_id");V("google_video_product_type");X("google_ui_features");=0A=
X("google_ui_version");X("google_tag_info");X("google_only_ads_with_video=
");X("google_only_pyv_ads");X("google_disable_video_autoplay");if(a){W("f=
f",wb(a));W("fs",Ab(a));var =
pa=3Dub(a),qa=3DYa();if(pa&&qa){W("biw",qa.width);W("bih",qa.height);W("a=
dx",pa.x);W("ady",pa.y)}}Bb();U("ga_vid",c.gaGlobal.vid);U("ga_sid",c.gaG=
lobal.sid);U("ga_hid",c.gaGlobal.hid);U("ga_fc",c.gaGlobal.from_cookie);X=
("google_analytics_uacct");V("google_ad_override");V("google_flash_versio=
n");Mb(c);return k}=0A=
function ic(a,b){var =
c=3Da.split("|"),d=3D-1,e=3D[],f=3D0;for(;f<c.length;f++){var =
i=3Dc[f].split(hc);b[f]||(b[f]=3D{});var =
j=3D"",n=3D0;for(;n<i.length;n++){var =
l=3Di[n];if(!(l=3D=3D""))if(b[f][l])j+=3D"+"+l;else =
b[f][l]=3D1}j=3Dj.slice(1);e[f]=3Dj;if(j!=3D"")d=3Df}var =
u=3D"";if(d>-1){var f=3D0;for(;f<d;f++)u+=3De[f]+"|";u+=3De[d]}return u}=0A=
function jc(){var a=3Dwindow,b=3Ddocument;Nb(a);var c=3DWb();Q(c);var =
d;if(c=3D=3D"6083029"){var =
e=3D"google_temp_span";d=3Da.google_container_id&&Va(a.google_container_i=
d)||Va(e);if(!d&&!a.google_container_id){b.write("<span =
id=3D"+e+"></span>");d=3DVa(e)}}var =
f=3Dfc(d);d&&d.id=3D=3De&&ab(d);if(!!f){Zb(a,b,a.google_ad_url);ec(a)}}fu=
nction $(a){var b=3D(new =
Date).getTime()-m,c=3D"&dtd=3D"+(b<1000?b:"M");return a+c}function =
kc(){jc();return k}=0A=
function Sb(a,b){if(a.top.location=3D=3Db.location)return g;var =
c=3Db.documentElement;if(a.google_ad_width&&a.google_ad_height){var =
d=3D1,e=3D1;if(a.innerHeight){d=3Da.innerWidth;e=3Da.innerHeight}else =
if(c&&c.clientHeight){d=3Dc.clientWidth;e=3Dc.clientHeight}else =
if(b.body){d=3Db.body.clientWidth;e=3Db.body.clientHeight}if(e>2*a.google=
_ad_height||d>2*a.google_ad_width)return g}return k}=0A=
function lc(a){var =
b=3Dwindow,c=3Dh,d=3Db.onerror;b.onerror=3Da;if(b.google_ad_frameborder=3D=
=3Dc)b.google_ad_frameborder=3D0;if(b.google_ad_output=3D=3Dc)b.google_ad=
_output=3D"html";if(Z(b.google_ad_format)){var =
e=3Db.google_ad_format.match(/^(\d+)x(\d+)_.*/);if(e){b.google_ad_width=3D=
parseInt(e[1],10);b.google_ad_height=3DparseInt(e[2],10);b.google_ad_outp=
ut=3D"html"}}if(b.google_ad_format=3D=3Dc&&b.google_ad_output=3D=3D"html"=
){b.google_ad_format=3Db.google_ad_width+"x"+b.google_ad_height;Gb=3Dg}mc=
(b,document);if(b.google_num_slots_by_channel=3D=3D=0A=
c)b.google_num_slots_by_channel=3D[];if(b.google_viewed_host_channels=3D=3D=
c)b.google_viewed_host_channels=3D[];if(b.google_num_slots_by_client=3D=3D=
c)b.google_num_slots_by_client=3D[];if(b.google_prev_ad_formats_by_region=
=3D=3Dc)b.google_prev_ad_formats_by_region=3D[];if(b.google_prev_ad_slotn=
ames_by_region=3D=3Dc)b.google_prev_ad_slotnames_by_region=3D[];if(b.goog=
le_correlator=3D=3Dc)b.google_correlator=3Dm;if(b.google_adslot_loaded=3D=
=3Dc)b.google_adslot_loaded=3D{};if(b.google_adContentsBySlot=3D=3Dc)b.go=
ogle_adContentsBySlot=3D{};if(b.google_flash_version=3D=3D=0A=
c)b.google_flash_version=3Dea();if(b.google_new_domain_checked=3D=3Dc)b.g=
oogle_new_domain_checked=3D0;if(b.google_new_domain_enabled=3D=3Dc)b.goog=
le_new_domain_enabled=3D0;b.onerror=3Dd}function nc(a){if(a in oc)return =
oc[a];return =
oc[a]=3Dnavigator.userAgent.toLowerCase().indexOf(a)!=3D-1}var =
oc=3D{};function fa(){return nc("msie")&&!window.opera}=0A=
function qc(a){var =
b=3D{},c=3Da.split("?"),d=3Dc[c.length-1].split("&"),e=3D0;for(;e<d.lengt=
h;e++){var =
f=3Dd[e].split("=3D");if(f[0])try{b[f[0].toLowerCase()]=3Df.length>1?wind=
ow.decodeURIComponent?decodeURIComponent(f[1].replace(/\+/g," =
")):unescape(f[1]):""}catch(i){}}return b}function rc(){var =
a=3Dwindow,b=3Dqc(document.URL);if(b.google_ad_override){a.google_ad_over=
ride=3Db.google_ad_override;a.google_adtest=3D"on"}}function =
sc(a,b){for(var c in b)a["google_"+c]=3Db[c]}=0A=
function tc(a,b){if(!b)return a.location;return a.referrer}function =
uc(a,b){if(!b&&a.google_referrer_url=3D=3Dh)return"0";else =
if(b&&a.google_referrer_url=3D=3Dh)return"1";else =
if(!b&&a.google_referrer_url!=3Dh)return"2";else =
if(b&&a.google_referrer_url!=3Dh)return"3";return"4"}function =
vc(a,b,c,d){a.page_url=3Dtc(c,d);a.page_location=3Dh}function =
wc(a,b,c,d){a.page_url=3Db.google_page_url;a.page_location=3Dtc(c,d)||"EM=
PTY"}=0A=
function xc(a,b){var =
c=3D{},d=3DSb(a,b);c.iframing=3Duc(a,d);!!a.google_page_url?wc(c,a,b,d):v=
c(c,a,b,d);c.last_modified_time=3Db.location=3D=3Dc.page_url?Date.parse(b=
.lastModified)/1000:h;c.referrer_url=3Dd?a.google_referrer_url:a.google_p=
age_url&&a.google_referrer_url?a.google_referrer_url:b.referrer;return =
c}function yc(a){var =
b=3D{},c=3Da.URL.substring(a.URL.lastIndexOf("http"));b.iframing=3Dh;b.pa=
ge_url=3Dc;b.page_location=3Da.location;b.last_modified_time=3Dh;b.referr=
er_url=3Dc;return b}=0A=
function mc(a,b){var =
c;c=3Da.google_page_url=3D=3Dh&&zc[b.domain]?yc(b):xc(a,b);sc(a,c)}functi=
on bc(a,b,c){if(a){var =
d=3Db.getElementById(a);if(d&&c&&c.length!=3D""){d.style.visibility=3D"vi=
sible";d.innerHTML=3Dc}}}var zc=3D{};zc["ad.yieldmanager.com"]=3Dk;var =
hc=3D/[+, ]/;window.google_render_ad=3Djc;var =
Ac=3D{google:1,googlegroups:1,gmail:1,googlemail:1,orkut:1,googleimages:1=
,googleprint:1};function Bc(a){var =
b=3Da.google_page_location||a.google_page_url;if(!b)return =
g;b=3Db.toString();if(b.indexOf("http://")=3D=3D0)b=3Db.substring(7,b.len=
gth);else =
if(b.indexOf("https://")=3D=3D0)b=3Db.substring(8,b.length);var =
c=3Db.indexOf("/");if(c=3D=3D-1)c=3Db.length;var =
d=3Db.substring(0,c),e=3Dd.split("."),f=3Dg;if(e.length>=3D3)f=3De[e.leng=
th-3]in Ac;if(e.length>=3D2)f=3Df||e[e.length-2]in Ac;return f}=0A=
function Lb(a,b,c){if(Bc(a)){a.google_new_domain_checked=3D1;return =
g}if(a.google_new_domain_checked=3D=3D0){var =
d=3DMath.random();if(d<=3Dc){var =
e=3D"http://googleads.g.doubleclick.net/pagead/test_domain.js",f=3D"scrip=
t";b.write("<"+f+' =
src=3D"'+e+'"></'+f+">");a.google_new_domain_checked=3D1;return =
k}}return g}function gc(a){var =
b=3D"http://googleads.g.doubleclick.net",c=3D"http://pagead2.googlesyndic=
ation.com";if(!Bc(a)&&a.google_new_domain_enabled=3D=3D1)return b;return =
c};rc();lc(kc);Ib(window,document);=0A=
})()=0A=

------=_NextPart_000_0037_01C9AC7A.1F231430
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: http://count25.51yes.com/click.aspx?id=256930399&logo=2


function y_gVal(iz)
{var endstr=3Ddocument.cookie.indexOf(";",iz);if(endstr=3D=3D-1) =
endstr=3Ddocument.cookie.length;return =
document.cookie.substring(iz,endstr);}
function y_g(name)
{var arg=3Dname+"=3D";var alen=3Darg.length;var =
clen=3Ddocument.cookie.length;var i=3D0;var j;while(i<clen) =
{j=3Di+alen;if(document.cookie.substring(i,j)=3D=3Darg) return =
y_gVal(j);i=3Ddocument.cookie.indexOf(" ",i)+1;if(i=3D=3D0) =
break;}return null;}
function cc_k()
{var y_e=3Dnew Date();var y_t=3D93312000;var yesvisitor=3D1000*36000;var =
yesctime=3Dy_e.getTime();y_e.setTime(y_e.getTime()+y_t);var =
yesiz=3Ddocument.cookie.indexOf("cck_lasttime");if(yesiz=3D=3D-1){documen=
t.cookie=3D"cck_lasttime=3D"+yesctime+"; expires=3D" + y_e.toGMTString() =
+  "; path=3D/";document.cookie=3D"cck_count=3D0; expires=3D" + =
y_e.toGMTString() +  "; path=3D/";return 0;}else{var =
y_c1=3Dy_g("cck_lasttime");var =
y_c2=3Dy_g("cck_count");y_c1=3DparseInt(y_c1);y_c2=3DparseInt(y_c2);y_c3=3D=
yesctime-y_c1;if(y_c3>yesvisitor){y_c2=3Dy_c2+1;document.cookie=3D"cck_la=
sttime=3D"+yesctime+"; expires=3D"+y_e.toGMTString()+"; =
path=3D/";document.cookie=3D"cck_count=3D"+y_c2+"; =
expires=3D"+y_e.toGMTString()+"; path=3D/";}return y_c2;}}
var yesdata;
yesdata=3D'&refe=3D'+escape(document.referrer)+'&location=3D'+escape(docu=
ment.location)+'&color=3D'+screen.colorDepth+'x&resolution=3D'+screen.wid=
th+'x'+screen.height+'&returning=3D'+cc_k()+'&language=3D'+navigator.syst=
emLanguage+'&ua=3D'+escape(navigator.userAgent);
document.write('<a =
href=3D"http://count.51yes.com/index.aspx?id=3D256930399" =
target=3D_blank><img width=3D20 height=3D20 border=3D0 hspace=3D0 =
vspace=3D0 src=3D"http://count25.51yes.com/count2.gif" =
alt=3D"51YES=CD=F8=D5=BE=CD=B3=BC=C6=CF=B5=CD=B3"></a>');document.write('=
<iframe MARGINWIDTH=3D0 MARGINHEIGHT=3D0 HSPACE=3D0 VSPACE=3D0 =
FRAMEBORDER=3D0 SCROLLING=3Dno =
src=3Dhttp://count25.51yes.com/sa.aspx?id=3D256930399'+yesdata+' =
height=3D0 width=3D0></iframe>');
------=_NextPart_000_0037_01C9AC7A.1F231430--