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接上电池,用一个按钮把rst和gnd接上,按一下按钮就会自动开机发送请求,然后进入深度睡眠,可用于低功耗的物联网开关触发器(如需使用自动唤醒,还要将gpio16接到rst)' A' g4 m' f" s
- #include <ESP8266HTTPClient.h>! F) f2 C2 I5 U, H( |" H
- #include <ESP8266WiFi.h>
9 R2 D0 t4 r$ M4 d. v/ C5 | - #include <ESP8266WiFiMulti.h>! G; q& ^3 N$ ~7 `3 ~
- #include <ESP8266WebServer.h>/ ?- E4 N/ H+ Y: F: v8 h2 j& j' s
- #include <arduino.h>' B X- A& `$ E2 m- N p( V$ s! P5 ~
- ESP8266WiFiMulti WiFiMulti;% ^+ `+ ?$ r, O2 B! }5 p- l$ j
- ESP8266WebServer server(80);; C9 ]- x& w; \0 u) |2 r! r6 [
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ |4 p) B* w5 Y3 H P$ U, v
- ADC_MODE(ADC_VCC);
$ c7 |9 j: J6 ] _ - void setup() {5 D4 f; X \5 w
- Serial.begin(115200);" N: Q& I2 ]/ P: F9 r. T
- Serial.print("\r\n\n");
. \4 f! M6 X! Z9 g+ o6 N) { - pinMode(2,OUTPUT);
$ c) y+ Z2 V: U2 i) V* [; v - // WIFI
: n6 s4 M2 }$ m1 u3 v) \ - WiFi.mode(WIFI_STA);
! s' z/ A7 z/ t - WiFi.hostname("Sparkle");+ V# D4 v% [" B' q3 e9 R
- WiFiMulti.addAP("wifi ssid", "wifi password");
: L, ^( ?4 D* w$ m - int tryNum = 15;6 n: z2 E; P r9 D' `% D
- Serial.print("Connect WiFi"); _; u$ _% l/ K1 Q$ Z
- while (WiFiMulti.run() != WL_CONNECTED) {) G+ ^$ L1 R% }6 f& H) C3 A
- digitalWrite(2,0);$ f% K' l+ p1 b" R: j) b1 a
- delay(200);
5 N& R* o5 b" m" F. d, o+ f - digitalWrite(2,1);+ D! E0 A2 K6 w8 k/ B2 N
- delay(300);" P1 S2 u% a0 P7 m
- Serial.print(".");6 X) N) k- v2 L- I$ O0 q5 G6 D8 m
- tryNum--;
# o! y: P% e; \1 i% D1 G - if (tryNum == 0) {3 F( b4 f6 h% i* v( `" u e
- // 1min
2 _* m* ]7 K% _" ~ - // ESP.deepSleep(60e6);' V4 n5 U* F1 C6 w
- ESP.deepSleep(0);0 \9 T9 R% h1 I( ~( j& y. `$ R
- }
4 `, Z$ [% N* K - }2 V5 {( \9 p0 P9 R- G# R$ O& {
- Serial.print("\r\n");
( Q# ~5 v1 K6 g3 N - digitalWrite(2,1);
& x$ s( J2 F) z% [ - Serial.print("IP address : ");. E) E) E X! b, Q% S
- Serial.println(WiFi.localIP());1 @/ R, c7 O# e% `; a
- server.on("/", HTTP_GET, [](){: B0 H7 E% t- Q8 I) B, Z$ {
- server.sendHeader("Connection", "close");: C# Y$ C! b( B3 ]7 x) [% Z/ {2 z
- server.send(200, "text/html", serverIndex);
: Z+ h) x; R' z8 h5 ` - });9 y! U7 b* `8 B. O
- server.on("/update", HTTP_POST, [](){9 | \9 v, t2 z- ^4 c
- server.sendHeader("Connection", "close"); w5 r- k" N. D; E) H8 R1 O; x' {
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
. ]2 Y. y( R7 e h# r v - ESP.restart();
' `) n; n& O: K - },[](){8 h3 B7 o6 S* O+ p0 k U7 F
- HTTPUpload& upload = server.upload();
3 T1 J( [$ C% N4 g* [. z! g - if(upload.status == UPLOAD_FILE_START){
' _' i( {0 V9 Y - Serial.setDebugOutput(true);/ q2 R% g0 P7 ? K! {9 l! U
- Serial.printf("Update: %s\n", upload.filename.c_str());
4 z" Y2 \6 p! A1 ? i" E0 G9 y. U8 y - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
. G; Z( Z% @) w$ U7 \1 a+ [ - if(!Update.begin(maxSketchSpace)){
( h5 E8 C2 M0 @# j) m0 S& G* z - Update.printError(Serial);4 p1 ^% A& L* M' g& h; j/ k
- }4 @) V- W4 ]" X# q$ @ f( r5 g$ `
- } else if(upload.status == UPLOAD_FILE_WRITE){- d( m' u- E/ s5 s# S
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){7 a' H# O4 N) z7 \$ W4 G7 q% J
- Update.printError(Serial);
3 C" O) ]7 O) N$ {' q9 O - }
6 i$ o" K* j! Q! l - } else if(upload.status == UPLOAD_FILE_END){! o+ }7 o. _8 _, s
- if(Update.end(true)){
- v) v# t( Y: W8 r2 `" h3 X1 T% _ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
O5 \, z/ \7 D; s- } - } else {. A$ r" ?% m) `# g: @$ @2 z) K5 t
- Update.printError(Serial);
8 ?/ f' M6 {6 @ - }
- Z- c6 P, P: d9 Z - Serial.setDebugOutput(false);+ c7 ?2 d1 l6 U5 z# ~
- }5 y% U! x! ^ U) h& ]' C6 |5 S
- yield();, R! ?1 y4 ?: z
- });
7 g6 T( S4 c j$ K/ T% G -
! `; J$ a# L' a4 R8 f - digitalWrite(2,0);1 ^0 U2 ?4 t( i# G1 p: t
- mainAction();7 e$ g7 G3 w# Q5 Y% d. c
- if (digitalRead(0)){4 @' n2 a% V3 w$ d
- ESP.deepSleep(0);, s/ H ]9 M6 d; [6 e
- } else {- S8 A! m) `( O) O7 H
- server.begin();
9 U1 g% I* D1 C6 z - }5 J/ q; N, U5 d P5 L* @0 J
- }) l; n. }/ V: l' r
- void loop() {
% I, l) Q, Z$ x& a9 x* w - server.handleClient();1 r, R: P$ }; Q/ |1 p; k6 I
- delay(1);
6 @) X3 q$ X, F: c1 D7 o3 e$ E0 U - }8 ?# B3 l- b; e
- String doGet(String url){
& V* x/ h9 r) d - if ((WiFiMulti.run() == WL_CONNECTED)) {
" i- ^; Z( y5 _$ Y3 |+ r8 R& Q - HTTPClient http;
6 }2 E0 S# H7 z! U - Serial.println("[HTTP] begin...");
$ p x) F$ s* S - if (url.startsWith("https")) {
! b2 i( x; R& [/ [ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
$ ^. A+ [9 G* N - } else {3 j- h: n3 c7 j8 G+ U4 B2 M
- http.begin(url);
+ q: \/ E* W+ a4 E! @0 Q - }
, @7 E( ?* _8 K5 d - Serial.println("[HTTP] GET...");
" ?( h$ u; ]) \/ I7 o; c! X - int httpCode = http.GET();( W7 _1 U* \/ t4 G
- if (httpCode > 0) {- R5 N& }! }8 H" W/ ~! ~
- Serial.printf("[HTTP] code: %d\n", httpCode);6 u' q3 k s' K" y: s9 J( W, Z
- if (httpCode == HTTP_CODE_OK) {0 R( P. Y, D$ e% F3 t7 y, I2 ^
- String payload = http.getString();) n. ~2 N$ }6 A2 M! l& g. |
- Serial.println(payload);
7 J# @) s3 b5 {4 I3 S, y - Serial.print("\r\n");
' n- u) T/ p8 o0 r. h - return payload;
3 [$ a' ]9 l2 C1 x+ B5 U( i" i - }
9 [! |& ~. b# ^8 Q - } else {) `: a% B5 }' c- S( K
- Serial.printf("[HTTP] GET... failed, error: %s\n",+ b! o3 S; e" f4 m; G; ?1 Z4 L$ x
- http.errorToString(httpCode).c_str());+ D! X# j" |* {* x; z
- }
x/ r( [7 [+ |4 G6 n+ Z- H - http.end();
7 q# y& I$ c D - return "";+ e4 G( _0 S& D
- }; `* a/ c8 y$ g# x/ |- G* Z; N
- }
! F n5 h7 f" p2 b$ f2 A& W1 D2 K - void mainAction() {3 g7 j/ r Q! v6 F4 q1 b$ G' A
- // 发送请求0 P" T$ G z6 F6 @2 K4 j5 V4 g% X
- doGet("http://google.cn");
) C) S8 b! i: F% Q1 ?+ n) t+ W4 d - } l. ~# v" t& }0 B9 ?; i6 W `7 J4 E
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