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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)8 s2 j) o8 R# m) J' G2 @
- #include <ESP8266HTTPClient.h>
3 @" d* o+ e+ g) G - #include <ESP8266WiFi.h>4 }/ O; e1 U) [! W+ ~% ^5 z
- #include <ESP8266WiFiMulti.h>
( u0 R# X, a" B - #include <ESP8266WebServer.h>
/ z& Q' J7 V. Q1 z4 T - #include <arduino.h>6 {* E, \1 K* R; }
- ESP8266WiFiMulti WiFiMulti;: _) R4 E* x* k: J& W
- ESP8266WebServer server(80);( Y4 d4 y$ `( p6 F) z) {' {
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
4 D2 H! F! x8 \+ ~/ i3 s6 T - ADC_MODE(ADC_VCC);
5 k, w8 V, a7 Y+ V$ H; y3 K - void setup() {2 G Y! Q# X) t0 A1 u
- Serial.begin(115200);
% `: e1 n$ P W# }4 ^0 F6 _ - Serial.print("\r\n\n");: } B* m. L4 U. i0 o, s
- pinMode(2,OUTPUT);+ i6 w. O2 S( V9 _' U1 d
- // WIFI. ~3 U% e8 D) p! H6 |
- WiFi.mode(WIFI_STA);
6 F' ?/ x, F6 z, w% [. l! O0 n - WiFi.hostname("Sparkle");$ q! ]# S0 f0 B' X
- WiFiMulti.addAP("wifi ssid", "wifi password");
- T( ~. ~: q/ y5 r - int tryNum = 15;9 I. ?! [2 W" d0 j1 A) A1 c
- Serial.print("Connect WiFi");8 v/ _1 |( U* X8 I7 d2 [
- while (WiFiMulti.run() != WL_CONNECTED) {9 c! A% c# w! b2 I- h
- digitalWrite(2,0);4 p3 C6 N! n' p
- delay(200);
- u- X; k. i$ G) f: s - digitalWrite(2,1);: q8 W, N" T+ Q/ S: } k$ |% {
- delay(300);
8 S+ U+ D* {& c; \ - Serial.print(".");( t/ e d8 U4 H' g, i
- tryNum--;
# S) K+ I3 V7 ] W* O0 u% }+ f( N+ Y - if (tryNum == 0) {8 E: r9 Y' \. _. r9 ~
- // 1min
2 d# @7 v# z5 J. ?) i6 | - // ESP.deepSleep(60e6);/ t9 F, |$ B5 ]9 X* Y
- ESP.deepSleep(0);
! k3 y4 j5 z J - }/ j5 U5 l9 ` Y4 K% c* G
- } k' N( ~2 Y6 O2 L$ N& |
- Serial.print("\r\n");* o. K( x9 @+ D9 `' X- n
- digitalWrite(2,1);
3 E% C3 s6 L- V% n3 D' F/ ] - Serial.print("IP address : ");7 a- I: G! |9 q& Y+ e6 ]
- Serial.println(WiFi.localIP());3 j) W& ? _- ]6 }$ e1 z
- server.on("/", HTTP_GET, [](){5 Z6 c& A0 s$ q' q; \
- server.sendHeader("Connection", "close"); s* q! y. n9 I* z. F) Z3 o8 |
- server.send(200, "text/html", serverIndex);* C# x; M2 _/ n. d
- });
6 S2 U# ?2 u1 W/ M# T7 @ - server.on("/update", HTTP_POST, [](){; ?2 x1 {: W0 R) J1 ~; t9 Y9 ]( {
- server.sendHeader("Connection", "close");; h O! z0 t) ?4 o e2 j" T- |& b
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" f2 z6 F# d" b5 J% h g& { - ESP.restart();
8 {" D, D. ^5 D7 Q; r% O8 \ - },[](){ ?* t1 J% P! s h4 P: A. N* c
- HTTPUpload& upload = server.upload();
2 _ m" c4 p( d7 {3 z7 K! G - if(upload.status == UPLOAD_FILE_START){) p; H8 ?( E6 v: K
- Serial.setDebugOutput(true);
2 f" K9 j/ h0 H0 J1 E# K9 D - Serial.printf("Update: %s\n", upload.filename.c_str());
, w& W9 R' S. R) a* ] - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
" v6 R" D) F7 k9 b- N) g0 u - if(!Update.begin(maxSketchSpace)){
, d( X, s" |8 x - Update.printError(Serial);
3 G# E* \& ]/ a5 r4 `% v - }
# |! }6 i* h6 t# c" t - } else if(upload.status == UPLOAD_FILE_WRITE){# L- N, x" w, w/ G
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){, x: m+ b2 _3 b: k2 U) [
- Update.printError(Serial);6 \4 e" {& [! P4 |; k8 b, e, Z
- }" m4 k- n/ N) u3 M$ V2 ~0 x% W
- } else if(upload.status == UPLOAD_FILE_END){) D4 v; ]1 L1 T& H
- if(Update.end(true)){
- Y# | E2 I. `) O% m - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
# h; H( n6 i8 s# s( V, t - } else {
7 w9 j6 o- Y( g6 w& I - Update.printError(Serial);
4 H- n# J1 E7 f7 N- o5 I; u - }- Q' q7 C, R5 U
- Serial.setDebugOutput(false);! p3 N5 }# u9 t) P6 q2 h
- }
" O1 V9 ?6 d7 V( H v - yield();
' H+ h% `+ ?8 z4 n8 t( M, } - });
& w: v" _# w2 v/ U4 q- S) } -
6 G$ p& z) M/ H% M0 z: | - digitalWrite(2,0);3 A% k4 H, T9 w$ f
- mainAction();
/ @3 N+ K- {+ }- H6 d" c' X. m$ w - if (digitalRead(0)){9 S( ~& G) D2 E- V# {
- ESP.deepSleep(0);8 Z7 @) g' ]) u. R5 E; } W" d7 H8 {
- } else {% w# A- V( A) {0 Y
- server.begin();2 I' F0 X* {' G$ H8 N
- }$ C3 h& L& G$ A5 t9 A, |' P
- }# J. Y6 F1 {$ Z9 M7 L
- void loop() {
* _ m$ {3 s8 B& J9 j8 E$ ~ - server.handleClient(); A1 O: q; Z# H+ X
- delay(1);- T L8 g9 w8 t
- }4 a( b- t1 n4 m3 b+ P$ A
- String doGet(String url){
8 f! j: K) x5 A* A9 f - if ((WiFiMulti.run() == WL_CONNECTED)) {
+ B2 F- l q! _! B - HTTPClient http;5 D, k0 q, C4 e2 d7 f0 c9 c
- Serial.println("[HTTP] begin...");1 m% ?- f ]' k! ^/ b' `! y, @
- if (url.startsWith("https")) {
6 Q7 h3 [3 }; S( f+ n& F8 a3 I - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); J$ ]% H6 E1 l% T3 M' F j% R
- } else {2 |7 n3 |! {; o& F' w! A; F
- http.begin(url);1 l7 [6 B+ R& x/ d% t
- }
/ D; L& U% W4 }2 u - Serial.println("[HTTP] GET...");5 U' B+ N7 u& o) [: ~5 c
- int httpCode = http.GET();
) ~9 F, C4 H& G+ \0 L - if (httpCode > 0) {! l) A$ B% H5 a* h4 M& K9 `
- Serial.printf("[HTTP] code: %d\n", httpCode);$ I C% d) H" U
- if (httpCode == HTTP_CODE_OK) {% `2 l1 G2 j) D0 M
- String payload = http.getString();
. s6 N2 n0 V& B' P M6 \2 V; m - Serial.println(payload);
/ g' r1 Y. e) i- o - Serial.print("\r\n");( a, s; q. k9 e6 g
- return payload;1 l' U* p( l0 H
- }
& i# S) m' f, i* y - } else {
" w! H: v. V3 n/ W; p r: D - Serial.printf("[HTTP] GET... failed, error: %s\n",
I% T+ C7 L; A# C4 q8 [. u: j( U8 O - http.errorToString(httpCode).c_str());2 ~+ C* v( T% x. T
- }: r- K- b M9 T. Y: F0 W2 M. t F! ^
- http.end();& S, p% c: m) G- W* r, e
- return "";
$ a5 n1 ^3 [9 t# F( a. o - }
+ `) u; W) @4 P - }
9 }( _0 H, @- l - void mainAction() {* ]* W5 y& W6 B, \! a7 u
- // 发送请求: W$ B! I$ I# E8 d. ^7 D7 Y
- doGet("http://google.cn");
3 Y+ q" y% g1 x; U* J4 K - }
7 J- T6 F: t7 A1 A) M
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