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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)0 l8 `1 R9 t( t6 |- k4 N3 w
- #include <ESP8266HTTPClient.h> C: @ R- |$ y6 W) A0 A
- #include <ESP8266WiFi.h>
+ \7 h w+ O+ @% h1 C. ?- J - #include <ESP8266WiFiMulti.h>
7 Y. I0 J( G& i& M7 l; K - #include <ESP8266WebServer.h>3 U E/ H) l" B4 |7 j; e
- #include <arduino.h>8 l( f: b6 G7 L6 h! M% E
- ESP8266WiFiMulti WiFiMulti;0 z$ y/ y- t$ r' c( i: n0 j7 T& H5 n
- ESP8266WebServer server(80);
) [4 f4 [" i) z! L% z# X q - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";9 J0 g0 x" F0 v* ^3 d
- ADC_MODE(ADC_VCC);
7 y3 s: R2 j! w, C% z2 w- C - void setup() {/ r; Q) [( o( u9 o4 g6 n
- Serial.begin(115200);
- V( T4 }5 H. A% |& P0 P' \ - Serial.print("\r\n\n");
2 y+ d0 F- G4 b9 `/ ~. d3 ?4 | - pinMode(2,OUTPUT);( a5 D9 d8 `6 M S
- // WIFI
/ i0 m) s) o/ I4 V6 t) c# a& a - WiFi.mode(WIFI_STA);
- Y2 V$ f' _% {( r - WiFi.hostname("Sparkle");
- R; D9 r$ k) F; k1 W' E, Q - WiFiMulti.addAP("wifi ssid", "wifi password");) O. b, H1 a( S+ `
- int tryNum = 15;
% Z' B' i0 L" u4 x3 n% q8 X - Serial.print("Connect WiFi");* y" J3 {* p j9 q
- while (WiFiMulti.run() != WL_CONNECTED) {& T: e; u) _8 V0 d& p
- digitalWrite(2,0);4 v& F' B' D8 f, H
- delay(200);
. R) u, L X B8 ~9 r - digitalWrite(2,1);
) s% ?% u/ g/ \- y# g2 A- H& S0 | - delay(300);
) S# g9 @" Y; K& z% X, | - Serial.print(".");
% M0 Z% Y" A& U+ H( K+ x - tryNum--;; C& H( _! l% y; F8 G0 a5 @
- if (tryNum == 0) {
! X' \0 ]) k0 H- T: Q1 { - // 1min) }1 I. {* h' I% ^ Y/ [
- // ESP.deepSleep(60e6);
5 [, M* t9 Y! u - ESP.deepSleep(0);
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- }
! l3 x8 C0 b! Z$ U: E' v - Serial.print("\r\n");
7 Z8 j/ Y% M; M N - digitalWrite(2,1);: ]; z- v) ^, E% M0 T8 N3 f' { g, V
- Serial.print("IP address : ");
; q' M2 u0 X; Z$ Y; d$ ] - Serial.println(WiFi.localIP());, u" J0 R# M: `5 ?" v
- server.on("/", HTTP_GET, [](){
5 Y5 c/ O7 T: D - server.sendHeader("Connection", "close");
+ g8 |0 G5 B% B9 Z9 u1 G$ w8 { - server.send(200, "text/html", serverIndex);
. }" S/ m# d8 x2 p3 I$ m1 e - });
8 ~4 c3 Z. ~8 H6 \# p7 w - server.on("/update", HTTP_POST, [](){5 y# W2 L, {7 s0 [
- server.sendHeader("Connection", "close");
' `! t5 I5 m" Z - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" |9 O; f2 H8 s0 } - ESP.restart();9 P+ V+ |/ Z Y, w4 A/ j- q
- },[](){' w+ v! A* ~$ n8 W& X( Z% t6 g
- HTTPUpload& upload = server.upload();% i: L6 h7 @& [1 D3 F7 ]% \
- if(upload.status == UPLOAD_FILE_START){, B$ L2 U$ t/ J6 j9 C6 c2 V1 W4 a* }
- Serial.setDebugOutput(true);/ y6 o/ U4 l0 {' @& O9 m( M
- Serial.printf("Update: %s\n", upload.filename.c_str());" h; |% R: V+ j# P/ e5 z( p
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;1 C% r1 J0 t& O$ C2 B
- if(!Update.begin(maxSketchSpace)){
% [/ k# M# e& l$ V9 n: l+ K - Update.printError(Serial);. z5 h3 N) K$ l9 X
- }
0 P7 R$ p' G- y3 G7 v1 N; l - } else if(upload.status == UPLOAD_FILE_WRITE){# u5 r/ _+ X4 v
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 E% y# j( S- H d V. p' B% O
- Update.printError(Serial);9 q% m& N- j( j$ ~6 F; I% L7 E/ ^; b
- }
% b' s8 R; k9 p2 O - } else if(upload.status == UPLOAD_FILE_END){
( R5 x2 M4 h5 z+ F2 A3 F - if(Update.end(true)){
7 H5 M$ ~# z7 f% U - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& H/ q/ g P6 B" n# D v: v2 {
- } else {
) W- f1 ^- U: V1 a; T; p- S9 ^! G - Update.printError(Serial);
; ?+ f2 s7 s" E, }. H - }" g* L- {" I$ i* z' k: a
- Serial.setDebugOutput(false);( A; B a* Q: }" M
- }
0 p% F8 c; w& G" `4 w - yield();
! s0 z+ T# ?# A! \* c' y- K - });
& [0 y. z7 e" s9 K3 v/ D) M -
, ` \6 Y! J' p: x! V - digitalWrite(2,0);
7 L ^' W4 u# ~; Z' t - mainAction();
$ f5 y; R! n$ x - if (digitalRead(0)){& w! B# ~9 ?6 x/ t% f4 ]
- ESP.deepSleep(0);
$ B) n8 `+ i# t+ `) u$ B* i/ F - } else {
0 Q( g* z9 r" k3 ? - server.begin();
! t1 ]; K, K4 s% p8 A" ?' i - }/ p+ V9 x8 o* I/ ?4 D- S2 S
- }6 O; z0 F* t: X, _9 T8 o
- void loop() {9 I, K2 x' X1 B4 T& R" @0 [
- server.handleClient();) U. Q) e0 \( A/ |
- delay(1);
: ~! b0 ~& v R# D - }
$ l6 u+ E( a( \5 y: n% N - String doGet(String url){. O4 R! [! D' t3 R5 v3 `+ O$ B+ |
- if ((WiFiMulti.run() == WL_CONNECTED)) {
; _/ P) T$ h7 `+ V2 ?9 p5 k2 e - HTTPClient http;
2 Y' b# K0 q% @1 [* J - Serial.println("[HTTP] begin...");4 _% U- R( v4 c7 @2 F
- if (url.startsWith("https")) { ~7 P$ }: ^ N" }- q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");- g; t$ {6 X+ t$ L8 D% h
- } else {
- A3 A6 C0 a' S( K - http.begin(url);
6 L2 w8 A$ ~4 {) ? - }" H+ j1 R% M. {4 v* c
- Serial.println("[HTTP] GET...");
1 y+ ]9 R$ {' m4 m - int httpCode = http.GET();7 ?! f( t% A5 M6 l9 \ C4 C
- if (httpCode > 0) {) \) ]$ C# _# M9 {
- Serial.printf("[HTTP] code: %d\n", httpCode);! ]- j; V+ d* i2 j5 i
- if (httpCode == HTTP_CODE_OK) {
" Q6 p7 F% d6 q: z, s j - String payload = http.getString();
3 y% w) p8 R3 Y( j7 a- o - Serial.println(payload);* L% Y! g; }0 M1 t0 J& w' G
- Serial.print("\r\n");
! z( o8 C+ G. R$ j4 n( p - return payload;) W4 _/ r4 v( e+ l& f
- }. @7 a0 y2 [# r# j( v
- } else {
' X" J' h( Y! t7 c: a$ r3 f - Serial.printf("[HTTP] GET... failed, error: %s\n",
& j1 H* G' M" _ W2 B* u8 Z - http.errorToString(httpCode).c_str());' c/ @' `" B- g: x) T- i7 T# O
- }
5 t; Q1 w* L e' d; a- I8 _ - http.end();1 b1 u0 ]# n+ T1 {* ~# V+ }& q* K
- return "";
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- }5 ]. d# z m9 }1 ]( o
- void mainAction() {4 ~: h3 |+ c M0 e# N
- // 发送请求/ k4 O1 n |8 g- l$ ?
- doGet("http://google.cn");
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