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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)+ ?, T a! x5 L! x# P$ v
- #include <ESP8266HTTPClient.h>
! H6 K4 ]9 V5 N* Q, F# ? - #include <ESP8266WiFi.h>, Q. T$ @+ {3 Y4 I
- #include <ESP8266WiFiMulti.h>
8 n3 \! t1 B5 l( M; W - #include <ESP8266WebServer.h>
/ s7 x" E$ ^ r" u! x - #include <arduino.h>
1 M" a9 r( t% C5 k - ESP8266WiFiMulti WiFiMulti;
' f3 ]5 r) O( `. L5 A+ a - ESP8266WebServer server(80);( V+ J; D" ]0 i$ \6 h
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- b' X2 @% E: N/ P
- ADC_MODE(ADC_VCC);
& \( R/ q( N/ q! F: A0 I - void setup() {
$ B2 z$ H* g/ f' ~; Q - Serial.begin(115200);
: F5 A3 ?. M0 Y$ t - Serial.print("\r\n\n");! [8 d, `5 D2 |: q8 G" d
- pinMode(2,OUTPUT);! l" u. }& v4 g5 k
- // WIFI- H" f5 F# z/ q
- WiFi.mode(WIFI_STA);
: _7 i0 I1 ?% W# l - WiFi.hostname("Sparkle");3 m1 _) C) z5 C# ~+ g# D$ X& j
- WiFiMulti.addAP("wifi ssid", "wifi password");3 ^4 u5 s) G# k% I& v( n8 Y% G
- int tryNum = 15;8 X P) T9 _# a* u' G
- Serial.print("Connect WiFi");
& j* U% G, f8 c$ j - while (WiFiMulti.run() != WL_CONNECTED) {
$ w2 _2 l; U2 I$ Z* c+ o - digitalWrite(2,0);) N" r7 _# N% l R: L+ [
- delay(200);2 Y% d; m H# y
- digitalWrite(2,1);
* A. f. q( ]9 r1 v X9 h - delay(300);9 U/ X- T7 v! t- H0 ?4 E
- Serial.print(".");1 {+ S- V$ @$ `
- tryNum--;" z1 ~9 H# y+ h: c1 l
- if (tryNum == 0) {
7 f' }. _$ C- M x. s! g - // 1min
1 N1 t8 p2 B, L) Q! B - // ESP.deepSleep(60e6);- ?- L& U$ ~) f- p
- ESP.deepSleep(0);2 S3 u# K/ {1 V
- }1 H1 l% z% C( E! W0 |- X# y4 L
- }
, _6 N' H. j" D) E9 F5 z - Serial.print("\r\n");0 s8 ^" F# ~7 g4 d
- digitalWrite(2,1);
* T7 i* y8 C, q8 z - Serial.print("IP address : ");; L6 g& }* e2 S, C+ g# z! I
- Serial.println(WiFi.localIP());1 U6 I/ c2 M- Z
- server.on("/", HTTP_GET, [](){2 j9 X: B+ a( e u
- server.sendHeader("Connection", "close");/ M9 g9 N9 I& r4 `. g
- server.send(200, "text/html", serverIndex);5 _" o6 Q1 g: o. a) U5 x n9 \
- });* m" [8 e( Z6 @
- server.on("/update", HTTP_POST, [](){
* l2 l n4 c9 L. n: [- _8 u" I9 U: L W - server.sendHeader("Connection", "close"); A- w+ \! u1 D9 w& X0 \8 A: s' b, h
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");8 n( O+ e$ Z n9 ~9 t
- ESP.restart();* l; o9 D4 i0 j9 q% N7 u
- },[](){( h" |/ [$ P5 z" i# q4 q
- HTTPUpload& upload = server.upload();, b3 j6 O8 ?2 N, o. T
- if(upload.status == UPLOAD_FILE_START){
; J; {: Y/ v$ x3 a2 }5 u - Serial.setDebugOutput(true);
* k4 G* r1 |0 j6 P5 z$ A5 Z2 R/ r - Serial.printf("Update: %s\n", upload.filename.c_str()); @* @3 R$ I' N3 V/ Y
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 S* x, j+ w( X, F' n; z4 m
- if(!Update.begin(maxSketchSpace)){) E, k, O* ^* d# y* X
- Update.printError(Serial);! E. I8 z+ B- c9 I
- }
+ A5 n5 d% t8 G* X) T- ?: X - } else if(upload.status == UPLOAD_FILE_WRITE){( ^! v6 }* Q; x M* x8 u3 L" J- p
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' ]: \5 n% |! C' ]) j5 u - Update.printError(Serial);
0 M; k: x9 ^" V - }
1 L) r4 v+ G& Y; P3 h5 F$ O- P - } else if(upload.status == UPLOAD_FILE_END){
2 D$ ?- U# O' {$ z4 i% b - if(Update.end(true)){% H5 w' \" e# e, K
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+ P7 z# F0 y+ k - } else {
& G* o; Q3 v6 P3 \- i- G! v - Update.printError(Serial);3 R% B6 k a$ K6 w3 ~' J2 ~- F3 ~
- }# ]* \0 G! p! K Z: a3 ?4 {- h; Y
- Serial.setDebugOutput(false);
6 Z8 ~, s. |$ D1 `' J5 `* Y4 Q - }- B" H; b( @4 l1 C$ S
- yield();
+ S- M9 M$ J K" l8 }+ i5 R - });
- x4 k: b6 E* p2 I$ k2 j) t0 q. { -
0 F: k6 j* \; ^) ~# f - digitalWrite(2,0);
# l" C5 b, b& B/ y( J( B - mainAction();4 Q# a1 @% T( e# m
- if (digitalRead(0)){
' s: r2 F( A, {* s" S9 r W7 T1 ^ - ESP.deepSleep(0);
! B1 s( M( j# p) P9 K3 A - } else {
8 `( T. i6 C2 l1 c - server.begin();5 g5 h# F2 d6 p k) ?( _& |
- }: n5 r: t* A. ]8 }/ Y
- }0 q$ }' B5 E7 I( h# |
- void loop() {
) L }" z* Z. ]+ M2 x) F0 l - server.handleClient();
3 c) \* Y5 e H' w0 r( P, y" d/ U* v - delay(1);
# Q _/ U2 m c b- I" R - }1 M/ B+ W0 x3 y D
- String doGet(String url){
7 l% R6 K- X0 L9 J8 A - if ((WiFiMulti.run() == WL_CONNECTED)) {
& N& a) @# _: N( R5 ] - HTTPClient http;
/ ]( ~* C* s3 Z. v5 }5 L4 X6 ~' u. y - Serial.println("[HTTP] begin...");, \8 w- F& x6 x Z9 Y
- if (url.startsWith("https")) {1 \8 G7 G& h1 T' ]
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");; ?" n0 J. V( u$ H" G
- } else {
& P9 N6 j: P) `" U - http.begin(url);
5 L" m* M- I8 ?- p8 o( w - }9 S/ G$ S1 `7 s
- Serial.println("[HTTP] GET...");/ z5 v) n9 ]" a* Y
- int httpCode = http.GET();" V3 @+ k6 v% x6 ]5 Y2 T8 Y ]1 J
- if (httpCode > 0) { l6 n1 v+ P$ U1 Q* \
- Serial.printf("[HTTP] code: %d\n", httpCode);
" k9 z2 y$ U& j6 @# E1 u - if (httpCode == HTTP_CODE_OK) {
! T! q0 a6 Y: F Q4 L - String payload = http.getString();6 s) x! H% b/ S4 K# f
- Serial.println(payload);# d# u2 F5 h5 _- y- @5 K" l Q& L
- Serial.print("\r\n");
2 h1 I& n( r7 m) K6 y' ]4 \$ C - return payload;8 ?3 k9 G: Q# Y ?3 q0 x
- }
# e& O8 L' b! h. Z- z - } else {5 H: N$ l+ N+ }
- Serial.printf("[HTTP] GET... failed, error: %s\n",- e* _" e& l; z6 Y' n: {$ `
- http.errorToString(httpCode).c_str());: i4 N7 T, Y3 z v& P' k+ @: R
- }) I9 |% l+ j. {9 ]& Z: G/ A
- http.end();: o* e# }6 J+ E
- return "";
, V' f! P7 T; B, w8 w# A! n - }
9 w0 j" W% n7 x( {8 T% o - }
8 C5 c( c7 C9 o9 {4 b - void mainAction() {
1 j0 y/ `7 f$ [ e0 d - // 发送请求
& |3 t, i/ f% S8 J - doGet("http://google.cn");( n5 l. n) ]0 |" h* u
- }7 H8 w! ^' f8 ?& d5 T8 s. k
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