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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)) m' m' z P* l! l y0 O2 w
- #include <ESP8266HTTPClient.h>. L' U3 I4 I. A; N$ h5 S- A
- #include <ESP8266WiFi.h>9 i, z8 B: p6 q3 Y1 [* u8 @) g
- #include <ESP8266WiFiMulti.h>
2 o \) T& e/ c* [! r0 g- Z7 R - #include <ESP8266WebServer.h>
- j; W8 G! a; q6 ^& n( d. Y - #include <arduino.h>9 V) @ B6 V. v+ Q7 E! s, |
- ESP8266WiFiMulti WiFiMulti;
1 o; |0 u7 h# a* ^3 H - ESP8266WebServer server(80);
# b3 t$ X* \1 ?! b5 X3 Z( @) Y& E - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
/ x+ |; a3 ~* p( z. s1 r: ` - ADC_MODE(ADC_VCC);
1 {; b" f( e3 j. p2 ] - void setup() {1 y6 @/ C* v) P% R3 x* t
- Serial.begin(115200);
7 c2 D$ G; d8 s4 k8 s - Serial.print("\r\n\n");, K! B/ A6 Z* T5 D% }. Z0 p$ Y" @
- pinMode(2,OUTPUT);4 \/ M3 |( H- l: u
- // WIFI
7 d! K! w3 F, r8 p' k9 d - WiFi.mode(WIFI_STA);
3 ^( ]9 o3 T- Y8 W7 m - WiFi.hostname("Sparkle");
, Z& ^; \+ e' Y - WiFiMulti.addAP("wifi ssid", "wifi password");
) {0 |5 R7 u! w& X$ y# H( E+ \ - int tryNum = 15;
& |* }# _/ s: P+ p+ r - Serial.print("Connect WiFi");; s( ~$ q. _: F* Y$ m7 w5 y
- while (WiFiMulti.run() != WL_CONNECTED) {4 F8 B0 @5 U6 N+ }
- digitalWrite(2,0);6 L# d H4 d# \$ e
- delay(200);- L E. n5 `8 M
- digitalWrite(2,1);$ f/ l/ h0 x* S9 }6 K$ i
- delay(300);1 X7 U8 T; H* \# _/ F8 y \
- Serial.print(".");
$ x- b6 \9 @) ?/ ^! ] - tryNum--;# t5 H; f" R5 x6 V. ]( h
- if (tryNum == 0) {
i3 c# Z: `' O. E s. k9 @" T- Z - // 1min) J( A$ y' U2 _" y# |' U8 r
- // ESP.deepSleep(60e6);
2 \7 D/ S% q. p, h - ESP.deepSleep(0);+ j/ g9 e( d1 w3 k5 m
- }
' A g2 C& V6 n: P - }3 V: L) \$ @! k7 s
- Serial.print("\r\n");1 I1 n4 H8 [+ F( v7 f2 e8 Y7 P
- digitalWrite(2,1);
' p W6 F4 ?/ a/ x - Serial.print("IP address : ");! I! k2 p# h2 r: K9 ~: [3 e4 i
- Serial.println(WiFi.localIP());
0 \' s! Z% V! I1 @! _+ h5 ^ - server.on("/", HTTP_GET, [](){7 t* v; \5 L, l8 E! o
- server.sendHeader("Connection", "close");4 t$ C- D0 S+ U" X0 q# F
- server.send(200, "text/html", serverIndex);
# Q' T1 ~3 ]% z" b. C - });" z- w$ ], E7 c2 A
- server.on("/update", HTTP_POST, [](){
+ l T2 |* j% k* Y - server.sendHeader("Connection", "close");
/ p1 r% e5 |5 J% r - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");# }6 o7 w6 c) D% U* N4 l# d8 @- k& `& k
- ESP.restart();$ w$ J$ G4 O$ T; _1 R
- },[](){3 Z% S$ j" ~: }
- HTTPUpload& upload = server.upload(); K0 U/ N9 ]/ T. i5 c, g/ D; D
- if(upload.status == UPLOAD_FILE_START){
% v& h' g8 V( i- B% f0 q - Serial.setDebugOutput(true);' H0 a4 I) x2 H, c: ?+ R
- Serial.printf("Update: %s\n", upload.filename.c_str());
6 P2 @( }/ \# U1 v - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;5 q# O5 k; M& U! g1 A( f
- if(!Update.begin(maxSketchSpace)){
- \% p. a! W# x8 ~8 ~$ q - Update.printError(Serial);
# [1 Y! ^6 T3 ?8 a7 r - }: k8 G! M8 ?$ Q: H0 D1 q' Q) K
- } else if(upload.status == UPLOAD_FILE_WRITE){
* s. b4 |/ g$ A- _2 x2 l' l5 ]/ u9 ^; e - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
/ v+ M0 v8 ?' i4 Q2 O& h - Update.printError(Serial);% M2 z3 g5 h6 e$ H
- }7 K$ p) p; i: T. f
- } else if(upload.status == UPLOAD_FILE_END){
0 B4 W/ j' Y' g8 a! I+ _ - if(Update.end(true)){
8 y% e( y* O/ t; Z- [2 K - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);7 ?) g* `: J: L% o x
- } else {, t: m. B" _; c9 l- b3 W! r- q
- Update.printError(Serial);
8 s6 O! }( U' G4 B - }
$ }* U1 W% \' C' z3 {- ^ `/ t - Serial.setDebugOutput(false);6 t8 z; {( o; Q7 _1 r
- }
+ r' ]( \' t! }1 X - yield();# U) A0 h3 @3 q5 r7 O$ s& y
- });
1 S( Q7 Z& X7 f; n" w - v$ n" ?9 B/ s" ~, ^3 G
- digitalWrite(2,0);
3 z0 E$ ^' O8 b4 s! M& | - mainAction();, D% n% l0 }4 q# N9 \
- if (digitalRead(0)){9 _- b9 s( \9 c; ~! Y
- ESP.deepSleep(0);
6 W4 I0 `& z0 d; o& x - } else {
z: ^( d. l' ^; `. M8 l. a - server.begin(); ?" h6 z# i3 X7 T
- }
+ b6 a# X0 p3 U8 C4 M - }
' U% g8 M F- k A" g7 W0 P - void loop() {! `/ V6 t. z( i2 N1 X
- server.handleClient();
2 S g* N- Z5 z( s% D - delay(1);
) x, |$ ?0 t# E) J# ^ - }6 O1 k% k: H# o7 H( r: e
- String doGet(String url){0 I" e. u1 C: \+ Q9 w! Y9 G4 M
- if ((WiFiMulti.run() == WL_CONNECTED)) {
5 R. s8 X2 l1 ^) ~/ D& H - HTTPClient http;
, h0 L, j; @) O$ \1 f4 a2 s - Serial.println("[HTTP] begin...");' |% X, z, V) U! l
- if (url.startsWith("https")) {# L9 g$ Z; j* ]9 j
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
+ @* F* r: i" B% z3 }; l; y( d* j - } else {6 Y2 B2 W1 D1 y% g' G) `+ ~
- http.begin(url);
2 [0 ^1 W# ?% S) [ M - }
2 p' X8 G' b" X5 V3 ^: Z& x - Serial.println("[HTTP] GET...");
0 c6 p8 V* E3 B1 `! [' t - int httpCode = http.GET();% t F' x+ F0 c
- if (httpCode > 0) {5 ]2 C% a, j2 M& I/ S9 i
- Serial.printf("[HTTP] code: %d\n", httpCode);
8 h1 J2 h9 `8 ~1 T0 f) _ - if (httpCode == HTTP_CODE_OK) {
2 C+ G4 l" w# | Z4 S - String payload = http.getString();
1 @0 j+ L& v0 g8 y' }, E - Serial.println(payload);
Z, A: f$ d8 L/ g- m - Serial.print("\r\n");4 j2 J# r2 ?( {
- return payload;! Z F# U8 m4 a6 ^# m" Y
- }% R3 B) w5 S* @- Y' z! H4 I8 t' W
- } else {9 Z8 v; P! _% @ _6 O) l7 E! T& v
- Serial.printf("[HTTP] GET... failed, error: %s\n",( S& s6 m8 ]+ b5 D- k5 @
- http.errorToString(httpCode).c_str());
0 N' [) L/ g( U0 R1 M - }7 e7 \, H$ d+ C+ O: d2 v
- http.end();
: d1 W2 ~1 r) K, L - return "";+ H2 m o2 X0 o% a! q- k
- }+ w" d$ L" _. e' e5 z
- }
% x* L: T+ E8 u4 d5 ^: J& n$ \ - void mainAction() {0 Q" {$ {+ V( S' t
- // 发送请求
8 a5 k: d+ `( n) z! ~ \ - doGet("http://google.cn");& ^5 R, u/ e& P0 a2 Z
- }
# X @6 s m( F. A/ H
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