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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)- [. S6 k0 \. b" z9 S# A
- #include <ESP8266HTTPClient.h>5 G& D2 r0 ^% h; V
- #include <ESP8266WiFi.h>. Z5 E3 z7 t9 V4 a5 c
- #include <ESP8266WiFiMulti.h>
* V: n( O2 L5 n3 g+ \3 j" X - #include <ESP8266WebServer.h>: h# N- v; e4 H0 Z5 I6 z
- #include <arduino.h>
1 a5 N6 U" D: y - ESP8266WiFiMulti WiFiMulti;' X9 ^( W2 A8 z0 S
- ESP8266WebServer server(80);/ M* }6 y' u: ~+ O/ o x
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";+ w2 I# l# P% D3 E
- ADC_MODE(ADC_VCC);9 I) r0 j: ^$ x* O& Q
- void setup() {) ~, ], u/ ]: M
- Serial.begin(115200);
! Q# E9 p# O7 H$ m% f. G - Serial.print("\r\n\n");2 _& f$ X3 y" o/ G/ p( m+ F
- pinMode(2,OUTPUT);1 A [, y2 B1 }7 x* x9 l5 i
- // WIFI- M, v1 l: A5 T8 Z
- WiFi.mode(WIFI_STA);
6 q; y, p( T$ E3 p8 B3 `$ o. p - WiFi.hostname("Sparkle");
3 @7 n5 t) ?1 B& G. O+ } - WiFiMulti.addAP("wifi ssid", "wifi password");$ H! p( t/ E; a3 d9 h) g& Q
- int tryNum = 15;
( P, H* S- q6 u8 ~ - Serial.print("Connect WiFi");/ J6 k& i1 q5 m
- while (WiFiMulti.run() != WL_CONNECTED) {# ~2 j) b7 ^$ w; h" W, K
- digitalWrite(2,0);% p _8 i6 `( m0 j# v1 e
- delay(200);3 x( B7 Y" R# R
- digitalWrite(2,1);1 Q& q w. N$ k1 f
- delay(300);
; s- u/ U! b" k* [# @6 i$ M - Serial.print(".");- @ z6 X- C) ~* h3 j
- tryNum--;! |) l5 G& a5 r
- if (tryNum == 0) {! e. M# [+ }- m6 ~8 |$ I
- // 1min
p9 G7 ]) i: T: B" H* ^+ Z - // ESP.deepSleep(60e6);
g" C' S4 h- T* H, A( ] - ESP.deepSleep(0);) D. O, J/ I+ J. J+ r: I- X
- }
1 f7 B8 C9 o6 t v - }: }, Z6 z/ Q# J
- Serial.print("\r\n");
" u- P! |3 l4 @% k0 |) l - digitalWrite(2,1);9 V8 F: v& \; o8 g
- Serial.print("IP address : "); P7 `0 }! H+ M+ C2 N
- Serial.println(WiFi.localIP());
" [3 G) R) r: W, Y' T - server.on("/", HTTP_GET, [](){
' i, b. Y( S$ d1 T0 Z% E - server.sendHeader("Connection", "close");6 F2 _8 \! i: e O1 ]5 ~
- server.send(200, "text/html", serverIndex);7 o7 H6 L0 c7 ^+ N& W7 T5 K
- });: u1 m# i( I- G4 D2 }% L1 \
- server.on("/update", HTTP_POST, [](){
4 _, C+ p4 I" ~; P2 ` - server.sendHeader("Connection", "close");1 _: u: q R( ~9 ^( t& L9 z m
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");6 N0 o3 b0 x& o$ U9 R: p
- ESP.restart();# J- V7 Q2 X0 I( {& r6 C
- },[](){( t; e! f* G+ s: ], ?" s
- HTTPUpload& upload = server.upload();
3 J: d2 M7 t4 w! |3 G3 V - if(upload.status == UPLOAD_FILE_START){. P! \ a9 t8 K; J& l% L% h/ \
- Serial.setDebugOutput(true);* Q0 i m' v- R4 v9 \: r6 p
- Serial.printf("Update: %s\n", upload.filename.c_str());2 ?4 Y* U5 {$ x' y/ t3 M2 @
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;- D2 q7 O, h* I" v+ T: X
- if(!Update.begin(maxSketchSpace)){
, I$ R7 n, g- v$ Z' R5 ~ - Update.printError(Serial);' b( K- b6 @* C
- }
% i$ H( o% B7 b: C2 D - } else if(upload.status == UPLOAD_FILE_WRITE){
) m9 {4 w1 }/ `& g, D& ?$ C - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){5 T" B: h( L: Q$ f+ b9 ?8 f" C
- Update.printError(Serial);- L6 T. V: V" G* c3 V' G
- }( t) W8 A3 F- F! o0 Y! v3 h
- } else if(upload.status == UPLOAD_FILE_END){
. V& W8 Z z8 ~: h - if(Update.end(true)){$ v& a1 h9 J- X$ ?
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
( w( I; d1 Y) W8 Z4 x - } else {
5 X: [# z! y3 \ - Update.printError(Serial);
/ K3 d% b& Y5 A7 Y - }
( S8 W1 i5 Q: y6 r. j) L' ^; r - Serial.setDebugOutput(false);
5 U7 r X, ~& ~9 J3 C - }" O _8 X+ x C0 y4 }# @9 w9 a
- yield();
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- 7 E2 z; |: J1 Q; f$ c4 d* z9 E8 C
- digitalWrite(2,0);+ G1 L) m9 | D! P
- mainAction();5 X! [: x7 I; P0 d- F# o: l6 }
- if (digitalRead(0)){" I# K+ Q, A' W" {! @
- ESP.deepSleep(0);
& b* K0 H4 t6 J7 c, n - } else {
5 r. P, D9 f4 O; w1 x4 R X7 F - server.begin();
1 T1 f1 F! V B z - }
) z# G3 [! h1 N - }
+ D( E, `# h: d$ t2 t. g6 ]8 _ - void loop() {+ Q3 }! e" O) g' u5 Q/ P
- server.handleClient();% a5 I/ {- z- D% d h1 d3 \& h1 _
- delay(1);1 A" a! X9 ]. H j7 i, b; O( N
- }
: B) h6 q8 }9 G1 C - String doGet(String url){
- F Y! F9 F7 d q i+ B - if ((WiFiMulti.run() == WL_CONNECTED)) {% p: ` P7 [+ R8 C
- HTTPClient http;( h$ k6 W- ~1 y% P: q0 t
- Serial.println("[HTTP] begin...");0 f7 G- ~1 V# R; e* j
- if (url.startsWith("https")) {$ e N) b8 |. u$ y
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
+ o% v, p/ C& X' D& u" ^ - } else {, i: v o. x( `0 ]' Z, U3 K( w+ [3 C
- http.begin(url);) |) Q& l% ~7 m( m
- }
1 @5 B# M# X( }; C - Serial.println("[HTTP] GET...");
8 J( E+ w% z# J/ w2 w C. u - int httpCode = http.GET();
: E- S! {* B1 d0 W6 _ - if (httpCode > 0) {" a! N( Z8 e; G3 o
- Serial.printf("[HTTP] code: %d\n", httpCode); Z A5 C4 V$ \
- if (httpCode == HTTP_CODE_OK) {
" B [: J0 Q3 o. r( o7 { - String payload = http.getString();
; N6 ]/ e; Q+ Q! q9 _; D0 A - Serial.println(payload); m3 M0 ~! a$ `8 Q1 B& ]- b1 R1 I
- Serial.print("\r\n");
% T5 `; n5 u+ S9 {6 n) s$ q - return payload;
1 `# I* ?$ R4 o% b4 Q7 Z5 S5 I - }' M7 K2 W- M* r" M6 G y. I$ M/ B) G
- } else { ~) R3 V0 \* F: ^, @' w- ~# `* j
- Serial.printf("[HTTP] GET... failed, error: %s\n",
8 {+ M1 [- R) ^( @, F$ e0 P - http.errorToString(httpCode).c_str());* h# z# R6 J( U7 d( U/ E
- }
+ }7 W' u2 p5 o4 A% ] - http.end();: ~5 Y* a# U; x d, X
- return "";
3 K1 Y b& M1 L" S" R* Z - }
! [+ ?" _+ R; m& I" y2 z. F - }( s3 J' n1 o; v9 i; r B/ J
- void mainAction() {
0 v% y! R7 D* P- r - // 发送请求
- v: ?' m$ I* Y! V - doGet("http://google.cn");
/ W$ ~! N: G3 _9 x% ?5 z, z! L - }, @/ X1 f, I; Y- s9 r7 h% z; S {5 _
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