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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)! }2 ?6 Y# Q* V
- #include <ESP8266HTTPClient.h>. C* _6 c' Z5 h/ s
- #include <ESP8266WiFi.h>& G Z' ^# x9 c% T: g2 Z- f) G( ?
- #include <ESP8266WiFiMulti.h>
( L" ^8 g4 \0 T" |. C6 n' i; q5 k - #include <ESP8266WebServer.h>
+ B& a: s5 K+ ?& z X - #include <arduino.h>/ a& u9 y6 w$ T+ O) |/ Y# U
- ESP8266WiFiMulti WiFiMulti;. S2 v x$ W1 e2 n- w+ E3 q u
- ESP8266WebServer server(80);
# Y: [* B/ ]9 @2 B9 q/ q - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";; g2 X) M- _! x# X( J6 k
- ADC_MODE(ADC_VCC); t' z4 b d, _+ p8 Y
- void setup() { i' l8 P1 e/ w& R
- Serial.begin(115200);8 u/ d- j; m9 l6 I; b2 } \
- Serial.print("\r\n\n");
2 `2 {. i8 t! T" b - pinMode(2,OUTPUT);- q9 b# m7 |0 ?7 k) ^/ M5 h- r
- // WIFI
5 H g8 ^' X$ ]: v/ \ - WiFi.mode(WIFI_STA);
1 Q$ F. j2 u2 i- W - WiFi.hostname("Sparkle");
& M u2 n2 [# C9 L p9 z# f - WiFiMulti.addAP("wifi ssid", "wifi password");1 q! m) q7 |" a! v' p" Y: W3 Y$ \3 ^
- int tryNum = 15;& K, L4 D% D) ~7 i* a" B7 }$ L# d
- Serial.print("Connect WiFi");' L/ U; T- Z7 q+ G
- while (WiFiMulti.run() != WL_CONNECTED) {
+ r1 P! D- Y# J! C5 a) h% \ - digitalWrite(2,0);
6 d( w" t6 r# G' D9 s - delay(200);. y: }: H ~" p `; x1 `
- digitalWrite(2,1);8 q$ p+ c+ U0 ~
- delay(300);# R: d8 t$ ~& y% N, B
- Serial.print(".");; f! L6 J2 C, c, X3 {: S. z& c
- tryNum--;0 M7 N3 }3 e0 \2 Q$ e: d, ?
- if (tryNum == 0) {
/ z# K: P0 z9 w0 T8 O - // 1min4 F' K2 q3 q- g) x: o" F6 r! G
- // ESP.deepSleep(60e6);
# `1 }7 n( G* J3 U: y( z - ESP.deepSleep(0);9 f1 T/ D4 G1 x" t0 Q
- }
O2 y" O j0 a - }
3 f% l- M8 `1 O' m$ r - Serial.print("\r\n");
* \) n6 R6 W+ @- v0 P - digitalWrite(2,1);2 m/ _& v2 j7 v9 x+ A; R3 J" i1 I
- Serial.print("IP address : ");8 j" P" h$ e) m" Y4 g
- Serial.println(WiFi.localIP());
0 Y! }7 O9 s" F# f: ?" P, t - server.on("/", HTTP_GET, [](){! n7 Y6 j+ M$ l, Q% z7 c
- server.sendHeader("Connection", "close");( w( n$ r: P( W6 I- s+ U
- server.send(200, "text/html", serverIndex);
; A4 O0 d! g1 \. ~ - });
8 z# f" J! Q: K+ l9 G - server.on("/update", HTTP_POST, [](){
7 o/ v* P3 d ]- a6 d - server.sendHeader("Connection", "close");
5 u3 @( O0 }* v - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
- o n9 m; p! [: r - ESP.restart();; l+ D! x' t3 O
- },[](){6 y# M" a. v/ J2 r) T# K/ X1 C
- HTTPUpload& upload = server.upload();9 s9 W! l$ U/ u: y
- if(upload.status == UPLOAD_FILE_START){
+ f1 U5 C8 {% A/ |4 R - Serial.setDebugOutput(true);) O# u8 V% _0 ]3 L% P; A
- Serial.printf("Update: %s\n", upload.filename.c_str());
8 A+ h7 h" m" L - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
; Z7 S* u* B2 u/ w - if(!Update.begin(maxSketchSpace)){
- X X$ d. E+ ~& M H/ t - Update.printError(Serial);6 x) j! l# _: b( Y3 E$ s
- }
5 R& B0 i0 n2 c - } else if(upload.status == UPLOAD_FILE_WRITE){
( G5 z8 P- ]; z6 [6 \ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
) R, E# I0 A5 T/ O+ f* c - Update.printError(Serial);
+ R+ Y3 A* T) D - }
/ l( P' |1 b' i2 \ - } else if(upload.status == UPLOAD_FILE_END){
2 Q: F8 d; ^' R - if(Update.end(true)){; ~2 t6 \) M/ R3 @- [3 N
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);5 F3 l& i: o* I8 @5 L
- } else {: l0 A9 K o( w
- Update.printError(Serial);
4 m) \/ a0 o: v% _ - }* C7 @8 T% X$ x$ H/ o: {
- Serial.setDebugOutput(false);
! q! p5 U' R/ u* ?, z/ j; j - }
# @+ [$ H' h& T# S2 {; Y. E, J - yield();
8 b$ M1 p6 \9 q4 J! j% a+ L - });
3 U0 e7 N4 w5 K! I -
9 Z n6 o" X7 k7 p0 f* a# J - digitalWrite(2,0);9 l. X% z2 c" D2 ]# x2 E( l: `
- mainAction();
7 h$ F# h7 l, O4 q1 ? - if (digitalRead(0)){+ G2 V" n$ t" X \2 p% { w
- ESP.deepSleep(0);
* C4 L }: ~5 L" ~: Q - } else {1 w1 U0 k" G# a, H1 h5 v$ Q
- server.begin();3 g3 Y q* p% V7 Y
- }1 K5 k& ]5 {* x) n' K6 C3 v* l
- }
7 v1 G Z/ G0 v' o; N, C - void loop() {# _& H# t" z: X
- server.handleClient();
7 [0 o4 o9 J5 D% f - delay(1);9 `; ]* O/ Z' {$ c2 n6 J) S
- }" m$ L8 z: a: g% E4 n: @) Q- g8 ]
- String doGet(String url){
4 r& a, e; R- d4 Z/ P - if ((WiFiMulti.run() == WL_CONNECTED)) {
$ R8 N9 k+ Q2 g" X( n# X4 T - HTTPClient http;
' a$ w' @& E, v" y7 O: ? - Serial.println("[HTTP] begin...");/ U( z0 E9 r0 N2 ^8 v* @8 U3 i
- if (url.startsWith("https")) {$ r1 B" M5 E6 J2 E$ Y
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");1 A1 @# e" ]2 D K$ W9 I
- } else {' t3 t9 l ]5 L# L. @+ x- T
- http.begin(url);+ I% Z3 L6 |5 u l' v- F
- }( s) J$ x1 j3 c/ ^# W& ? D! u5 x/ l- t
- Serial.println("[HTTP] GET...");
* l- z8 ~6 C$ L& D% S - int httpCode = http.GET();& ?& {' h5 w0 r
- if (httpCode > 0) {
. S& j+ [9 K' U, P5 s; c8 [ - Serial.printf("[HTTP] code: %d\n", httpCode);
5 H- d; u+ F4 n: F" d" s - if (httpCode == HTTP_CODE_OK) {
9 K0 _9 W+ W, b5 l& \, _ - String payload = http.getString();
* d6 y f/ T& c: M" l - Serial.println(payload);
3 h- i: N, O- s5 \* ?4 e# U( |" v - Serial.print("\r\n");
+ `# l% o" [4 g% H. ?; X& Z8 k& v - return payload;; y$ k. v4 h3 B: u& Z
- }
( u1 y# E# P$ p - } else {
( I. u1 }9 l5 h+ r9 I7 p% z - Serial.printf("[HTTP] GET... failed, error: %s\n",# Y* E0 @8 u+ t) W* C3 L2 V+ u% O
- http.errorToString(httpCode).c_str());
, M1 ~9 G* `' A s8 C' _; v - }& D1 n4 q8 c0 K$ o! Z0 M
- http.end();
2 ^: b* A- C6 a2 O( r- T - return "";
3 C( A9 Y5 j( v7 G* `- j - }9 O+ ^7 B0 l! `9 q7 d: ] W
- }
0 s* M c; g6 Y N, t, ?) \ - void mainAction() {
6 j5 [: H9 w6 g6 g - // 发送请求. i( _1 K }5 y* ?* c
- doGet("http://google.cn");4 ]& G$ [2 @! F+ B$ [3 T
- }# ~6 q" f; ]5 U* f( H
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