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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)) p: `, G, L3 f' [. L
- #include <ESP8266HTTPClient.h>% x6 i# `7 k4 C, Z
- #include <ESP8266WiFi.h>* ~* P+ i* \) S# P" D, t
- #include <ESP8266WiFiMulti.h>
B+ X7 u4 E) v - #include <ESP8266WebServer.h>
# ?8 i( I8 `4 o0 u7 B. @ - #include <arduino.h>
! Z0 r, q( A# T1 {2 G5 @ - ESP8266WiFiMulti WiFiMulti;
% z3 ^0 _9 {5 m - ESP8266WebServer server(80);
% U$ h( S# C3 s _, M1 I a2 f - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";7 d- b; M" y8 @# i B# c0 @
- ADC_MODE(ADC_VCC);" s8 {7 B, M8 q5 \/ e' d; T; W
- void setup() {9 u! _9 T* B2 Q2 m( |6 R; }# o
- Serial.begin(115200);5 t7 Z B4 ?# R6 D2 @5 |' Y
- Serial.print("\r\n\n");/ P9 {3 R, Z; P$ m
- pinMode(2,OUTPUT);
$ R. X5 L& U l! C5 }. E w1 E2 L - // WIFI
! I2 X! @' o& u v! P - WiFi.mode(WIFI_STA);; _$ k! N9 p9 G' b' N- S+ j/ [
- WiFi.hostname("Sparkle"); w& R3 O j+ s( J# V
- WiFiMulti.addAP("wifi ssid", "wifi password");
j5 b1 |; T; r) E - int tryNum = 15;
. t5 u: ]. n4 H - Serial.print("Connect WiFi");* ?+ m7 Y/ }6 E1 t' R/ t
- while (WiFiMulti.run() != WL_CONNECTED) {, \# r7 l! G# Z0 J4 ^. l; U
- digitalWrite(2,0);
! n( N8 x, b2 d - delay(200);" L% ~! f" l( V! Z" b
- digitalWrite(2,1);
4 `3 F7 N4 ?! Z2 ?% q/ p - delay(300);
% J, |; \ s: b3 V - Serial.print(".");$ J& Y V) [/ X F- |5 P6 u. }
- tryNum--;
7 H, S3 S: E! Q2 U' _, \9 F - if (tryNum == 0) {) A3 ~8 A8 I H7 r2 o
- // 1min
. D4 ?4 W: d5 ?3 ]. z7 ] - // ESP.deepSleep(60e6);: O; X& T9 S9 b+ [7 B3 q) K Z
- ESP.deepSleep(0);
" D! o( F: i' S! I) o. Z7 [3 U - }0 m1 M( ]+ x( s# @0 s N
- }" ^; s: ~/ ?! V1 w
- Serial.print("\r\n");# x4 l& L9 V! u. j( A- }
- digitalWrite(2,1);
9 ~5 U5 b6 x8 c$ R* |. e0 X2 M - Serial.print("IP address : ");
, I5 Y5 t# ]) z; F5 \, ^( k [ - Serial.println(WiFi.localIP());0 J" I, V5 j! y8 z! z* M1 F
- server.on("/", HTTP_GET, [](){9 x, D, Z" }5 K. q. b
- server.sendHeader("Connection", "close");
9 y. v: G0 S3 G5 ^) q, }( | - server.send(200, "text/html", serverIndex);4 o0 P1 ^5 A8 U* o6 {$ J+ q
- });
* f! P3 E" |. Y; W3 h& b - server.on("/update", HTTP_POST, [](){, W$ a! N& I. ^+ J
- server.sendHeader("Connection", "close");- } g3 N' q; R) l1 {: b
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
& ?2 n+ k O5 z - ESP.restart();
( Y, V; w/ Z r0 a - },[](){
$ B0 J# f4 E9 Y7 Y2 q) t& u/ l - HTTPUpload& upload = server.upload();& P( U2 Y$ ]/ g
- if(upload.status == UPLOAD_FILE_START){
; G5 r5 y3 W5 y0 O4 r$ V% l" M9 ] - Serial.setDebugOutput(true);! {: r, B8 g9 ?3 Y& C$ V0 U" q6 p' l( I
- Serial.printf("Update: %s\n", upload.filename.c_str());
6 p; R4 d! F5 |1 T7 ^/ {) J - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;- ^ ]+ U% z3 {% d' J. x) V8 e
- if(!Update.begin(maxSketchSpace)){9 l2 o: M3 H* q w1 J' U: c& z; w! \
- Update.printError(Serial);. o$ g, U1 [( r* ~
- }
: c! ^2 ~. T8 ?2 Y - } else if(upload.status == UPLOAD_FILE_WRITE){
; `+ \4 K3 C' _$ k - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
4 M5 w; Z4 e5 M" g" ] - Update.printError(Serial);% H$ w- V$ d4 C% \5 q
- }+ [% {- O3 R: v% x0 S) Z
- } else if(upload.status == UPLOAD_FILE_END){
* N! ]' G( ]( r/ @7 t$ J% j4 @ - if(Update.end(true)){
+ T) M! i/ h A; w' v2 n/ M! e6 u% ^ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
# x. {7 _, g& E! b$ u9 [ - } else {( S. J* X6 l# j
- Update.printError(Serial);$ ~# g s/ i: X6 _
- }- d+ Q. X- A9 W, m j- B* y/ u
- Serial.setDebugOutput(false);
4 U3 I$ Y* X- i" W% S$ J - }1 u& i/ \+ ]- e
- yield();
3 u5 d8 C5 c4 X7 U, f0 E( v - });
1 w2 |; [% r1 x -
. a5 P+ _- Z$ g$ l& V' M - digitalWrite(2,0);
7 [) p2 _' \0 Q, q- r - mainAction();
! _: x( Q& h1 \7 z! a C% t; R - if (digitalRead(0)){ f( }: F. `0 G, S' o
- ESP.deepSleep(0);
& |. W# D" \# Z: M - } else {
+ w4 q6 g% Z' x# Z! T - server.begin();
! k7 i1 R- g6 d' e - }
. `* B' q& \( H - }
" r% {: S* _, G- B6 [1 F - void loop() {
& \% G: O" I0 A$ G - server.handleClient();4 U. ?/ W3 v' |' S
- delay(1);7 E/ b/ T1 Z$ ]7 w7 `
- }
! k- {! V( l7 m! e9 T5 F5 Y& s. m - String doGet(String url){
6 K* T% V) m6 U9 p* {7 i - if ((WiFiMulti.run() == WL_CONNECTED)) {: q6 W6 ?3 r7 y
- HTTPClient http;
) f- ]) M4 l- f# X - Serial.println("[HTTP] begin...");: M2 W& `) M: z: \- ~( K u1 w
- if (url.startsWith("https")) {
, i) N- W! E' }/ f$ n& s - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");0 c Q+ T x# c$ u/ ~) n+ b% H' M
- } else {. F! L0 X0 U4 L: ?- Q6 M
- http.begin(url);3 O0 ^4 K, v+ {% x* }6 z# o8 O
- }
; l$ w4 b8 v( P" E! T0 r# Y - Serial.println("[HTTP] GET...");
) u8 u2 y. b3 n& K5 U( p6 t7 n - int httpCode = http.GET();, K. W; d- B3 r& N- r- C
- if (httpCode > 0) {/ g2 _& x: q9 j$ b4 t
- Serial.printf("[HTTP] code: %d\n", httpCode);+ d0 r: k2 y$ A) R3 `
- if (httpCode == HTTP_CODE_OK) {
$ x# O$ a6 \" C/ x - String payload = http.getString();) K' h( T* e, c1 l
- Serial.println(payload);5 r6 X# o9 n' v0 ?( H, ?8 ?
- Serial.print("\r\n");
8 n! z$ A& B9 S+ P g8 i0 w/ u. m - return payload;
# H6 S/ A {5 G; }# g7 O - }" t! N; d8 n4 o, w
- } else {
" _: ]$ Y) J; {5 v; F( C2 t - Serial.printf("[HTTP] GET... failed, error: %s\n",! i& R" y6 G* C' {' Q6 D
- http.errorToString(httpCode).c_str());1 |* d( a9 O* s$ R1 `! d0 I6 g$ w' s
- }% f5 o5 Q- b, l1 d
- http.end();5 c( I2 z, [/ }- D
- return "";
: @' ^8 F2 u+ S/ G - }
+ K& R! a! I* W2 ?2 A# [) k2 a - }9 U6 [. g2 ]( C$ U
- void mainAction() {6 S+ Y8 @3 e1 T' {, ~: T, J5 |
- // 发送请求5 x2 h. s( U: c, f; N
- doGet("http://google.cn");6 b" [& _3 O' s6 V3 |3 @- d9 }* s' a
- }8 V' q ?) e; }5 Y
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