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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)
; k( e% n _; h7 `; S- #include <ESP8266HTTPClient.h>) R0 K8 ?% B# i) T. ~+ t% C! t
- #include <ESP8266WiFi.h>4 m# I% D ?( I4 _" s9 x& T
- #include <ESP8266WiFiMulti.h>5 H2 K* F" A7 `7 z8 R* N* [: ?
- #include <ESP8266WebServer.h>- a; t6 Q Z. F
- #include <arduino.h>7 m5 j! P* }! Y. @: |
- ESP8266WiFiMulti WiFiMulti;
; r3 J C1 L; v9 A - ESP8266WebServer server(80);: F; m6 P* C7 r5 a% K3 l" ~- C H
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";1 k" r( F, E8 u1 y& _% R# g
- ADC_MODE(ADC_VCC);
: u2 h; G" H% H* E3 _7 q0 b/ J. R - void setup() {) ]2 t/ X1 \ s. _
- Serial.begin(115200); P) u& D3 l% M
- Serial.print("\r\n\n");# \, D& f8 s' s( u7 l) A& u
- pinMode(2,OUTPUT);* L" W5 n, w) E; k* w" w
- // WIFI
1 f) _' B9 b$ K4 B! F3 D+ f1 s - WiFi.mode(WIFI_STA); v7 L4 [, y4 T2 |# g0 p
- WiFi.hostname("Sparkle");1 D- t/ c5 ~$ _3 H' B& E
- WiFiMulti.addAP("wifi ssid", "wifi password");5 k# X: |4 r$ _: R. i6 G. _
- int tryNum = 15;7 _2 G9 U" R. R
- Serial.print("Connect WiFi");
0 t7 b1 W3 Y8 I3 ~ - while (WiFiMulti.run() != WL_CONNECTED) {7 E: j, |% R# s: T7 i4 K: F
- digitalWrite(2,0);7 l- O, C. v8 U! j) i. k& @
- delay(200);% q* E _+ U2 p
- digitalWrite(2,1);
# M5 ? j! s5 y3 X1 v0 p( o9 t - delay(300);8 |% U8 `5 i; T! u. i5 K
- Serial.print(".");
! ~+ C- {5 N2 y8 A- d0 R5 C8 R5 ~ - tryNum--;
. l, o) t" i- _( Z - if (tryNum == 0) {) T( B! k& i% p5 p- N0 A
- // 1min
" Q2 B1 z8 c' {: x, Q1 b) z - // ESP.deepSleep(60e6);
0 U' e6 P; B8 D( f% L, _7 ` - ESP.deepSleep(0);
8 m; F' }" a7 T: @* ?+ h; V - }
/ [0 e0 t& l: Q: b - }* R8 p8 x1 g; ^# _: v2 }# k
- Serial.print("\r\n");) y1 h" W/ M" v' c# G
- digitalWrite(2,1);
; d3 K( c# h6 G, W- r6 d - Serial.print("IP address : ");
# D* J! r) d, y/ [7 c: O) ~4 q - Serial.println(WiFi.localIP()); E. ^$ B' G+ A
- server.on("/", HTTP_GET, [](){
) {$ L7 G; O E- x1 l1 f7 j; x- a5 h - server.sendHeader("Connection", "close");! t# O$ d9 S) F. |! v/ T$ Y
- server.send(200, "text/html", serverIndex);3 d5 N" E8 }; g6 b' ` P% ^2 P
- });
5 r% C; C% q% l8 ?: E$ a - server.on("/update", HTTP_POST, [](){4 R. L/ |, o4 r' k% Z* S6 `
- server.sendHeader("Connection", "close");8 V# C! J+ ]. p) L- J. f' l. P
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
/ B/ Q+ k0 }& u! [ - ESP.restart(); |/ c; Y" |9 U5 @/ U, k2 H
- },[](){
% u; d" D2 A( ]- \* g - HTTPUpload& upload = server.upload();9 u7 w: ^% t6 k4 P
- if(upload.status == UPLOAD_FILE_START){2 b! v* K. U% ]9 {) X
- Serial.setDebugOutput(true);( K- W: Y6 b8 f+ x, o9 q% }1 ~
- Serial.printf("Update: %s\n", upload.filename.c_str());
7 \) f$ f) t; d% b- i P, z7 y - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;& O: S3 `6 i1 r" q2 N7 ~$ B9 M4 U
- if(!Update.begin(maxSketchSpace)){6 o3 L6 ?. z4 h# d+ P, t4 r
- Update.printError(Serial);) G) K( g3 U0 ]- Q; j7 S
- }
- J7 @9 l; b( g9 e9 l9 x - } else if(upload.status == UPLOAD_FILE_WRITE){6 y* @1 Y3 p5 C. L% E4 f
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
4 w9 v* k q' {7 G( |4 m9 ~ - Update.printError(Serial);
/ v6 R/ z4 d b' I$ t: w7 U( s - }! E) o9 K; K% a, y; }! q
- } else if(upload.status == UPLOAD_FILE_END){
4 q$ `1 \, U9 i" y$ B& R9 t4 q - if(Update.end(true)){; u8 j% U6 H% p
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);% x& [8 O5 K/ h* j% [* ?
- } else {
% `2 I/ ]3 p9 p X - Update.printError(Serial);
+ h* ]. l1 `7 L# t" i - }
2 G5 B6 r4 \- v) \/ B4 H& L7 H. ? - Serial.setDebugOutput(false);: N. J, Y% m' g6 @5 |3 Y4 Z
- }
3 r3 z$ F% s. h. Q# x5 ]! O - yield();. E) @% u( W, R. F: J; E$ c
- });
+ ]& o C) K+ A Y. @) i - ' z/ Q* {$ x4 t/ z4 m' f
- digitalWrite(2,0);+ v. V1 F3 ~/ x. x; q# v( H3 @
- mainAction();, R; ~) e1 O0 j( j' N8 w; o- [" @" n
- if (digitalRead(0)){
! |% @+ {# s, @& Z - ESP.deepSleep(0);
7 |& f; v, s0 r7 m! v - } else {6 o; \. U3 C& X8 l9 s, P
- server.begin();0 }1 Z! o9 s C# Q- e
- }
- s, Q; X6 M) K/ ? - }
# z& k4 ~) @& `6 K! a; y6 \ q - void loop() {
' }* A% F) y( W( ]8 K6 S7 ~ - server.handleClient();
5 ?. _2 Y4 N4 l) m6 E - delay(1);9 g$ h; q, u# C( `3 p
- }+ b) Y ]; S! d# n
- String doGet(String url){- {# m' _5 U8 \
- if ((WiFiMulti.run() == WL_CONNECTED)) {
- s, _6 F" J% w0 E6 i0 y* H( K3 y - HTTPClient http;
3 h7 d2 f% f1 S' D2 b+ } - Serial.println("[HTTP] begin...");, M' M: @& Y- k% `) Z: }
- if (url.startsWith("https")) {4 }7 j' G6 S- x: q/ @# J
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 i3 e A6 e9 r% a+ u5 P7 O
- } else {' |$ v( g) p" i& K0 y! Z% n& f
- http.begin(url);
: _# h/ A6 X# M T9 u& y5 T - }
6 Z7 h+ s* a7 f: g+ l+ I; o8 h - Serial.println("[HTTP] GET...");& m1 B6 E! K* r2 f, f1 k. Y7 d
- int httpCode = http.GET();- [4 ~& H6 s6 _7 C
- if (httpCode > 0) {
0 t) v" K# l5 ]4 J7 d1 ] - Serial.printf("[HTTP] code: %d\n", httpCode);
8 E: s0 |% h. S( z: U - if (httpCode == HTTP_CODE_OK) {
( U H3 W; s2 d+ d9 _: j0 t i- B7 z - String payload = http.getString();
8 D" E, |: [0 T; z( s - Serial.println(payload);
5 D) l+ w' N; H! E - Serial.print("\r\n");
L* M, ^6 x4 |" T* z2 a/ R - return payload;/ k2 o& X. u8 `) }1 P
- }5 w5 y' b$ [8 u
- } else {
9 O2 R& u7 Z! |2 ^$ A: j0 c9 v - Serial.printf("[HTTP] GET... failed, error: %s\n",( l! m. W! s E `3 E+ j
- http.errorToString(httpCode).c_str());
. Z6 c0 l& }* X3 u- D - }5 Q( n V4 I0 h7 U
- http.end();5 Q' ~2 I8 s1 ?+ s- c
- return "";( w: r0 z/ p, S+ f
- }2 \8 [9 F! k3 o) Z- K7 N" u6 J
- }$ G! i5 h4 s+ ~# H3 N
- void mainAction() {3 A2 i0 p+ {8 \2 E0 F9 l3 p% K
- // 发送请求
4 H: g" T3 v( C6 f" N - doGet("http://google.cn");
& f) }* b' Z! Y" X7 g7 [ - }
g$ K5 W6 D- \9 U
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