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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)' s- n/ s0 `- o% [9 b! M
- #include <ESP8266HTTPClient.h>& o/ [' [5 F2 f( C
- #include <ESP8266WiFi.h>4 B! L8 P8 e0 Q! G# J
- #include <ESP8266WiFiMulti.h>
( B; u0 o- j \8 A0 N! |) r - #include <ESP8266WebServer.h>' K! E% n5 M8 y! |5 m
- #include <arduino.h>
& W; S4 y5 {/ N; I9 i, K: i0 ] - ESP8266WiFiMulti WiFiMulti;
, D/ `5 F- C V1 S - ESP8266WebServer server(80);
% A* \( o: ^7 W$ C4 \1 _ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
6 }7 Y0 s0 B' v8 F* a* _ - ADC_MODE(ADC_VCC);6 g% p- r2 L& X) v/ w$ A
- void setup() {
) {" F) N D" k( e2 u: a3 z" G - Serial.begin(115200);
/ b5 H* X( C( S7 o - Serial.print("\r\n\n");. w. l- C! e; x/ l0 f- z) s5 l
- pinMode(2,OUTPUT);
/ w& A2 @; T; O* y( u# w" p) r" _( j - // WIFI; H4 t. F* e1 M+ r J6 X
- WiFi.mode(WIFI_STA);5 o" l7 f' [" K* U( ?, [
- WiFi.hostname("Sparkle");5 Z5 g- C7 x7 A* r0 d0 a7 a- Z
- WiFiMulti.addAP("wifi ssid", "wifi password");
# L3 n/ `# Q& I - int tryNum = 15;
5 ?( ]3 I% h8 H, d' d5 ^ - Serial.print("Connect WiFi");
" o# I% C3 U# \" d! | - while (WiFiMulti.run() != WL_CONNECTED) {
1 b( ~4 c N: \% y$ L/ O* Y S1 [ - digitalWrite(2,0);/ }( t+ ]7 w+ L, S2 w8 p
- delay(200);
; e: a& g, t; l2 H3 }; e - digitalWrite(2,1);: i: r& z# `/ z! k/ Z7 M( ?
- delay(300);9 x0 H* T( H9 _8 H
- Serial.print(".");8 F1 i! b' i- F3 D
- tryNum--;% g/ L! o/ e" {( Y
- if (tryNum == 0) {
- a' V& U: Q' Z9 V% d6 ?, }# ]8 i - // 1min( U0 P$ G$ B" ?& f; p' G. c
- // ESP.deepSleep(60e6);8 n) t3 n+ T: h9 c' g
- ESP.deepSleep(0);
$ `* _9 i: H2 ~" u2 Q. [6 m+ d - }
+ S' O4 ?/ ?! R- H- g - }1 V9 |$ b) ?, k6 s! {
- Serial.print("\r\n");
! d9 z+ |: E9 {% C - digitalWrite(2,1);0 R4 D$ q- d. {) X% J
- Serial.print("IP address : ");
, W+ y5 m3 |# S! A - Serial.println(WiFi.localIP());
5 j* E# E, D/ u - server.on("/", HTTP_GET, [](){/ F0 W! D6 O( P7 c% B4 R- B, F( K) Q, N
- server.sendHeader("Connection", "close");3 L5 y. A9 [$ M
- server.send(200, "text/html", serverIndex);
* A, Y4 E# v+ H6 i' t - });/ V0 B- p4 A9 h" d
- server.on("/update", HTTP_POST, [](){, y- B' w" v$ O5 L& A, O+ F
- server.sendHeader("Connection", "close");. B X" k& n6 z& u2 L% N. ^
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");2 R9 k2 @7 M9 C) Q+ {# d8 J
- ESP.restart();
: X0 i1 Z' M" ? y9 S" o - },[](){" g* p& _3 ?/ e1 B3 z/ g# B
- HTTPUpload& upload = server.upload();
: H/ E. b0 N1 `0 ]! Z- Q - if(upload.status == UPLOAD_FILE_START){6 J% M7 {/ g; o# u- p
- Serial.setDebugOutput(true);& F4 G/ P% v) w
- Serial.printf("Update: %s\n", upload.filename.c_str());
. u0 Y0 {3 Z7 ~3 Y& \" C( ` - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
" D: E2 |* s( o2 X3 N. T - if(!Update.begin(maxSketchSpace)){
' o* [+ j/ I% i2 V - Update.printError(Serial);3 h% [% E+ q4 J: r4 }8 s- G
- }; T: t4 Z( ]% b. n) l7 A6 b
- } else if(upload.status == UPLOAD_FILE_WRITE){8 h# A+ D! E8 b' A' K* o; E( R
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
9 R% H- A) E! E8 X0 {8 N( a, Q - Update.printError(Serial);
3 Z/ E9 j, h' f# U - }3 v3 Q: x3 l. [+ X% u5 @8 _
- } else if(upload.status == UPLOAD_FILE_END){: Q9 d: B' `% K K; r! ^4 Q
- if(Update.end(true)){
( D9 B( Q2 g4 X$ h8 C - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);4 V; r, ~& X" V$ G3 b7 c5 d: D
- } else {5 [2 B! c' ^+ @5 _( Y) G. U3 f( M
- Update.printError(Serial);
' \0 g7 A7 U& D& g( f) H; j; s+ P% B - }
4 {# i3 P5 H- Q( r; b - Serial.setDebugOutput(false);( D! @! O# _, I7 V' F6 N
- }
* z1 f$ W* c6 \/ A" d8 O5 l' x. O - yield();
4 W- Q7 `7 E0 }5 _7 Y) | - });3 [# A' E# i2 q" B4 m* B
- 3 {/ V p+ l" R: O) y% j
- digitalWrite(2,0);# l4 v4 o5 G% [* e% t2 P, F# ~- T
- mainAction();
# _2 X1 s& _' u1 [2 Q6 A. {' M - if (digitalRead(0)){8 U0 Y# G* p" c/ z" g* c
- ESP.deepSleep(0);
* D: d- ^* S0 y* S5 q( p2 Q - } else {
8 x! F' i$ ?- _* W9 K2 u5 m - server.begin();
( T4 U& R8 m: L) a2 G# A- W2 E; b - }
1 w6 c8 r5 j! n2 R! t, [1 H - }
! P$ ]9 ~; A; c0 i - void loop() {4 G# J6 Z( S+ \! `: Q5 X' ^- z3 P
- server.handleClient();5 t* n" r) _9 D5 o$ A4 x
- delay(1);0 K8 j, u; F8 u, |+ X3 a
- }7 X5 u( @/ b" S' w* K! R/ ] T
- String doGet(String url){6 d" S; {4 r" f: J8 P
- if ((WiFiMulti.run() == WL_CONNECTED)) {& C' c0 I3 s& S- H; i+ A+ x
- HTTPClient http;
$ F. x, p" N+ g. U3 j; j1 V - Serial.println("[HTTP] begin...");. H* a: f% L8 e* [. m9 o E' P+ Q" x8 q
- if (url.startsWith("https")) {5 T0 ]7 Y7 D. J' ~
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");1 ^- K; P; c( I3 r+ u. Q1 G
- } else { ]! {" v5 `& I; U h
- http.begin(url);2 U; x) {9 y1 x. Q1 O
- }! N* }( z. {( [: o7 n! a
- Serial.println("[HTTP] GET...");7 b9 H8 T4 H* ^+ U2 c# ?
- int httpCode = http.GET();
, x8 K# M$ Q; y: J2 X - if (httpCode > 0) {
/ k H1 R; W. w; o) B5 } - Serial.printf("[HTTP] code: %d\n", httpCode);
$ m9 G1 H# I, V' H0 I7 W - if (httpCode == HTTP_CODE_OK) {' c- d5 }% L8 @1 r0 |) F3 W
- String payload = http.getString();
2 b8 P1 V% L" I - Serial.println(payload);5 M4 ~. p) |/ `- z
- Serial.print("\r\n");
* o) g" a5 Y& N* ? - return payload;
( v2 j0 o# [5 }3 d* p/ |% F* S - }
2 |# u q- f7 A d3 c - } else {
! g' y8 b8 q& D) i9 L - Serial.printf("[HTTP] GET... failed, error: %s\n",
" f$ a. i* S( Z" w1 c - http.errorToString(httpCode).c_str());
& f- w! M' n7 K {: C - }: w# K: a8 s$ s! e q( K5 V5 C/ l
- http.end();; c* [; ^5 C6 c6 F* V% `
- return "";: _3 u! u& f! I; ?: R
- }$ l. T4 j, n* p/ K4 n% d
- }% E2 O f2 a( L. v4 `4 h" V
- void mainAction() {
- _& N# Q5 M" L( F - // 发送请求
- X D' u; B6 s ^5 X) r - doGet("http://google.cn");3 T0 o I2 `: c- l9 h9 X$ p6 D2 L. z, p
- }
% A/ W) }7 v. _
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