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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)
! v" Q# F$ i$ V9 D- #include <ESP8266HTTPClient.h>: p- q t( C, L2 a8 F
- #include <ESP8266WiFi.h>
6 u* k8 g" o* j, k% P. J3 X0 H - #include <ESP8266WiFiMulti.h>: W1 A+ d0 r) l) y7 ?
- #include <ESP8266WebServer.h>! q% K" `3 o& ?5 R/ G. j) R
- #include <arduino.h>
5 E5 k3 T' s8 `; v' B8 O7 z1 a - ESP8266WiFiMulti WiFiMulti;2 P" R. y; n% S! ?2 W" m( u( K
- ESP8266WebServer server(80);' n6 [" h6 e6 L4 l
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ ~7 w6 }: W1 o( g& p
- ADC_MODE(ADC_VCC);, p$ A* J& ?) s6 ?4 a3 x0 m- k
- void setup() {. |, D( e M( }6 q, R
- Serial.begin(115200);
4 l( B' C- C& {' R/ P - Serial.print("\r\n\n");
) }) _2 M7 {- X5 H+ u - pinMode(2,OUTPUT);( H0 p1 s+ Y2 _5 i/ E3 L/ b4 r' m
- // WIFI
. ?) {& G5 D1 B# J2 M - WiFi.mode(WIFI_STA);& Q3 v5 t+ O, ?6 @1 g/ n4 E) g/ D% _
- WiFi.hostname("Sparkle");( B+ Q- x" }% W' T- K3 U0 I9 c
- WiFiMulti.addAP("wifi ssid", "wifi password");4 u! h; A, p# ~
- int tryNum = 15;
& [3 R. C$ G5 N* A - Serial.print("Connect WiFi");7 P( t# L' ?( G. c
- while (WiFiMulti.run() != WL_CONNECTED) {, K U1 Z2 O& B: H
- digitalWrite(2,0);
# I2 b5 T* {) x \ - delay(200);; _7 f0 l* }5 W4 m/ Y$ u
- digitalWrite(2,1);
( ^) f3 l7 o; M' d. d$ c- X - delay(300);
4 b4 V, [9 U6 z: v5 b - Serial.print(".");) ]1 i' D, l$ i _- b1 Z
- tryNum--;& J i6 ^, v# k" U9 x
- if (tryNum == 0) {& m, x) k" }6 J
- // 1min
1 o9 `5 w4 _$ M. {2 W& Z0 |7 C - // ESP.deepSleep(60e6);
9 k+ @7 |! f' r5 n. I5 n - ESP.deepSleep(0);) C' I. W7 [+ B7 D
- }
) z) n8 [, M4 F - }/ Q7 y- E6 Y' i. e* f l
- Serial.print("\r\n");& t( g x: `) Y
- digitalWrite(2,1);
: j' }5 f A0 x4 [+ w1 s - Serial.print("IP address : ");
/ ~# I$ [- B' \7 r" f - Serial.println(WiFi.localIP());
! c+ D: u2 M" ~, X! Y4 U3 G9 W% J - server.on("/", HTTP_GET, [](){, e- m c; i+ Z2 r9 Q
- server.sendHeader("Connection", "close");
0 a- F. j9 ~; e4 e; J - server.send(200, "text/html", serverIndex);7 F2 E @/ T7 r! I, R Q
- });
# M* d# z/ `. R( Q - server.on("/update", HTTP_POST, [](){3 u0 R" @/ ~ t" F9 U8 J! z) g
- server.sendHeader("Connection", "close");/ X: f8 t* Y# {/ F4 W$ d; C
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
% S" Z( g8 c$ V- a& g! s+ D - ESP.restart();! b+ Z: z# B. p |; X: I
- },[](){; k3 m# q4 v2 ?( i
- HTTPUpload& upload = server.upload();* I& ?" b6 N, p* r! I8 S" g6 {" X
- if(upload.status == UPLOAD_FILE_START){' M0 e5 K0 f+ {3 n$ r+ ^. W6 r6 S
- Serial.setDebugOutput(true);
) L5 s$ }1 p: G6 e" v @6 f- l - Serial.printf("Update: %s\n", upload.filename.c_str());! z( O0 D; q, [5 w+ T
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;* T; p2 o5 X4 N+ v3 e/ F$ d
- if(!Update.begin(maxSketchSpace)){# g$ T% e9 L' p5 m
- Update.printError(Serial);
4 b6 B2 A% U) ?( v9 X0 q. l( u - }2 x* m! X6 v3 [ ]7 H
- } else if(upload.status == UPLOAD_FILE_WRITE){ a6 a% l; e; H0 c+ c6 K) i
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ Q6 r! D% q: N8 v2 W
- Update.printError(Serial);
' j7 d% n2 k. h9 Q, b( A9 M - }
# [4 S* j! h7 f/ @# k - } else if(upload.status == UPLOAD_FILE_END){. @* A7 X( | M" e. b# u
- if(Update.end(true)){
* u( K; H" Q1 P5 ? d( }( | - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
* z0 Y4 H; r2 {+ Y; k - } else {
8 P9 G% H5 ?/ E( E. v0 m& ] - Update.printError(Serial);- K+ [- U, t, c: u* Q9 U$ Y% q
- }- x) S# g4 {" _
- Serial.setDebugOutput(false);* ]6 i& C8 V- @! |# N2 b0 k+ Q
- }
- M# h0 y. t: N4 Z - yield();
5 x% ]9 t9 J0 I# l- p - });# f( w5 v6 a# L4 ^( w
-
, N; _4 L: e* T& ] - digitalWrite(2,0);
! N% {1 |8 A$ a' Y" _1 B - mainAction();
8 l) V8 j% C$ W, B5 L. i+ |. B3 o% I% Y - if (digitalRead(0)){
]7 s/ _0 R+ | - ESP.deepSleep(0);
' s9 P9 D/ r4 | - } else {: K4 A; f2 i3 z! n$ N9 L# l$ d8 i
- server.begin();
: D% ~ Q8 \# ?6 E - }/ P% m4 A0 P q6 t' \# g
- }8 n3 L5 U, k3 m. i
- void loop() {
- W5 `- v3 n, X& Y( y# J3 u8 b- w - server.handleClient();
7 z' @3 g. `$ I' m - delay(1);/ y) x' X: `$ n, k- M- R
- }
/ w+ B8 P- g+ c2 h( N* Y - String doGet(String url){
/ Q5 S5 y% {$ u! J3 K+ I7 i- f - if ((WiFiMulti.run() == WL_CONNECTED)) {
9 X9 K# }) d( F - HTTPClient http;
9 S* r" |8 {) v" \ - Serial.println("[HTTP] begin...");
6 p Y& N' ~# b7 T - if (url.startsWith("https")) {
# J s+ _5 P# ], U8 ~; L( U7 d& ?) h0 X - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 X J) g, r2 @ j - } else {9 T4 u& w9 |, [7 {7 _# s; e
- http.begin(url);
; p6 w% B( f( B) \ - }4 h" l' `9 l( U; {% C u
- Serial.println("[HTTP] GET...");0 @5 x2 e# z3 T9 s7 [8 A
- int httpCode = http.GET();0 f& \+ G; R- J" P# I" i- m( B
- if (httpCode > 0) {
" H* Q0 U' Y8 o) c& y - Serial.printf("[HTTP] code: %d\n", httpCode);
2 s$ q7 P0 l8 j& @( h2 d, h8 @6 e - if (httpCode == HTTP_CODE_OK) {
: Z0 X: V1 { O9 W - String payload = http.getString();. y8 O& a# g- w G) E! |8 ~
- Serial.println(payload);
$ X* q; R. y% W. i - Serial.print("\r\n");7 d6 R( C0 _/ H# Q- f! j' B
- return payload;
. k8 g- C( ?; w' c* t' h - }. u+ Q. ?& Z3 r' D J" G
- } else {
! k5 Y; D9 p7 A: s - Serial.printf("[HTTP] GET... failed, error: %s\n",
) s4 \2 Z: ^1 U/ ` - http.errorToString(httpCode).c_str());
) k4 M; T3 ~- o8 B) C4 b0 D - }/ F5 X" z& X) f5 O& S
- http.end();
$ P: E: S9 Q8 n) y p - return "";* e! Z* }# K; @
- }9 @& D3 Q5 o: U4 c$ q8 d
- }& E- z9 k) J8 L7 p
- void mainAction() {
- I3 P( m4 Q' O; W - // 发送请求
4 B l0 e6 x, j( k# { - doGet("http://google.cn");5 h8 B; f5 l5 [& g& q5 D& E% x1 H
- }
: D1 K1 h% v6 j% W
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