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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)
0 ?0 t1 `1 f0 b/ Z- #include <ESP8266HTTPClient.h>
- q T$ u2 x2 O* J5 `+ Y - #include <ESP8266WiFi.h>
6 c: s! ~7 D; g: c5 r/ W0 ]0 D2 O - #include <ESP8266WiFiMulti.h>, W( v8 X2 L* d1 M- @4 R7 X2 |" {2 _& U
- #include <ESP8266WebServer.h>4 R3 }% K1 D# g t
- #include <arduino.h>
8 c9 i- q% j8 d# q: e - ESP8266WiFiMulti WiFiMulti;
9 _' S4 D: E# w* E7 y - ESP8266WebServer server(80);5 i( t, J1 Z1 k0 _& P9 E
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
* [1 a+ Y2 [6 l! Z, ]/ X - ADC_MODE(ADC_VCC);# z. ]0 J- M4 L2 u- X
- void setup() {
4 @( d9 k% k/ G" W3 W - Serial.begin(115200);- k( [1 s+ f' N3 F* ~4 f7 T' {
- Serial.print("\r\n\n");3 ]4 a. a; U6 N. ?
- pinMode(2,OUTPUT);5 n- G' p3 E/ c% ^% E
- // WIFI
$ z. N' U1 g" l: h& g7 l/ b - WiFi.mode(WIFI_STA);0 @" Z1 f( P& U9 S1 ]
- WiFi.hostname("Sparkle");: Y* r- R. p6 _0 w1 k0 j
- WiFiMulti.addAP("wifi ssid", "wifi password");& K3 @; L% h6 H+ V
- int tryNum = 15;" S) Q6 y; S9 \/ G) o$ z
- Serial.print("Connect WiFi");
5 @; K8 G R6 T0 o - while (WiFiMulti.run() != WL_CONNECTED) {
: o; V) ^; m6 c/ T, A; U, u& J+ |5 d - digitalWrite(2,0);
' k3 l& k: \9 {$ k* ~ `1 J - delay(200);/ B3 F0 j* \' `/ _6 x- ^( I
- digitalWrite(2,1);
9 g/ s1 }: ~$ G. G2 V - delay(300);
# K4 }, ?/ V; ^8 R+ }" f. C- R - Serial.print(".");
. j+ u, U* p) ]; M - tryNum--;0 m' | M$ P; J9 @# R# E1 H
- if (tryNum == 0) {
/ T6 }4 I+ j) c: u: {8 i g - // 1min D2 Y4 ?2 z0 o% @" G
- // ESP.deepSleep(60e6);
* h, B: o" U5 v m& L& p& T; [& V1 ^* { - ESP.deepSleep(0);
6 s& o. {! u$ J& Y* G) w, O, l - }* k4 y: M2 B( d, ?7 p- Z
- }
' V/ Y/ i- |- g6 S3 B t& G - Serial.print("\r\n");
4 T, [; r6 v) J' O8 s- m! s - digitalWrite(2,1);+ E. D7 G9 }$ J l' L
- Serial.print("IP address : ");: d. i" M0 c1 y$ z
- Serial.println(WiFi.localIP());8 n/ f w; v( ~1 j8 m4 G
- server.on("/", HTTP_GET, [](){; y, f% D! c5 y" e V
- server.sendHeader("Connection", "close");
6 o" N/ D' A4 a4 ~% [" { - server.send(200, "text/html", serverIndex);
; Z+ J% X+ X( n4 x0 D- `: K - });9 W! V# O N0 n
- server.on("/update", HTTP_POST, [](){! N4 r3 _0 w* B* @( l3 G
- server.sendHeader("Connection", "close");( u4 S/ Z4 @3 w' X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
6 |& V0 u+ P+ k# F/ q - ESP.restart();: h7 Z, ~' f S* r$ r; e
- },[](){
- d: K7 P8 s$ t: u1 S - HTTPUpload& upload = server.upload();
9 \; Z/ }. W6 i. K* @5 C, M2 \ - if(upload.status == UPLOAD_FILE_START){
% _4 G4 m0 y. j - Serial.setDebugOutput(true);1 M. X+ o, P0 m! E
- Serial.printf("Update: %s\n", upload.filename.c_str());- R+ ?" O# K2 T& s1 x! @5 j
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
$ ]$ c0 @, v1 m - if(!Update.begin(maxSketchSpace)){
# z/ I7 Q, C' ]# z2 O1 B# o( o$ M - Update.printError(Serial);6 k' g2 q7 e: s, u1 H: ]
- }
; ?8 B3 |3 Y1 u6 @4 j - } else if(upload.status == UPLOAD_FILE_WRITE){
^3 ^' u8 Q* _ \& [0 @1 [; F - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
( _3 ?# V# _2 A5 T$ Z) ]+ h* } - Update.printError(Serial);' K4 C) L, |; o8 A
- }1 A" K6 g2 ?5 `
- } else if(upload.status == UPLOAD_FILE_END){
7 [: @- q) A9 B' w - if(Update.end(true)){. R3 z1 D6 l. i7 p( l3 N. q5 F) d
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); Z3 K, F M) e& w
- } else {$ U7 X$ p, P+ K$ h/ c5 {. E! \+ w
- Update.printError(Serial);
/ g6 F( {* ^3 l1 {' D - }
* T7 m! C8 z& c$ G$ W, K8 l - Serial.setDebugOutput(false);! g' D! x( U! i
- }4 a- x) [" N' Y! I$ t& s i
- yield();
5 p( K( [2 |, O, i9 V0 x - });
7 o$ X& y+ a$ N -
& E( e. x+ x8 T0 G - digitalWrite(2,0);
1 _1 u3 ]* z# X6 Z, q" {4 z( ? - mainAction();
( E; U& Y) @4 x - if (digitalRead(0)){& g+ b" N; n0 o3 S
- ESP.deepSleep(0);8 M. Z7 l! m6 }" j+ \
- } else {
( X3 o, K J+ |( M: J& X- r1 W2 V - server.begin();
^. W7 J) s# a( D* a/ }3 \! R - }
' R/ q( e. m9 f6 a, @; m2 K - }7 \0 l6 m: U. s3 N3 C0 ^, w
- void loop() {
5 \- K/ d Z) O9 ?' }) j; o8 r - server.handleClient();- k- q1 A& S0 d+ N+ O4 P% Z" g
- delay(1);( M( c, ~! [' ^1 y6 p
- }
" ]! e; c5 m% k - String doGet(String url){0 b; j4 }* v5 R* _- w9 D/ L
- if ((WiFiMulti.run() == WL_CONNECTED)) { \' f( V7 F, v4 m+ }8 i9 X
- HTTPClient http;
+ v6 _& o$ J8 I" u - Serial.println("[HTTP] begin...");
& i8 v( F0 Y& ` - if (url.startsWith("https")) {9 S) ?. Z9 E9 a% x N
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
; B6 e7 o7 W* R) z% s4 ? - } else {" \ w" Z, E1 K* P
- http.begin(url);
6 `# P% ~( O: F4 Z( Q% V6 o - }+ {2 m9 a3 K4 R x( f- S
- Serial.println("[HTTP] GET...");
! D1 w- h1 d+ g3 Z# p - int httpCode = http.GET();9 ^2 I# \+ v( D3 T( P
- if (httpCode > 0) {4 ~$ e2 L w$ Y2 `8 B
- Serial.printf("[HTTP] code: %d\n", httpCode);
, u) |5 C4 P( {5 O - if (httpCode == HTTP_CODE_OK) {
" y) H K1 s$ m+ Z1 j0 Z6 m - String payload = http.getString();/ _) f$ v( N* \- x, g- ^! f
- Serial.println(payload);
% D5 n7 U& ?+ q" g* A: m - Serial.print("\r\n");
9 h# t9 T2 H& P; r% S* e - return payload;7 F% f e; e, H& p* k
- }
4 V; K* T4 t0 Q, F - } else {
8 z% M$ j. t, | - Serial.printf("[HTTP] GET... failed, error: %s\n",9 d( e* q8 X. c8 B0 ?
- http.errorToString(httpCode).c_str());* |% x/ R/ x' y M2 h2 ~9 i1 P* w
- }
3 S# H; D6 f4 ^; E7 j; U3 \/ r2 e7 l - http.end();# C: {4 ~5 v& w: {- V
- return "";" d4 t: h6 t0 b M6 K" J
- }$ X1 G8 Y% c! w6 |% ^- \, a: T
- }
' e2 W2 F0 G* R( f& z8 F8 ]. x3 ~ - void mainAction() {9 `( D) G5 p0 ]9 ~
- // 发送请求$ ]4 s* }. J0 E; {3 j$ V% n
- doGet("http://google.cn");
- E1 i* o" U# k) a1 b: `7 | - }/ ?2 K- p$ t$ B/ w
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