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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); M0 n8 ^* e, R& j* N1 n) f
- #include <ESP8266HTTPClient.h>
* r. g4 h$ h( m" g0 i+ B8 W - #include <ESP8266WiFi.h>
6 ]1 c j# B. E, \0 _ ` - #include <ESP8266WiFiMulti.h>
9 y( o4 l, r+ c% b - #include <ESP8266WebServer.h>
1 e5 a9 T- g* ~8 i4 Y - #include <arduino.h>
# c; s( C5 ?/ L, U9 ` - ESP8266WiFiMulti WiFiMulti;
3 U R% I8 W3 @, V! G. d - ESP8266WebServer server(80);
7 T: ^* |/ c) F0 a+ X x - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";2 w5 o+ _5 _5 ]. y0 V* j& u# z4 ^/ E1 R
- ADC_MODE(ADC_VCC);
; U% @% n5 l7 z( _) Z6 [1 x( O - void setup() {
1 r3 a9 {* E0 `8 m" Y - Serial.begin(115200);* |; w8 C k) F2 A6 t
- Serial.print("\r\n\n");6 S$ Q# C5 X( v. u. \1 y! D
- pinMode(2,OUTPUT);1 _ U4 S L7 O6 S/ ~
- // WIFI
* C7 |+ c3 k9 B9 A. C/ |4 e1 M$ ` - WiFi.mode(WIFI_STA);% F& S% x$ r2 A _/ {, Y% x
- WiFi.hostname("Sparkle");6 [; i5 v) c2 Y2 p4 S
- WiFiMulti.addAP("wifi ssid", "wifi password");
: l7 e& _' U" G# _, X' B9 e' j7 c2 { - int tryNum = 15;
$ z& A" S" q' O - Serial.print("Connect WiFi");
. `0 Z% f+ `: p1 {# x$ f9 n - while (WiFiMulti.run() != WL_CONNECTED) {
- {6 N$ F6 i0 n' A a) n& H# M1 y - digitalWrite(2,0);, b# J" e( g3 [- g @1 t7 G1 M
- delay(200);% Z# L7 ^3 X1 a$ J. a0 N: V
- digitalWrite(2,1);# G% k P5 v) j# M- a% G6 }' i
- delay(300);
& B# L; D% Y ~2 o - Serial.print(".");, P# K; e/ R6 t g& z
- tryNum--;
/ F9 G! m7 F$ g3 n0 q1 F6 Q# E - if (tryNum == 0) {
0 B4 e& I. U9 O( V% h - // 1min
9 [0 d* `' X2 Z) E$ U+ ^ - // ESP.deepSleep(60e6);& ]6 l. N! n' i7 F
- ESP.deepSleep(0);% o0 ^/ d7 l' Q. H5 |
- }% I5 K/ }' v& x- P7 L, B7 d" @
- }
1 M8 C- z# D: q5 a8 q' c' _1 _ - Serial.print("\r\n");( \8 `" z, D0 b4 c# K
- digitalWrite(2,1);5 l& {- [- z0 P. w" i; j3 Y
- Serial.print("IP address : ");
" M' I6 ^- D: F0 d! T - Serial.println(WiFi.localIP());3 _7 g! {9 }, Q
- server.on("/", HTTP_GET, [](){
. x! |) C" E7 F5 ]/ N - server.sendHeader("Connection", "close");
- {7 Y2 c1 Z K - server.send(200, "text/html", serverIndex);( r: w3 i9 l2 w9 l0 o
- });
4 ?% U( J; _1 `. `3 M - server.on("/update", HTTP_POST, [](){: g7 T% ?2 K) m6 R/ ?" ^) M
- server.sendHeader("Connection", "close");
+ e7 T6 ^0 t f# j9 |9 @3 v - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
6 e1 F7 m' s' h& t2 s2 e- s - ESP.restart();9 ~* f& Z$ e/ ~) }
- },[](){
0 S( H% L* O% p# _$ m, n" r - HTTPUpload& upload = server.upload();
0 k G" @* R" d/ v' Y3 K0 ]. G - if(upload.status == UPLOAD_FILE_START){
3 J6 H8 H& I0 z0 n4 U - Serial.setDebugOutput(true);) c1 ]! {# s) C* R# ?
- Serial.printf("Update: %s\n", upload.filename.c_str());
3 W, u( ^8 h( F. k1 H% r - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
( W |% |, j) D+ N% X$ D - if(!Update.begin(maxSketchSpace)){/ B& v s6 |, v1 e- F
- Update.printError(Serial);
T6 L9 e- |( I - }3 f' H& l7 j4 _8 D% h% T" Y1 }1 Q
- } else if(upload.status == UPLOAD_FILE_WRITE){ I( Y- O# O9 l) e9 R+ j' U0 Z' d+ }
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){! {7 k0 I' p K# s! f
- Update.printError(Serial);9 b: ?; n2 k. C$ p6 W
- }
8 }6 z- O& Q @/ s* G1 [9 u. x: y! Y, j - } else if(upload.status == UPLOAD_FILE_END){) v& B8 J% E% y; j+ u1 `9 x
- if(Update.end(true)){
# }4 |2 Q: d" z. ?5 {: J/ o8 ^! j - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 T9 O" l0 b' E: B0 s" N( J8 K6 [7 c
- } else {
( t6 L' {2 S* o7 u) ` - Update.printError(Serial);5 K4 G0 a d' |- a# z; {
- }
/ _7 |+ q' n0 T( r. v - Serial.setDebugOutput(false);
+ [* k/ k: B Q$ ~% X, w/ E( S - }
d- t* f- i1 G - yield();
6 u' v. d1 i, k7 U# ^8 t) R - });
: F! I& u2 N5 B" c -
* Z S9 I/ s- x- P% T - digitalWrite(2,0);
& a( B" L4 n0 D( n5 ~2 G% a. j/ e4 { - mainAction();; s. f9 b! ]$ H2 z0 i2 S: u1 p
- if (digitalRead(0)){# w7 {8 F% A' ~8 @
- ESP.deepSleep(0);
* |; g9 H" a3 P- |# @ - } else {( y6 s9 S# h4 G; [
- server.begin();) b+ g, @$ l' B" }
- }
# @) N) j2 n( G! L( g - }: `; F# R# z3 S! B+ N
- void loop() {
% V7 M" m% x/ E0 y$ i - server.handleClient();) u, `: T+ T5 g3 b/ d
- delay(1);
2 `, l7 |; g' @% @& W - }, e6 g6 H5 I* K- l8 [
- String doGet(String url){/ W* z' G8 x) V @. m- U
- if ((WiFiMulti.run() == WL_CONNECTED)) {* ?! i1 o" @, R p
- HTTPClient http;, h1 |/ w& h" _9 V
- Serial.println("[HTTP] begin...");6 u% f. O/ Q' t
- if (url.startsWith("https")) {
M7 F# {- L+ J3 m5 ]& |0 A( r7 S - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");$ n) K5 \, T+ |$ O( ?$ D
- } else {! T0 V9 }- a0 J6 V+ g2 e
- http.begin(url);4 g8 s) E1 w7 n5 ]' g4 K
- }
- D4 l0 \, f% l- D7 O - Serial.println("[HTTP] GET...");3 z& Z7 B- ?* R$ `
- int httpCode = http.GET();
+ N' O5 Z3 j$ t1 ?6 f" \: q2 g) A7 V( N - if (httpCode > 0) {
- |6 v! Y4 Q6 c" q8 c - Serial.printf("[HTTP] code: %d\n", httpCode);
2 v# R% O4 j; H* q+ V - if (httpCode == HTTP_CODE_OK) {( t; n+ W. q* S7 K- L4 _; R
- String payload = http.getString();
" o) _$ t) u8 R4 S$ H* g) E: b - Serial.println(payload);* ^: Q, p/ u/ _; K8 @1 a
- Serial.print("\r\n");
0 N5 {- x* z3 i0 ~& e$ t: r( v7 P - return payload;0 B9 W: d; T6 h( _8 L- j
- }
( e2 U) b6 T+ `+ L+ c# B# @0 R9 e - } else {1 r C6 V; T: P. s+ v: o
- Serial.printf("[HTTP] GET... failed, error: %s\n",
q N! P: x. B4 d! u5 |% x - http.errorToString(httpCode).c_str());
1 }0 l3 L* a3 R' i - } \/ Q3 d) }' d# e+ ~
- http.end();6 {8 p8 B: Z/ }5 p5 B) v
- return "";
5 _- p5 J* p9 M1 I1 [; R - }1 ]+ b; ?# E1 J/ y
- }
9 {# H; t9 @8 c3 ^* ^7 f* ] - void mainAction() {
% A5 |. G( z/ A9 u4 ^' Q - // 发送请求
" f& W9 u. j4 _$ @) z - doGet("http://google.cn");
6 k9 H; X$ d7 ^$ I6 X: O/ r - }
# J+ J8 Z& y+ m* j
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