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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)# |2 p5 e6 a, t/ d4 j3 E
- #include <ESP8266HTTPClient.h>
B" M; l# M" B; Y - #include <ESP8266WiFi.h>
) ?8 F7 F( k) Q" O - #include <ESP8266WiFiMulti.h>: I8 I' P- ?; S0 y" s" Z8 i! v! Z
- #include <ESP8266WebServer.h>
9 Q/ M% c/ \' u - #include <arduino.h>
1 |4 R& \" r3 a9 n7 S* C! n$ y - ESP8266WiFiMulti WiFiMulti;: g& T- k T7 X2 O" F0 s2 o' V% N
- ESP8266WebServer server(80);! R4 C- H) x/ I) Y( q
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";+ o0 r; l, v7 ~* [$ Z
- ADC_MODE(ADC_VCC);- P! a& X, N3 t( Q4 W
- void setup() {9 Z0 l$ L+ `' P: h, |6 g
- Serial.begin(115200);& ^1 _$ G9 T3 Z. b B2 C
- Serial.print("\r\n\n");3 E8 M5 D4 K* S. @8 c
- pinMode(2,OUTPUT);, C; \" r2 I; F6 G s! {
- // WIFI
! c, y! y+ I" g) r' ?8 D - WiFi.mode(WIFI_STA);8 P, z& t0 e4 P; F# U ?: X3 V2 J
- WiFi.hostname("Sparkle");0 A! Y7 }. U- }7 |% n& B2 i7 ^
- WiFiMulti.addAP("wifi ssid", "wifi password");+ G- C8 Z$ [7 K7 S" }# N) G6 b
- int tryNum = 15;
: T. [2 j/ O8 B: x, ]. E9 y - Serial.print("Connect WiFi");% S4 G, o$ h8 ?- y5 J0 Z8 m2 O$ c
- while (WiFiMulti.run() != WL_CONNECTED) {
# u$ O q2 H* Z. ^ - digitalWrite(2,0);
( |" i# v' A3 m8 j - delay(200);
1 F `0 B+ `/ T: m& E( E - digitalWrite(2,1);+ ?! x/ X- T5 I6 b& w8 k
- delay(300);) ?$ u7 U0 w( |9 ^* C" _9 e$ D- V
- Serial.print(".");
; F0 c4 k( j8 z) |) F+ u, ^/ L - tryNum--;
8 ~/ j7 {0 O" O$ s% { - if (tryNum == 0) {. l3 g8 t6 Z+ u- D9 M+ W4 i6 r
- // 1min
5 h @' Y8 h" k/ r% j3 g# ]# }8 [ - // ESP.deepSleep(60e6);
* g# y; p( C* } - ESP.deepSleep(0);) J) d4 J$ A2 T5 V. `# A/ t
- }
5 a: y) Z8 E# T" S - }( b8 k! [" c( t* i
- Serial.print("\r\n");
) H8 ^- ^0 t; w4 I: E - digitalWrite(2,1);) o; N4 Y2 z; m" U
- Serial.print("IP address : ");( u9 |: T; S5 ?7 R% o- B
- Serial.println(WiFi.localIP());9 V: V! I% @# j0 P3 R
- server.on("/", HTTP_GET, [](){5 s3 i& G- z1 L. D7 u6 C2 K% d
- server.sendHeader("Connection", "close");
4 v, `7 o$ P6 |5 b5 ^$ N5 s } - server.send(200, "text/html", serverIndex);9 b d7 J2 W% H
- });' x6 o: y% }8 L! ^& d% V! j
- server.on("/update", HTTP_POST, [](){
" z! u' z; ]. O - server.sendHeader("Connection", "close");
9 k, f$ P: _+ Z; n$ ^+ _ K: x - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) O5 H, m! L( Q( y- V - ESP.restart();
. Y. |; d, b" A5 L1 g# K% J2 { - },[](){
, o5 Z/ \" }4 f - HTTPUpload& upload = server.upload();
7 P1 n& A) X$ L3 B E" f. A. o; |7 ^ - if(upload.status == UPLOAD_FILE_START){
8 q! ?( J7 T" C - Serial.setDebugOutput(true);/ i0 ~& {# H8 m3 Y; `; s
- Serial.printf("Update: %s\n", upload.filename.c_str());: N+ L8 T/ U, O
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
* i% q1 L7 P0 j - if(!Update.begin(maxSketchSpace)){
; ]' A& A3 ]0 O Q" c" B9 y - Update.printError(Serial);0 n3 r" B Q$ L3 \9 G
- }
2 ]! o: ^% T y) O+ v- k+ K2 }2 c - } else if(upload.status == UPLOAD_FILE_WRITE){
; s1 g* @# Y5 a - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 B$ m' R! \* r, C7 G* S - Update.printError(Serial);$ C) j ]; a' Y# w- K a
- }
) V8 T& |6 v$ a: Q3 G! g1 K; @ - } else if(upload.status == UPLOAD_FILE_END){
1 l1 w9 }; J- {8 b, Z K - if(Update.end(true)){# x7 n+ ]; L% k4 ^
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);0 s; r+ W) b' i& H. l4 n. C
- } else {
0 ]& W" A5 I/ q( q& E0 s - Update.printError(Serial);- i& C- J0 \# n) I0 t
- }
' b- y! f* t- Z! u6 a# \1 L8 W9 \* ~ - Serial.setDebugOutput(false);4 k, t6 }. \+ Q, P) ^
- }
1 o* F" [" P2 }; r! l* {2 k e0 v# N0 @ - yield();5 Y/ D+ P+ P0 \2 S' ~/ e; x; T
- });0 b0 _/ j- g' U: t# {; @
-
0 o) j* R# x$ J0 [ - digitalWrite(2,0);% A# U$ {0 {1 S3 [
- mainAction();* ~7 s( v5 F" c9 h- N
- if (digitalRead(0)){
% Y6 \: I+ D7 o# Q8 t5 v" ?6 f - ESP.deepSleep(0);# z( b- n& m6 v* K+ m7 }
- } else {- f# L2 d6 n# W$ @
- server.begin();" @ n$ u% k! U- |
- }
1 N5 G. T) e8 P) \8 O; W S4 i - }
- ^# _6 s, q Z' a5 d - void loop() {
" E% n' R8 M4 M/ t, m - server.handleClient();$ e m; S: w5 p, F$ u( C
- delay(1);# C. E/ F0 f" i
- }1 \+ N# N( A+ |+ t0 q) ~7 p" o2 o
- String doGet(String url){
, z9 m( j. r' C& b9 E% g5 g0 Z - if ((WiFiMulti.run() == WL_CONNECTED)) {
# j2 K' \1 X. c. L6 k - HTTPClient http;
# Q7 G8 k2 o6 Y! A5 R$ @ - Serial.println("[HTTP] begin...");, g& k* H' s6 {5 F2 H
- if (url.startsWith("https")) { R+ ?( \5 N4 S7 C
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");$ P ^* @0 g& s4 V3 Y
- } else {
, R0 J- n% O, `! ? - http.begin(url);+ h3 w; h8 A( [ K4 p( J4 N
- }6 J7 O, w; g0 g, w
- Serial.println("[HTTP] GET...");+ Z& ^" _3 @) }/ ?: u) }
- int httpCode = http.GET(); e4 H7 g# t* B6 q# M
- if (httpCode > 0) {; f: e! [4 O3 S+ J! q, ]7 C
- Serial.printf("[HTTP] code: %d\n", httpCode);1 i; V+ x/ Z# b4 @/ ^
- if (httpCode == HTTP_CODE_OK) {: V: s/ K. d/ i2 z* i. G
- String payload = http.getString();( p& q) b) i- e1 T; T" }# R& Q
- Serial.println(payload);7 W( ~( O/ U9 q! z3 }
- Serial.print("\r\n");
. x1 r; o" k8 w. h8 u. }# U% c; X - return payload;
* o- Q: h1 m: U0 o) x6 [, F - }
& P: A0 I6 o ~/ P: ] - } else {$ u$ |& l' a* T4 u# h/ `
- Serial.printf("[HTTP] GET... failed, error: %s\n",% `' E9 [/ ~4 ^; K1 g/ U* M
- http.errorToString(httpCode).c_str());
. |3 K- ~. T! e% I, M" B! U8 p - }$ o, |) J0 I# n
- http.end();. e3 P) }( M. {* `: f
- return ""; v {2 O* d J: c" D6 n
- }6 c* z6 ?3 k+ f1 @) O
- }
3 C+ V2 F: B9 Y, a - void mainAction() {
$ b: o. g- s& Z- U3 @+ G1 e - // 发送请求
7 o0 u0 T( T `- V) q8 Q4 p; Z. w# w - doGet("http://google.cn");8 H* I4 A+ P/ W/ N( D9 x6 y
- }5 R; H* J2 s9 A! N) `* E% @
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