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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)+ e8 k8 y5 _& _* @3 U
- #include <ESP8266HTTPClient.h>3 i5 U& }, j& f* e: C9 t. K
- #include <ESP8266WiFi.h>
6 v- |' T; |7 R+ h& ~% o+ e - #include <ESP8266WiFiMulti.h>
6 I/ g3 S- t! c; | - #include <ESP8266WebServer.h>; j0 M+ Y" U/ K2 T8 w
- #include <arduino.h>$ z W6 G8 Y9 d" ^+ ^, a" p
- ESP8266WiFiMulti WiFiMulti;
! z1 b/ _" T9 i# X! b4 G - ESP8266WebServer server(80);9 M! E% o, n5 U9 r- f& U
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
0 D" h! h3 B: w) q( ~4 ~' O - ADC_MODE(ADC_VCC);1 { s! F, ^+ L0 t( U( u* R
- void setup() {
- J" P" X- u6 e# T! N - Serial.begin(115200);
+ H$ d2 n* Z) Q7 r- V& B - Serial.print("\r\n\n");
; p' Z v3 \: N! D) b/ C - pinMode(2,OUTPUT);
% @) |; H8 S9 h- O5 f2 e0 }# L$ G - // WIFI
" `9 m5 G- o+ x, N5 |5 D a6 l7 ?* I - WiFi.mode(WIFI_STA);2 I m3 r4 N& a
- WiFi.hostname("Sparkle");
$ Z* l# b8 Z! G7 h. _ - WiFiMulti.addAP("wifi ssid", "wifi password");0 S8 V0 T' y" r4 R9 ]0 |
- int tryNum = 15;' z/ S0 I; T$ j" e$ w/ j/ M
- Serial.print("Connect WiFi");
/ _) l; C/ ]5 q7 K: N7 {$ h+ @, ] - while (WiFiMulti.run() != WL_CONNECTED) {3 e6 c2 V) C5 y+ t# ?8 G+ T
- digitalWrite(2,0);( b( w# O0 y' J A1 |" {
- delay(200);
1 e$ v# X, ?) p4 l3 _; K: x" _# v - digitalWrite(2,1);; S9 [$ [! D: }7 S
- delay(300);
3 m+ {( v+ T" _9 _/ f$ a - Serial.print(".");
0 M9 |# M% w! T( p - tryNum--;6 o: e8 @$ X% t4 H0 m# l8 q, U
- if (tryNum == 0) {
' ~& W8 E/ s- q* g+ k - // 1min$ y1 u- L! O( Y- N( l Y% t
- // ESP.deepSleep(60e6);
6 U) m; G: F: X3 ?4 K0 D/ c6 f* _ - ESP.deepSleep(0);; Y0 y. w9 u2 ]2 U1 M/ G
- }" ^2 o7 [" t+ w* b" `/ s
- }
; E0 c9 A! C T; y) [2 {4 J0 O, X - Serial.print("\r\n");
( R% W/ q2 s0 s - digitalWrite(2,1);' `1 O. D* ]4 e
- Serial.print("IP address : ");
! Z$ x4 s9 u. \0 _' [ - Serial.println(WiFi.localIP());8 |& s! O) I% T) q9 y) o6 }; c
- server.on("/", HTTP_GET, [](){7 K/ @- [) o, Q
- server.sendHeader("Connection", "close");
6 x* ], @ ^- d) r* a- N0 H - server.send(200, "text/html", serverIndex);5 e) W; v3 A6 V! t0 u: U5 F! |% ]5 o
- });2 |# h) }4 F- l& l# Y) f1 ~
- server.on("/update", HTTP_POST, [](){2 ~) B. L6 B: v7 _1 [) k
- server.sendHeader("Connection", "close");
2 P# |: `! ~$ m; n" B - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 U8 j" T* g' z! p$ y7 C - ESP.restart();5 T" Y0 M7 ~" j
- },[](){
3 b6 f3 w+ S' f* }% z - HTTPUpload& upload = server.upload();
6 t! w- `7 l2 S0 l9 v; y - if(upload.status == UPLOAD_FILE_START){# X7 e1 Y0 Z% V
- Serial.setDebugOutput(true);( E) O p. M+ _" h
- Serial.printf("Update: %s\n", upload.filename.c_str());
8 q# _+ r, _. z6 o) Y5 h4 [2 J - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;( ?. s) q3 [" B
- if(!Update.begin(maxSketchSpace)){8 L' \$ @+ \8 R8 L
- Update.printError(Serial);) ^9 X/ I! S9 H3 m& s1 y+ b
- }
) O) h( z& J1 I+ H" W - } else if(upload.status == UPLOAD_FILE_WRITE){
# J8 `/ d8 r) R! }( M - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ }, v" M$ i7 V) W# K
- Update.printError(Serial);: ~7 B2 M' @: D: X: W" r+ o
- }
( I) M H1 Q! _# m% t - } else if(upload.status == UPLOAD_FILE_END){
4 s" v( |1 h( ?; S% \ - if(Update.end(true)){
( o; H' k' n+ @9 H/ P - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
& _3 w. p1 k* y( V8 c - } else {
) v( s) f' ]' i - Update.printError(Serial);8 u9 Y! z; b; U
- }
6 ?4 g& _8 q5 f0 [ X - Serial.setDebugOutput(false);8 B8 b4 n( N0 {* D: t" \* l* }9 A1 W
- }
9 D" X+ G8 c, O2 L( i4 b - yield();9 p% c4 M/ n0 o, ~$ f0 F
- });) W9 W( _, O8 i# O7 [, a
- . L3 {, i7 u* f* z) ?
- digitalWrite(2,0);. Z) e9 h$ A* t4 Q+ ?8 E
- mainAction();* v% g; a, y4 a6 I p; u) Y4 {1 O
- if (digitalRead(0)){. e% ]6 }5 [5 s, e5 p" b
- ESP.deepSleep(0);" g E) j' ?$ q" W4 [' A ^6 r* w! R
- } else {
! c m9 n5 j7 k. c" J! L - server.begin();
% h/ d$ H5 q. I& E$ T+ f# c - }
# I3 ]! h* V" \1 e0 L- ` - }
1 C8 ~' @$ F; i; T2 J* Q% K. R - void loop() {1 k4 B$ b% \7 \& C7 {" w4 h% b
- server.handleClient();
7 Z9 z1 ?, h. T {8 @* f - delay(1); V" d3 E% r, W' r
- }* V" Q* [9 g a) ~
- String doGet(String url){
1 Z6 O0 Q! }4 k - if ((WiFiMulti.run() == WL_CONNECTED)) {
9 ~/ U+ g# z3 y* } - HTTPClient http;8 C& h4 L; ^, X1 D) c
- Serial.println("[HTTP] begin...");
9 B. c" T( j. M - if (url.startsWith("https")) {
" ^& [) g2 P/ \; f" |/ e: E' W - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
9 R6 x, \7 J, Y! E - } else {4 g1 F: M4 K% f6 W) ~* {
- http.begin(url);
! J: ]! h# x: F5 w X - }
3 ~" m" t. o0 L) B5 b; t - Serial.println("[HTTP] GET...");6 Z9 ^4 l3 C; A$ N/ u$ S# y5 G
- int httpCode = http.GET();' p9 T6 O; A) ]) f7 t; |1 ]" @
- if (httpCode > 0) {
3 k/ U1 w( I) H3 X! {3 g - Serial.printf("[HTTP] code: %d\n", httpCode);
% o+ ]. D. g! f( L9 ^/ h2 K - if (httpCode == HTTP_CODE_OK) {% X; I+ a, U; A% w
- String payload = http.getString();
$ z# `3 K4 V r$ T0 _; p* O - Serial.println(payload);
$ e3 ^% X! a4 e9 Z8 d4 C - Serial.print("\r\n");5 G$ e4 O0 Z5 f, J! |
- return payload;3 f& i8 Y. U7 B# A- l
- }$ U+ V7 Y8 q/ s: b- D
- } else {" `7 M: E2 L* Y* U! V. `1 Z
- Serial.printf("[HTTP] GET... failed, error: %s\n",
! \; ]6 U0 B4 C7 u1 D* r3 K - http.errorToString(httpCode).c_str());
! a3 T) c2 E' M, e, N - }! A) [$ L0 L0 F2 r! z0 @
- http.end();* I: e( n, _9 J( U" B1 A$ l
- return "";
8 N* X; O& o f/ I- X. h - }" y9 h0 ~4 @0 L2 y3 V
- }4 N$ v/ s9 e5 Q7 c* \
- void mainAction() {
1 ^* ?5 p4 `! S - // 发送请求
' Q) B8 t4 A7 q$ C$ R5 M - doGet("http://google.cn");3 Z3 r2 U$ M# P5 r3 v
- }) m* i5 F. o3 k9 f" ]
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