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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)6 b0 h4 v8 Z( i- i/ `5 P
- #include <ESP8266HTTPClient.h>/ e# R' ?" D2 R8 M
- #include <ESP8266WiFi.h>
# @! L7 `4 u" e9 H# Q4 q+ b" H5 ^ - #include <ESP8266WiFiMulti.h>/ t2 c7 E1 B. j5 O0 O; V9 F2 P2 v
- #include <ESP8266WebServer.h>
' t! a, e G' Z& y" ]4 f - #include <arduino.h>
; x& m% E+ @0 L& x% [3 b' u3 K - ESP8266WiFiMulti WiFiMulti;
+ i( X) h* F- X! V; G* J - ESP8266WebServer server(80);2 b( M- `* h9 l, T4 i; \; `
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 g; d0 {) [: x, P7 X9 b - ADC_MODE(ADC_VCC);
* R' i) c# g- o - void setup() {. M. H9 `! F( @3 A s: ~$ L
- Serial.begin(115200);
$ e+ D; V- q! t* A- X& x - Serial.print("\r\n\n");% O% A. {( }! [ M
- pinMode(2,OUTPUT);
6 B2 F3 R, P1 w1 x - // WIFI; ~% ?) z! r( C/ k: }0 P- q
- WiFi.mode(WIFI_STA); H# S# n% V2 y2 A5 @1 U2 {
- WiFi.hostname("Sparkle");
# T. }7 y0 a. }( H& e - WiFiMulti.addAP("wifi ssid", "wifi password");
% z: A: K3 W+ _* f3 `" M4 h1 U - int tryNum = 15;2 X+ S1 O$ |. J' ?8 d! P8 |
- Serial.print("Connect WiFi");
* X, i; i% [* q( `- x- I - while (WiFiMulti.run() != WL_CONNECTED) {
/ N- h8 e" a* P' @3 ? - digitalWrite(2,0);
- b$ l2 J) t% @3 c" s - delay(200);
9 k: E/ {8 S$ C* |/ r4 [ {8 w - digitalWrite(2,1);
2 U) x+ g# C% W! P7 H - delay(300);- y& y5 c0 V" G1 u- Y
- Serial.print(".");
0 Q6 c; X( @& ?+ G/ d - tryNum--;
/ v* K' k) q* E1 G - if (tryNum == 0) {
7 _- j8 K2 L& M/ U3 E7 D' h4 E - // 1min
- X9 q& A% h# r- m% @) r3 f! Z - // ESP.deepSleep(60e6);8 f, u0 j- Z4 p2 Z" H# N
- ESP.deepSleep(0);: s! | f; V8 t4 v3 w: ^+ x2 ?% q
- }; [9 x3 u2 ? ^- X% Z, ?; b
- }. p2 i+ \% k# m- ^' h
- Serial.print("\r\n");
! I ]% e( o' w) q - digitalWrite(2,1);
* J! m0 H0 L! o2 X+ ~' G - Serial.print("IP address : ");; W! r8 z. Q+ Y. v0 |
- Serial.println(WiFi.localIP());3 l9 F ?+ } n7 {4 r
- server.on("/", HTTP_GET, [](){. B& i' [' q. G3 w( `2 u: u! H& M
- server.sendHeader("Connection", "close");
3 T% ^" u0 h2 U3 s9 M" g, O - server.send(200, "text/html", serverIndex);# f9 k2 x: Y6 x- \' `
- });
' O1 F) V! P% s! l: n$ \ - server.on("/update", HTTP_POST, [](){3 b- |9 y! ]8 h
- server.sendHeader("Connection", "close");2 V: Q; _8 ^4 d
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
7 e# @ Z& |. r+ U - ESP.restart();
2 a0 g. s/ T8 v* W7 [ - },[](){. I. M4 y( e& s5 j z
- HTTPUpload& upload = server.upload();' S+ K& h* ?8 q& T
- if(upload.status == UPLOAD_FILE_START){
: {7 c9 |: X7 s9 S - Serial.setDebugOutput(true);
+ u0 \) l* |: O - Serial.printf("Update: %s\n", upload.filename.c_str());
3 ?' f# D/ j: W - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 F, w! |& h6 Q* \! I( u/ z: d - if(!Update.begin(maxSketchSpace)){7 P" Y, j, D. w, {6 ?
- Update.printError(Serial);
2 [' X" v" @+ e" w; f - }/ J7 m6 k. v3 L* E h. U
- } else if(upload.status == UPLOAD_FILE_WRITE){/ C2 M4 E3 x" u% C7 h
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){" D0 y3 q5 F9 ]6 }3 j
- Update.printError(Serial);' l* b. N. A0 ^% G K& L6 C
- }/ R. I7 Q! J& Q. v( D; \
- } else if(upload.status == UPLOAD_FILE_END){
/ i+ j# Z H, t5 k& s% \ - if(Update.end(true)){: g4 w5 o3 T# J) Q
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& b, s3 e' j* V1 K/ a7 E9 f
- } else {- ]: G1 w; f4 E- y# q
- Update.printError(Serial);2 ]) {8 u) z5 r. o" K3 r% `/ ~
- }6 p& l' n$ }7 S: v' ?' j R3 y
- Serial.setDebugOutput(false);
6 r7 o3 @. g9 U; [ - }
# ^ z4 H- w4 D - yield();2 S" u9 X; H! q- C+ v
- });
. w( g1 O$ y! p# C) I - , ^! l4 }) d2 B' x$ q" s) b; V
- digitalWrite(2,0);
) w! h" c7 W3 z - mainAction();
8 p& d/ \+ E& O* R* `: E - if (digitalRead(0)){
7 ~+ ~) C$ H5 p( c' F - ESP.deepSleep(0);4 ^9 y- h2 n$ S& I
- } else {
4 j0 N' S) a' E- m* @8 b - server.begin();
0 D% F- L- V2 u! W3 f - }, J- C( _8 R# o, K
- }6 l' b8 [0 L# ?5 P' z
- void loop() {$ q$ Q$ W+ O" s7 D
- server.handleClient();
) x) B3 r" v% a$ ^ - delay(1);. _7 P/ B2 x7 ~: K. c- s. ?( g
- }2 H% J2 {; d0 I8 F
- String doGet(String url){ O. G, o. [3 n, n# B5 h2 P' _
- if ((WiFiMulti.run() == WL_CONNECTED)) {0 }4 w+ k+ ^6 g4 O" J
- HTTPClient http;
- U7 j; K+ j9 m2 k; I) O' h - Serial.println("[HTTP] begin...");
' t3 x. d+ i+ B4 _9 A - if (url.startsWith("https")) {2 L o% h* B; ?1 W$ k4 N/ x
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");: J! X8 a8 z- g/ x8 U
- } else {3 T# ~, P! c5 U" \; f5 [9 i! p" v
- http.begin(url);) R: h: I0 ~8 v1 C9 @* W2 K; h; s. Y
- }( A+ F$ G$ ?" ]# \
- Serial.println("[HTTP] GET...");
/ I7 p4 b; C- k* f - int httpCode = http.GET();7 s8 _" Z3 M- a' ?4 Q/ [8 J6 Y
- if (httpCode > 0) {3 P- g5 O9 a/ a: P0 B6 K! s) R
- Serial.printf("[HTTP] code: %d\n", httpCode);% ^6 y8 {! m7 a( s6 }
- if (httpCode == HTTP_CODE_OK) {8 [$ @7 l6 x6 W* Y
- String payload = http.getString();, @; g% F' m: b* P- D7 _8 }6 c
- Serial.println(payload);
+ E5 F3 p8 W" M3 O/ D - Serial.print("\r\n");
* G! ~8 l* U, T- B! i - return payload;
: s/ O- }, ]) W2 e - }
* y1 `% A% f3 c/ d% i* H - } else {
, g/ x6 |7 x: s6 T* D9 D. s - Serial.printf("[HTTP] GET... failed, error: %s\n",1 S) Y. h4 W' h7 Y6 Y" ?( L
- http.errorToString(httpCode).c_str());% v- N. `: }! T3 n
- }/ F( T% g# N' V3 z% i
- http.end();+ D7 o' d7 u3 x _
- return "";4 Z8 q4 c4 A) i& b# q
- }8 h: j$ y/ {' B6 G
- }
+ q/ M4 M5 [! f( A1 w1 f1 B5 k% u - void mainAction() {; s- s' \# x8 T: n
- // 发送请求2 n7 R! Q. _4 O, ~2 p. t
- doGet("http://google.cn");
* d6 }; P3 O! T - }
5 K) Q4 [! s8 s
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