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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)+ D- b7 Y0 L* {8 F
- #include <ESP8266HTTPClient.h>
0 f0 u# q' p" r! } - #include <ESP8266WiFi.h>
8 M. g8 S8 L2 {% T/ L" j - #include <ESP8266WiFiMulti.h>& D& d& k' ~) c M, g! O
- #include <ESP8266WebServer.h>
. }0 h4 V' U" h3 b; P - #include <arduino.h>
9 y7 N3 j0 ^/ z+ W, | - ESP8266WiFiMulti WiFiMulti;* D& ~$ u- f% l( a9 M3 C+ F# H
- ESP8266WebServer server(80);
4 ], \) D0 I5 @ C1 O - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";: j, w1 H* Y& j6 y4 B/ \4 g
- ADC_MODE(ADC_VCC);4 | `( z7 q4 v' p' O4 @8 x: `
- void setup() {' T2 z2 W- Y# F" V- Y# E8 P
- Serial.begin(115200);
- Q! b6 t1 ^2 h" z8 p' Q" T4 a - Serial.print("\r\n\n");
. t( `; W/ v5 }3 p+ R( I4 T2 t - pinMode(2,OUTPUT);
. B c0 l( ^: t% _ - // WIFI
/ f- `6 Q4 A# H# d - WiFi.mode(WIFI_STA);; N' V# V9 q, M% s
- WiFi.hostname("Sparkle");
3 u0 [3 S& Q9 m% k9 t" u - WiFiMulti.addAP("wifi ssid", "wifi password");
% ]1 i* n6 m& M* S: t0 g - int tryNum = 15;
5 y! ]# t' V6 }- V9 Q* P - Serial.print("Connect WiFi");" \9 [0 L% v! x6 c5 Q
- while (WiFiMulti.run() != WL_CONNECTED) {
" Z7 u. u& K0 I6 o - digitalWrite(2,0);
! P) l& `- d7 z" N+ s) H - delay(200);
- |& \" r* n! Y5 M5 o% p! O# j1 ` - digitalWrite(2,1);
" h f/ X' Q' p+ N - delay(300);2 k/ L% x' Q1 g
- Serial.print(".");1 |: f& z0 r9 L( T
- tryNum--;' \+ k Z; ~/ R8 m
- if (tryNum == 0) {
$ a4 d" E) x; v" S - // 1min3 z! g6 o! @0 e1 F# z
- // ESP.deepSleep(60e6);
$ l! ], m' I# B n' y - ESP.deepSleep(0);# o) L, b7 y& z, n/ u
- }
3 A: r! f1 j. y0 |- C9 ]: l - }. T2 Z. s6 Q: Y+ L0 g: N5 J6 }
- Serial.print("\r\n");
6 T+ ^% L3 B2 G8 c5 Q - digitalWrite(2,1);) L4 R/ t2 i; T* |
- Serial.print("IP address : ");, U5 }# _& E) C) K% e+ U2 Z
- Serial.println(WiFi.localIP());: H( t. @/ X5 a; s) M
- server.on("/", HTTP_GET, [](){0 [- ~4 Q7 W7 r1 R! e1 U
- server.sendHeader("Connection", "close"); i/ X7 G4 O) m- F
- server.send(200, "text/html", serverIndex);
; E; y( {4 r- Y - });
! p7 B1 W$ @, \/ Y - server.on("/update", HTTP_POST, [](){9 P- t+ K5 Z/ y* ?9 h& z# c5 ~
- server.sendHeader("Connection", "close");; U0 `3 l9 Q4 p. W. ]# X4 v% }4 B
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
& z/ p1 a* V; Q9 ? - ESP.restart();. ?- |9 ~# @2 `$ |
- },[](){3 l8 r s7 O1 l6 A
- HTTPUpload& upload = server.upload();4 S# T6 `6 w+ E5 M0 l6 D" \
- if(upload.status == UPLOAD_FILE_START){5 Q4 [: h% B* P! L/ r+ q8 z: O
- Serial.setDebugOutput(true);
% X6 K$ u. f# f( O- Z6 G/ R - Serial.printf("Update: %s\n", upload.filename.c_str());6 `, J- Z0 m, g; B( P! W
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
2 i: D/ P6 Q7 \. k' i* R - if(!Update.begin(maxSketchSpace)){
4 _" R" t7 k4 ]7 M" L) V - Update.printError(Serial);2 [5 `. }, v5 G0 z
- }3 D ~1 q" k& j2 ]& B. U9 j& G( J
- } else if(upload.status == UPLOAD_FILE_WRITE){
+ w1 L1 A; m1 F5 X - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
, |$ h6 n3 x6 j( J - Update.printError(Serial);' H. \4 v3 n4 x7 l0 B( X: u$ M% Y( B
- }9 E7 Z/ ?' w! F! y2 N/ j+ V
- } else if(upload.status == UPLOAD_FILE_END){* T0 j4 @6 g, E4 t
- if(Update.end(true)){/ d. Z; b- m! s& c
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
$ T/ e2 I% Z* w, @; ~9 E5 ? - } else {4 M0 P; I$ k# r ~) K J
- Update.printError(Serial);
. h' W$ \9 R7 b- m5 v, x4 W - }7 n: C7 N- W# `5 ?: d* E" H& E
- Serial.setDebugOutput(false);) T1 w1 J7 [" y# Q* k7 H
- }
& G! d2 }4 W+ q1 V3 G - yield();
/ e# j Y' f+ E" L - });% u4 q; P% n6 O3 ]4 l% {0 m
- b! K2 ]1 O, ] t
- digitalWrite(2,0);
) q& e9 F& D0 z. K - mainAction();) c/ `( |* M4 H
- if (digitalRead(0)){4 W; f {; r, S6 b G! I& Y
- ESP.deepSleep(0);7 ]$ Y. z; E# M% w) J' a, ~2 p
- } else {
; f3 C/ y8 n6 a - server.begin();
0 v3 i5 r+ v, H J$ [2 y - }. i) F' Q: Z9 ? |7 v6 `
- }
, i9 I0 x: h4 f$ i7 @3 }9 [/ C - void loop() {8 D- U& h4 j9 S
- server.handleClient();
$ C0 u# m4 }% I% ?+ X" b' t - delay(1);" w+ r8 a {, r' b3 w1 R1 } e
- }, ~* S$ M, T8 ^+ V# a. H" ` F. c
- String doGet(String url){
3 b* q& W2 F5 O/ Y - if ((WiFiMulti.run() == WL_CONNECTED)) {
+ l6 G% a/ u7 _* |7 N - HTTPClient http;0 @" Z; d+ H# ?
- Serial.println("[HTTP] begin...");$ w. M% z+ {" ^7 _7 H( c- Y
- if (url.startsWith("https")) {
& A9 r3 a. T. j0 A - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");! d; t4 t8 F q0 k0 q' ^ {+ n
- } else {( |3 u. p: P8 u) V, }
- http.begin(url);; T/ [$ Q+ e& G, i! W; T' J
- }! E+ |! O$ P! m
- Serial.println("[HTTP] GET...");
+ T7 _( |! w% i$ S3 U) l - int httpCode = http.GET();; i: v; \, m3 ^# }1 ]5 N# i4 U
- if (httpCode > 0) {
4 d6 \- D7 Q! E( ~( Z! O( _ - Serial.printf("[HTTP] code: %d\n", httpCode);; u+ L& K; I2 G
- if (httpCode == HTTP_CODE_OK) {1 Q S! p6 w* U# A& P
- String payload = http.getString();( u6 i, u# }$ Z! h' c6 Z
- Serial.println(payload);
5 k# q6 v+ \0 ~; E3 G- U! } - Serial.print("\r\n");- T& h; x4 w' `) x6 u" ` z
- return payload;! u# _! u. R0 v7 i9 J
- }5 Q5 M6 t9 ?. o/ K+ j
- } else {7 y" O" c4 K V" y
- Serial.printf("[HTTP] GET... failed, error: %s\n",1 z" o8 L3 p/ t) S3 ~, u
- http.errorToString(httpCode).c_str());/ c& D1 `9 N3 C- D
- }
) u' Q: p0 R' q( r8 o - http.end();# b& [; @+ ]) }: _. c( A
- return "";
* z f& ^$ q" e/ @# L - }- O& i0 ~ {6 K8 L! H
- }
4 h$ o: a: V0 S. r3 ~/ ^, ^8 Y - void mainAction() {, } W5 e/ X7 w8 a6 b, T
- // 发送请求/ t9 T/ j9 x; U7 g$ o6 W9 B
- doGet("http://google.cn");
( z9 ~4 w3 ^) o3 i( V p - }
- I( r: N1 |' |1 z1 L+ D: V7 |
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