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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)' d0 K1 t: b2 f& J d# I8 y" o
- #include <ESP8266HTTPClient.h>
) D( ~5 _8 w0 j - #include <ESP8266WiFi.h>
5 } X4 e. k! f( Z7 d$ r J9 q7 w% T - #include <ESP8266WiFiMulti.h>
9 G8 m& z2 E4 ?: c0 g - #include <ESP8266WebServer.h>
. N% P) Y; M' d P2 L) P - #include <arduino.h>/ a2 ~# r; x& A. g1 X
- ESP8266WiFiMulti WiFiMulti;
2 D0 c3 x' L- i0 |8 j; s1 Z+ w - ESP8266WebServer server(80);& U) ?) a E( D. W0 v0 l: Q
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
# p* d2 u8 g3 N$ G8 r% Q2 p - ADC_MODE(ADC_VCC);' t8 _1 n1 f8 R i7 S4 o, X
- void setup() {6 a7 y! g( a# j2 e" f
- Serial.begin(115200);8 o" F! {5 g& ?8 x
- Serial.print("\r\n\n");' l+ a2 V; {6 X6 T4 T* d, i
- pinMode(2,OUTPUT);
- [# }6 N2 l- y3 S! ] h$ R - // WIFI- [* v$ G' F! n ]7 M# k
- WiFi.mode(WIFI_STA);# r2 G4 n; G" r' `( T2 l- `/ R( J
- WiFi.hostname("Sparkle");# R& v- X1 w0 E) f
- WiFiMulti.addAP("wifi ssid", "wifi password");: T. {# I& I) V. I- P+ l
- int tryNum = 15;3 L4 N" t% p9 o$ K6 [
- Serial.print("Connect WiFi");7 r# `2 F. e, `9 Y) [; X' p% v4 p
- while (WiFiMulti.run() != WL_CONNECTED) {4 c1 Y6 b' e# s) ^
- digitalWrite(2,0);
7 J K5 h& _4 Y8 B' z - delay(200);
. f a/ M* P S% t( X2 A$ X - digitalWrite(2,1);
, ~" j7 o$ V# B1 T2 v - delay(300);- F7 o9 y- w* w
- Serial.print(".");6 c7 B1 P4 J- h+ b8 z4 F
- tryNum--;
, `8 a H" k& R. n. u: K - if (tryNum == 0) {
5 k- \7 j# I6 c' h- v- j0 Q8 T - // 1min% V" R1 V3 k; F- P: h. r o
- // ESP.deepSleep(60e6);
' {4 s/ T k6 ]8 D) I5 y - ESP.deepSleep(0);
# a6 t3 J6 H" J3 g; P& x9 \ - }
4 R2 N0 R- n, Q( C( L8 O* U - }. x5 l$ J" T, M6 E6 u
- Serial.print("\r\n");* D# O. i4 P( f9 v* c8 ?0 ~
- digitalWrite(2,1);
6 }7 P! F6 b2 V - Serial.print("IP address : ");
H4 I' K' X% a" u" b! o - Serial.println(WiFi.localIP());
* A) z6 I1 @0 K - server.on("/", HTTP_GET, [](){ ~1 p9 l, @/ O
- server.sendHeader("Connection", "close");8 r8 U4 \9 t# Y8 w* ?5 I
- server.send(200, "text/html", serverIndex);
) X+ K$ Z( r$ w - });
. ^- P% [8 {; @, R' q( d+ K4 b - server.on("/update", HTTP_POST, [](){
! W! S+ @0 _. E - server.sendHeader("Connection", "close");
# Z3 u9 @6 ]% S* u0 f - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
; W) I) n/ B3 y% ^2 Z- \' c) E - ESP.restart();4 @9 R: X% h" F: |* q
- },[](){2 a# M! _) j6 E3 r1 d3 _
- HTTPUpload& upload = server.upload();
, g9 I- l, I3 j$ |7 G7 p. i - if(upload.status == UPLOAD_FILE_START){
/ f$ d" \9 R! Q9 I# H* @. S - Serial.setDebugOutput(true);
% {% J! ?6 o: _3 H+ E) i1 m! ?+ S - Serial.printf("Update: %s\n", upload.filename.c_str());
& w0 G1 R7 M& c! B- U% t- | - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 f0 w0 r1 _$ H& K/ I0 Q - if(!Update.begin(maxSketchSpace)){4 t R+ h# r+ h: t3 F5 P
- Update.printError(Serial);$ T9 u. e) H( {. E/ b: p1 |
- }
+ w" F, K4 ?3 u9 I: t! h9 r - } else if(upload.status == UPLOAD_FILE_WRITE){3 _7 V# S3 w3 E2 ?8 g0 r6 }4 c1 ^, x }
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){+ p; k6 t2 W6 o# q
- Update.printError(Serial);7 v5 L, k5 |& T% S. p, u9 Y& ^
- }1 B6 ] ~/ c& f, [
- } else if(upload.status == UPLOAD_FILE_END){6 T/ }/ a0 r' }: F( w
- if(Update.end(true)){( z* Z4 \' O4 I
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
7 ?, j4 \7 t) N2 M6 ?- K% i - } else {# X% D& H `9 v
- Update.printError(Serial);
1 f: q9 o+ R1 k9 a8 D - }
4 b% ?# U4 Z+ f+ Q - Serial.setDebugOutput(false);
. q9 t3 U+ Q# j1 X. H e7 k - }( B' Y# x/ F: G K* `
- yield();
: s. f: i. w5 ^2 G; Z7 | - });+ Y, T* g( E' X$ w O" ~1 P0 Z
- % q" b& z. y' D% S6 H5 K! t# Q
- digitalWrite(2,0);
% O* A: F! b$ f8 B9 Y. J7 L" j - mainAction();' O+ h( E, [; d/ Y. y6 A
- if (digitalRead(0)){
8 O/ l) O: f& j. R - ESP.deepSleep(0);- R/ B' Z9 {2 T/ \7 i) U6 u
- } else {
3 D2 V; s2 u3 b - server.begin();
6 y5 L5 |8 ^5 r6 m7 Z - }
& R1 y* d O$ } - }
' q5 { u X' W) n% F - void loop() {
r+ P" m, C) P) A+ ? - server.handleClient();) A4 |& W* ^& S' A& b- V
- delay(1);: |' j- e9 @ N3 B' u) b5 I7 U7 K
- }
) ~0 y& _3 }+ Y1 Z+ G - String doGet(String url){6 E( ~% V2 ]$ I4 k, z6 x: j
- if ((WiFiMulti.run() == WL_CONNECTED)) {
/ D7 [6 p& f' h - HTTPClient http;
: |8 n. z: y9 x1 h2 H5 T - Serial.println("[HTTP] begin...");
. W8 `' f4 j% m _1 b - if (url.startsWith("https")) {5 l; d9 P6 V# p/ C
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 {4 H. i0 S, {8 f( v5 c
- } else {
- t8 R+ O) O* P6 s' H" m. u - http.begin(url);( j5 q7 B& [4 ]2 L" R: _
- }, e. v" e# t7 ~ t
- Serial.println("[HTTP] GET...");
" K: G* W4 j# z/ F, X - int httpCode = http.GET();
' S% G" j3 Y6 Y1 o5 b, l - if (httpCode > 0) {) K, m5 F* l8 O+ \: X
- Serial.printf("[HTTP] code: %d\n", httpCode);
$ ]$ |4 x! i' \# w - if (httpCode == HTTP_CODE_OK) {: Z2 A% L9 T; w8 f: Y" G, h `% O
- String payload = http.getString();
7 w, u/ I8 T: X; b2 U - Serial.println(payload);
3 \; Q* V; \ I& f - Serial.print("\r\n");2 U+ Z" o8 Q4 t$ U# x! F
- return payload;7 l" a- K% S6 H& C: x" Z
- }5 [4 `$ D6 ~9 z. r0 {; Z
- } else {, Z0 Y, h4 N; w/ J
- Serial.printf("[HTTP] GET... failed, error: %s\n",
" z5 @1 r+ ]& [" M - http.errorToString(httpCode).c_str());
3 Z$ y$ w& l9 }% X3 h/ j - }" z( V ?% J$ X0 L, R" w- Q# y" ?' w
- http.end();
( K/ E( v3 F8 R: d0 k3 r - return "";4 h, R& {1 {$ [) H. A$ a% u) l @
- }
' y$ H& {& Y) I5 L# ` - }6 F& l: t: C1 W! Y' p# h
- void mainAction() {
; ~2 W; W" {: ^* |5 D - // 发送请求: s' N. W3 @+ e- \5 r2 f3 T- q
- doGet("http://google.cn");+ t# z7 O( k. q5 S8 {
- }
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