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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)( h7 b* i8 W% ?0 V S+ ^
- #include <ESP8266HTTPClient.h>
8 t5 ]# q6 a; J4 A3 W - #include <ESP8266WiFi.h>
! S$ n) X" V# ]: v - #include <ESP8266WiFiMulti.h>9 M9 X" Y8 c; O" L, p
- #include <ESP8266WebServer.h>$ K; w! {: D1 H! \3 C" Y
- #include <arduino.h>
& ?. K3 f. w% R {' j/ r4 A - ESP8266WiFiMulti WiFiMulti;; n7 Q7 f1 I% a! L, z+ [! Y
- ESP8266WebServer server(80);
: ]- {5 L. }) c$ ^3 g: t - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
$ I7 f7 E+ z0 b$ g% {' s1 n - ADC_MODE(ADC_VCC);! [% u9 {8 F% w$ F
- void setup() {
( Y; x2 r# `+ |7 ]2 v5 B/ v9 i - Serial.begin(115200);- Q% [% I8 B9 ~6 I
- Serial.print("\r\n\n");
/ d1 h g; Y9 ?+ y9 \7 j - pinMode(2,OUTPUT);' f% \# Q4 P Y8 U! x
- // WIFI* D& Z+ t' ^- }; y
- WiFi.mode(WIFI_STA); \3 ` W0 ^! f6 l3 M! s7 V" P
- WiFi.hostname("Sparkle");
; b& Z% b, B" }# q - WiFiMulti.addAP("wifi ssid", "wifi password");
7 M: t9 z x1 K6 l' d - int tryNum = 15; v/ X% O( |# w
- Serial.print("Connect WiFi");$ F4 I v6 S4 `( ?. j+ S, ?$ |3 z
- while (WiFiMulti.run() != WL_CONNECTED) {2 v! P K* k1 l( h) }0 q+ _$ Q! n
- digitalWrite(2,0);% i& V; h- l s1 W5 B
- delay(200);
; k" s2 l8 C, V2 q - digitalWrite(2,1);
' c: B" n4 R; c: E7 c - delay(300);* m3 p# j1 {6 d
- Serial.print(".");& @$ ^9 B! E# o" w' ]# |
- tryNum--;
) s( S! Z, y* o; W. O+ j! O - if (tryNum == 0) {( m! g" D& Q V$ A% Y$ \
- // 1min
, l+ K4 R; Q; f$ Y - // ESP.deepSleep(60e6);; @9 S4 S* Y6 ^
- ESP.deepSleep(0);; R, O k( A" g7 h! F9 i) L
- }. p- H; `. ^4 [! F
- }
0 m$ G2 y1 h1 U, i9 O9 J) C1 O) N - Serial.print("\r\n");
; ]! C$ @1 o3 T7 {* M - digitalWrite(2,1);
; T& g& J7 M0 B+ ?4 n0 J* q - Serial.print("IP address : ");, q* F" w1 Y/ F2 s" @& t
- Serial.println(WiFi.localIP());. M8 p1 f7 Q* g9 s) F
- server.on("/", HTTP_GET, [](){
* O+ N; U$ _8 A - server.sendHeader("Connection", "close");
4 g+ T# `! E6 B! Q2 ]2 d0 m) ~ - server.send(200, "text/html", serverIndex);" ^2 ?0 ?$ Z# y
- }); a1 v" X$ v. A3 v9 R
- server.on("/update", HTTP_POST, [](){
Q. s) a% [, x - server.sendHeader("Connection", "close");
; v. i" j7 r6 V( }2 X - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
( t, m$ @( D; |4 z - ESP.restart();
6 n! t* |% F5 k - },[](){% y4 V. x) [8 U7 h; z
- HTTPUpload& upload = server.upload();
9 r9 K2 [; z/ O6 w; Q - if(upload.status == UPLOAD_FILE_START){
. `7 o1 a7 u' l7 b: O) g - Serial.setDebugOutput(true);
+ I" p* Q' C8 [. x/ E - Serial.printf("Update: %s\n", upload.filename.c_str());
8 |0 ]7 @- I o" P - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;7 {9 i$ }1 j. o& a/ E
- if(!Update.begin(maxSketchSpace)){
- [% e1 N$ w- D% [5 n - Update.printError(Serial);8 T @3 V, R( b: Q
- }/ d9 T: N9 I6 O& N9 H& `
- } else if(upload.status == UPLOAD_FILE_WRITE){
" D8 Z8 j) I8 @! q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 _6 r+ Z6 Q1 ^ - Update.printError(Serial);5 N/ l% I0 F( n7 k) f6 s* U9 f+ I! j
- }/ |4 P( Q: N M) r# b7 f& \2 d% ?! S
- } else if(upload.status == UPLOAD_FILE_END){9 r, F. l3 m3 C6 t- I3 F6 E
- if(Update.end(true)){
" h- g( c; c( s - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);+ [- r( K7 o/ {% r- h
- } else {
( ^# W. b; j1 |3 N6 U - Update.printError(Serial);
- q9 ?( s$ ~9 r- P5 O& Y - }
" k6 W! \' L" B - Serial.setDebugOutput(false);
! Q. K* R1 Z4 {6 u: m - }! ?6 }, H* T- I B1 P8 q
- yield();
- j l; {% A4 Z! n/ l5 Q% s - });* e( u& @2 C' K+ B& M$ _
- ; b- r } d6 u: K& s9 I
- digitalWrite(2,0);* x9 h2 ]. ~$ z( G' }3 S# F/ ]
- mainAction();2 h3 @0 v& `" [& x" y% y, M1 v
- if (digitalRead(0)){: w2 @# N& ~1 q3 D! N W
- ESP.deepSleep(0);$ h; @% O, \) e7 ?' @3 R& A
- } else {
N. U% ?* @3 w - server.begin();
. G4 T* P+ i; o7 @. |9 b7 T" X - }
$ G; u2 W1 P7 Z+ X8 y4 u0 y - }
+ H. {+ T7 r* C0 ^ - void loop() {
4 N% e% g5 s1 Q" x7 \ - server.handleClient();+ X. z5 g+ f6 f/ t, ^( z1 r
- delay(1);; |7 f! {! t- `6 @( h6 e$ g; i! Y
- }
+ `5 V# }, ?0 L6 }. P - String doGet(String url){& }% P6 T. h. s ?5 m* i% j
- if ((WiFiMulti.run() == WL_CONNECTED)) {6 |8 }8 Y+ z7 B7 ^
- HTTPClient http;3 P) L; [. A1 B
- Serial.println("[HTTP] begin...");, p' S( w, U, l$ Q9 g
- if (url.startsWith("https")) {( D o# \: X+ m2 i
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");. \; I) o- Z3 {1 A5 f% ^% X
- } else {2 U/ f# c2 h! A0 g
- http.begin(url);: J5 T* c( _) Q V' H
- }
) M" k# Q% L* k6 J1 }/ d9 B. B) b - Serial.println("[HTTP] GET...");
- k7 B3 g" M8 D6 u8 A - int httpCode = http.GET();
! {* m3 u7 n* V# g8 a/ w I - if (httpCode > 0) {) G h& [6 z4 @/ o0 c0 p/ h4 \' P
- Serial.printf("[HTTP] code: %d\n", httpCode);
1 O# B$ j+ G! K+ u - if (httpCode == HTTP_CODE_OK) {3 Z, Q* u! H4 _( M
- String payload = http.getString();
6 g/ }. a& x9 L$ d" l, h - Serial.println(payload);0 ^: K. m0 B3 k! f9 P5 v$ t# [
- Serial.print("\r\n");
( S9 V, ]) \- b - return payload;" R, m/ U! i: L2 r) R
- }- V% }- J8 Z0 L
- } else {, |& U% k3 N& Q3 x3 f
- Serial.printf("[HTTP] GET... failed, error: %s\n",# g( E# e6 w W* ?. E8 Z' u# Y: J
- http.errorToString(httpCode).c_str());
/ }4 b1 N6 i8 W6 y% Y" z' ~ - }* k6 d5 A2 a$ F! {/ D
- http.end();
: \, U/ y% K6 r }' H8 ] - return "";! o2 S3 l/ t$ d% v, z( J0 L* O+ f/ Q% d
- }$ D1 t1 ^0 ^% b" }
- }' {8 O% \. y3 Z' j$ f
- void mainAction() {
! H% H7 }- O _# I( ~ \ - // 发送请求
7 c7 p7 Q1 a( c; i- g2 R - doGet("http://google.cn");0 |9 b- b- Q! B/ g; r! {) k
- }
1 M' C3 _- K) R4 E& \' i" W2 i% V
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