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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)9 x/ h/ H% L7 H% m& p" S5 t3 Y" {
- #include <ESP8266HTTPClient.h>& R. Z8 f; ^2 j: W3 {2 A- ~
- #include <ESP8266WiFi.h>) ?" N; D1 @) n& v
- #include <ESP8266WiFiMulti.h>
2 X9 N9 z, U4 P2 I0 c+ _% _ - #include <ESP8266WebServer.h>
1 L4 m1 O, M; R( V& m6 w - #include <arduino.h>
- P9 R- V! d8 |0 X. S( T - ESP8266WiFiMulti WiFiMulti;
( d2 g& W5 P) X+ x S7 x! N - ESP8266WebServer server(80);8 W5 `% X! c( `, s/ E
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
- e p( \( V/ K2 p# m* V+ D - ADC_MODE(ADC_VCC);7 N3 b. \% h( I0 Y' f/ B' W) X
- void setup() {. d' o) p' w' g* f8 U
- Serial.begin(115200);
8 W, v/ K; C/ _3 O+ i/ H9 p/ J - Serial.print("\r\n\n");0 @" u: E: a# f( N; Q& |) E
- pinMode(2,OUTPUT);" n' }1 Z8 f4 I
- // WIFI
^0 |7 S; t7 ^/ y - WiFi.mode(WIFI_STA);
9 D' N e3 A2 S$ |( @# n - WiFi.hostname("Sparkle");* s- A( \! I. }, m/ z. p* I* q
- WiFiMulti.addAP("wifi ssid", "wifi password");
3 ?7 S1 R+ U! U) z/ B# Q) t - int tryNum = 15;
# G B; \3 @/ y/ c- n - Serial.print("Connect WiFi");
* p9 k( n/ Z! a4 n) n3 n8 m - while (WiFiMulti.run() != WL_CONNECTED) {
5 |. D" k) _6 d3 | - digitalWrite(2,0);
. d+ A2 m8 p: X# _/ I9 _4 n- ^0 D - delay(200);+ F& _ M& R+ N8 L+ c9 H- h
- digitalWrite(2,1); f- }" B( D) |' t6 ~
- delay(300);1 x- s7 b3 T2 y+ g) a( Z7 t5 Z
- Serial.print(".");
" r, q* f: }6 P- ~5 X2 s! ? - tryNum--;7 @8 [ f/ X/ |4 N' e0 ~9 y! |& \
- if (tryNum == 0) {
5 Q& j' Z* i% u C: ` - // 1min2 j; g% W) m/ H$ N7 A
- // ESP.deepSleep(60e6);4 Z ~- \" _; \6 u
- ESP.deepSleep(0);) j( v. {4 e6 S& E" b) ]3 N4 B
- }
4 }) _" t. M6 P+ ] - }9 Y T* v' e3 s
- Serial.print("\r\n");% L; `: A0 E1 l/ a1 C
- digitalWrite(2,1);( G. T+ B }5 D+ w
- Serial.print("IP address : ");* X2 P$ J$ W' |' y3 @/ K# S
- Serial.println(WiFi.localIP());
; Z! Z% Z# Z& l - server.on("/", HTTP_GET, [](){
. w5 {1 o& ]- U+ t# v6 L7 q' o - server.sendHeader("Connection", "close");3 l; ?/ g$ s# L; `3 @- a Z
- server.send(200, "text/html", serverIndex);8 Y7 w. D! L8 T& Y# o' O
- });
4 o3 {* U1 m& k. i" c% T$ N R6 Z" |; z - server.on("/update", HTTP_POST, [](){
6 R- H" D( \% Y1 \' [0 r - server.sendHeader("Connection", "close");
5 l" ]$ v: J0 z2 o, @5 i - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");7 g& ]/ |0 |. R! z+ P2 ~0 E
- ESP.restart();
1 N$ E# q& ~' H8 W0 C - },[](){
4 R. L! Q5 r" I1 u1 s - HTTPUpload& upload = server.upload();
_$ M9 r8 P! A# b$ p3 Z - if(upload.status == UPLOAD_FILE_START){
% j2 A6 _4 C1 y4 ?5 A - Serial.setDebugOutput(true);
6 u/ g1 ~. i- H7 z* o+ R4 G3 o4 ~ - Serial.printf("Update: %s\n", upload.filename.c_str());* R* b6 W' e$ X' P- }
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
( O! b- o' e. q - if(!Update.begin(maxSketchSpace)){ J: P. p9 U5 P& m% [, X2 o
- Update.printError(Serial);: ^# e1 y! W3 C, _3 B: I
- }4 O4 u+ }$ W" _4 q0 Z% {0 ^" S
- } else if(upload.status == UPLOAD_FILE_WRITE){
9 w5 C7 U8 l% T2 z& r8 C( e5 t - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){+ C" }% Q- y( A4 I. P# l7 @ l
- Update.printError(Serial);
" }* H; O( Q8 K& F2 U - }) w9 F' M+ J7 m; V2 w$ `+ u; g
- } else if(upload.status == UPLOAD_FILE_END){! R6 m! I3 Z: C
- if(Update.end(true)){7 H2 g2 O8 K Y% _: E* w. W
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);' F; C2 D: p( N( e. O
- } else {
+ M. V% E) q5 _2 R, n0 | - Update.printError(Serial);$ z/ {5 i9 w) y/ \
- }
% y* M; {& C3 `4 B4 c - Serial.setDebugOutput(false);
1 J, m. n/ B4 u" ?# V - }
$ [& U" Q+ q( N - yield();
. g6 t+ X3 K% h+ Z% O1 F8 f* F; H - });
7 J* D* |6 _( q+ H, c5 S& l/ j - 5 _* @: s7 |3 o( c( H
- digitalWrite(2,0);5 d2 L; I T& `: l% j
- mainAction();4 R6 E B1 S6 n, N4 a* i, z
- if (digitalRead(0)){
* c/ o, M6 }# z! D4 j$ u9 V' \ - ESP.deepSleep(0);
' h; P( s3 X6 K. t4 x9 j: _ - } else {2 k1 G* r0 a% p, N% `
- server.begin();
0 J7 K0 u6 F1 G- t3 [ - }
+ T- N d5 Z/ K9 ^ - }
- O9 ?! b) l6 H; K1 o - void loop() {) k/ j8 C3 T& h% u4 `$ R
- server.handleClient();
9 H3 T. v _( h' W - delay(1);3 ?& y! X# T" y$ A: j" f0 \. [
- }
% P2 _0 z% @$ } - String doGet(String url){
+ O9 U- f2 M& x/ J3 `: E# R1 ? - if ((WiFiMulti.run() == WL_CONNECTED)) {5 d1 Q" {# ]2 @" H" \5 e7 X
- HTTPClient http;( _. t+ ^6 ]- e( f& [( G" @
- Serial.println("[HTTP] begin...");# _ @% h' E' p) C) v" M
- if (url.startsWith("https")) {
+ r+ \; U1 o/ |8 c3 ]- A0 q# y - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");' {" u& E" M2 l- Q2 n3 y( L+ e3 q
- } else {
5 |$ f( I: r0 X* W0 ~ - http.begin(url);
& H! x) B o k9 F+ Y J - }
$ c v( A. k @! W - Serial.println("[HTTP] GET...");
. [& y$ V$ L( U( m - int httpCode = http.GET();
6 q8 \/ l% m7 [5 a - if (httpCode > 0) {* s8 u( t' j5 @ w) ^! A
- Serial.printf("[HTTP] code: %d\n", httpCode);6 u0 Z/ K; n$ o
- if (httpCode == HTTP_CODE_OK) {
( W, P3 ?! v% b2 j$ e/ m$ ~ - String payload = http.getString();* ?. }3 `" o- \
- Serial.println(payload);
: s- c# k; L, D+ i4 V3 t - Serial.print("\r\n");6 q# Z; R5 z9 [0 A! U
- return payload;
& P6 t1 S5 t5 |* O - }0 b! ]0 Y4 B. P$ l. f
- } else {
$ ?0 ?/ h. P% `7 N T - Serial.printf("[HTTP] GET... failed, error: %s\n",9 R7 j+ t. \5 V
- http.errorToString(httpCode).c_str());: ^1 M6 ^) u' p7 M. p
- }' M6 \3 r6 K9 T: x
- http.end();
2 F' n, m5 n: o% I- i# ? - return "";
" z) i7 X6 Y2 J. f$ j' D" s- k- s - }
/ \) y3 U+ L1 C. j9 D - }
$ ^/ |% J/ M1 P* z( u2 E" g - void mainAction() {
0 c/ |" { K# c$ ~ z5 Y - // 发送请求4 N: w& \" z( Y3 u3 I" t
- doGet("http://google.cn");
) ]" ]$ w5 {( \/ A% A) i9 o - }
: \0 q2 E p2 a I! V3 }+ G( ^- a
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