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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)
- z) S; \5 }: y1 P' H V# m; ^- #include <ESP8266HTTPClient.h>. E/ |2 ]1 e# p% s- b
- #include <ESP8266WiFi.h>6 O* |8 e% _" V$ Z
- #include <ESP8266WiFiMulti.h>/ w! R4 f" Q: U# _( X5 R0 [7 S
- #include <ESP8266WebServer.h>
) ]" ~; M y& V5 m; l1 F1 j - #include <arduino.h>; \" D# u( R+ i7 T
- ESP8266WiFiMulti WiFiMulti;
& ?3 {- g: n- ]( B4 y+ s - ESP8266WebServer server(80);
3 A4 U; k0 v+ H - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";! t) {9 `7 ]1 R( m3 N
- ADC_MODE(ADC_VCC);# { }/ f& m+ ~/ |+ M% r/ R2 I
- void setup() {
- J% y; P5 b& j) {6 q9 W - Serial.begin(115200);
' Y% M$ n& f/ a# s# b2 | - Serial.print("\r\n\n");0 T6 ?" D: Q; m: p, {+ h* {* m. a
- pinMode(2,OUTPUT);
& Z3 h G0 F- H$ A6 l - // WIFI# h( ]# Y D' c$ p9 ]
- WiFi.mode(WIFI_STA);
4 A; d3 q5 C m2 C* e8 [# ^( K - WiFi.hostname("Sparkle");6 O/ c' `& a; h
- WiFiMulti.addAP("wifi ssid", "wifi password");# N+ {/ K1 h, G- F$ B+ g L
- int tryNum = 15;, o5 v4 E4 n1 N, r5 {1 \; [
- Serial.print("Connect WiFi");
^5 e# R* Y4 k" _7 G1 f' M+ R9 B9 c - while (WiFiMulti.run() != WL_CONNECTED) {) H' d$ c- o2 Z# H$ `
- digitalWrite(2,0);
' N: w, E! }: M# e2 } - delay(200);
( q& j8 a# c3 b9 i/ G5 N" n - digitalWrite(2,1);9 l2 Y" Y8 m; u
- delay(300);
# d m) R( ` r. K, n - Serial.print(".");
" V5 b3 o/ ]) e4 _( x - tryNum--;
& l4 y. U+ @6 Y& u9 Z) I8 d9 d; j - if (tryNum == 0) {
. ^, f. |8 Y: m( r0 W - // 1min( n* e; _$ H3 @& J/ m3 s: ^8 M
- // ESP.deepSleep(60e6);) X2 j; [; f7 F0 C& e" g
- ESP.deepSleep(0);1 u( q) Q% W; ]* R# D0 a
- }9 }5 [. O1 q6 t( r0 g0 W- S
- }% b5 T* G. z1 s
- Serial.print("\r\n");
/ H/ g- f# L L4 L - digitalWrite(2,1);
0 c& S7 W9 A) m - Serial.print("IP address : ");2 o2 H0 b! W( q/ \# m; z2 s, Z. Z
- Serial.println(WiFi.localIP());1 Q6 U L2 Z' Z$ b
- server.on("/", HTTP_GET, [](){
8 D+ |5 O) n3 v) U - server.sendHeader("Connection", "close");
) g3 m( m7 s2 y; B+ l1 M F* b: U& m - server.send(200, "text/html", serverIndex);
' h) y( ^2 n$ d. ^2 [: m- h - });
, e& i5 ]' f( c7 [# Y - server.on("/update", HTTP_POST, [](){
/ |3 ^. g- F, {' s - server.sendHeader("Connection", "close");2 v& O [9 \5 n7 D
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK"); i6 H" U: \0 Z0 S$ k
- ESP.restart();
3 U2 e% t9 J0 ?: t; t - },[](){
" y2 [* E& A: B - HTTPUpload& upload = server.upload();
' z& f) E+ q# M1 c& o u1 |7 a - if(upload.status == UPLOAD_FILE_START){
# z4 b7 q- J1 d6 w" E; ` - Serial.setDebugOutput(true);
' R: o; p/ J2 j: c2 \9 P - Serial.printf("Update: %s\n", upload.filename.c_str());; \7 p0 x/ n3 e+ m& \
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
E- [2 _3 P+ [% C. Y9 W: H - if(!Update.begin(maxSketchSpace)){+ b: k0 _$ ?& S* J) B' m& v' }
- Update.printError(Serial);# Z9 M. q8 K( d; m t9 `: n+ G3 w
- }
; r4 \, F3 H4 m9 p - } else if(upload.status == UPLOAD_FILE_WRITE){3 ~4 n* q3 p% T+ ^! f0 ^
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
# o4 b' @. v% I' U - Update.printError(Serial);1 c7 S# y$ ~1 I( ?6 \) a/ u' O7 o
- }% j( O& h+ a& ?% D2 M
- } else if(upload.status == UPLOAD_FILE_END){
2 T y9 [# D; D8 v7 R7 | - if(Update.end(true)){5 s* y) [; k+ |. U8 @
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
' B- f5 l* E8 L# c - } else {
+ `& z) E1 r- y - Update.printError(Serial);
, R: P$ F' f# c! s - }
7 o4 u$ e& f1 ` Z - Serial.setDebugOutput(false);
; }- H: n! n# a; c, \& u$ ~ - }
+ N0 i3 r6 o- J d8 d - yield(); s0 q8 J. j8 L; @6 ]) F
- });
$ w, e5 p+ i3 l6 e# M -
+ F2 V! e9 {( N6 D" ^; Z o - digitalWrite(2,0);3 W3 C2 O& j- l% t# B* @
- mainAction();& L/ g1 M) B0 M* Q, ^1 Z
- if (digitalRead(0)){+ |# ?3 Y) m0 @$ _2 ^% F
- ESP.deepSleep(0);+ d5 \3 F9 C4 _& M0 {( }
- } else {4 r) a0 R: X7 i# n* V. ^4 |9 ?; _2 ^
- server.begin();
9 N1 K; z+ N# R" R$ @ - }7 ~) m$ C1 J' d6 _9 h
- }0 o3 E. ` T6 {! D3 v/ e. Q" l
- void loop() {
* J! S' O+ x3 M# ]% \$ ? - server.handleClient(); \$ h1 Z$ h) _* c. p+ h% }! o
- delay(1);2 G H) u1 S5 {6 Y3 \2 E1 {! F
- }4 A$ b! I( X/ `* l6 Q
- String doGet(String url){( p5 f7 A* l% ]1 x; w( T
- if ((WiFiMulti.run() == WL_CONNECTED)) {- h8 @# K5 Y* t2 p4 S, r
- HTTPClient http;- C. V# r2 x6 ^+ u% c; k5 X
- Serial.println("[HTTP] begin...");* h5 t b: L" L3 U8 {2 S( Z
- if (url.startsWith("https")) {
$ Q; q9 q$ S y6 i2 T - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
) Q. v% j0 P3 \2 b1 O8 A7 R - } else {
+ A1 M0 u" F% d$ G/ |/ T* A/ w; _+ J6 I - http.begin(url);
! j* a; x" {; M! u2 B - }
0 e8 A, B6 z2 c: S: y - Serial.println("[HTTP] GET...");/ f& Y9 x+ L- Z+ _+ J0 v
- int httpCode = http.GET();6 S, Z+ @* [% O' I% r
- if (httpCode > 0) {' k/ z) h8 B% k' A
- Serial.printf("[HTTP] code: %d\n", httpCode);, o W& ^+ }6 g# N. @! i# p& L
- if (httpCode == HTTP_CODE_OK) {' P( \( e6 `# S2 W& V
- String payload = http.getString();5 m8 l& u; z, } t) Y c% b
- Serial.println(payload);
8 y7 Q6 `* t$ M$ \% ? - Serial.print("\r\n");; [3 [; \2 q1 n3 l! v
- return payload;( H/ D8 @9 T9 c9 b
- }
7 M% L* \/ w* }5 K1 |8 h - } else {
, O8 m* E1 R* _ - Serial.printf("[HTTP] GET... failed, error: %s\n",
& m3 ?! @ O4 k - http.errorToString(httpCode).c_str());
, M! Q$ X8 ]7 Q - }
; }" |! ?5 _+ B% I8 C. |! h - http.end();+ Y5 K: B! c r$ P* Q1 @8 ^9 o
- return "";$ R% [7 w: s3 R) ?+ I" |) O
- }7 `0 L/ I# ]3 z# a. R; J: ~/ M
- }
, X' S$ z0 @/ F# Y - void mainAction() {
0 L6 B M. r/ G9 E0 f - // 发送请求
0 p- n- |& L8 H# q1 c" a" p% z - doGet("http://google.cn");7 |- X( K3 c- c1 Q# l% U& J: T
- }1 Y" q4 c: s: n5 j1 J
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