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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)2 ^4 J8 Z6 s) ^ s8 A9 M( {# N* m+ O
- #include <ESP8266HTTPClient.h>
1 T' p7 k% G# {# V3 ? X - #include <ESP8266WiFi.h># P6 F ~' M9 z2 l
- #include <ESP8266WiFiMulti.h>
: N# Y) W; ?2 w: P0 j: a& ?% u - #include <ESP8266WebServer.h>0 ^$ G) J6 j6 |8 \( k
- #include <arduino.h>8 Q8 s* P0 z3 [- Y0 _
- ESP8266WiFiMulti WiFiMulti;
/ E2 j- A! Y. ]+ J W - ESP8266WebServer server(80);
H" ~% T9 V( O# A - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";8 a d/ M( I( I
- ADC_MODE(ADC_VCC);
/ [* E# F- m+ [0 R% Y - void setup() {
9 `0 B; z0 }! I* D - Serial.begin(115200);/ k5 b- S2 r% N( x2 k% j
- Serial.print("\r\n\n");
8 I( K: U5 Y/ V k q9 `+ Z# L - pinMode(2,OUTPUT);/ N- J) d, g/ G y
- // WIFI
% j! M5 n% f& A! k- A( I, O - WiFi.mode(WIFI_STA);
0 b3 U' ~2 ~+ D" b2 J - WiFi.hostname("Sparkle");2 @- m* v/ C, o. U5 v% z4 G
- WiFiMulti.addAP("wifi ssid", "wifi password");/ ~* G. B7 D1 }8 H
- int tryNum = 15;9 m0 I' D0 v2 Q4 y! Q
- Serial.print("Connect WiFi");6 s, i2 M: H; R2 v
- while (WiFiMulti.run() != WL_CONNECTED) {! |1 c9 W% c, o/ F1 z0 d1 v' O( b
- digitalWrite(2,0);
5 N- a: p3 U. k8 ? - delay(200);( \: t; ?8 `, u" T# b! y+ k
- digitalWrite(2,1);
- R4 G# e" y; g( j0 h7 S W0 K - delay(300);3 j8 E7 \$ c4 @/ A( Y
- Serial.print(".");* D: }# {+ a4 ^' G( m1 E
- tryNum--; M; n/ {- b7 l, b
- if (tryNum == 0) {
4 s |+ L( _1 u; u - // 1min! }* E# t% ~ q: ] G
- // ESP.deepSleep(60e6);( ]6 r+ N7 k9 A( D8 s
- ESP.deepSleep(0);
6 ]+ e a( r) x6 d3 F0 G! ]: Y - }6 r6 M8 B% }/ j1 X4 \
- }
( w% h% P1 a" p. O5 K _+ \0 ~ - Serial.print("\r\n");
1 @& N) ^, P5 A; C/ ~: J. @, f& ? - digitalWrite(2,1);) q$ Z3 @+ [6 ?
- Serial.print("IP address : ");
( T9 b# E; F3 S! g$ Q - Serial.println(WiFi.localIP());6 q* n" Y: T0 ~0 z/ B+ g
- server.on("/", HTTP_GET, [](){
2 g4 H; R; H3 C+ p: _: n$ ~ - server.sendHeader("Connection", "close");+ s/ F& M' [0 `; m1 Q
- server.send(200, "text/html", serverIndex);) X$ e$ Y* x! V' C+ r, g8 e( H7 p
- });: D' l0 L& K6 c# b2 |5 p
- server.on("/update", HTTP_POST, [](){
/ H M/ K) [2 J/ J( Z - server.sendHeader("Connection", "close");& n" @; D, b) T W% `5 g* D" b
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");5 F0 d% [9 Z( C/ }
- ESP.restart();
+ X0 m0 I% { K; c& A) ^ - },[](){
# V: e; `8 u1 \% M) J& S* N* J - HTTPUpload& upload = server.upload();& O6 @- ~; W$ j
- if(upload.status == UPLOAD_FILE_START){
! ?( Y, t/ K- h1 G) X - Serial.setDebugOutput(true);
5 ~/ X; o# g0 a* ~ - Serial.printf("Update: %s\n", upload.filename.c_str());
% X& K9 z3 O( i* S" g* ~8 [' \ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000; l' L2 C7 T5 l- d' @( ]' r( m e
- if(!Update.begin(maxSketchSpace)){9 J; r6 {5 E& k, H% H
- Update.printError(Serial);" R6 \; l' E1 X; x# i
- }+ I0 W* @+ y8 _$ k" U& E
- } else if(upload.status == UPLOAD_FILE_WRITE){
M% D( ?& X) v: o$ m - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
/ i9 J" F8 C9 F* u/ z5 J+ C$ T - Update.printError(Serial);
) I! p. ]8 o& C3 Y - }3 G' ^, B/ C8 t5 |) V5 F& g* B7 d
- } else if(upload.status == UPLOAD_FILE_END){
; I% g" r& z5 p. A* ^% y" p - if(Update.end(true)){
$ A& Q, {' t9 E - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);. M$ e' r& g" u% g6 T4 J1 ^6 m6 y5 ~. c
- } else {" ~* V7 [& f) y( Z' N; B
- Update.printError(Serial);. w5 K# k; q* H9 B1 S l
- }
# N4 X# k% M3 U: a+ A5 D7 U6 @ - Serial.setDebugOutput(false);9 j" [1 B2 i& A8 m7 u' _) U
- }" L9 x" |5 m0 _% D0 T- r
- yield();3 J( }$ l- j* E. R O8 x* s
- });2 y- T; J- `1 |6 k, N" @/ [5 d6 C
-
' ]9 S0 k1 E2 l# w5 m/ T+ o, j W - digitalWrite(2,0);
: `6 Q7 ^4 m2 P8 d2 \( e - mainAction();
+ w9 x3 D: f U - if (digitalRead(0)){
* Y; `% N. X! ]' O* q - ESP.deepSleep(0);: @' r. z( L# h8 v. G
- } else {8 g' e: R2 Y0 b2 I" Q5 P1 G
- server.begin();7 t& \5 G9 P8 G! `$ U8 ~
- }
7 T6 s+ }3 B+ P: R2 T0 W - }
. k0 r) X, O) Y8 K, y7 `- f" l7 j - void loop() {
% B) t9 H$ n0 C7 ]. h# S6 @ - server.handleClient();: N7 }' ~2 Y/ H/ M
- delay(1);
5 |; t+ s6 c& y! B - }# ^- q) S9 t( Z) {5 z Y
- String doGet(String url){, @; j8 a4 y2 e |2 S) w
- if ((WiFiMulti.run() == WL_CONNECTED)) {! v! T: u+ n% r! h* O
- HTTPClient http;4 R. L. Y- O2 y
- Serial.println("[HTTP] begin...");
+ r" j' h$ t) N3 k6 {2 s; V4 V - if (url.startsWith("https")) {" k! Z K ]( U
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
( d1 q9 ]& ~ T' W1 S2 x - } else {% j6 W; G8 ^' `0 L, `0 e. J7 t( q
- http.begin(url); @% \5 @+ }4 b9 f" V( P
- }6 T* x" ^9 b0 h6 v
- Serial.println("[HTTP] GET...");
; {) j. H& S6 q c" s - int httpCode = http.GET();
$ ?- I, A' Z# ^ r - if (httpCode > 0) {
5 M1 B3 V. ?, M A - Serial.printf("[HTTP] code: %d\n", httpCode);
2 v; P3 Q4 G7 Y1 N: H% o - if (httpCode == HTTP_CODE_OK) {# z! u3 k) Z9 I. ^
- String payload = http.getString();+ y# d; C( _& a4 g/ e _+ K
- Serial.println(payload);
! N( o1 o3 w0 H1 ^9 [! d - Serial.print("\r\n");4 D/ A/ \! X& _" E' G8 `) [3 E' r
- return payload;$ U) X; l7 I$ I
- }5 Q/ S+ e; H2 D( h
- } else {
: U$ I. A A) b/ }; L, }; { - Serial.printf("[HTTP] GET... failed, error: %s\n",1 r% H5 [" ]8 ~+ F, j
- http.errorToString(httpCode).c_str());
2 w/ h7 h, r2 ~1 N - }" W% R# Q% [7 {
- http.end();
+ @, L) m$ s1 `4 ]6 C - return ""; I% ?: b$ i# l8 }) e% S2 N7 v
- }
, z: R" [: h+ h) R, d# i7 ], Z - }
+ S# W6 A" ]+ W9 O - void mainAction() {
2 Q% Q) H' a3 Q4 b/ n. ^ - // 发送请求
8 I4 t. ?7 l# S6 |# n - doGet("http://google.cn");
( @" ^5 v( `7 X1 n }/ n& ]. V1 U c - }
7 y9 ^* u7 V" R/ o- [, D+ ` D
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