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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)4 q+ \, b' F! @- A
- #include <ESP8266HTTPClient.h>
3 f; s1 u! i4 Y/ f. O+ }! v - #include <ESP8266WiFi.h>
+ Q1 F9 L- ?2 ^- g - #include <ESP8266WiFiMulti.h>
9 G8 g4 k0 {. g1 m& n6 j - #include <ESP8266WebServer.h>/ P2 B( i: j& ]& u7 K
- #include <arduino.h>
1 P4 v! G h- k0 ]' E5 G0 ^3 C - ESP8266WiFiMulti WiFiMulti;
, f' U0 }8 p4 T% M - ESP8266WebServer server(80);
8 D( W Z- u Q1 {$ S - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
& }/ p7 k, q/ x) k - ADC_MODE(ADC_VCC);, T: b9 y; }$ o+ Z5 c9 J) ]
- void setup() {! C( {4 U8 C* v8 k* c, Q: a2 @4 Y1 X
- Serial.begin(115200);
$ p1 ^& w) q; m4 y+ c - Serial.print("\r\n\n"); _, a5 \) Z6 B- {" G
- pinMode(2,OUTPUT);" O7 e- R, @2 K& L$ e
- // WIFI
- r9 O. w& p6 A( E, V - WiFi.mode(WIFI_STA);
1 B6 B: M. j. p% H7 h6 p1 J* V2 L) O - WiFi.hostname("Sparkle");$ d4 `, R3 M) g$ U/ E0 p
- WiFiMulti.addAP("wifi ssid", "wifi password");) w0 w9 Y' b6 S$ M/ }
- int tryNum = 15;. j# i0 X1 X p- C4 q
- Serial.print("Connect WiFi");2 ] |- Q; h) q
- while (WiFiMulti.run() != WL_CONNECTED) {
9 c7 f3 _9 [6 y$ G! o ?! d - digitalWrite(2,0);
$ K' E. k8 b# A* j - delay(200);
% @& O+ [% J& }( |) r+ O - digitalWrite(2,1);' R4 _" W: k' X( O8 o
- delay(300);
& Z/ w& E, [1 | - Serial.print(".");! M0 o7 G" Y# E; Z* N
- tryNum--;
. e# ?' B7 y' t9 v - if (tryNum == 0) {
# _# s+ t- }' U3 n5 a1 K - // 1min
% k( q- w- x/ m - // ESP.deepSleep(60e6);8 a& O6 G6 r! i, U* N: {9 V' K
- ESP.deepSleep(0);& E; A- U! t( g* _; I
- }
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- Serial.print("\r\n");
* N4 K) _; O9 g7 }2 @ - digitalWrite(2,1);+ S6 d* x6 x3 ^/ y j2 y6 }
- Serial.print("IP address : ");9 e# \' I& U! n' V0 N
- Serial.println(WiFi.localIP());- b; ^" g: [' _. N8 {1 z5 h! B
- server.on("/", HTTP_GET, [](){
( z8 M* [$ ^- S3 z$ i( V6 S - server.sendHeader("Connection", "close");8 ^/ X) v6 N$ D- f3 j% t/ P- Z
- server.send(200, "text/html", serverIndex);
4 H! j! u" \9 u7 Z4 u - });5 R( r$ N- ?0 A4 o2 T! A
- server.on("/update", HTTP_POST, [](){ s2 E; Z J4 g0 O) n1 M( j
- server.sendHeader("Connection", "close");. O5 s9 n6 i' k) a& i. x9 f9 h5 l; P
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
: l+ u$ N* ?- E: o4 Y- ]6 o; g( s6 k7 ? - ESP.restart();
( p+ p1 |% ]# ~& V4 c; ~# h' u - },[](){% G" y- P) u! [5 f% n( n
- HTTPUpload& upload = server.upload();2 i! n6 m2 B; j1 \" `+ X0 p6 B
- if(upload.status == UPLOAD_FILE_START){
! d. s# _, ^% ~: G! h7 U/ x - Serial.setDebugOutput(true);
& D* g" V1 c5 F) m; `& E - Serial.printf("Update: %s\n", upload.filename.c_str());3 P! w' `; H! _' Z+ r- v
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 o3 c9 h0 A7 d - if(!Update.begin(maxSketchSpace)){
1 d9 G& Q' l D4 p - Update.printError(Serial);$ `" @/ U& T) D4 F! N
- }5 G$ B t. Y m7 R
- } else if(upload.status == UPLOAD_FILE_WRITE){1 D2 [7 S+ ?# h
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 ?( [: o! ?5 t7 P9 C4 l - Update.printError(Serial);$ ~% @. R: G5 j+ o* ]0 ~0 m( z
- }+ u' f" w5 M* R: F, _. ^6 @
- } else if(upload.status == UPLOAD_FILE_END){
/ r! L i) U% p! c - if(Update.end(true)){
, k; M% ~8 X4 c+ q2 S) X9 | - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);) Y' q4 z P; ?) O$ q
- } else {& f( H" y! m; g; A
- Update.printError(Serial);
8 p- ]" z- P: y0 J! z. y - }$ V# u+ C; i: C8 O, _( p/ n& [
- Serial.setDebugOutput(false);. V' C: V5 J. V/ [* a
- }
! W7 P* O: Y M6 W' S - yield();2 l7 k% @5 k/ J
- });' M9 m+ A) d8 [2 j" D0 W- E
-
+ v( [2 z) i/ u O# N - digitalWrite(2,0);
0 z' t# D& d- | - mainAction();. {% D$ D- Q, B* Y
- if (digitalRead(0)){/ ~* @3 {/ a2 P: O( Q# \
- ESP.deepSleep(0);: K& n! G: \3 M4 g" A6 v5 `. {; I
- } else {
: n( M8 [8 d ?4 U9 E - server.begin();
, O* M7 f! g9 G/ @6 y - }( h1 q7 i: |6 H$ M) m' O
- }
- ^/ z% ~. e+ ?( W b# J9 c) N! q - void loop() {( n1 z3 K* R9 e2 ]/ c
- server.handleClient();
5 @5 r& o2 k& _( L* A - delay(1);
R4 I2 g5 j4 W1 n% z$ Z; v3 E. x - }% ]' A! N' E# r3 `+ ]
- String doGet(String url){
w# L4 e( n |' d - if ((WiFiMulti.run() == WL_CONNECTED)) {
% n$ o0 U x6 B4 L- I' d+ @ - HTTPClient http;, }9 H0 \- E2 C: p. z! ]
- Serial.println("[HTTP] begin...");& a2 t" O' e3 z' j
- if (url.startsWith("https")) {, }. z' d# I! j- C6 m/ V
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");8 I9 e5 ^4 Y2 L. l* @5 p' N# S
- } else {
6 d/ }1 t" Z i, S* Y1 V. z4 R' k8 j - http.begin(url);5 e2 I. |+ n( ^
- }
& C$ b8 }- _* \# D4 C }6 ~5 U - Serial.println("[HTTP] GET...");) o) G6 @. L, n# c; E5 H) o% {
- int httpCode = http.GET();: |( S' o0 |, _, ~- N3 V
- if (httpCode > 0) {0 n+ ]+ f) p/ n3 I% P
- Serial.printf("[HTTP] code: %d\n", httpCode);
7 \0 {# O/ X. V1 j3 F - if (httpCode == HTTP_CODE_OK) {) W. G8 Z6 J4 x+ x; J2 g
- String payload = http.getString();" G( S3 y8 n0 g: E8 W5 ^% z
- Serial.println(payload);% k: H1 n; [9 _' `/ t
- Serial.print("\r\n");
1 [( _: D+ }5 o0 I" G - return payload;
/ k2 l6 I) Y9 F8 Y( o1 Y' X& a - }/ p1 d7 Y' U% B% X2 F% a. A% k
- } else {% q; f5 E/ u: r. e% q* @
- Serial.printf("[HTTP] GET... failed, error: %s\n",- t' q. ?' y/ I) g8 @* t' j/ m0 `" G
- http.errorToString(httpCode).c_str());# V n! J3 I8 o
- }4 @9 s. s0 l: T. n7 `5 b4 F
- http.end();
0 e3 x) D- l) x# f3 C! \ - return "";# ^8 I& T/ |: v/ o, x0 E* }
- }
- _! P6 X y. S. J7 U - } a; V1 E- X. O1 _
- void mainAction() {
/ r7 ^' N7 ^0 F1 X+ u - // 发送请求- v0 f0 }' @6 |4 Y6 y3 u
- doGet("http://google.cn");; X3 t8 P8 g: t) p. g
- }
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