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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)
+ P8 n- z4 }! L% D' W* |- #include <ESP8266HTTPClient.h>( F. T0 K- s4 j; u- k( I* X
- #include <ESP8266WiFi.h>% n+ A: e7 T3 u: L: p6 X+ S
- #include <ESP8266WiFiMulti.h>" ^2 q2 z- u! `4 B- e- m: R
- #include <ESP8266WebServer.h>
6 Z, `$ ]% `+ J" h | - #include <arduino.h>5 [% q. Q3 T5 ]' ?
- ESP8266WiFiMulti WiFiMulti;, |. F. G" f o
- ESP8266WebServer server(80);) |9 f: b( v: y0 m; i, X6 U
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";) c$ o. G" f) i. f' w. _$ ^2 R+ X3 H9 d
- ADC_MODE(ADC_VCC);6 `' ^! b4 t# P1 U
- void setup() {
. v, i0 Z% y/ j( E1 w4 d% T- r - Serial.begin(115200);8 U4 Z+ ^' b- ?0 s9 Z
- Serial.print("\r\n\n");
! ]5 F+ F2 K7 Y5 D+ [) | - pinMode(2,OUTPUT);0 [, i; s- I+ ]
- // WIFI! x, v2 x& U: L' F/ q2 c1 E
- WiFi.mode(WIFI_STA);0 D! H0 A/ L# d' b; e( b8 t
- WiFi.hostname("Sparkle");( ?& w* K# @! p+ q& e
- WiFiMulti.addAP("wifi ssid", "wifi password");
& q5 Z# \/ v+ R( e4 i - int tryNum = 15;. Y1 U- X8 h$ _
- Serial.print("Connect WiFi");" {, g7 t. N- t; h$ n* _
- while (WiFiMulti.run() != WL_CONNECTED) {
: }" Z+ V) |9 N3 A - digitalWrite(2,0);
" L$ w, G9 t: s% H: j2 { - delay(200);6 ~8 u2 K9 X, @3 s4 k0 R1 ?( A/ N: m
- digitalWrite(2,1);
4 F0 X/ X' m! \ - delay(300);* n2 n: x+ f2 G' [0 e4 ^. Y" n
- Serial.print("."); I# w$ g7 r# |: a/ s
- tryNum--;" `3 ~ z1 |1 M s; \$ f. ^% k
- if (tryNum == 0) {
( C' w1 X6 ]) E8 \ }% Y - // 1min5 E" l) C& ~" y2 F1 E9 f
- // ESP.deepSleep(60e6);! P4 z; t2 u6 m
- ESP.deepSleep(0);5 A( k# L# Y! ?, s
- }
. m6 _/ \/ U. C' I2 L# H6 z - }* y w! }" E1 I0 M
- Serial.print("\r\n");/ \* {- K& X+ f# E. d# i ]1 ~ G
- digitalWrite(2,1);
4 J4 N* D% S- v; x - Serial.print("IP address : ");
4 }0 }! f. o$ x: M$ \- I; A - Serial.println(WiFi.localIP());0 D1 S' p- W. O: z
- server.on("/", HTTP_GET, [](){# f1 @5 N$ @' @4 \4 ~
- server.sendHeader("Connection", "close");" J% L* Q+ o. N! t
- server.send(200, "text/html", serverIndex);3 |% c5 [4 K- p. E" J
- });
9 J' F. N- \) q2 e& d4 x: v& } - server.on("/update", HTTP_POST, [](){
+ x) z& T- J3 f8 `* R- i; V& Y* p - server.sendHeader("Connection", "close");+ F& l% B, y& |0 f, q
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");4 P- Y# c0 O6 b1 z& I' q5 `+ V
- ESP.restart();" h/ h* F& `0 D6 W f7 _4 Q( d
- },[](){
2 R* N$ [% [' u' a; J* q - HTTPUpload& upload = server.upload();7 e1 g4 |' N$ f7 {( X
- if(upload.status == UPLOAD_FILE_START){
5 l, R# m' i' N3 P4 G - Serial.setDebugOutput(true);6 e% K( z; S' {+ a
- Serial.printf("Update: %s\n", upload.filename.c_str());
: ? u2 P6 z; }# v. t9 h% t5 D - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;* K7 t0 _( C; O2 f- O- q* t* Z) ~; p
- if(!Update.begin(maxSketchSpace)){1 U5 @3 Y* H% ^1 b3 j
- Update.printError(Serial);9 F% D& n# W- ^) H3 F J% n& X% h
- }
6 L6 T) V8 Y& T; A3 |7 F - } else if(upload.status == UPLOAD_FILE_WRITE){, _3 I: v/ W5 v' N5 V" q0 i" z, \
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ ~. L+ H7 |' @5 t
- Update.printError(Serial);
/ ?4 B) j% ^* l" A( V - }
/ O" c) S u7 [$ B' E - } else if(upload.status == UPLOAD_FILE_END){
' A' m& W6 f& Q7 B- z - if(Update.end(true)){
3 ~. A( [1 {+ C/ S! \& ^5 l0 z2 b - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);4 q+ h8 c/ r S8 a# b7 _& p- b7 a0 |1 e
- } else {: f( ]7 b3 O; w; |; f
- Update.printError(Serial);
: p8 R T$ c" ]+ p" V; r7 D5 o - }% f& O4 [6 c- k
- Serial.setDebugOutput(false);
2 Z9 y6 R; w. \- W+ D/ i - }$ t4 j: s0 `# S' B y
- yield();1 J' ?3 j2 L7 v, C
- });
+ L6 X; c; _/ C2 m/ } -
$ l1 e" t! ]6 {' ]0 U3 d - digitalWrite(2,0); B( {% C0 |/ E* q, S
- mainAction();: f' f3 D. b' W8 n
- if (digitalRead(0)){: i+ | T b! P. ]& ^, ^3 C4 b
- ESP.deepSleep(0);: p& I, O5 y) t; a3 e, K
- } else {
$ m- w2 l( N5 ^* \' J0 u - server.begin();0 z, b& }- i( z; y4 b
- }
$ h3 Z( Q% U/ p; B ~% |* ? - }6 u6 l3 w+ n; K% m
- void loop() {/ O; @: E4 e9 X7 [' n
- server.handleClient();
$ m W" c/ l/ B, F5 [+ g8 J4 Z - delay(1);; `' e. d8 D' r: O
- }1 O0 l4 E, }- ]4 q% E8 R
- String doGet(String url){6 k: k- @$ ~( L7 J, l0 ^( ^+ _
- if ((WiFiMulti.run() == WL_CONNECTED)) {
6 S2 T" G, b/ C% q - HTTPClient http;
. {; J) a; R; b - Serial.println("[HTTP] begin...");
* z) U/ o# y# H# Z, t# Z [ - if (url.startsWith("https")) {
, j) Z C5 t9 g1 Z) s9 k' ? - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");6 y4 S* S" ]! U4 C7 F, r/ i
- } else {
+ o% G r( _8 b" ~3 Y9 b - http.begin(url);
4 B/ @ W% O1 B5 y. z" q+ D - }5 P7 ^ ?! I/ B9 P) [% _0 H
- Serial.println("[HTTP] GET...");
; M) z, a ?+ ]4 m8 B3 x9 ` - int httpCode = http.GET();
7 A! ]& w4 u! }5 |& t - if (httpCode > 0) {
P6 k8 C/ |/ I E8 I8 {! s, t - Serial.printf("[HTTP] code: %d\n", httpCode);
- O5 q) N9 ]6 ^# m3 ] - if (httpCode == HTTP_CODE_OK) {) ^( F4 S- R' U4 x n/ @9 B+ J' N" c
- String payload = http.getString();! h2 f, N0 F7 Z: z
- Serial.println(payload);) e& D; e6 W4 j" q8 s% O O, [
- Serial.print("\r\n");$ P6 x. \8 a1 o g5 F5 z3 J1 {
- return payload;
- W/ d2 J% \! H2 `# C# x - }# ?0 l8 ?% m" |( S9 o
- } else {
9 P$ Y* P: J4 V$ T- e# k - Serial.printf("[HTTP] GET... failed, error: %s\n",, l9 O( g7 ?' c$ b
- http.errorToString(httpCode).c_str());* D$ H% m; N1 |) ~. H" x% C/ C g
- }. }3 R& r( }/ L& q" @- @1 g4 q
- http.end();* O4 }5 p6 ^. O
- return "";& Z, D6 F1 A+ m# c0 c: B% P
- }
# [2 T8 W' H! s! L& ~ - }$ B# f% D" ^$ }$ z
- void mainAction() { C7 _( P7 T9 s, z4 V) d
- // 发送请求, q7 M1 m. ^$ f! ?' r
- doGet("http://google.cn");
0 Q( y- W* T; W0 v# {; w - }- E7 B2 B# |) U! }9 o" L. P* W/ v
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