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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)( u; g* g+ m8 z# D% e, d# t+ U
- #include <ESP8266HTTPClient.h>
6 S, k! e$ N! h4 I' D3 ^1 N - #include <ESP8266WiFi.h>: l$ ^9 |; [% \/ e- [+ L& K% U
- #include <ESP8266WiFiMulti.h>$ S. D r1 `& G
- #include <ESP8266WebServer.h>; U8 {* k3 o+ M% y+ V3 {# c
- #include <arduino.h>/ b" Z+ l6 y. [ s# j6 R% a
- ESP8266WiFiMulti WiFiMulti;
7 ^( S {' O) x, |* r0 M - ESP8266WebServer server(80);
4 A. O4 w, `# C! ~: u - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
# s+ S% N- m3 p% v! v - ADC_MODE(ADC_VCC);
" x' o4 q: g" x s; o - void setup() {8 d: _1 O1 E' e; Z) T1 A
- Serial.begin(115200);
4 t; p/ b- X! ^ [8 o( Y8 N, r - Serial.print("\r\n\n");! v( n; M; s& h( V/ S
- pinMode(2,OUTPUT);$ e. Y! J% E, P/ Q# k
- // WIFI- B, W7 D0 _4 ^, e& j' T8 v0 f
- WiFi.mode(WIFI_STA);
2 K; `. M; I6 P6 l - WiFi.hostname("Sparkle");* L! e5 Y2 R, i! |
- WiFiMulti.addAP("wifi ssid", "wifi password");
+ e' g4 k# j- u9 G" `+ j; F - int tryNum = 15;
' r3 ^9 d$ w* d+ _ - Serial.print("Connect WiFi");6 P9 |- c, S7 Q- R9 h! I8 D
- while (WiFiMulti.run() != WL_CONNECTED) { _* l2 O, G* O+ H& ~
- digitalWrite(2,0);
8 ^8 u; |( A+ m3 n0 N1 k - delay(200);
# ?4 I. p; m T' Y0 |: q2 u - digitalWrite(2,1);0 q: X' G, |4 L# H' [1 P: B
- delay(300);
" w g* l" O `" |& J1 ^( I9 c - Serial.print(".");* B4 @1 R3 c; ^8 H/ |: d" S
- tryNum--;& F, a! t% F9 ]; `( B3 S
- if (tryNum == 0) {
( w! r7 ^, K: `, o( p) J - // 1min
9 e. s! G6 S( H# m" g: U W! W+ h9 Z - // ESP.deepSleep(60e6);
; a3 ?/ V& v! H- J% L* T+ _ - ESP.deepSleep(0);
/ ^: D- ] ^. v - }# o8 u4 g6 T( i B' x( i Y
- }$ N5 s0 B9 r0 [" W% [- p
- Serial.print("\r\n");$ v7 ~; Q( {. k5 F6 I1 q9 l
- digitalWrite(2,1);9 G4 R- o& j; U$ `4 X4 U) q
- Serial.print("IP address : ");
6 s; e# c* h8 h( U, o. W# z& b% `, ~ - Serial.println(WiFi.localIP());* S1 p- b7 F% i$ K* z2 ]" E2 Q
- server.on("/", HTTP_GET, [](){! f/ c; O9 q9 X1 \5 }
- server.sendHeader("Connection", "close");9 j; u! c0 K. k/ R8 Z
- server.send(200, "text/html", serverIndex);
; k8 S4 }4 W& Q: ] - });# s% @& z% ^9 {5 U, Q6 l9 r7 L2 ^
- server.on("/update", HTTP_POST, [](){
1 @- @* D1 x; b - server.sendHeader("Connection", "close");
. u9 O; I$ v: E) e( s, N6 C - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
9 M& v4 c, U7 ?1 ^! E - ESP.restart();) r2 S+ O9 i5 d0 U
- },[](){
8 K$ f- `4 X- ~+ Q- T a8 R! n- t7 K - HTTPUpload& upload = server.upload();
4 [* X6 N( I, p; N - if(upload.status == UPLOAD_FILE_START){
) c) B0 x) L0 {8 C+ _ ~ - Serial.setDebugOutput(true);* G7 A$ t2 [' k! K6 w
- Serial.printf("Update: %s\n", upload.filename.c_str());& P; O* N9 Z9 V1 W, r! w6 q
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;2 W+ I* T6 A* r0 N& v) V- E
- if(!Update.begin(maxSketchSpace)){6 w2 D4 S/ `7 S! t' m: c
- Update.printError(Serial);
3 B3 P! B, S5 ^3 q$ D t3 ] - }
, ]8 D# f9 T: { - } else if(upload.status == UPLOAD_FILE_WRITE){
- g% y, V) `9 P% q9 ~ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
3 o% t- r( W0 b2 ~% T# N. h1 B9 [ - Update.printError(Serial);
- v& p, x( B3 {: ?+ }0 T- ~0 J - }
9 v6 c. ^# q4 n - } else if(upload.status == UPLOAD_FILE_END){7 j9 y6 e8 `+ ^8 s7 p2 h
- if(Update.end(true)){% {; v3 Q! w) W0 |0 Z
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
9 r7 f4 J! {* V+ v - } else {
, O; C1 {' y5 b+ N9 D; R5 D; O - Update.printError(Serial);
0 O* W8 ~4 ]. T {- R - }
- ~9 d3 s6 Y/ y( h! M2 s - Serial.setDebugOutput(false);
+ p; Z2 L h: w) ~ B! R0 G2 K - }" j8 @% H% s. [
- yield();; r* j% p- u, _
- });
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- digitalWrite(2,0);
) J/ o7 I( M5 l, F! p0 S4 a: g4 v5 r - mainAction();
6 v) J$ Z& U8 P - if (digitalRead(0)){
+ F" p1 R: h! g5 |& \8 Z! c) C - ESP.deepSleep(0);/ T3 r6 L( ]3 @# n! F
- } else {+ C, X9 k* C( w8 |
- server.begin();
* C4 y" Y2 \, d0 d - }1 P4 x( F& t- \ ?& z
- }
0 l5 p# K6 W9 M0 w - void loop() {
- `& I0 a5 r& Y( v" s) n - server.handleClient();' z5 ?8 h0 p9 q
- delay(1);$ B2 f$ [- S( D. H
- }2 L5 w7 @" \3 o! ?$ d. W
- String doGet(String url){) v9 i& g& m8 n4 T3 C) i$ }$ Q9 Z W5 v
- if ((WiFiMulti.run() == WL_CONNECTED)) {0 y$ ?) u D. v* q4 Q( c
- HTTPClient http;
0 V A: [! Q3 e5 W* H, w" [ - Serial.println("[HTTP] begin...");& p( ~. y2 y* _7 r/ q
- if (url.startsWith("https")) { c4 s' j8 R7 f+ \2 Y+ H
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
8 w" S8 }0 V5 _7 G2 n9 S$ U - } else {
" c1 c0 ?% V$ r; a - http.begin(url);& T, P0 ~2 {; I& |
- }/ e& q# U: R( N2 A, V
- Serial.println("[HTTP] GET...");
9 X( T) } R, R, L# E% ? - int httpCode = http.GET();
2 @0 P' R4 k+ |) L( O. ] - if (httpCode > 0) {/ U$ {1 G6 V% X
- Serial.printf("[HTTP] code: %d\n", httpCode);
1 O+ G# \0 U: O( K' p - if (httpCode == HTTP_CODE_OK) {$ w( Y$ u0 M2 D* {5 R
- String payload = http.getString();
- }1 M8 n3 d0 v* {- M7 S - Serial.println(payload);
3 ~2 M3 z: X8 Q+ P( j8 Z - Serial.print("\r\n");9 J7 l4 p7 ~* V
- return payload;, [5 N& }( j* a( r
- }
4 m# r2 X: b1 l# Q9 ^ - } else {
3 M; Q8 [& y6 M0 p _" L - Serial.printf("[HTTP] GET... failed, error: %s\n",
8 |2 [# r7 @; P: N7 d' `( ?4 H - http.errorToString(httpCode).c_str());
8 k; W5 l/ ^2 _: b - }
1 C6 }/ S: t9 K+ O/ S - http.end();
+ L0 J; p1 x: Z' f; l6 [ - return "";& @0 a2 K" J& C& Z: L6 _
- }; H7 b0 @6 s0 v" @( x: G4 x
- }8 o- O0 F" I2 d. E
- void mainAction() {; e* x/ b, B. O3 K7 C( x
- // 发送请求# A+ m* P% l6 `; D
- doGet("http://google.cn");
* N7 s1 A' i, V8 `" U8 D - }
$ ]' y5 m5 \$ k2 r, j1 m" G
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