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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)! m' F r5 }7 [" M! X
- #include <ESP8266HTTPClient.h>
' S' |$ T/ h* I) J. k, ~( l - #include <ESP8266WiFi.h>
& f2 i ~) k0 T - #include <ESP8266WiFiMulti.h>
& ~2 C2 `" _2 s% Z9 y' A - #include <ESP8266WebServer.h>
: J, `5 ^) ]/ U4 C! U6 k1 F - #include <arduino.h>" o* B. Z- a* D+ | Z
- ESP8266WiFiMulti WiFiMulti;" Z* k$ g2 \' v8 Z2 E9 ^0 h0 j. E9 d
- ESP8266WebServer server(80);0 N, z8 n+ Q6 y. _; |; J/ S' |7 [. P
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
. p6 f: O: `6 k7 ]2 O3 Z! `9 [ - ADC_MODE(ADC_VCC);# i" @2 V% V( Q r
- void setup() {
* [4 X( h+ U/ T3 ]& R9 r - Serial.begin(115200);- h3 f5 x5 w1 x! y
- Serial.print("\r\n\n");3 t& _2 }1 t7 j1 |1 T0 o# j7 s
- pinMode(2,OUTPUT);
/ q/ a2 J$ |- l0 a. t! r - // WIFI
5 _: n2 j: c A6 { - WiFi.mode(WIFI_STA);
5 L4 }3 s1 @/ h" {; x - WiFi.hostname("Sparkle");
! [9 w; S/ V$ \) d2 ?$ c - WiFiMulti.addAP("wifi ssid", "wifi password");
- b" _1 I6 \- e5 N# d - int tryNum = 15;4 {5 P0 ^, }3 _! `, }
- Serial.print("Connect WiFi");4 H8 ]" F! i6 p4 `( J7 N l0 t( R
- while (WiFiMulti.run() != WL_CONNECTED) {3 \8 D+ ?) |3 }5 M' R: p
- digitalWrite(2,0);
- [% w5 J" S& k# G' X! k - delay(200);
1 ^6 E q0 t8 H+ [% [4 K% i - digitalWrite(2,1);) p( M* }; H) [7 |/ s; b
- delay(300);
9 z% I2 {6 d ?; h - Serial.print(".");
' n9 ?( {' C, m9 }/ y% Z+ g - tryNum--;
7 Q" o) m \9 i8 u! J/ {- o D4 @ - if (tryNum == 0) {$ N- |: I0 g9 g9 Y
- // 1min" P2 W; I4 c i8 a
- // ESP.deepSleep(60e6);( j# @6 U9 ?2 u6 O2 Q
- ESP.deepSleep(0);
2 m! ~% x2 U* U5 c9 N7 y - }% y% z. ?! H+ q5 u; f
- } K6 X* N" _1 e/ S9 \" B# ]( W
- Serial.print("\r\n");
; D% Z% g7 r3 a; r' I- I) T' ?! m - digitalWrite(2,1);
9 `+ v2 v8 N9 ? - Serial.print("IP address : ");$ t% e9 p2 S% y- s0 O/ D' {0 X9 F
- Serial.println(WiFi.localIP());
3 I O: V3 }0 a: w7 ]1 E - server.on("/", HTTP_GET, [](){
8 m/ v9 C B k9 i6 K4 _/ [- { - server.sendHeader("Connection", "close");5 P2 g1 j( J- D* }( D
- server.send(200, "text/html", serverIndex);) x6 q$ C& C4 i
- });
4 o6 x. |2 C0 g" M% K" u - server.on("/update", HTTP_POST, [](){
. x4 L& W# K. o: F- z - server.sendHeader("Connection", "close");) I: J9 r6 C, E* y' U% b) K
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");7 K4 x( I1 V4 L0 o: |
- ESP.restart();
$ S" k7 `$ E8 O6 k/ E - },[](){( K0 O. }) E* G! m
- HTTPUpload& upload = server.upload();" j* y. S3 [- T4 L3 i8 O& h. i
- if(upload.status == UPLOAD_FILE_START){
7 N$ e Q/ c( D5 I- {! M - Serial.setDebugOutput(true);" p1 d6 @' j( n; N* O6 x$ A0 \
- Serial.printf("Update: %s\n", upload.filename.c_str());0 Q0 r5 J/ j2 O: L4 o) w* ~- ~' `6 w
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;: L! g( G7 J& [8 n: e6 N/ ^9 i8 `2 u& b
- if(!Update.begin(maxSketchSpace)){
/ c M; n2 \/ N4 Y' U - Update.printError(Serial);
1 C$ x& O: m0 m1 S. ~# \ - }
& [: N: j% q; m# {) b4 c - } else if(upload.status == UPLOAD_FILE_WRITE){. e, r( B$ m1 o% p% N( Q& Z
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
5 b5 j, n2 K! Q$ }, \ - Update.printError(Serial);
% q& w9 {5 o$ w6 { u$ z2 I - }
) d9 A. N$ b. R; } - } else if(upload.status == UPLOAD_FILE_END){
. D6 i8 w8 {# H d5 D4 a' T! V- { - if(Update.end(true)){1 A+ U) ?' T/ q# K; G
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 k6 {: P }! w9 x) Y
- } else {1 d' J- u2 W: v# q; D
- Update.printError(Serial);
$ m. K: c$ ]4 d g) I& T - }" i& t2 W8 P' N" W1 h
- Serial.setDebugOutput(false);
& }. k; e. w: p2 `4 m* T6 c, v - }
]5 e4 N: e& `+ A - yield();
) E; g+ [% Z7 ? - });: J4 c" i5 _( @+ D
- . i4 v: l: u% Q8 i4 E
- digitalWrite(2,0);7 R3 G: V* O+ `% q: c
- mainAction();
5 K: L$ [' F9 F+ \1 x - if (digitalRead(0)){
/ ]# p6 H% C4 i: d& Z ` - ESP.deepSleep(0);3 e1 X+ r% s) [; n3 T
- } else {7 H9 {- Y8 J2 i" K; P; }9 E9 V
- server.begin();
) B; e: Q- o& h8 v8 u9 d - }% F% |) }9 y0 E5 m( l+ o
- }
2 x7 b; Q4 [5 r8 W" e8 k0 F" _ - void loop() {
7 ^$ o) H }/ c L( V, {/ i4 J - server.handleClient();& q8 N% O/ u! i( S( R* q/ ?
- delay(1);3 f8 Z6 }7 W6 \+ a* m
- }
9 \- M# u) O. T* H' v- E: A1 c - String doGet(String url){* n Z8 K/ W: L3 ]3 I
- if ((WiFiMulti.run() == WL_CONNECTED)) {* f4 ^5 u# i" R: A5 c$ D e* G
- HTTPClient http;
+ x6 \9 g4 B6 q: o$ Z6 a - Serial.println("[HTTP] begin...");
. _. z+ m7 J4 t( s. k$ |/ E3 m - if (url.startsWith("https")) {
* W, A# ^, E# z3 | - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
- V" F4 {3 e$ W) { - } else {
( x$ j! C2 I8 v) j: e# ^8 ^ - http.begin(url);7 |: Z- r6 A1 M( p2 O `5 |
- }: L! ~+ w3 u! B& E* k' I! X
- Serial.println("[HTTP] GET...");6 W* j4 t. F& @; X% Z+ |- J) E$ a
- int httpCode = http.GET();( ]" L- \$ d; c0 K+ a, T2 X
- if (httpCode > 0) {
& {: O6 w8 u, L" B$ F6 g( T9 c# e - Serial.printf("[HTTP] code: %d\n", httpCode);7 h& o0 c7 {, A1 z
- if (httpCode == HTTP_CODE_OK) {
* A. C/ b) p! l6 b - String payload = http.getString();
$ f: t5 ]5 T& b+ X - Serial.println(payload);
* h1 R [" e2 C - Serial.print("\r\n");
7 Q7 Y: I7 E0 U/ }2 S+ [ e4 H - return payload;, `/ e% H, P. K; O( k$ X' ?* y7 d+ K
- }# ~: K$ P2 l3 P; H5 A3 V
- } else {1 x* ?. w2 B* w5 a9 F/ M& v4 E
- Serial.printf("[HTTP] GET... failed, error: %s\n",% q4 b" \/ }3 P6 `9 }
- http.errorToString(httpCode).c_str());3 \0 Q* I+ \, S/ J0 o8 |3 m
- }% }3 |8 {7 z$ t( s+ F# ^
- http.end();
J1 d) a5 q3 q) E4 F - return "";: L8 U7 ^0 I' \: h
- }2 Y6 x- }6 @1 a
- }
; F: W' a+ G, o0 ]6 a" N2 f - void mainAction() {
& q" A( i% H) i- p6 K) F2 y9 P - // 发送请求( ^" V: j3 }1 p: w) C9 b% W
- doGet("http://google.cn");% J1 r3 ^* N$ v$ _1 I& k9 _$ O; O
- }' {! w4 O' Q" O& @7 R0 w) q
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