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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)" }. C1 X! s9 O0 k8 B9 i- X
- #include <ESP8266HTTPClient.h>
, q3 ^2 N4 U6 B" u1 C. G! p& P - #include <ESP8266WiFi.h>% A3 {6 v* u7 o+ L- i
- #include <ESP8266WiFiMulti.h>) g$ Z/ A: s9 H# D- _4 A3 D2 k
- #include <ESP8266WebServer.h>* p8 n: p( B. C4 N$ W- Q
- #include <arduino.h>! |- r9 f6 Z, T# C/ Q# c
- ESP8266WiFiMulti WiFiMulti;
, j1 p6 i" W) I0 ?0 v+ g) \ - ESP8266WebServer server(80);
4 S$ o3 M8 z/ @" v - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
# K y$ e3 U0 I - ADC_MODE(ADC_VCC);
' o" \1 B, g0 W B1 H - void setup() {+ ?6 L# Q; p/ N7 M# a: u
- Serial.begin(115200);. r7 v, U3 g& l6 J+ v' p Y& P1 J
- Serial.print("\r\n\n");
% p& ? |$ n: W. ^2 j* v - pinMode(2,OUTPUT);# k/ r5 V( l4 A. |2 Y' f5 z
- // WIFI# J3 i5 L2 Y) ~ g
- WiFi.mode(WIFI_STA);
' c9 J1 E( z1 k- Z* Y! S& [4 X - WiFi.hostname("Sparkle");, t Q/ _0 h/ n) v/ }1 w( t
- WiFiMulti.addAP("wifi ssid", "wifi password");& o1 ~2 o: E& n# ?
- int tryNum = 15;
- f; U9 A3 g* u6 C9 [* F2 ~- J - Serial.print("Connect WiFi");
9 n7 g4 ^/ E/ T: @; k# @ - while (WiFiMulti.run() != WL_CONNECTED) {* U) L) r( @9 m7 h+ p
- digitalWrite(2,0);1 V7 i# h, | F7 X2 V
- delay(200);
5 V& j$ {0 Y% X/ I - digitalWrite(2,1);
6 C# K% t/ k: P) C* y - delay(300);
# ]. y2 ]+ t7 S: A* C! N7 m - Serial.print(".");- y8 C v) T4 k7 _0 ~
- tryNum--;
6 j4 _3 ^) z) p6 g3 ~- Y - if (tryNum == 0) {( b U. v& q7 I5 m
- // 1min' N& \2 p' \0 ^. ^. M9 E- p
- // ESP.deepSleep(60e6);
7 t2 q& `9 R* {$ z: q% L) M: k2 A+ Q4 n - ESP.deepSleep(0);. K+ c5 s% A$ K" ^" `+ P9 t7 A5 m
- }
, {9 L# {2 g, b" @6 q - }" o" Z4 L) b4 j6 d+ y9 b9 r2 |$ o
- Serial.print("\r\n");( x* H0 j: }- ?1 q: y5 O7 [$ U
- digitalWrite(2,1);8 e) L$ ~1 A! t: W7 M' c. r
- Serial.print("IP address : ");
! G1 Q7 [1 \2 ^+ d' i2 X" m, Q n - Serial.println(WiFi.localIP());' K7 h+ f/ q0 G" n( Z& q
- server.on("/", HTTP_GET, [](){
" D2 f1 j: y$ ~2 J r1 U' g - server.sendHeader("Connection", "close");
# S3 d9 f1 N5 H) b( P - server.send(200, "text/html", serverIndex);
$ D- y$ G s4 N2 |/ T - });
5 k. g" U1 c' d) A0 A - server.on("/update", HTTP_POST, [](){
* m9 @- c4 W( \- X. V; R% j* d8 _ - server.sendHeader("Connection", "close");
5 ~3 W. V0 W' T4 r0 @% g0 z8 Q - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");, k6 G4 I9 U! G6 ]
- ESP.restart();0 A/ {, T8 ]+ [+ G
- },[](){: k" ^) k& U8 L
- HTTPUpload& upload = server.upload();* O( p1 ]) G0 x) U4 M- g
- if(upload.status == UPLOAD_FILE_START){
9 k# g5 Z' i9 A$ W% E' r - Serial.setDebugOutput(true);
( j3 y! Q( b! b2 m - Serial.printf("Update: %s\n", upload.filename.c_str());
" H+ v2 V8 F) ?; q/ J - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! k( S- f" G9 J5 ~1 Z# ~0 U - if(!Update.begin(maxSketchSpace)){
, D( w' K+ P& ~" K6 h8 l - Update.printError(Serial);
) X9 p4 x( c& q - }
' w. S; I: R0 A) m" n8 Q - } else if(upload.status == UPLOAD_FILE_WRITE){
) n1 D Z8 W* M0 P) g - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' x1 `' |( j- A7 Q. @; h - Update.printError(Serial);* N1 m0 F0 h5 A/ u: a
- }0 F$ i- c- _, |8 W' t5 Z+ N0 @5 {* {0 c
- } else if(upload.status == UPLOAD_FILE_END){5 r+ b7 R- T) k7 E
- if(Update.end(true)){: ?$ H0 s' P v* _
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
/ h- k# F: |0 u* s% ^4 Y+ O - } else {; j; p$ a9 p8 L# k( ^
- Update.printError(Serial);
G( |9 W- f" |6 c - }' J9 \1 r2 ]: h3 o* N5 Z
- Serial.setDebugOutput(false);) j: D4 T, m- X5 Z3 x/ B }2 O0 M( }
- }
, f/ F9 R4 \; {2 V8 ~ - yield();
5 z. C* {% ?# q8 p - });
, k7 S3 C2 m' r& d7 F4 u -
" [ A# l/ k, E( h0 N! y - digitalWrite(2,0);/ N; Y" D4 M" G, S- A
- mainAction();
, L! T6 ?. Q/ q1 p# j - if (digitalRead(0)){5 o) Y5 j3 E3 c6 A, Z" ^8 G
- ESP.deepSleep(0);
3 s( m) l' _( t* _8 Q - } else {
" j$ Q) P; q4 K. ^0 P' `0 S - server.begin();, x* U+ e. L: A& Z
- } Y% r# u: A A
- } D/ D7 A) V3 L
- void loop() {
: u4 {2 g! R Q4 M. i, v - server.handleClient();. F8 I v1 W) \* f7 `
- delay(1);
! ~) u- w: T3 j! D - }
* _3 S: J. f! I0 g" C - String doGet(String url){
8 ]8 R9 W! O/ s. { - if ((WiFiMulti.run() == WL_CONNECTED)) {
/ K y5 F3 g) F i U: x - HTTPClient http;9 ~/ n$ f' A. L4 E5 \7 ]
- Serial.println("[HTTP] begin...");
/ G5 y- x5 r0 G( J6 M - if (url.startsWith("https")) {8 w; B# Y5 J7 [) {
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");1 f, L. O4 o% o z4 W0 u
- } else {
' N+ ?" L4 V9 \* @' Z - http.begin(url);
; X! l2 K# s4 N/ I6 m: t5 a - }4 b. y, ~) G* Q% u4 U" \
- Serial.println("[HTTP] GET...");% N# v2 g/ o. G6 \5 T$ ^+ Z' {
- int httpCode = http.GET();
) A1 X; f8 C& D& U5 K - if (httpCode > 0) { [5 o& H8 ]- A) K/ X
- Serial.printf("[HTTP] code: %d\n", httpCode);+ K# l3 Z/ D: ]3 M8 w4 W( ^
- if (httpCode == HTTP_CODE_OK) {9 r' X2 |6 v1 `. J' q1 H5 G9 r# Q& j
- String payload = http.getString();
' u" p/ p9 U- q' d - Serial.println(payload);# w$ D' Y7 N9 I6 H8 s8 d
- Serial.print("\r\n");7 h/ w W& b' O2 V
- return payload;, r" W( i& L) r4 b" w: V( |( K* l
- }
/ J3 @$ Q7 V0 d- b( Z1 P! O - } else {
8 f7 \, _* E' b3 C - Serial.printf("[HTTP] GET... failed, error: %s\n",
* T8 h- m! R" A- M - http.errorToString(httpCode).c_str());
5 g6 [7 g/ ~) j6 Z - }
& v# z, n9 q8 B9 ^. |8 F8 q- C - http.end();
* t! g" N% U6 F& K6 w8 B - return "";% o8 s8 p9 h) ~
- }
( [8 S- d- E5 m3 X" y% y) g8 Z+ L/ B - }1 Z& R- i; J! a2 ]1 o a
- void mainAction() {# [# [3 s* h6 j1 D4 E1 A& ?
- // 发送请求
) }5 F/ U3 }. a$ K - doGet("http://google.cn");
* r" X1 `( h) I) g, R% [ - }1 [4 G2 s- x; X+ J6 ?) c" z
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