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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)
( V4 n+ ^; |, S7 X8 m# m0 ]- #include <ESP8266HTTPClient.h>
1 ]: T. x$ r/ M7 d5 N ^; K - #include <ESP8266WiFi.h>1 w: i( ~5 ?; E. M/ q
- #include <ESP8266WiFiMulti.h># z ~0 Y U. e) |
- #include <ESP8266WebServer.h>$ Y" d' e+ W9 K7 U3 n8 W$ d
- #include <arduino.h>/ W! h$ b( u. w- k$ b5 x! `
- ESP8266WiFiMulti WiFiMulti;
& ]5 Z) @" c: d" T# Y X4 q4 H - ESP8266WebServer server(80);3 e- e' t) f* {1 e5 G
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
2 u& J( R& C Z. t7 g% Q0 q" K - ADC_MODE(ADC_VCC);: Y8 X, c: e: P& J0 X7 g3 y
- void setup() {
- o( {9 t4 ?; [/ d& }# j } Z7 S - Serial.begin(115200);
4 ~: M7 e( A+ h# W! b - Serial.print("\r\n\n");3 z, @6 o8 m. m7 x$ g
- pinMode(2,OUTPUT);0 K R* u8 X9 D1 ]& u
- // WIFI. ]% k' M8 d8 f- P; \
- WiFi.mode(WIFI_STA);. E% a/ ] k8 u4 c( h
- WiFi.hostname("Sparkle");
. s! ~( N) m& `1 d9 `0 T - WiFiMulti.addAP("wifi ssid", "wifi password");( d _. ]3 b% c+ z- y
- int tryNum = 15; \, U& R2 f- S% p0 ~, V; Z
- Serial.print("Connect WiFi");, c7 |! q" r- l3 J# E! ^+ ]
- while (WiFiMulti.run() != WL_CONNECTED) {0 ~7 X/ I5 I+ Y3 k+ E2 m% ]* p
- digitalWrite(2,0);
3 [# u3 F2 W2 U' p) y _; R - delay(200);
$ Q. O3 S4 {0 I) T2 k. { - digitalWrite(2,1);
5 N4 Q7 \: |! R: I% l9 ?5 ] - delay(300);
r, B M6 x* g1 _! _ - Serial.print(".");
7 J% q0 E6 G, A - tryNum--;
4 m0 t& H0 F7 @2 E+ b# a" `" Y" O7 E - if (tryNum == 0) {
; P+ Z1 \" J8 \0 H p0 N - // 1min7 E+ y" R6 a8 b% g$ _; l- ?8 F# x
- // ESP.deepSleep(60e6);# @. I; A0 m: g, |6 P4 O: n5 `
- ESP.deepSleep(0);
4 G' l6 y d8 V* b - }
/ m" [9 m' u6 @) D' h# d - }
. W: S+ r( C+ x1 M" I5 h' c9 B - Serial.print("\r\n");
" @6 ] w2 [, S% W' V - digitalWrite(2,1);9 m- G8 R |6 E% P9 a. m* T
- Serial.print("IP address : ");% c3 U8 o S0 F, k, s: }" S
- Serial.println(WiFi.localIP());
; n. f6 o V, A9 j: O6 | - server.on("/", HTTP_GET, [](){
' m/ E$ f$ x# a, t5 |6 I - server.sendHeader("Connection", "close");, p9 C3 N) e- m3 ^1 d4 z
- server.send(200, "text/html", serverIndex);- z9 W) [; G2 |
- });
4 |0 K! ?5 D: k( x" K - server.on("/update", HTTP_POST, [](){, \" A3 P* Z$ A+ [8 U( x
- server.sendHeader("Connection", "close");
; l2 j/ r4 Z4 B - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
# r" z* _ ~: f) v - ESP.restart();
+ E( G, m4 Z+ m# p" K( V - },[](){
* a5 Q+ T8 {- t - HTTPUpload& upload = server.upload();
, z' \8 d0 m: e/ V. w3 }1 I: o% S - if(upload.status == UPLOAD_FILE_START){
& e! f7 Y3 |- r$ C* W5 G - Serial.setDebugOutput(true);! T6 e* ^$ g n1 S7 c4 k1 E3 ~
- Serial.printf("Update: %s\n", upload.filename.c_str());+ C) _. U- W9 o8 @* p
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
% ?# S0 J! a6 u+ u0 ] - if(!Update.begin(maxSketchSpace)){
. E8 r" n+ \) T5 s* M3 t: w, @ - Update.printError(Serial);
0 A+ _0 ^6 A& S: x u - }
( S/ F9 H4 z1 [4 a6 Y3 v% X8 q( i - } else if(upload.status == UPLOAD_FILE_WRITE){
! _- U/ ]* w2 A( d - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){# F6 |9 M) z0 z
- Update.printError(Serial);
& L' |# T0 z/ D) R( f - }" |. A/ @' x) R; _7 h' ]
- } else if(upload.status == UPLOAD_FILE_END){# f& a6 L1 n, R+ i6 O# ^
- if(Update.end(true)){3 z+ d3 \; Q" G) Y$ f0 H5 L$ @0 W% C* p& E
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);; F/ D" j: d5 Y) |; S# ^
- } else {
! e- p6 p ~' r4 |4 f7 W2 W9 Q( M - Update.printError(Serial);
% }- C6 \2 d: R" f! W4 E! j( j2 q% l - }
! W+ V+ G; S. n& H. D - Serial.setDebugOutput(false);. R- j, ]6 D' l2 B
- }
- `* f" |& R% o* f4 P+ r& y2 t - yield();
* n# m b0 Y1 Z$ C) R1 c - });
I$ N# K& y$ \* a- |0 I* @ - 6 z6 P) \, h! r7 q4 z4 x' x5 K
- digitalWrite(2,0);
0 e1 \& j" T# N2 ^- g* t: g - mainAction();7 U0 p, T- W6 k& d# Q: v2 C' j
- if (digitalRead(0)){" ~. p" Q6 e6 o6 A
- ESP.deepSleep(0);
( L+ \! V3 i. N W& Z - } else {* q3 ?; s" Y# v1 J2 S3 `9 y
- server.begin();/ q! g$ g7 D S3 d$ r6 s0 r
- }$ T7 g! w N& w5 q. O. N: {) G
- }$ [2 a4 e- D) ?% g$ q9 i* t/ b
- void loop() {! h; Z9 ` O" V- \( A4 i* |
- server.handleClient();
: C- B$ ?) M* u$ k$ X - delay(1);9 R& q! c) G7 d% x; Q
- }! B' p8 w( J2 |9 b
- String doGet(String url){' c; Z6 s/ I2 y$ {, _
- if ((WiFiMulti.run() == WL_CONNECTED)) {2 N/ v& A& v, N/ C& D. ?
- HTTPClient http;) Q, B' {% v3 n( ]+ O8 |% S
- Serial.println("[HTTP] begin...");
/ m Y" c. K) r& P9 Q# ~* t5 D - if (url.startsWith("https")) {
& t; t/ q% @& z$ O& R! C. H* u - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
! g! a3 h/ w) U5 b - } else {
4 t/ A: H/ |% Z g; _/ w - http.begin(url);; `6 P: m B- D8 A$ j! J
- }
: M; T; K! c" @ - Serial.println("[HTTP] GET...");
. v% X" z% r, a2 w - int httpCode = http.GET();3 {8 A: ~2 T9 I: M
- if (httpCode > 0) {
# b* {% U; C; e: U3 i, x - Serial.printf("[HTTP] code: %d\n", httpCode);
! R, p, @2 T5 O% G& ? - if (httpCode == HTTP_CODE_OK) {3 F4 p9 _+ m+ m$ M0 t6 E }
- String payload = http.getString();" k4 W+ F' C: A" e* A, u
- Serial.println(payload);
: }: {* G9 d. h3 B - Serial.print("\r\n");& x5 A# E- z7 R- P6 H% V
- return payload;
4 N. E% S3 R4 G) a - }
9 R2 d+ J5 C. j+ H( s7 P& Z6 B - } else {
" y6 v5 c' @+ ? - Serial.printf("[HTTP] GET... failed, error: %s\n",
x8 Y- M6 r% K& f - http.errorToString(httpCode).c_str());
0 X; n; [. z5 l5 G6 O' M) }/ s0 J - }
, y; x) G" Y/ Y- Y. z) c - http.end();
; ], d( s9 Y) Z$ _* f/ B/ M - return "";
' E3 l: L/ B5 ^& V8 d - }7 h( C9 j- K5 }! N
- }
, j, b: d6 \2 b V/ L, h# {8 E) V' ^+ j( u - void mainAction() {! A: G7 H) B, D. `. z% k! F
- // 发送请求0 G# i. r) t" I5 h3 e
- doGet("http://google.cn");
' L& a8 ^! |8 @; {/ H - }7 q7 N$ a: W. ~: |' Y, ~4 A
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