|
|
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)8 L0 [' r5 m0 k* J0 v2 y* R
- #include <ESP8266HTTPClient.h>$ j: E! S G& g) N; _; {1 p
- #include <ESP8266WiFi.h>
+ D/ x4 m' L6 c& i6 d% x - #include <ESP8266WiFiMulti.h>
: t7 b5 ^, E5 p2 s( t/ I4 b! _ - #include <ESP8266WebServer.h>
* f' e0 ~ B7 R& n3 c5 \ - #include <arduino.h>
0 x- x+ Q* o& N2 E - ESP8266WiFiMulti WiFiMulti;9 d5 J$ ~+ H% |8 c1 [- D( k
- ESP8266WebServer server(80);5 ?/ L8 C X% u6 N
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";$ S' @3 ~* C" [
- ADC_MODE(ADC_VCC);
0 {+ E+ D/ W3 j! Z( C& R - void setup() {8 n( H" v1 u: d2 k- c4 X; U
- Serial.begin(115200);1 v. l* O! y1 T5 } m
- Serial.print("\r\n\n");
$ X+ G7 ?0 }( z - pinMode(2,OUTPUT);
$ I* m& S9 p& V/ l1 j2 U! v* a* B - // WIFI' l' S) s% \: X% \* ^- E
- WiFi.mode(WIFI_STA);: _( F$ l- \6 _- H+ G: ?7 y
- WiFi.hostname("Sparkle");
3 z8 c9 S8 A" V) m) }/ V - WiFiMulti.addAP("wifi ssid", "wifi password");
: o5 S4 @3 I/ e3 \ - int tryNum = 15;
W! _# ~, w- ? ]% X7 r& n, |, `- Y - Serial.print("Connect WiFi");" _0 |7 q j, K0 g
- while (WiFiMulti.run() != WL_CONNECTED) {$ T- s9 e8 v& R3 w
- digitalWrite(2,0);
/ S" K5 E, P+ W/ i - delay(200);' n; J( y1 z' G$ U. T' `
- digitalWrite(2,1);) k* N) U! y2 ~' i- A3 q ~
- delay(300);7 D8 [/ J- s6 n- W* w! Y) I
- Serial.print(".");1 v4 k& F8 k+ B
- tryNum--;2 X# @; I0 u5 l, q& w- n
- if (tryNum == 0) {
& S/ p: ^! f& i( n - // 1min) A/ `7 ~4 P9 [& N
- // ESP.deepSleep(60e6);
8 n$ \. P0 @: v6 u - ESP.deepSleep(0);
9 m* i }& f1 x! U4 r/ z - }- V6 J- P% t! l* ^* G: _8 Z
- }
# `8 e$ U9 {# m - Serial.print("\r\n");. ^8 \0 }" [4 U$ X
- digitalWrite(2,1);9 R2 _% w w: w8 c6 {1 I
- Serial.print("IP address : ");) Z6 \) x$ x; t9 `- X
- Serial.println(WiFi.localIP());9 b% p3 q" [2 ~( j9 x! m3 @
- server.on("/", HTTP_GET, [](){
+ b$ d) L) T# S6 S/ G - server.sendHeader("Connection", "close");6 h0 J, r I$ T1 J+ N0 B
- server.send(200, "text/html", serverIndex);
5 O+ c, k- m3 K7 T - });1 H& V6 T: N. m, q' m
- server.on("/update", HTTP_POST, [](){
2 D3 K7 v" {$ }2 c' c: q - server.sendHeader("Connection", "close");
" Q% a- e. g6 N - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
' ~ b# S: X/ C/ {# u! ~ v. d - ESP.restart();
) ]. f1 ~2 ]7 D2 N ]$ A7 M. W - },[](){' `' Y9 @0 f1 x6 ^) Y2 H
- HTTPUpload& upload = server.upload();. s" R- I+ m, e4 u+ F
- if(upload.status == UPLOAD_FILE_START){
, k% o% V7 i6 M" Q+ |# Z; f4 b - Serial.setDebugOutput(true);. ^5 n* s% m7 Y$ `) v( m5 f) A
- Serial.printf("Update: %s\n", upload.filename.c_str());
9 [% C s$ T/ k1 h: ?7 S. c - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
* r2 P P4 ~1 F0 |. W( R! U - if(!Update.begin(maxSketchSpace)){% R1 P0 S$ ?5 Z3 M3 I9 h
- Update.printError(Serial);
3 v2 w+ Y4 g2 |+ L4 Y - }
/ C# t1 J3 j& p) O" N( W - } else if(upload.status == UPLOAD_FILE_WRITE){
2 g" G5 H% t% S! J& H$ \' c2 V - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
3 V8 i# g8 ^6 W/ o! i* M - Update.printError(Serial);
4 g5 m: r3 c) o - }
2 ~ G. `6 t. a& ]" C - } else if(upload.status == UPLOAD_FILE_END){* p3 b K5 u: W4 D! R
- if(Update.end(true)){3 e: j5 g/ _( l, X9 Y& {4 ?$ I s; `
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
; i2 O9 M5 a2 d; f+ m) u% c - } else {
% L( w* r( ^5 r B7 O1 o1 o! v - Update.printError(Serial);
7 U. h d" V1 L - }
" R, c2 ?, Z$ N4 m: W% Q - Serial.setDebugOutput(false);
0 @+ A5 U% _- f+ `& v2 {/ D - }9 D3 @: B- G# n, c+ v
- yield();
6 J4 g% c# v) X: D: { - });
( x4 k8 {3 U( ]8 _ -
: U' N8 a* Q. y' J - digitalWrite(2,0);
; E" V, h5 Q( e( a6 m# | - mainAction();
- A# u' c- a5 w( L4 \ - if (digitalRead(0)){0 ~) l0 p! Y6 W
- ESP.deepSleep(0);9 ^) w: H% Y/ K9 S7 R
- } else {
, r" u: A- Q' _0 X6 Y" v - server.begin();
9 n7 H- R# M1 H1 G8 ]8 K# k# }* C - }5 Z* F0 H7 `+ e" h3 X. i
- }. c: X1 ~# ]/ S# m- F& s
- void loop() {
: a% v; ~* w$ K! N a - server.handleClient();
4 D: C& K1 _9 z+ H: n/ j3 O - delay(1);
2 q9 K G3 v. q, U* A - }
# Q( M1 r7 c) { F6 S3 D - String doGet(String url){
3 U. s+ w5 g: L5 l# i - if ((WiFiMulti.run() == WL_CONNECTED)) {1 F$ t: c" e, e9 y) X3 F U
- HTTPClient http;: A+ D2 E; Q7 H! {% B
- Serial.println("[HTTP] begin...");
1 V- K9 D1 Y1 v - if (url.startsWith("https")) {, }+ i+ v% i% q; h7 A5 X, E1 C! K3 L
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 _# {; V8 ?8 l; V - } else {" j/ |9 w( |9 [+ h. r @0 a
- http.begin(url);9 p$ y! D: x, P, w
- }* ~: {) ?( j/ o6 C8 L: `
- Serial.println("[HTTP] GET...");$ x2 R. d; }8 i4 I3 l
- int httpCode = http.GET(); Y9 v/ x+ Q' z- H, \: b$ U6 z
- if (httpCode > 0) {
6 G) n$ H8 W% S2 |6 x' f - Serial.printf("[HTTP] code: %d\n", httpCode);
7 n0 A6 y* Y- P; H2 N - if (httpCode == HTTP_CODE_OK) {" J5 a6 _9 b# I4 }( i
- String payload = http.getString();
7 m/ C- O, [' D! q. E5 s7 g( c - Serial.println(payload);
* N5 L3 v* w% h% I+ c - Serial.print("\r\n");
) L4 ? d( D3 \# P( k. l - return payload;% }" U* N) P! v$ R( y$ `9 p
- }
* R/ F" b1 ], o, D! } - } else {
* T/ O% B* {! \; n - Serial.printf("[HTTP] GET... failed, error: %s\n",
, D: P9 x: k* ~0 P" h; x - http.errorToString(httpCode).c_str());
9 ~: C F& b% u- A, m" r" O. }9 \ - }) G/ I- {9 q: _8 }8 r2 d$ i
- http.end();4 u$ C! M( r+ j+ }' d* V
- return "";: x- p% O) c$ T8 u& I* |) k
- }: P2 A0 X# Q* _4 ?
- }( V c8 u! R: ?/ c( L
- void mainAction() {
+ E/ s. R4 N, k: q' F - // 发送请求
" c1 I% R6 D* Z - doGet("http://google.cn");6 L3 k J, Q! @+ C" f. y# _ L
- }
8 N* ?- i1 x, G" v
复制代码 |
评分
-
查看全部评分
|